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Code Issues Projects Releases Wiki Activity
rector/docs/AllRectorsOverview.md
TomasVotruba c2b89700a3 [DeadCode] Add RemoveUnusedClassConstantRector
2020-02-23 22:07:19 +01:00

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All 461 Rectors Overview

Projects

Architecture

ConstructorInjectionToActionInjectionRector

 final class SomeController
 {
-    /**
-     * @var ProductRepository
-     */
-    private $productRepository;
-
-    public function __construct(ProductRepository $productRepository)
+    public function default(ProductRepository $productRepository)
     {
-        $this->productRepository = $productRepository;
-    }
-
-    public function default()
-    {
-        $products = $this->productRepository->fetchAll();
+        $products = $productRepository->fetchAll();
     }
 }

MoveRepositoryFromParentToConstructorRector

Turns parent EntityRepository class to constructor dependency

 namespace App\Repository;

+use App\Entity\Post;
 use Doctrine\ORM\EntityRepository;

-final class PostRepository extends EntityRepository
+final class PostRepository
 {
+    /**
+     * @var \Doctrine\ORM\EntityRepository
+     */
+    private $repository;
+    public function __construct(\Doctrine\ORM\EntityManager $entityManager)
+    {
+        $this->repository = $entityManager->getRepository(\App\Entity\Post::class);
+    }
 }

ReplaceParentRepositoryCallsByRepositoryPropertyRector

Handles method calls in child of Doctrine EntityRepository and moves them to "$this->repository" property.

 <?php

 use Doctrine\ORM\EntityRepository;

 class SomeRepository extends EntityRepository
 {
     public function someMethod()
     {
-        return $this->findAll();
+        return $this->repository->findAll();
     }
 }

ServiceLocatorToDIRector

Turns "$this->getRepository()" in Symfony Controller to constructor injection and private property access.

 class ProductController extends Controller
 {
+    /**
+     * @var ProductRepository
+     */
+    private $productRepository;
+
+    public function __construct(ProductRepository $productRepository)
+    {
+        $this->productRepository = $productRepository;
+    }
+
     public function someAction()
     {
         $entityManager = $this->getDoctrine()->getManager();
-        $entityManager->getRepository('SomethingBundle:Product')->findSomething(...);
+        $this->productRepository->findSomething(...);
     }
 }

Autodiscovery

MoveEntitiesToEntityDirectoryRector

Move entities to Entity namespace

-// file: app/Controller/Product.php
+// file: app/Entity/Product.php

-namespace App\Controller;
+namespace App\Entity;

 use Doctrine\ORM\Mapping as ORM;

 /**
  * @ORM\Entity
  */
 class Product
 {
 }

MoveInterfacesToContractNamespaceDirectoryRector

Move interface to "Contract" namespace

-// file: app/Exception/Rule.php
+// file: app/Contract/Rule.php

-namespace App\Exception;
+namespace App\Contract;

 interface Rule
 {
 }

MoveServicesBySuffixToDirectoryRector

Move classes by their suffix to their own group/directory

services:
    Rector\Autodiscovery\Rector\FileSystem\MoveServicesBySuffixToDirectoryRector:
        $groupNamesBySuffix:
            - Repository

↓

-// file: app/Entity/ProductRepository.php
+// file: app/Repository/ProductRepository.php

-namespace App/Entity;
+namespace App/Repository;

 class ProductRepository
 {
 }

MoveValueObjectsToValueObjectDirectoryRector

Move value object to ValueObject namespace/directory


CakePHP

AppUsesStaticCallToUseStatementRector

Change App::uses() to use imports

-App::uses('NotificationListener', 'Event');
+use Event\NotificationListener;

 CakeEventManager::instance()->attach(new NotificationListener());

ChangeSnakedFixtureNameToCamelRector

Changes $fixtues style from snake_case to CamelCase.

 class SomeTest
 {
     protected $fixtures = [
-        'app.posts',
-        'app.users',
-        'some_plugin.posts/special_posts',
+        'app.Posts',
+        'app.Users',
+        'some_plugin.Posts/SpeectialPosts',
     ];

ImplicitShortClassNameUseStatementRector

Collect implicit class names and add imports

 use App\Foo\Plugin;
+use Cake\TestSuite\Fixture\TestFixture;

 class LocationsFixture extends TestFixture implements Plugin
 {
 }

ModalToGetSetRector

Changes combined set/get value() to specific getValue() or setValue(x).

 $object = new InstanceConfigTrait;

-$config = $object->config();
-$config = $object->config('key');
+$config = $object->getConfig();
+$config = $object->getConfig('key');

-$object->config('key', 'value');
-$object->config(['key' => 'value']);
+$object->setConfig('key', 'value');
+$object->setConfig(['key' => 'value']);

RenameMethodCallBasedOnParameterRector

Changes method calls based on matching the first parameter value.

services:
    Rector\CakePHP\Rector\MethodCall\RenameMethodCallBasedOnParameterRector:
        $methodNamesByTypes:
            getParam:
                match_parameter: paging
                replace_with: getAttribute
            withParam:
                match_parameter: paging
                replace_with: withAttribute

↓

 $object = new ServerRequest();

-$config = $object->getParam('paging');
-$object = $object->withParam('paging', ['a value']);
+$config = $object->getAttribute('paging');
+$object = $object->withAttribute('paging', ['a value']);

CakePHPToSymfony

CakePHPBeforeFilterToRequestEventSubscriberRector

Migrate CakePHP beforeFilter() method from controller to Event Subscriber before request

 class SuperadminController extends \AppController
 {
-    public function beforeFilter()
-    {
-    	// something
-    }
 }

CakePHPControllerActionToSymfonyControllerActionRector

Migrate CakePHP 2.4 Controller action to Symfony 5

+use Symfony\Component\HttpFoundation\Response;
+
 class HomepageController extends \AppController
 {
-    public function index()
+    public function index(): Response
     {
         $value = 5;
     }
 }

CakePHPControllerComponentToSymfonyRector

Migrate CakePHP 2.4 Controller $components property to Symfony 5

 class MessagesController extends \AppController
 {
-    public $components = ['Overview'];
+    private function __construct(OverviewComponent $overviewComponent)
+    {
+        $this->overviewComponent->filter();
+    }

     public function someAction()
     {
-        $this->Overview->filter();
+        $this->overviewComponent->filter();
     }
 }

 class OverviewComponent extends \Component
 {
     public function filter()
     {
     }
 }

CakePHPControllerHelperToSymfonyRector

Migrate CakePHP 2.4 Controller $helpers and $components property to Symfony 5

 class HomepageController extends AppController
 {
-    public $helpers = ['Flash'];
-
     public function index()
     {
-        $this->Flash->success(__('Your post has been saved.'));
-        $this->Flash->error(__('Unable to add your post.'));
+        $this->addFlash('success', __('Your post has been saved.'));
+        $this->addFlash('error', __('Unable to add your post.'));
     }
 }

CakePHPControllerRedirectToSymfonyRector

Migrate CakePHP 2.4 Controller redirect() to Symfony 5

 class RedirectController extends \AppController
 {
     public function index()
     {
-        $this->redirect('boom');
+        return $this->redirect('boom');
     }
 }

CakePHPControllerRenderToSymfonyRector

Migrate CakePHP 2.4 Controller render() to Symfony 5

 class RedirectController extends \AppController
 {
     public function index()
     {
-        $this->render('custom_file');
+        return $this->render('redirect/custom_file.twig');
     }
 }

CakePHPControllerToSymfonyControllerRector

Migrate CakePHP 2.4 Controller to Symfony 5

-class HomepageController extends AppController
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+
+class HomepageController extends AbstractController
 {
-    public function index()
+    public function index(): Response
     {
     }
 }

CakePHPImplicitRouteToExplicitRouteAnnotationRector

Migrate CakePHP implicit routes to Symfony @route annotations

-class PaymentsController extends AppController
+use Symfony\Component\Routing\Annotation\Route;
+
+class AdminPaymentsController extends AppController
 {
+    /**
+     * @Route(path="/payments/index", name="payments_index")
+     */
     public function index()
     {
     }
 }

CakePHPModelToDoctrineEntityRector

Migrate CakePHP Model active record to Doctrine\ORM Entity and EntityRepository

-class Activity extends \AppModel
+use Doctrine\Mapping\Annotation as ORM;
+
+/**
+ * @ORM\Entity
+ */
+class Activity
 {
-    public $belongsTo = [
-        'ActivityType' => [
-            'className' => 'ActivityType',
-            'foreignKey' => 'activity_type_id',
-            'dependent' => false,
-        ],
-    ];
+    /**
+     * @ORM\ManyToOne(targetEntity="ActivityType")
+     * @ORM\JoinColumn(name="activity_type_id")
+     */
+    private $activityType;
 }

CakePHPModelToDoctrineRepositoryRector

Migrate CakePHP Model active record to Doctrine\ORM\Repository with repository/DQL method calls

-class Activity extends \AppModel
+use Doctrine\ORM\EntityManagerInterface;
+
+class Activity
 {
+}
+
+class ActivityRepository
+{
+    /**
+     * @var EntityManagerInterface
+     */
+    private $repository;
+
+    public function __construct(EntityManagerInterface $entityManager)
+    {
+        $this->repository = $entityManager->getRepository(Activity::class);
+    }
+
     public function getAll()
     {
-        $result = $this->find('all');
+        $result = $this->repository->findAll();

         return $result;
     }

     public function getOne()
     {
-        $result = $this->find('first', [
-            'conditions' => [
-                'DocumentVersionsSave.revision_number' => $versionId,
-                'DocumentVersionsSave.document_id' => $documentId,
-            ],
-            'order' => [
-                'created DESC',
-            ],
-        ]);
+        $result = $this->findOneBy([
+            'revision_number' => $versionId,
+            'document_id' => $documentId,
+        ], 'created DESC');

         return $result;
     }
 }

CakePHPTemplateHToTwigRector

Migrate CakePHP 2.4 h() function calls to Twig

-<h3><?php echo h($value); ?></h3>
+<h3>{{ value|escape }}</h3>

CakePHPTemplateLinkToTwigRector

Migrate CakePHP 2.4 template method calls to Twig

 <li>
-    <?php echo $this->Html->link('List Rights', ['action' => 'index']); ?>
+    <a href="{{ path('index') }}">List Rights</a>
 </li>

CakePHPTemplateTranslateToTwigRector

Migrate CakePHP 2.4 template method calls with translate to Twig

-<h3><?php echo __("Actions"); ?></h3>
+<h3>{{ "Actions"|trans }}</h3>

Celebrity

CommonNotEqualRector

Use common != instead of less known <> with same meaning

 final class SomeClass
 {
     public function run($one, $two)
     {
-        return $one <> $two;
+        return $one != $two;
     }
 }

LogicalToBooleanRector

Change OR, AND to ||, && with more common understanding

-if ($f = false or true) {
+if (($f = false) || true) {
     return $f;
 }

SetTypeToCastRector

Changes settype() to (type) where possible

 class SomeClass
 {
-    public function run($foo)
+    public function run(array $items)
     {
-        settype($foo, 'string');
+        $foo = (string) $foo;

-        return settype($foo, 'integer');
+        return (int) $foo;
     }
 }

CodeQuality

AbsolutizeRequireAndIncludePathRector

include/require to absolute path. This Rector might introduce backwards incompatible code, when the include/require beeing changed depends on the current working directory.

 class SomeClass
 {
     public function run()
     {
-        require 'autoload.php';
+        require __DIR__ . '/autoload.php';

         require $variable;
     }
 }

AddPregQuoteDelimiterRector

Add preg_quote delimiter when missing

-'#' . preg_quote('name') . '#';
+'#' . preg_quote('name', '#') . '#';

AndAssignsToSeparateLinesRector

Split 2 assigns ands to separate line

 class SomeClass
 {
     public function run()
     {
         $tokens = [];
-        $token = 4 and $tokens[] = $token;
+        $token = 4;
+        $tokens[] = $token;
     }
 }

ArrayKeyExistsTernaryThenValueToCoalescingRector

Change array_key_exists() ternary to coalesing

 class SomeClass
 {
     public function run($values, $keyToMatch)
     {
-        $result = array_key_exists($keyToMatch, $values) ? $values[$keyToMatch] : null;
+        $result = $values[$keyToMatch] ?? null;
     }
 }

ArrayMergeOfNonArraysToSimpleArrayRector

Change array_merge of non arrays to array directly

 class SomeClass
 {
     public function go()
     {
         $value = 5;
         $value2 = 10;

-        return array_merge([$value], [$value2]);
+        return [$value, $value2];
     }
 }

BooleanNotIdenticalToNotIdenticalRector

Negated identical boolean compare to not identical compare (does not apply to non-bool values)

 class SomeClass
 {
     public function run()
     {
         $a = true;
         $b = false;

-        var_dump(! $a === $b); // true
-        var_dump(! ($a === $b)); // true
+        var_dump($a !== $b); // true
+        var_dump($a !== $b); // true
         var_dump($a !== $b); // true
     }
 }

CallableThisArrayToAnonymousFunctionRector

Convert [$this, "method"] to proper anonymous function

 class SomeClass
 {
     public function run()
     {
         $values = [1, 5, 3];
-        usort($values, [$this, 'compareSize']);
+        usort($values, function ($first, $second) {
+            return $this->compareSize($first, $second);
+        });

         return $values;
     }

     private function compareSize($first, $second)
     {
         return $first <=> $second;
     }
 }

ChangeArrayPushToArrayAssignRector

Change array_push() to direct variable assign

 class SomeClass
 {
     public function run()
     {
         $items = [];
-        array_push($items, $item);
+        $items[] = $item;
     }
 }

CombineIfRector

Merges nested if statements

 class SomeClass {
     public function run()
     {
-        if ($cond1) {
-            if ($cond2) {
-                return 'foo';
-            }
+        if ($cond1 && $cond2) {
+            return 'foo';
         }
     }
 }

CombinedAssignRector

Simplify $value = $value + 5; assignments to shorter ones

-$value = $value + 5;
+$value += 5;

CompactToVariablesRector

Change compact() call to own array

 class SomeClass
 {
     public function run()
     {
         $checkout = 'one';
         $form = 'two';

-        return compact('checkout', 'form');
+        return ['checkout' => $checkout, 'form' => $form];
     }
 }

CompleteDynamicPropertiesRector

Add missing dynamic properties

 class SomeClass
 {
+    /**
+     * @var int
+     */
+    public $value;
     public function set()
     {
         $this->value = 5;
     }
 }

ConsecutiveNullCompareReturnsToNullCoalesceQueueRector

Change multiple null compares to ?? queue

 class SomeClass
 {
     public function run()
     {
-        if (null !== $this->orderItem) {
-            return $this->orderItem;
-        }
-
-        if (null !== $this->orderItemUnit) {
-            return $this->orderItemUnit;
-        }
-
-        return null;
+        return $this->orderItem ?? $this->orderItemUnit;
     }
 }

ExplicitBoolCompareRector

Make if conditions more explicit

 final class SomeController
 {
     public function run($items)
     {
-        if (!count($items)) {
+        if (count($items) === 0) {
             return 'no items';
         }
     }
 }

ForRepeatedCountToOwnVariableRector

Change count() in for function to own variable

 class SomeClass
 {
     public function run($items)
     {
-        for ($i = 5; $i <= count($items); $i++) {
+        $itemsCount = count($items);
+        for ($i = 5; $i <= $itemsCount; $i++) {
             echo $items[$i];
         }
     }
 }

ForToForeachRector

Change for() to foreach() where useful

 class SomeClass
 {
     public function run($tokens)
     {
-        for ($i = 0, $c = count($tokens); $i < $c; ++$i) {
-            if ($tokens[$i][0] === T_STRING && $tokens[$i][1] === 'fn') {
+        foreach ($tokens as $i => $token) {
+            if ($token[0] === T_STRING && $token[1] === 'fn') {
                 $previousNonSpaceToken = $this->getPreviousNonSpaceToken($tokens, $i);
                 if ($previousNonSpaceToken !== null && $previousNonSpaceToken[0] === T_OBJECT_OPERATOR) {
                     continue;
                 }
                 $tokens[$i][0] = self::T_FN;
             }
         }
     }
 }

ForeachItemsAssignToEmptyArrayToAssignRector

Change foreach() items assign to empty array to direct assign

 class SomeClass
 {
     public function run($items)
     {
         $items2 = [];
-        foreach ($items as $item) {
-             $items2[] = $item;
-        }
+        $items2 = $items;
     }
 }

ForeachToInArrayRector

Simplify foreach loops into in_array when possible

-foreach ($items as $item) {
-    if ($item === "something") {
-        return true;
-    }
-}
-
-return false;
+in_array("something", $items, true);

GetClassToInstanceOfRector

Changes comparison with get_class to instanceof

-if (EventsListener::class === get_class($event->job)) { }
+if ($event->job instanceof EventsListener) { }

InArrayAndArrayKeysToArrayKeyExistsRector

Simplify in_array and array_keys functions combination into array_key_exists when array_keys has one argument only

-in_array("key", array_keys($array), true);
+array_key_exists("key", $array);

InlineIfToExplicitIfRector

Change inline if to explicit if

 class SomeClass
 {
     public function run()
     {
         $userId = null;

-        is_null($userId) && $userId = 5;
+        if (is_null($userId)) {
+            $userId = 5;
+        }
     }
 }

IntvalToTypeCastRector

Change intval() to faster and readable (int) $value

 class SomeClass
 {
     public function run($value)
     {
-        return intval($value);
+        return (int) $value;
     }
 }

IsAWithStringWithThirdArgumentRector

 class SomeClass
 {
     public function __construct(string $value)
     {
-        return is_a($value, 'stdClass');
+        return is_a($value, 'stdClass', true);
     }
 }

JoinStringConcatRector

Joins concat of 2 strings

 class SomeClass
 {
     public function run()
     {
-        $name = 'Hi' . ' Tom';
+        $name = 'Hi Tom';
     }
 }

RemoveAlwaysTrueConditionSetInConstructorRector

If conditions is always true, perform the content right away

 final class SomeClass
 {
     private $value;

     public function __construct($value)
     {
         $this->value = $value;
     }

     public function go()
     {
-        if ($this->value) {
-            return 'yes';
-        }
+        return 'yes';
     }
 }

RemoveSoleValueSprintfRector

Remove sprintf() wrapper if not needed

 class SomeClass
 {
     public function run()
     {
-        $value = sprintf('%s', 'hi');
+        $value = 'hi';

         $welcome = 'hello';
-        $value = sprintf('%s', $welcome);
+        $value = $welcome;
     }
 }

ShortenElseIfRector

Shortens else/if to elseif

 class SomeClass
 {
     public function run()
     {
         if ($cond1) {
             return $action1;
-        } else {
-            if ($cond2) {
-                return $action2;
-            }
+        } elseif ($cond2) {
+            return $action2;
         }
     }
 }

SimplifyArraySearchRector

Simplify array_search to in_array

-array_search("searching", $array) !== false;
+in_array("searching", $array, true);

-array_search("searching", $array) != false;
+in_array("searching", $array);

SimplifyBoolIdenticalTrueRector

Symplify bool value compare to true or false

 class SomeClass
 {
     public function run(bool $value, string $items)
     {
-         $match = in_array($value, $items, TRUE) === TRUE;
-         $match = in_array($value, $items, TRUE) !== FALSE;
+         $match = in_array($value, $items, TRUE);
+         $match = in_array($value, $items, TRUE);
     }
 }

SimplifyConditionsRector

Simplify conditions

-if (! ($foo !== 'bar')) {...
+if ($foo === 'bar') {...

SimplifyDeMorganBinaryRector

Simplify negated conditions with de Morgan theorem

 <?php

 $a = 5;
 $b = 10;
-$result = !($a > 20 || $b <= 50);
+$result = $a <= 20 && $b > 50;

SimplifyDuplicatedTernaryRector

Remove ternary that duplicated return value of true : false

 class SomeClass
 {
     public function run(bool $value, string $name)
     {
-         $isTrue = $value ? true : false;
+         $isTrue = $value;
          $isName = $name ? true : false;
     }
 }

SimplifyEmptyArrayCheckRector

Simplify is_array and empty functions combination into a simple identical check for an empty array

-is_array($values) && empty($values)
+$values === []

SimplifyForeachToArrayFilterRector

Simplify foreach with function filtering to array filter

-$directories = [];
 $possibleDirectories = [];
-foreach ($possibleDirectories as $possibleDirectory) {
-    if (file_exists($possibleDirectory)) {
-        $directories[] = $possibleDirectory;
-    }
-}
+$directories = array_filter($possibleDirectories, 'file_exists');

SimplifyForeachToCoalescingRector

Changes foreach that returns set value to ??

-foreach ($this->oldToNewFunctions as $oldFunction => $newFunction) {
-    if ($currentFunction === $oldFunction) {
-        return $newFunction;
-    }
-}
-
-return null;
+return $this->oldToNewFunctions[$currentFunction] ?? null;

SimplifyFuncGetArgsCountRector

Simplify count of func_get_args() to fun_num_args()

-count(func_get_args());
+func_num_args();

SimplifyIfElseToTernaryRector

Changes if/else for same value as assign to ternary

 class SomeClass
 {
     public function run()
     {
-        if (empty($value)) {
-            $this->arrayBuilt[][$key] = true;
-        } else {
-            $this->arrayBuilt[][$key] = $value;
-        }
+        $this->arrayBuilt[][$key] = empty($value) ? true : $value;
     }
 }

SimplifyIfIssetToNullCoalescingRector

Simplify binary if to null coalesce

 final class SomeController
 {
     public function run($possibleStatieYamlFile)
     {
-        if (isset($possibleStatieYamlFile['import'])) {
-            $possibleStatieYamlFile['import'] = array_merge($possibleStatieYamlFile['import'], $filesToImport);
-        } else {
-            $possibleStatieYamlFile['import'] = $filesToImport;
-        }
+        $possibleStatieYamlFile['import'] = array_merge($possibleStatieYamlFile['import'] ?? [], $filesToImport);
     }
 }

SimplifyIfNotNullReturnRector

Changes redundant null check to instant return

 $newNode = 'something ;
-if ($newNode !== null) {
-    return $newNode;
-}
-
-return null;
+return $newNode;

SimplifyIfReturnBoolRector

Shortens if return false/true to direct return

-if (strpos($docToken->getContent(), "\n") === false) {
-    return true;
-}
-
-return false;
+return strpos($docToken->getContent(), "\n") === false;

SimplifyInArrayValuesRector

Removes unneeded array_values() in in_array() call

-in_array("key", array_values($array), true);
+in_array("key", $array, true);

SimplifyRegexPatternRector

Simplify regex pattern to known ranges

 class SomeClass
 {
     public function run($value)
     {
-        preg_match('#[a-zA-Z0-9+]#', $value);
+        preg_match('#[\w\d+]#', $value);
     }
 }

SimplifyStrposLowerRector

Simplify strpos(strtolower(), "...") calls

-strpos(strtolower($var), "...")"
+stripos($var, "...")"

SimplifyTautologyTernaryRector

Simplify tautology ternary to value

-$value = ($fullyQualifiedTypeHint !== $typeHint) ? $fullyQualifiedTypeHint : $typeHint;
+$value = $fullyQualifiedTypeHint;

SimplifyUselessVariableRector

Removes useless variable assigns

 function () {
-    $a = true;
-    return $a;
+    return true;
 };

SingleInArrayToCompareRector

Changes in_array() with single element to ===

 class SomeClass
 {
     public function run()
     {
-        if (in_array(strtolower($type), ['$this'], true)) {
+        if (strtolower($type) === '$this') {
             return strtolower($type);
         }
     }
 }

StrlenZeroToIdenticalEmptyStringRector

 class SomeClass
 {
     public function run($value)
     {
-        $empty = strlen($value) === 0;
+        $empty = $value === '';
     }
 }

ThrowWithPreviousExceptionRector

When throwing into a catch block, checks that the previous exception is passed to the new throw clause

 class SomeClass
 {
     public function run()
     {
         try {
             $someCode = 1;
         } catch (Throwable $throwable) {
-            throw new AnotherException('ups');
+            throw new AnotherException('ups', $throwable->getCode(), $throwable);
         }
     }
 }

UnnecessaryTernaryExpressionRector

Remove unnecessary ternary expressions.

-$foo === $bar ? true : false;
+$foo === $bar;

UseIdenticalOverEqualWithSameTypeRector

Use ===/!== over ==/!=, it values have the same type

 class SomeClass
 {
     public function run(int $firstValue, int $secondValue)
     {
-         $isSame = $firstValue == $secondValue;
-         $isDiffernt = $firstValue != $secondValue;
+         $isSame = $firstValue === $secondValue;
+         $isDiffernt = $firstValue !== $secondValue;
     }
 }

CodingStyle

AddArrayDefaultToArrayPropertyRector

Adds array default value to property to prevent foreach over null error

 class SomeClass
 {
     /**
      * @var int[]
      */
-    private $values;
+    private $values = [];

     public function isEmpty()
     {
-        return $this->values === null;
+        return $this->values === [];
     }
 }

AnnotateThrowablesRector

Adds @throws DocBlock comments to methods that thrwo \Throwables.

 class RootExceptionInMethodWithDocblock
 {
     /**
      * This is a comment.
      *
      * @param int $code
+     * @throws \RuntimeException
      */
     public function throwException(int $code)
     {
         throw new \RuntimeException('', $code);
     }
 }

BinarySwitchToIfElseRector

Changes switch with 2 options to if-else

-switch ($foo) {
-    case 'my string':
-        $result = 'ok';
-    break;
-
-    default:
-        $result = 'not ok';
+if ($foo == 'my string') {
+    $result = 'ok;
+} else {
+    $result = 'not ok';
 }

CallUserFuncCallToVariadicRector

Replace call_user_func_call with variadic

 class SomeClass
 {
     public function run()
     {
-        call_user_func_array('some_function', $items);
+        some_function(...$items);
     }
 }

CamelCaseFunctionNamingToUnderscoreRector

Change CamelCase naming of functions to under_score naming

-function someCamelCaseFunction()
+function some_camel_case_function()
 {
 }

-someCamelCaseFunction();
+some_camel_case_function();

CatchExceptionNameMatchingTypeRector

Type and name of catch exception should match

 class SomeClass
 {
     public function run()
     {
         try {
             // ...
-        } catch (SomeException $typoException) {
-            $typoException->getMessage();
+        } catch (SomeException $someException) {
+            $someException->getMessage();
         }
     }
 }

ConsistentImplodeRector

Changes various implode forms to consistent one

 class SomeClass
 {
     public function run(array $items)
     {
-        $itemsAsStrings = implode($items);
-        $itemsAsStrings = implode($items, '|');
+        $itemsAsStrings = implode('', $items);
+        $itemsAsStrings = implode('|', $items);

         $itemsAsStrings = implode('|', $items);
     }
 }

ConsistentPregDelimiterRector

Replace PREG delimiter with configured one

 class SomeClass
 {
     public function run()
     {
-        preg_match('~value~', $value);
-        preg_match_all('~value~im', $value);
+        preg_match('#value#', $value);
+        preg_match_all('#value#im', $value);
     }
 }

EncapsedStringsToSprintfRector

Convert enscaped {$string} to more readable sprintf

 final class SomeClass
 {
     public function run(string $format)
     {
-        return "Unsupported format {$format}";
+        return sprintf('Unsupported format %s', $format);
     }
 }

FollowRequireByDirRector

include/require should be followed by absolute path

 class SomeClass
 {
     public function run()
     {
-        require 'autoload.php';
+        require __DIR__ . '/autoload.php';
     }
 }

FunctionCallToConstantRector

Changes use of function calls to use constants

 class SomeClass
 {
     public function run()
     {
-        $value = php_sapi_name();
+        $value = PHP_SAPI;
     }
 }

 class SomeClass
 {
     public function run()
     {
-        $value = pi();
+        $value = M_PI;
     }
 }

IdenticalFalseToBooleanNotRector

Changes === false to negate !

-if ($something === false) {}
+if (! $something) {}

ImportFullyQualifiedNamesRector

Import fully qualified names to use statements

+use SomeAnother\AnotherClass;
+use DateTime;
+
 class SomeClass
 {
     public function create()
     {
-          return SomeAnother\AnotherClass;
+          return AnotherClass;
     }

     public function createDate()
     {
-        return new \DateTime();
+        return new DateTime();
     }
 }

MakeInheritedMethodVisibilitySameAsParentRector

Make method visibility same as parent one

 class ChildClass extends ParentClass
 {
-    public function run()
+    protected function run()
     {
     }
 }

 class ParentClass
 {
     protected function run()
     {
     }
 }

ManualJsonStringToJsonEncodeArrayRector

Add extra space before new assign set

 final class SomeClass
 {
     public function run()
     {
-        $someJsonAsString = '{"role_name":"admin","numberz":{"id":"10"}}';
+        $data = [
+            'role_name' => 'admin',
+            'numberz' => ['id' => 10]
+        ];
+
+        $someJsonAsString = Nette\Utils\Json::encode($data);
     }
 }

NewlineBeforeNewAssignSetRector

Add extra space before new assign set

 final class SomeClass
 {
     public function run()
     {
         $value = new Value;
         $value->setValue(5);
+
         $value2 = new Value;
         $value2->setValue(1);
     }
 }

NullableCompareToNullRector

Changes negate of empty comparison of nullable value to explicit === or !== compare

 /** @var stdClass|null $value */
-if ($value) {
+if ($value !== null) {
 }

-if (!$value) {
+if ($value === null) {
 }

PreferThisOrSelfMethodCallRector

Changes $this->... to self:: or vise versa for specific types

services:
    Rector\CodingStyle\Rector\MethodCall\PreferThisOrSelfMethodCallRector:
        PHPUnit\TestCase: self

↓

 class SomeClass extends PHPUnit\TestCase
 {
     public function run()
     {
-        $this->assertThis();
+        self::assertThis();
     }
 }

RemoveUnusedAliasRector

Removes unused use aliases. Keep annotation aliases like "Doctrine\ORM\Mapping as ORM" to keep convention format

-use Symfony\Kernel as BaseKernel;
+use Symfony\Kernel;

-class SomeClass extends BaseKernel
+class SomeClass extends Kernel
 {
 }

ReturnArrayClassMethodToYieldRector

Turns array return to yield return in specific type and method

services:
    Rector\CodingStyle\Rector\ClassMethod\ReturnArrayClassMethodToYieldRector:
        EventSubscriberInterface:
            - getSubscribedEvents

↓

 class SomeEventSubscriber implements EventSubscriberInterface
 {
     public static function getSubscribedEvents()
     {
-        return ['event' => 'callback'];
+        yield 'event' => 'callback';
     }
 }

SimpleArrayCallableToStringRector

Changes redundant anonymous bool functions to simple calls

-$paths = array_filter($paths, function ($path): bool {
-    return is_dir($path);
-});
+array_filter($paths, "is_dir");

SplitDoubleAssignRector

Split multiple inline assigns to each own lines default value, to prevent undefined array issues

 class SomeClass
 {
     public function run()
     {
-        $one = $two = 1;
+        $one = 1;
+        $two = 1;
     }
 }

SplitGroupedConstantsAndPropertiesRector

Separate constant and properties to own lines

 class SomeClass
 {
-    const HI = true, AHOJ = 'true';
+    const HI = true;
+    const AHOJ = 'true';

     /**
      * @var string
      */
-    public $isIt, $isIsThough;
+    public $isIt;
+
+    /**
+     * @var string
+     */
+    public $isIsThough;
 }

SplitStringClassConstantToClassConstFetchRector

Separate class constant in a string to class constant fetch and string

 class SomeClass
 {
     const HI = true;
 }

 class AnotherClass
 {
     public function get()
     {
-        return 'SomeClass::HI';
+        return SomeClass::class . '::HI';
     }
 }

StrictArraySearchRector

Makes array_search search for identical elements

-array_search($value, $items);
+array_search($value, $items, true);

SymplifyQuoteEscapeRector

Prefer quote that are not inside the string

 class SomeClass
 {
     public function run()
     {
-         $name = "\" Tom";
-         $name = '\' Sara';
+         $name = '" Tom';
+         $name = "' Sara";
     }
 }

UseIncrementAssignRector

Use ++ increment instead of $var += 1.

 class SomeClass
 {
     public function run()
     {
-        $style += 1;
+        ++$style
     }
 }

VarConstantCommentRector

Constant should have a @var comment with type

 class SomeClass
 {
+    /**
+     * @var string
+     */
     const HI = 'hi';
 }

VersionCompareFuncCallToConstantRector

Changes use of call to version compare function to use of PHP version constant

 class SomeClass
 {
     public function run()
     {
-        version_compare(PHP_VERSION, '5.3.0', '<');
+        PHP_VERSION_ID < 50300;
     }
 }

YieldClassMethodToArrayClassMethodRector

Turns yield return to array return in specific type and method

services:
    Rector\CodingStyle\Rector\ClassMethod\YieldClassMethodToArrayClassMethodRector:
        EventSubscriberInterface:
            - getSubscribedEvents

↓

 class SomeEventSubscriber implements EventSubscriberInterface
 {
     public static function getSubscribedEvents()
     {
-        yield 'event' => 'callback';
+        return ['event' => 'callback'];
     }
 }

DeadCode

RemoveAlwaysTrueIfConditionRector

Remove if condition that is always true

 final class SomeClass
 {
     public function go()
     {
-        if (1 === 1) {
-            return 'yes';
-        }
+        return 'yes';

         return 'no';
     }
 }

RemoveAndTrueRector

Remove and true that has no added value

 class SomeClass
 {
     public function run()
     {
-        return true && 5 === 1;
+        return 5 === 1;
     }
 }

RemoveCodeAfterReturnRector

Remove dead code after return statement

 class SomeClass
 {
     public function run(int $a)
     {
          return $a;
-         $a++;
     }
 }

RemoveConcatAutocastRector

Remove (string) casting when it comes to concat, that does this by default

 class SomeConcatingClass
 {
     public function run($value)
     {
-        return 'hi ' . (string) $value;
+        return 'hi ' . $value;
     }
 }

RemoveDeadConstructorRector

Remove empty constructor

 class SomeClass
 {
-    public function __construct()
-    {
-    }
 }

RemoveDeadIfForeachForRector

Remove if, foreach and for that does not do anything

 class SomeClass
 {
     public function run($someObject)
     {
         $value = 5;
-        if ($value) {
-        }
-
         if ($someObject->run()) {
-        }
-
-        foreach ($values as $value) {
         }

         return $value;
     }
 }

RemoveDeadReturnRector

Remove last return in the functions, since does not do anything

 class SomeClass
 {
     public function run()
     {
         $shallWeDoThis = true;

         if ($shallWeDoThis) {
             return;
         }
-
-        return;
     }
 }

RemoveDeadStmtRector

Removes dead code statements

-$value = 5;
-$value;
+$value = 5;

RemoveDeadTryCatchRector

Remove dead try/catch

 class SomeClass
 {
     public function run()
     {
-        try {
-            // some code
-        }
-        catch (Throwable $throwable) {
-            throw $throwable;
-        }
+        // some code
     }
 }

RemoveDeadZeroAndOneOperationRector

 class SomeClass
 {
     public function run()
     {
-        $value = 5 * 1;
-        $value = 5 + 0;
+        $value = 5;
+        $value = 5;
     }
 }

RemoveDefaultArgumentValueRector

Remove argument value, if it is the same as default value

 class SomeClass
 {
     public function run()
     {
-        $this->runWithDefault([]);
-        $card = self::runWithStaticDefault([]);
+        $this->runWithDefault();
+        $card = self::runWithStaticDefault();
     }

     public function runWithDefault($items = [])
     {
         return $items;
     }

     public function runStaticWithDefault($cards = [])
     {
         return $cards;
     }
 }

RemoveDelegatingParentCallRector

 class SomeClass
 {
-    public function prettyPrint(array $stmts): string
-    {
-        return parent::prettyPrint($stmts);
-    }
 }

RemoveDoubleAssignRector

Simplify useless double assigns

-$value = 1;
 $value = 1;

RemoveDuplicatedArrayKeyRector

Remove duplicated key in defined arrays.

 $item = [
-    1 => 'A',
     1 => 'B'
 ];

RemoveDuplicatedCaseInSwitchRector

2 following switch keys with identical will be reduced to one result

 class SomeClass
 {
     public function run()
     {
         switch ($name) {
              case 'clearHeader':
                  return $this->modifyHeader($node, 'remove');
              case 'clearAllHeaders':
-                 return $this->modifyHeader($node, 'replace');
              case 'clearRawHeaders':
                  return $this->modifyHeader($node, 'replace');
              case '...':
                  return 5;
         }
     }
 }

RemoveDuplicatedInstanceOfRector

 class SomeClass
 {
     public function run($value)
     {
-        $isIt = $value instanceof A || $value instanceof A;
-        $isIt = $value instanceof A && $value instanceof A;
+        $isIt = $value instanceof A;
+        $isIt = $value instanceof A;
     }
 }

RemoveEmptyClassMethodRector

Remove empty method calls not required by parents

 class OrphanClass
 {
-    public function __construct()
-    {
-    }
 }

RemoveNullPropertyInitializationRector

Remove initialization with null value from property declarations

 class SunshineCommand extends ParentClassWithNewConstructor
 {
-    private $myVar = null;
+    private $myVar;
 }

RemoveOverriddenValuesRector

Remove initial assigns of overridden values

 final class SomeController
 {
     public function run()
     {
-         $directories = [];
          $possibleDirectories = [];
          $directories = array_filter($possibleDirectories, 'file_exists');
     }
 }

RemoveParentCallWithoutParentRector

Remove unused parent call with no parent class

 class OrphanClass
 {
     public function __construct()
     {
-         parent::__construct();
     }
 }

RemoveSetterOnlyPropertyAndMethodCallRector

Removes method that set values that are never used

 class SomeClass
 {
-    private $name;
-
-    public function setName($name)
-    {
-        $this->name = $name;
-    }
 }

 class ActiveOnlySetter
 {
     public function run()
     {
         $someClass = new SomeClass();
-        $someClass->setName('Tom');
     }
 }

RemoveUnreachableStatementRector

Remove unreachable statements

 class SomeClass
 {
     public function run()
     {
         return 5;
-
-        $removeMe = 10;
     }
 }

RemoveUnusedClassConstantRector

Remove unused class constants

 class SomeClass
 {
-    private const SOME_CONST = 'dead';
-
     public function run()
     {
     }
 }

RemoveUnusedClassesRector

Remove unused classes without interface

 interface SomeInterface
 {
 }

 class SomeClass implements SomeInterface
 {
     public function run($items)
     {
         return null;
     }
-}
-
-class NowhereUsedClass
-{
 }

RemoveUnusedDoctrineEntityMethodAndPropertyRector

Removes unused methods and properties from Doctrine entity classes

 use Doctrine\ORM\Mapping as ORM;

 /**
  * @ORM\Entity
  */
 class UserEntity
 {
-    /**
-     * @ORM\Column
-     */
-    private $name;
-
-    public function getName()
-    {
-        return $this->name;
-    }
-
-    public function setName($name)
-    {
-        $this->name = $name;
-    }
 }

RemoveUnusedForeachKeyRector

Remove unused key in foreach

 $items = [];
-foreach ($items as $key => $value) {
+foreach ($items as $value) {
     $result = $value;
 }

RemoveUnusedParameterRector

Remove unused parameter, if not required by interface or parent class

 class SomeClass
 {
-    public function __construct($value, $value2)
+    public function __construct($value)
     {
          $this->value = $value;
     }
 }

RemoveUnusedPrivateConstantRector

Remove unused private constant

 final class SomeController
 {
-    private const SOME_CONSTANT = 5;
     public function run()
     {
         return 5;
     }
 }

RemoveUnusedPrivateMethodRector

Remove unused private method

 final class SomeController
 {
     public function run()
     {
         return 5;
     }
-
-    private function skip()
-    {
-        return 10;
-    }
 }

RemoveUnusedPrivatePropertyRector

Remove unused private properties

 class SomeClass
 {
-    private $property;
 }

SimplifyIfElseWithSameContentRector

Remove if/else if they have same content

 class SomeClass
 {
     public function run()
     {
-        if (true) {
-            return 1;
-        } else {
-            return 1;
-        }
+        return 1;
     }
 }

SimplifyMirrorAssignRector

Removes unneeded $a = $a assigns

-$a = $a;

TernaryToBooleanOrFalseToBooleanAndRector

Change ternary of bool : false to && bool

 class SomeClass
 {
     public function go()
     {
-        return $value ? $this->getBool() : false;
+        return $value && $this->getBool();
     }

     private function getBool(): bool
     {
         return (bool) 5;
     }
 }

Doctrine

AddEntityIdByConditionRector

Add entity id with annotations when meets condition

services:
    Rector\Doctrine\Rector\Class_\AddEntityIdByConditionRector: {  }

↓

 class SomeClass
 {
     use SomeTrait;
+
+    /**
+      * @ORM\Id
+      * @ORM\Column(type="integer")
+      * @ORM\GeneratedValue(strategy="AUTO")
+      */
+     private $id;
+
+    public function getId(): int
+    {
+        return $this->id;
+    }
 }

AddUuidAnnotationsToIdPropertyRector

Add uuid annotations to $id property


AddUuidMirrorForRelationPropertyRector

Adds $uuid property to entities, that already have $id with integer type.Require for step-by-step migration from int to uuid.


AddUuidToEntityWhereMissingRector

Adds $uuid property to entities, that already have $id with integer type.Require for step-by-step migration from int to uuid. In following step it should be renamed to $id and replace it


AlwaysInitializeUuidInEntityRector

Add uuid initializion to all entities that misses it


ChangeGetIdTypeToUuidRector

Change return type of getId() to uuid interface


ChangeGetUuidMethodCallToGetIdRector

Change getUuid() method call to getId()

 use Doctrine\ORM\Mapping as ORM;
 use Ramsey\Uuid\Uuid;
 use Ramsey\Uuid\UuidInterface;

 class SomeClass
 {
     public function run()
     {
         $buildingFirst = new Building();

-        return $buildingFirst->getUuid()->toString();
+        return $buildingFirst->getId()->toString();
     }
 }

 /**
  * @ORM\Entity
  */
 class UuidEntity
 {
     private $uuid;
     public function getUuid(): UuidInterface
     {
         return $this->uuid;
     }
 }

ChangeIdenticalUuidToEqualsMethodCallRector

Change $uuid === 1 to $uuid->equals(\Ramsey\Uuid\Uuid::fromString(1))

 class SomeClass
 {
     public function match($checkedId): int
     {
         $building = new Building();

-        return $building->getId() === $checkedId;
+        return $building->getId()->equals(\Ramsey\Uuid\Uuid::fromString($checkedId));
     }
 }

ChangeReturnTypeOfClassMethodWithGetIdRector

Change getUuid() method call to getId()

 class SomeClass
 {
-    public function getBuildingId(): int
+    public function getBuildingId(): \Ramsey\Uuid\UuidInterface
     {
         $building = new Building();

         return $building->getId();
     }
 }

ChangeSetIdToUuidValueRector

Change set id to uuid values

 use Doctrine\ORM\Mapping as ORM;
 use Ramsey\Uuid\Uuid;

 class SomeClass
 {
     public function run()
     {
         $buildingFirst = new Building();
-        $buildingFirst->setId(1);
-        $buildingFirst->setUuid(Uuid::fromString('a3bfab84-e207-4ddd-b96d-488151de9e96'));
+        $buildingFirst->setId(Uuid::fromString('a3bfab84-e207-4ddd-b96d-488151de9e96'));
     }
 }

 /**
  * @ORM\Entity
  */
 class Building
 {
 }

ChangeSetIdTypeToUuidRector

Change param type of setId() to uuid interface


EntityAliasToClassConstantReferenceRector

Replaces doctrine alias with class.

 $entityManager = new Doctrine\ORM\EntityManager();
-$entityManager->getRepository("AppBundle:Post");
+$entityManager->getRepository(\App\Entity\Post::class);

ManagerRegistryGetManagerToEntityManagerRector

-use Doctrine\Common\Persistence\ManagerRegistry;
+use Doctrine\ORM\EntityManagerInterface;

 class CustomRepository
 {
     /**
-     * @var ManagerRegistry
+     * @var EntityManagerInterface
      */
-    private $managerRegistry;
+    private $entityManager;

-    public function __construct(ManagerRegistry $managerRegistry)
+    public function __construct(EntityManagerInterface $entityManager)
     {
-        $this->managerRegistry = $managerRegistry;
+        $this->entityManager = $entityManager;
     }

     public function run()
     {
-        $entityManager = $this->managerRegistry->getManager();
-        $someRepository = $entityManager->getRepository('Some');
+        $someRepository = $this->entityManager->getRepository('Some');
     }
 }

RemoveRepositoryFromEntityAnnotationRector

Removes repository class from @Entity annotation

 use Doctrine\ORM\Mapping as ORM;

 /**
- * @ORM\Entity(repositoryClass="ProductRepository")
+ * @ORM\Entity
  */
 class Product
 {
 }

RemoveTemporaryUuidColumnPropertyRector

Remove temporary $uuid property


RemoveTemporaryUuidRelationPropertyRector

Remove temporary *Uuid relation properties


DoctrineCodeQuality

ChangeQuerySetParametersMethodParameterFromArrayToArrayCollectionRector

Change array to ArrayCollection in setParameters method of query builder


-use Doctrine\ORM\EntityRepository;
+use Doctrine\Common\Collections\ArrayCollection;use Doctrine\ORM\EntityRepository;use Doctrine\ORM\Query\Parameter;

 class SomeRepository extends EntityRepository
 {
     public function getSomething()
     {
         return $this
             ->createQueryBuilder('sm')
             ->select('sm')
             ->where('sm.foo = :bar')
-            ->setParameters([
-                'bar' => 'baz'
-            ])
+            ->setParameters(new ArrayCollection([
+                new  Parameter('bar', 'baz'),
+            ]))
             ->getQuery()
             ->getResult()
         ;
     }
 }

InitializeDefaultEntityCollectionRector

Initialize collection property in Entity constructor

 use Doctrine\ORM\Mapping as ORM;

 /**
  * @ORM\Entity
  */
 class SomeClass
 {
     /**
      * @ORM\OneToMany(targetEntity="MarketingEvent")
      */
     private $marketingEvents = [];
+
+    public function __construct()
+    {
+        $this->marketingEvents = new ArrayCollection();
+    }
 }

DoctrineGedmoToKnplabs

BlameableBehaviorRector

Change Blameable from gedmo/doctrine-extensions to knplabs/doctrine-behaviors

-use Gedmo\Mapping\Annotation as Gedmo;
 use Doctrine\ORM\Mapping as ORM;
+use Knp\DoctrineBehaviors\Contract\Entity\BlameableInterface;
+use Knp\DoctrineBehaviors\Model\Blameable\BlameableTrait;

 /**
  * @ORM\Entity
  */
-class SomeClass
+class SomeClass implements BlameableInterface
 {
-    /**
-     * @Gedmo\Blameable(on="create")
-     */
-    private $createdBy;
-
-    /**
-     * @Gedmo\Blameable(on="update")
-     */
-    private $updatedBy;
-
-    /**
-     * @Gedmo\Blameable(on="change", field={"title", "body"})
-     */
-    private $contentChangedBy;
-
-    public function getCreatedBy()
-    {
-        return $this->createdBy;
-    }
-
-    public function getUpdatedBy()
-    {
-        return $this->updatedBy;
-    }
-
-    public function getContentChangedBy()
-    {
-        return $this->contentChangedBy;
-    }
+    use BlameableTrait;
 }

LoggableBehaviorRector

Change Loggable from gedmo/doctrine-extensions to knplabs/doctrine-behaviors

-use Gedmo\Mapping\Annotation as Gedmo;
 use Doctrine\ORM\Mapping as ORM;
+use Knp\DoctrineBehaviors\Model\Loggable\LoggableTrait;
+use Knp\DoctrineBehaviors\Contract\Entity\LoggableInterface;

 /**
  * @ORM\Entity
- * @Gedmo\Loggable
  */
-class SomeClass
+class SomeClass implements LoggableInterface
 {
+    use LoggableTrait;
+
     /**
-     * @Gedmo\Versioned
      * @ORM\Column(name="title", type="string", length=8)
      */
     private $title;
 }

SluggableBehaviorRector

Change Sluggable from gedmo/doctrine-extensions to knplabs/doctrine-behaviors

 use Gedmo\Mapping\Annotation as Gedmo;
+use Knp\DoctrineBehaviors\Model\Sluggable\SluggableTrait;
+use Knp\DoctrineBehaviors\Contract\Entity\SluggableInterface;

-class SomeClass
+class SomeClass implements SluggableInterface
 {
+    use SluggableTrait;
+
     /**
-     * @Gedmo\Slug(fields={"name"})
+     * @return string[]
      */
-    private $slug;
-
-    public function getSlug(): ?string
+    public function getSluggableFields(): array
     {
-        return $this->slug;
-    }
-
-    public function setSlug(?string $slug): void
-    {
-        $this->slug = $slug;
+        return ['name'];
     }
 }

SoftDeletableBehaviorRector

Change SoftDeletable from gedmo/doctrine-extensions to knplabs/doctrine-behaviors

-use Gedmo\Mapping\Annotation as Gedmo;
+use Knp\DoctrineBehaviors\Contract\Entity\SoftDeletableInterface;
+use Knp\DoctrineBehaviors\Model\SoftDeletable\SoftDeletableTrait;

-/**
- * @Gedmo\SoftDeleteable(fieldName="deletedAt", timeAware=false, hardDelete=true)
- */
-class SomeClass
+class SomeClass implements SoftDeletableInterface
 {
-    /**
-     * @ORM\Column(name="deletedAt", type="datetime", nullable=true)
-     */
-    private $deletedAt;
-
-    public function getDeletedAt()
-    {
-        return $this->deletedAt;
-    }
-
-    public function setDeletedAt($deletedAt)
-    {
-        $this->deletedAt = $deletedAt;
-    }
+    use SoftDeletableTrait;
 }

TimestampableBehaviorRector

Change Timestampable from gedmo/doctrine-extensions to knplabs/doctrine-behaviors

-use Gedmo\Timestampable\Traits\TimestampableEntity;
+use Knp\DoctrineBehaviors\Model\Timestampable\TimestampableTrait;
+use Knp\DoctrineBehaviors\Contract\Entity\TimestampableInterface;

-class SomeClass
+class SomeClass implements TimestampableInterface
 {
-    use TimestampableEntity;
+    use TimestampableTrait;
 }

TranslationBehaviorRector

Change Translation from gedmo/doctrine-extensions to knplabs/doctrine-behaviors

-use Gedmo\Mapping\Annotation as Gedmo;
-use Doctrine\ORM\Mapping as ORM;
-use Gedmo\Translatable\Translatable;
+use Knp\DoctrineBehaviors\Model\Translatable\TranslatableTrait;
+use Knp\DoctrineBehaviors\Contract\Entity\TranslatableInterface;

-/**
- * @ORM\Table
- */
-class Article implements Translatable
+class SomeClass implements TranslatableInterface
 {
+    use TranslatableTrait;
+}
+
+
+use Knp\DoctrineBehaviors\Contract\Entity\TranslationInterface;
+use Knp\DoctrineBehaviors\Model\Translatable\TranslationTrait;
+
+class SomeClassTranslation implements TranslationInterface
+{
+    use TranslationTrait;
+
     /**
-     * @Gedmo\Translatable
      * @ORM\Column(length=128)
      */
     private $title;

     /**
-     * @Gedmo\Translatable
      * @ORM\Column(type="text")
      */
     private $content;
-
-    /**
-     * @Gedmo\Locale
-     * Used locale to override Translation listener`s locale
-     * this is not a mapped field of entity metadata, just a simple property
-     * and it is not necessary because globally locale can be set in listener
-     */
-    private $locale;
-
-    public function setTitle($title)
-    {
-        $this->title = $title;
-    }
-
-    public function getTitle()
-    {
-        return $this->title;
-    }
-
-    public function setContent($content)
-    {
-        $this->content = $content;
-    }
-
-    public function getContent()
-    {
-        return $this->content;
-    }
-
-    public function setTranslatableLocale($locale)
-    {
-        $this->locale = $locale;
-    }
 }

TreeBehaviorRector

Change Tree from gedmo/doctrine-extensions to knplabs/doctrine-behaviors

-use Doctrine\Common\Collections\Collection;
-use Gedmo\Mapping\Annotation as Gedmo;
+use Knp\DoctrineBehaviors\Contract\Entity\TreeNodeInterface;
+use Knp\DoctrineBehaviors\Model\Tree\TreeNodeTrait;

-/**
- * @Gedmo\Tree(type="nested")
- */
-class SomeClass
+class SomeClass implements TreeNodeInterface
 {
-    /**
-     * @Gedmo\TreeLeft
-     * @ORM\Column(name="lft", type="integer")
-     * @var int
-     */
-    private $lft;
-
-    /**
-     * @Gedmo\TreeRight
-     * @ORM\Column(name="rgt", type="integer")
-     * @var int
-     */
-    private $rgt;
-
-    /**
-     * @Gedmo\TreeLevel
-     * @ORM\Column(name="lvl", type="integer")
-     * @var int
-     */
-    private $lvl;
-
-    /**
-     * @Gedmo\TreeRoot
-     * @ORM\ManyToOne(targetEntity="Category")
-     * @ORM\JoinColumn(name="tree_root", referencedColumnName="id", onDelete="CASCADE")
-     * @var Category
-     */
-    private $root;
-
-    /**
-     * @Gedmo\TreeParent
-     * @ORM\ManyToOne(targetEntity="Category", inversedBy="children")
-     * @ORM\JoinColumn(name="parent_id", referencedColumnName="id", onDelete="CASCADE")
-     * @var Category
-     */
-    private $parent;
-
-    /**
-     * @ORM\OneToMany(targetEntity="Category", mappedBy="parent")
-     * @var Category[]|Collection
-     */
-    private $children;
-
-    public function getRoot(): self
-    {
-        return $this->root;
-    }
-
-    public function setParent(self $category): void
-    {
-        $this->parent = $category;
-    }
-
-    public function getParent(): self
-    {
-        return $this->parent;
-    }
+    use TreeNodeTrait;
 }

DynamicTypeAnalysis

AddArgumentTypeWithProbeDataRector

Add argument type based on probed data

 class SomeClass
 {
-    public function run($arg)
+    public function run(string $arg)
     {
     }
 }

DecorateMethodWithArgumentTypeProbeRector

Add probe that records argument types to each method

 class SomeClass
 {
     public function run($arg)
     {
+        \Rector\DynamicTypeAnalysis\Probe\TypeStaticProbe::recordArgumentType($arg, __METHOD__, 0);
     }
 }

RemoveArgumentTypeProbeRector

Clean up probe that records argument types

-use Rector\DynamicTypeAnalysis\Probe\TypeStaticProbe;
-
 class SomeClass
 {
     public function run($arg)
     {
-        TypeStaticProbe::recordArgumentType($arg, __METHOD__, 0);
     }
 }

ElasticSearchDSL

MigrateFilterToQueryRector

Migrates addFilter to addQuery

 use ONGR\ElasticsearchDSL\Search;
 use ONGR\ElasticsearchDSL\Query\TermsQuery;
+use ONGR\ElasticsearchDSL\Query\Compound\BoolQuery;

 class SomeClass
 {
     public function run()
     {
         $search = new Search();

-        $search->addFilter(
-            new TermsQuery('categoryIds', [1, 2])
+        $search->addQuery(
+            new TermsQuery('categoryIds', [1, 2]),
+            BoolQuery::FILTER
         );
     }
 }

FileSystemRector

RemoveProjectFileRector

Remove file relative to project directory


Guzzle

MessageAsArrayRector

Changes getMessage(..., true) to getMessageAsArray()

 /** @var GuzzleHttp\Message\MessageInterface */
-$value = $message->getMessage('key', true);
+$value = $message->getMessageAsArray('key');

JMS

RemoveJmsInjectParamsAnnotationRector

Removes JMS\DiExtraBundle\Annotation\InjectParams annotation

 use JMS\DiExtraBundle\Annotation as DI;

 class SomeClass
 {
-    /**
-     * @DI\InjectParams({
-     *     "subscribeService" = @DI\Inject("app.email.service.subscribe"),
-     *     "ipService" = @DI\Inject("app.util.service.ip")
-     * })
-     */
     public function __construct()
     {
     }
-}
+}

RemoveJmsInjectServiceAnnotationRector

Removes JMS\DiExtraBundle\Annotation\Services annotation

 use JMS\DiExtraBundle\Annotation as DI;

-/**
- * @DI\Service("email.web.services.subscribe_token", public=true)
- */
 class SomeClass
 {
 }

Laravel

FacadeStaticCallToConstructorInjectionRector

Move Illuminate\Support\Facades* static calls to constructor injection

 use Illuminate\Support\Facades\Response;

 class ExampleController extends Controller
 {
+    /**
+     * @var \Illuminate\Contracts\Routing\ResponseFactory
+     */
+    private $responseFactory;
+
+    public function __construct(\Illuminate\Contracts\Routing\ResponseFactory $responseFactory)
+    {
+        $this->responseFactory = $responseFactory;
+    }
+
     public function store()
     {
-        return Response::view('example', ['new_example' => 123]);
+        return $this->responseFactory->view('example', ['new_example' => 123]);
     }
 }

HelperFunctionToConstructorInjectionRector

Move help facade-like function calls to constructor injection

 class SomeController
 {
+    /**
+     * @var \Illuminate\Contracts\View\Factory
+     */
+    private $viewFactory;
+
+    public function __construct(\Illuminate\Contracts\View\Factory $viewFactory)
+    {
+        $this->viewFactory = $viewFactory;
+    }
+
     public function action()
     {
-        $template = view('template.blade');
-        $viewFactory = view();
+        $template = $this->viewFactory->make('template.blade');
+        $viewFactory = $this->viewFactory;
     }
 }

InlineValidationRulesToArrayDefinitionRector

Transforms inline validation rules to array definition

 use Illuminate\Foundation\Http\FormRequest;

 class SomeClass extends FormRequest
 {
     public function rules(): array
     {
         return [
-            'someAttribute' => 'required|string|exists:' . SomeModel::class . 'id',
+            'someAttribute' => ['required', 'string', \Illuminate\Validation\Rule::exists(SomeModel::class, 'id')],
         ];
     }
 }

MinutesToSecondsInCacheRector

Change minutes argument to seconds in Illuminate\Contracts\Cache\Store and Illuminate\Support\Facades\Cache

 class SomeClass
 {
     public function run()
     {
-        Illuminate\Support\Facades\Cache::put('key', 'value', 60);
+        Illuminate\Support\Facades\Cache::put('key', 'value', 60 * 60);
     }
 }

Redirect301ToPermanentRedirectRector

Change "redirect" call with 301 to "permanentRedirect"

 class SomeClass
 {
     public function run()
     {
-        Illuminate\Routing\Route::redirect('/foo', '/bar', 301);
+        Illuminate\Routing\Route::permanentRedirect('/foo', '/bar');
     }
 }

RequestStaticValidateToInjectRector

Change static validate() method to $request->validate()

 use Illuminate\Http\Request;

 class SomeClass
 {
-    public function store()
+    public function store(\Illuminate\Http\Request $request)
     {
-        $validatedData = Request::validate(['some_attribute' => 'required']);
+        $validatedData = $request->validate(['some_attribute' => 'required']);
     }
 }

Legacy

ChangeSingletonToServiceRector

Change singleton class to normal class that can be registered as a service

 class SomeClass
 {
-    private static $instance;
-
-    private function __construct()
+    public function __construct()
     {
-    }
-
-    public static function getInstance()
-    {
-        if (null === static::$instance) {
-            static::$instance = new static();
-        }
-
-        return static::$instance;
     }
 }

MinimalScope

ChangeLocalPropertyToVariableRector

Change local property used in single method to local variable

 class SomeClass
 {
-    private $count;
     public function run()
     {
-        $this->count = 5;
-        return $this->count;
+        $count = 5;
+        return $count;
     }
 }

MysqlToMysqli

MysqlAssignToMysqliRector

Converts more complex mysql functions to mysqli

-$data = mysql_db_name($result, $row);
+mysqli_data_seek($result, $row);
+$fetch = mysql_fetch_row($result);
+$data = $fetch[0];

MysqlFuncCallToMysqliRector

Converts more complex mysql functions to mysqli

-mysql_drop_db($database);
+mysqli_query('DROP DATABASE ' . $database);

MysqlPConnectToMysqliConnectRector

Replace mysql_pconnect() with mysqli_connect() with host p: prefix

 final class SomeClass
 {
     public function run($host, $username, $password)
     {
-        return mysql_pconnect($host, $username, $password);
+        return mysqli_connect('p:' . $host, $username, $password);
     }
 }

Nette

AddDatePickerToDateControlRector

Nextras/Form upgrade of addDatePicker method call to DateControl assign

 use Nette\Application\UI\Form;

 class SomeClass
 {
     public function run()
     {
         $form = new Form();
-        $form->addDatePicker('key', 'Label');
+        $form['key'] = new \Nextras\FormComponents\Controls\DateControl('Label');
     }
 }

EndsWithFunctionToNetteUtilsStringsRector

Use Nette\Utils\Strings over bare string-functions

 class SomeClass
 {
     public function end($needle)
     {
         $content = 'Hi, my name is Tom';

-        $yes = substr($content, -strlen($needle)) === $needle;
-        $no = $needle !== substr($content, -strlen($needle));
+        $yes = \Nette\Utils\Strings::endsWith($content, $needle);
+        $no = !\Nette\Utils\Strings::endsWith($content, $needle);
     }
 }

FilePutContentsToFileSystemWriteRector

Change file_put_contents() to FileSystem::write()

 class SomeClass
 {
     public function run()
     {
-        file_put_contents('file.txt', 'content');
+        \Nette\Utils\FileSystem::write('file.txt', 'content');

         file_put_contents('file.txt', 'content_to_append', FILE_APPEND);
     }
 }

JsonDecodeEncodeToNetteUtilsJsonDecodeEncodeRector

Changes json_encode()/json_decode() to safer and more verbose Nette\Utils\Json::encode()/decode() calls

 class SomeClass
 {
     public function decodeJson(string $jsonString)
     {
-        $stdClass = json_decode($jsonString);
+        $stdClass = \Nette\Utils\Json::decode($jsonString);

-        $array = json_decode($jsonString, true);
-        $array = json_decode($jsonString, false);
+        $array = \Nette\Utils\Json::decode($jsonString, \Nette\Utils\Json::FORCE_ARRAY);
+        $array = \Nette\Utils\Json::decode($jsonString);
     }

     public function encodeJson(array $data)
     {
-        $jsonString = json_encode($data);
+        $jsonString = \Nette\Utils\Json::encode($data);

-        $prettyJsonString = json_encode($data, JSON_PRETTY_PRINT);
+        $prettyJsonString = \Nette\Utils\Json::encode($data, \Nette\Utils\Json::PRETTY);
     }
 }

PregFunctionToNetteUtilsStringsRector

Use Nette\Utils\Strings over bare preg_* functions

+use Nette\Utils\Strings;
+
 class SomeClass
 {
     public function run()
     {
         $content = 'Hi my name is Tom';
-        preg_match('#Hi#', $content, $matches);
+        $matches = Strings::match($content, '#Hi#');
     }
 }

SetClassWithArgumentToSetFactoryRector

Change setClass with class and arguments to separated methods

 use Nette\DI\ContainerBuilder;

 class SomeClass
 {
     public function run(ContainerBuilder $containerBuilder)
     {
         $containerBuilder->addDefinition('...')
-            ->setClass('SomeClass', [1, 2]);
+            ->setFactory('SomeClass', [1, 2]);
     }
 }

StartsWithFunctionToNetteUtilsStringsRector

Use Nette\Utils\Strings over bare string-functions

 class SomeClass
 {
     public function start($needle)
     {
         $content = 'Hi, my name is Tom';

-        $yes = substr($content, 0, strlen($needle)) === $needle;
-        $no = $needle !== substr($content, 0, strlen($needle));
+        $yes = \Nette\Utils\Strings::startwith($content, $needle);
+        $no = !\Nette\Utils\Strings::startwith($content, $needle);
     }
 }

StrposToStringsContainsRector

Use Nette\Utils\Strings over bare string-functions

 class SomeClass
 {
     public function run()
     {
         $name = 'Hi, my name is Tom';
-        return strpos($name, 'Hi') !== false;
+        return \Nette\Utils\Strings::contains($name, 'Hi');
     }
 }

SubstrStrlenFunctionToNetteUtilsStringsRector

Use Nette\Utils\Strings over bare string-functions

 class SomeClass
 {
     public function run()
     {
-        return substr($value, 0, 3);
+        return \Nette\Utils\Strings::substring($value, 0, 3);
     }
 }

TemplateMagicAssignToExplicitVariableArrayRector

Change $this->templates->{magic} to $this->template->render(..., $values)

 use Nette\Application\UI\Control;

 class SomeControl extends Control
 {
     public function render()
     {
-        $this->template->param = 'some value';
-        $this->template->render(__DIR__ . '/poll.latte');
+        $this->template->render(__DIR__ . '/poll.latte', ['param' => 'some value']);
     }
 }

NetteTesterToPHPUnit

NetteAssertToPHPUnitAssertRector

Migrate Nette/Assert calls to PHPUnit

 use Tester\Assert;

 function someStaticFunctions()
 {
-    Assert::true(10 == 5);
+    \PHPUnit\Framework\Assert::assertTrue(10 == 5);
 }

NetteTesterClassToPHPUnitClassRector

Migrate Nette Tester test case to PHPUnit

 namespace KdybyTests\Doctrine;

 use Tester\TestCase;
 use Tester\Assert;

-require_once __DIR__ . '/../bootstrap.php';
-
-class ExtensionTest extends TestCase
+class ExtensionTest extends \PHPUnit\Framework\TestCase
 {
     public function testFunctionality()
     {
-        Assert::true($default instanceof Kdyby\Doctrine\EntityManager);
-        Assert::true(5);
-        Assert::same($container->getService('kdyby.doctrine.default.entityManager'), $default);
+        $this->assertInstanceOf(\Kdyby\Doctrine\EntityManager::cllass, $default);
+        $this->assertTrue(5);
+        $this->same($container->getService('kdyby.doctrine.default.entityManager'), $default);
     }
-}
-
-(new \ExtensionTest())->run();
+}

RenameTesterTestToPHPUnitToTestFileRector

Rename "*.phpt" file to "*Test.php" file


NetteToSymfony

DeleteFactoryInterfaceRector

Interface factories are not needed in Symfony. Clear constructor injection is used instead


FormControlToControllerAndFormTypeRector

Change Form that extends Control to Controller and decoupled FormType

-use Nette\Application\UI\Form;
-use Nette\Application\UI\Control;
-
-class SomeForm extends Control
+class SomeFormController extends \Symfony\Bundle\FrameworkBundle\Controller\AbstractController
 {
-	public function createComponentForm()
+	/**
+	 * @Route(...)
+	 */
+	public function actionSomeForm(\Symfony\Component\HttpFoundation\Request $request): \Symfony\Component\HttpFoundation\Response
 	{
-		$form = new Form();
-		$form->addText('name', 'Your name');
+		$form = $this->createForm(SomeFormType::class);
+		$form->handleRequest($request);

-		$form->onSuccess[] = [$this, 'processForm'];
-	}
-
-	public function processForm(Form $form)
-	{
-        // process me
+		if ($form->isSuccess() && $form->isValid()) {
+			// process me
+		}
 	}
 }

FromHttpRequestGetHeaderToHeadersGetRector

Changes getHeader() to $request->headers->get()

 use Nette\Request;

 final class SomeController
 {
     public static function someAction(Request $request)
     {
-        $header = $this->httpRequest->getHeader('x');
+        $header = $request->headers->get('x');
     }
 }

FromRequestGetParameterToAttributesGetRector

Changes "getParameter()" to "attributes->get()" from Nette to Symfony

 use Nette\Request;

 final class SomeController
 {
     public static function someAction(Request $request)
     {
-        $value = $request->getParameter('abz');
+        $value = $request->attribute->get('abz');
     }
 }

NetteControlToSymfonyControllerRector

Migrate Nette Component to Symfony Controller

-use Nette\Application\UI\Control;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\Response;

-class SomeControl extends Control
+class SomeController extends AbstractController
 {
-    public function render()
-    {
-        $this->template->param = 'some value';
-        $this->template->render(__DIR__ . '/poll.latte');
-    }
+     public function some(): Response
+     {
+         return $this->render(__DIR__ . '/poll.latte', ['param' => 'some value']);
+     }
 }

NetteFormToSymfonyFormRector

Migrate Nette\Forms in Presenter to Symfony

 use Nette\Application\UI;

 class SomePresenter extends UI\Presenter
 {
     public function someAction()
     {
-        $form = new UI\Form;
-        $form->addText('name', 'Name:');
-        $form->addPassword('password', 'Password:');
-        $form->addSubmit('login', 'Sign up');
+        $form = $this->createFormBuilder();
+        $form->add('name', \Symfony\Component\Form\Extension\Core\Type\TextType::class, [
+            'label' => 'Name:'
+        ]);
+        $form->add('password', \Symfony\Component\Form\Extension\Core\Type\PasswordType::class, [
+            'label' => 'Password:'
+        ]);
+        $form->add('login', \Symfony\Component\Form\Extension\Core\Type\SubmitType::class, [
+            'label' => 'Sign up'
+        ]);
     }
 }

RenameEventNamesInEventSubscriberRector

Changes event names from Nette ones to Symfony ones

 use Symfony\Component\EventDispatcher\EventSubscriberInterface;

 final class SomeClass implements EventSubscriberInterface
 {
     public static function getSubscribedEvents()
     {
-        return ['nette.application' => 'someMethod'];
+        return [\SymfonyEvents::KERNEL => 'someMethod'];
     }
 }

RouterListToControllerAnnotationsRector

Change new Route() from RouteFactory to @Route annotation above controller method

 final class RouterFactory
 {
     public function create(): RouteList
     {
         $routeList = new RouteList();
+
+        // case of single action controller, usually get() or __invoke() method
         $routeList[] = new Route('some-path', SomePresenter::class);

         return $routeList;
     }
 }

+use Symfony\Component\Routing\Annotation\Route;
+
 final class SomePresenter
 {
+    /**
+     * @Route(path="some-path")
+     */
     public function run()
     {
     }
 }

WrapTransParameterNameRector

Adds %% to placeholder name of trans() method if missing

 use Symfony\Component\Translation\Translator;

 final class SomeController
 {
     public function run()
     {
         $translator = new Translator('');
         $translated = $translator->trans(
             'Hello %name%',
-            ['name' => $name]
+            ['%name%' => $name]
         );
     }
 }

Oxid

OxidReplaceBackwardsCompatabilityClassRector

Replaces deprecated backwards compatability classes with namespaces ones in oxNew

-oxNew("oxcmp_basket");
+oxNew(\OxidEsales\Eshop\Application\Component\BasketComponent::class);

PHPStan

PHPStormVarAnnotationRector

Change various @var annotation formats to one PHPStorm understands

-$config = 5;
-/** @var \Shopsys\FrameworkBundle\Model\Product\Filter\ProductFilterConfig $config */
+/** @var \Shopsys\FrameworkBundle\Model\Product\Filter\ProductFilterConfig $config */
+$config = 5;

RecastingRemovalRector

Removes recasting of the same type

 $string = '';
-$string = (string) $string;
+$string = $string;

 $array = [];
-$array = (array) $array;
+$array = $array;

RemoveNonExistingVarAnnotationRector

Removes non-existing @var annotations above the code

 class SomeClass
 {
     public function get()
     {
-        /** @var Training[] $trainings */
         return $this->getData();
     }
 }

PHPUnit

AddDoesNotPerformAssertionToNonAssertingTestRector

Tests without assertion will have @doesNotPerformAssertion

 class SomeClass extends PHPUnit\Framework\TestCase
 {
+    /**
+     * @doesNotPerformAssertion
+     */
     public function test()
     {
         $nothing = 5;
     }
 }

AddSeeTestAnnotationRector

Add @see annotation test of the class for faster jump to test. Make it FQN, so it stays in the annotation, not in the PHP source code.

+/**
+ * @see \SomeServiceTest
+ */
 class SomeService
 {
 }

 use PHPUnit\Framework\TestCase;

 class SomeServiceTest extends TestCase
 {
 }

ArrayArgumentInTestToDataProviderRector

Move array argument from tests into data provider [configurable]

services:
    Rector\PHPUnit\Rector\Class_\ArrayArgumentInTestToDataProviderRector:
        $configuration:
            -
                class: PHPUnit\Framework\TestCase
                old_method: doTestMultiple
                new_method: doTestSingle
                variable_name: number

↓

 use PHPUnit\Framework\TestCase;

 class SomeServiceTest extends TestCase
 {
-    public function test()
+    /**
+     * @dataProvider provideData()
+     */
+    public function test(int $number)
     {
-        $this->doTestMultiple([1, 2, 3]);
+        $this->doTestSingle($number);
+    }
+
+    public function provideData(): \Iterator
+    {
+        yield [1];
+        yield [2];
+        yield [3];
     }
 }

AssertCompareToSpecificMethodRector

Turns vague php-only method in PHPUnit TestCase to more specific

-$this->assertSame(10, count($anything), "message");
+$this->assertCount(10, $anything, "message");

-$this->assertNotEquals(get_class($value), stdClass::class);
+$this->assertNotInstanceOf(stdClass::class, $value);

AssertComparisonToSpecificMethodRector

Turns comparison operations to their method name alternatives in PHPUnit TestCase

-$this->assertTrue($foo === $bar, "message");
+$this->assertSame($bar, $foo, "message");

-$this->assertFalse($foo >= $bar, "message");
+$this->assertLessThanOrEqual($bar, $foo, "message");

AssertEqualsParameterToSpecificMethodsTypeRector

Change assertEquals()/assertNotEquals() method parameters to new specific alternatives

 final class SomeTest extends \PHPUnit\Framework\TestCase
 {
     public function test()
     {
         $value = 'value';
-        $this->assertEquals('string', $value, 'message', 5.0);
+        $this->assertEqualsWithDelta('string', $value, 5.0, 'message');

-        $this->assertEquals('string', $value, 'message', 0.0, 20);
+        $this->assertEquals('string', $value, 'message', 0.0);

-        $this->assertEquals('string', $value, 'message', 0.0, 10, true);
+        $this->assertEqualsCanonicalizing('string', $value, 'message');

-        $this->assertEquals('string', $value, 'message', 0.0, 10, false, true);
+        $this->assertEqualsIgnoringCase('string', $value, 'message');
     }
 }

AssertFalseStrposToContainsRector

Turns strpos/stripos comparisons to their method name alternatives in PHPUnit TestCase

-$this->assertFalse(strpos($anything, "foo"), "message");
+$this->assertNotContains("foo", $anything, "message");

-$this->assertNotFalse(stripos($anything, "foo"), "message");
+$this->assertContains("foo", $anything, "message");

AssertInstanceOfComparisonRector

Turns instanceof comparisons to their method name alternatives in PHPUnit TestCase

-$this->assertTrue($foo instanceof Foo, "message");
+$this->assertInstanceOf("Foo", $foo, "message");

-$this->assertFalse($foo instanceof Foo, "message");
+$this->assertNotInstanceOf("Foo", $foo, "message");

AssertIssetToSpecificMethodRector

Turns isset comparisons to their method name alternatives in PHPUnit TestCase

-$this->assertTrue(isset($anything->foo));
+$this->assertObjectHasAttribute("foo", $anything);

-$this->assertFalse(isset($anything["foo"]), "message");
+$this->assertArrayNotHasKey("foo", $anything, "message");

AssertNotOperatorRector

Turns not-operator comparisons to their method name alternatives in PHPUnit TestCase

-$this->assertTrue(!$foo, "message");
+$this->assertFalse($foo, "message");

-$this->assertFalse(!$foo, "message");
+$this->assertTrue($foo, "message");

AssertPropertyExistsRector

Turns property_exists comparisons to their method name alternatives in PHPUnit TestCase

-$this->assertTrue(property_exists(new Class, "property"), "message");
+$this->assertClassHasAttribute("property", "Class", "message");

-$this->assertFalse(property_exists(new Class, "property"), "message");
+$this->assertClassNotHasAttribute("property", "Class", "message");

AssertRegExpRector

Turns preg_match comparisons to their method name alternatives in PHPUnit TestCase

-$this->assertSame(1, preg_match("/^Message for ".*"\.$/", $string), $message);
+$this->assertRegExp("/^Message for ".*"\.$/", $string, $message);

-$this->assertEquals(false, preg_match("/^Message for ".*"\.$/", $string), $message);
+$this->assertNotRegExp("/^Message for ".*"\.$/", $string, $message);

AssertSameBoolNullToSpecificMethodRector

Turns same bool and null comparisons to their method name alternatives in PHPUnit TestCase

-$this->assertSame(null, $anything);
+$this->assertNull($anything);

-$this->assertNotSame(false, $anything);
+$this->assertNotFalse($anything);

AssertTrueFalseInternalTypeToSpecificMethodRector

Turns true/false with internal type comparisons to their method name alternatives in PHPUnit TestCase

-$this->assertTrue(is_{internal_type}($anything), "message");
+$this->assertInternalType({internal_type}, $anything, "message");

-$this->assertFalse(is_{internal_type}($anything), "message");
+$this->assertNotInternalType({internal_type}, $anything, "message");

AssertTrueFalseToSpecificMethodRector

Turns true/false comparisons to their method name alternatives in PHPUnit TestCase when possible

-$this->assertTrue(is_readable($readmeFile), "message");
+$this->assertIsReadable($readmeFile, "message");

DelegateExceptionArgumentsRector

Takes setExpectedException() 2nd and next arguments to own methods in PHPUnit.

-$this->setExpectedException(Exception::class, "Message", "CODE");
+$this->setExpectedException(Exception::class);
+$this->expectExceptionMessage("Message");
+$this->expectExceptionCode("CODE");

EnsureDataProviderInDocBlockRector

Data provider annotation must be in doc block

 class SomeClass extends PHPUnit\Framework\TestCase
 {
-    /*
+    /**
      * @dataProvider testProvideData()
      */
     public function test()
     {
         $nothing = 5;
     }
 }

ExceptionAnnotationRector

Takes setExpectedException() 2nd and next arguments to own methods in PHPUnit.

-/**
- * @expectedException Exception
- * @expectedExceptionMessage Message
- */
 public function test()
 {
+    $this->expectException('Exception');
+    $this->expectExceptionMessage('Message');
     // tested code
 }

ExplicitPhpErrorApiRector

Use explicit API for expecting PHP errors, warnings, and notices

 final class SomeTest extends \PHPUnit\Framework\TestCase
 {
     public function test()
     {
-        $this->expectException(\PHPUnit\Framework\TestCase\Deprecated::class);
-        $this->expectException(\PHPUnit\Framework\TestCase\Error::class);
-        $this->expectException(\PHPUnit\Framework\TestCase\Notice::class);
-        $this->expectException(\PHPUnit\Framework\TestCase\Warning::class);
+        $this->expectDeprecation();
+        $this->expectError();
+        $this->expectNotice();
+        $this->expectWarning();
     }
 }

FixDataProviderAnnotationTypoRector

Fix data provider annotation typos

 class SomeClass extends \PHPUnit\Framework\TestCase
 {
     /**
-     * @dataProvidor testProvideData()
+     * @dataProvider testProvideData()
      */
     public function test()
     {
         $nothing = 5;
     }
 }

GetMockBuilderGetMockToCreateMockRector

Remove getMockBuilder() to createMock()

 class SomeTest extends \PHPUnit\Framework\TestCase
 {
     public function test()
     {
-        $applicationMock = $this->getMockBuilder('SomeClass')
-           ->disableOriginalConstructor()
-           ->getMock();
+        $applicationMock = $this->createMock('SomeClass');
     }
 }

GetMockRector

Turns getMock*() methods to createMock()

-$this->getMock("Class");
+$this->createMock("Class");

-$this->getMockWithoutInvokingTheOriginalConstructor("Class");
+$this->createMock("Class");

RemoveDataProviderTestPrefixRector

Data provider methods cannot start with "test" prefix

 class SomeClass extends PHPUnit\Framework\TestCase
 {
     /**
-     * @dataProvider testProvideData()
+     * @dataProvider provideData()
      */
     public function test()
     {
         $nothing = 5;
     }

-    public function testProvideData()
+    public function provideData()
     {
         return ['123'];
     }
 }

RemoveEmptyTestMethodRector

Remove empty test methods

 class SomeTest extends \PHPUnit\Framework\TestCase
 {
-    /**
-     * testGetTranslatedModelField method
-     *
-     * @return void
-     */
-    public function testGetTranslatedModelField()
-    {
-    }
 }

RemoveExpectAnyFromMockRector

Remove expect($this->any()) from mocks as it has no added value

 use PHPUnit\Framework\TestCase;

 class SomeClass extends TestCase
 {
     public function test()
     {
         $translator = $this->getMock('SomeClass');
-        $translator->expects($this->any())
-            ->method('trans')
+        $translator->method('trans')
             ->willReturn('translated max {{ max }}!');
     }
 }

ReplaceAssertArraySubsetRector

Replace deprecated "assertArraySubset()" method with alternative methods

 class SomeTest extends \PHPUnit\Framework\TestCase
 {
     public function test()
     {
         $checkedArray = [];

-        $this->assertArraySubset([
-           'cache_directory' => 'new_value',
-        ], $checkedArray);
+        $this->assertArrayHasKey('cache_directory', $checkedArray);
+        $this->assertSame('new_value', $checkedArray['cache_directory']);
     }
 }

ReplaceAssertArraySubsetWithDmsPolyfillRector

Change assertArraySubset() to static call of DMS\PHPUnitExtensions\ArraySubset\Assert

 use PHPUnit\Framework\TestCase;

 class SomeClass extends TestCase
 {
     public function test()
     {
-        self::assertArraySubset(['bar' => 0], ['bar' => '0'], true);
+        \DMS\PHPUnitExtensions\ArraySubset\Assert::assertArraySubset(['bar' => 0], ['bar' => '0'], true);

-        $this->assertArraySubset(['bar' => 0], ['bar' => '0'], true);
+        \DMS\PHPUnitExtensions\ArraySubset\Assert::assertArraySubset(['bar' => 0], ['bar' => '0'], true);
     }
 }

SelfContainerGetMethodCallFromTestToInjectPropertyRector

Change $container->get() calls in PHPUnit to @inject properties autowired by jakzal/phpunit-injector

 use PHPUnit\Framework\TestCase;
 class SomeClassTest extends TestCase {
+    /**
+     * @var SomeService
+     * @inject
+     */
+    private $someService;
     public function test()
     {
-        $someService = $this->getContainer()->get(SomeService::class);
+        $someService = $this->someService;
     }
 }
 class SomeService { }

SimplifyForeachInstanceOfRector

Simplify unnecessary foreach check of instances

-foreach ($foos as $foo) {
-    $this->assertInstanceOf(\SplFileInfo::class, $foo);
-}
+$this->assertContainsOnlyInstancesOf(\SplFileInfo::class, $foos);

SpecificAssertContainsRector

Change assertContains()/assertNotContains() method to new string and iterable alternatives

 <?php

 final class SomeTest extends \PHPUnit\Framework\TestCase
 {
     public function test()
     {
-        $this->assertContains('foo', 'foo bar');
-        $this->assertNotContains('foo', 'foo bar');
+        $this->assertStringContainsString('foo', 'foo bar');
+        $this->assertStringNotContainsString('foo', 'foo bar');
     }
 }

SpecificAssertInternalTypeRector

Change assertInternalType()/assertNotInternalType() method to new specific alternatives

 final class SomeTest extends \PHPUnit\Framework\TestCase
 {
     public function test()
     {
         $value = 'value';
-        $this->assertInternalType('string', $value);
-        $this->assertNotInternalType('array', $value);
+        $this->assertIsString($value);
+        $this->assertIsNotArray($value);
     }
 }

TestListenerToHooksRector

Refactor "*TestListener.php" to particular "*Hook.php" files

 namespace App\Tests;

-use PHPUnit\Framework\TestListener;
-
-final class BeforeListHook implements TestListener
+final class BeforeListHook implements \PHPUnit\Runner\BeforeTestHook, \PHPUnit\Runner\AfterTestHook
 {
-    public function addError(Test $test, \Throwable $t, float $time): void
+    public function executeBeforeTest(Test $test): void
     {
-    }
-
-    public function addWarning(Test $test, Warning $e, float $time): void
-    {
-    }
-
-    public function addFailure(Test $test, AssertionFailedError $e, float $time): void
-    {
-    }
-
-    public function addIncompleteTest(Test $test, \Throwable $t, float $time): void
-    {
-    }
-
-    public function addRiskyTest(Test $test, \Throwable $t, float $time): void
-    {
-    }
-
-    public function addSkippedTest(Test $test, \Throwable $t, float $time): void
-    {
-    }
-
-    public function startTestSuite(TestSuite $suite): void
-    {
-    }
-
-    public function endTestSuite(TestSuite $suite): void
-    {
-    }
-
-    public function startTest(Test $test): void
-    {
         echo 'start test!';
     }

-    public function endTest(Test $test, float $time): void
+    public function executeAfterTest(Test $test, float $time): void
     {
         echo $time;
     }
 }

TryCatchToExpectExceptionRector

Turns try/catch to expectException() call

-try {
-	$someService->run();
-} catch (Throwable $exception) {
-    $this->assertInstanceOf(RuntimeException::class, $e);
-    $this->assertContains('There was an error executing the following script', $e->getMessage());
-}
+$this->expectException(RuntimeException::class);
+$this->expectExceptionMessage('There was an error executing the following script');
+$someService->run();

UseSpecificWillMethodRector

Changes ->will($this->xxx()) to one specific method

 class SomeClass extends PHPUnit\Framework\TestCase
 {
     public function test()
     {
         $translator = $this->getMockBuilder('Symfony\Component\Translation\TranslatorInterface')->getMock();
         $translator->expects($this->any())
             ->method('trans')
-            ->with($this->equalTo('old max {{ max }}!'))
-            ->will($this->returnValue('translated max {{ max }}!'));
+            ->with('old max {{ max }}!')
+            ->willReturnValue('translated max {{ max }}!');
     }
 }

WithConsecutiveArgToArrayRector

Split withConsecutive() arg to array

 class SomeClass
 {
     public function run($one, $two)
     {
     }
 }

 class SomeTestCase extends \PHPUnit\Framework\TestCase
 {
     public function test()
     {
         $someClassMock = $this->createMock(SomeClass::class);
         $someClassMock
             ->expects($this->exactly(2))
             ->method('run')
-            ->withConsecutive(1, 2, 3, 5);
+            ->withConsecutive([1, 2], [3, 5]);
     }
 }

PHPUnitSymfony

AddMessageToEqualsResponseCodeRector

Add response content to response code assert, so it is easier to debug

 use PHPUnit\Framework\TestCase;
 use Symfony\Component\HttpFoundation\Response;

 final class SomeClassTest extends TestCase
 {
     public function test(Response $response)
     {
         $this->assertEquals(
             Response::HTTP_NO_CONTENT,
             $response->getStatusCode()
+            $response->getContent()
         );
     }
 }

PSR4

NormalizeNamespaceByPSR4ComposerAutoloadRector

Changes namespace and class names to match PSR-4 in composer.json autoload section


Phalcon

AddRequestToHandleMethodCallRector

Add $_SERVER REQUEST_URI to method call

 class SomeClass {
     public function run($di)
     {
         $application = new \Phalcon\Mvc\Application();
-        $response = $application->handle();
+        $response = $application->handle($_SERVER["REQUEST_URI"]);
     }
 }

DecoupleSaveMethodCallWithArgumentToAssignRector

Decouple Phalcon\Mvc\Model::save() with argument to assign()

 class SomeClass
 {
     public function run(\Phalcon\Mvc\Model $model, $data)
     {
-        $model->save($data);
+        $model->save();
+        $model->assign($data);
     }
 }

FlashWithCssClassesToExtraCallRector

Add $cssClasses in Flash to separated method call

 class SomeClass {
     public function run()
     {
         $cssClasses = [];
-        $flash = new Phalcon\Flash($cssClasses);
+        $flash = new Phalcon\Flash();
+        $flash->setCssClasses($cssClasses);
     }
 }

NewApplicationToToFactoryWithDefaultContainerRector

Change new application to default factory with application

 class SomeClass
 {
     public function run($di)
     {
-        $application = new \Phalcon\Mvc\Application($di);
+        $container = new \Phalcon\Di\FactoryDefault();
+        $application = new \Phalcon\Mvc\Application($container);

-        $response = $application->handle();
+        $response = $application->handle($_SERVER["REQUEST_URI"]);
     }
 }

Php52

ContinueToBreakInSwitchRector

Use break instead of continue in switch statements

 function some_run($value)
 {
     switch ($value) {
         case 1:
             echo 'Hi';
-            continue;
+            break;
         case 2:
             echo 'Hello';
             break;
     }
 }

VarToPublicPropertyRector

Remove unused private method

 final class SomeController
 {
-    var $name = 'Tom';
+    public $name = 'Tom';
 }

Php53

DirNameFileConstantToDirConstantRector

Convert dirname(FILE) to DIR

 class SomeClass
 {
     public function run()
     {
-        return dirname(__FILE__);
+        return __DIR__;
     }
 }

TernaryToElvisRector

Use ?: instead of ?, where useful

 function elvis()
 {
-    $value = $a ? $a : false;
+    $value = $a ?: false;
 }

Php54

RemoveReferenceFromCallRector

Remove & from function and method calls

 final class SomeClass
 {
     public function run($one)
     {
-        return strlen(&$one);
+        return strlen($one);
     }
 }

RemoveZeroBreakContinueRector

Remove 0 from break and continue

 class SomeClass
 {
     public function run($random)
     {
-        continue 0;
-        break 0;
+        continue;
+        break;

         $five = 5;
-        continue $five;
+        continue 5;

-        break $random;
+        break;
     }
 }

Php55

PregReplaceEModifierRector

The /e modifier is no longer supported, use preg_replace_callback instead

 class SomeClass
 {
     public function run()
     {
-        $comment = preg_replace('~\b(\w)(\w+)~e', '"$1".strtolower("$2")', $comment);
+        $comment = preg_replace_callback('~\b(\w)(\w+)~', function ($matches) {
+              return($matches[1].strtolower($matches[2]));
+        }, , $comment);
     }
 }

StringClassNameToClassConstantRector

Replace string class names by ::class constant

 class AnotherClass
 {
 }

 class SomeClass
 {
     public function run()
     {
-        return 'AnotherClass';
+        return \AnotherClass::class;
     }
 }

Php56

AddDefaultValueForUndefinedVariableRector

Adds default value for undefined variable

 class SomeClass
 {
     public function run()
     {
+        $a = null;
         if (rand(0, 1)) {
             $a = 5;
         }
         echo $a;
     }
 }

PowToExpRector

Changes pow(val, val2) to ** (exp) parameter

-pow(1, 2);
+1**2;

Php70

BreakNotInLoopOrSwitchToReturnRector

Convert break outside for/foreach/switch context to return

 class SomeClass
 {
     public function run()
     {
         $zhrs = abs($gmt)/3600;
         $hrs = floor($zhrs);
         if ($isphp5)
             return sprintf('%s%02d%02d',($gmt<=0)?'+':'-',floor($zhrs),($zhrs-$hrs)*60);
         else
             return sprintf('%s%02d%02d',($gmt<0)?'+':'-',floor($zhrs),($zhrs-$hrs)*60);
-        break;
+        return;
     }
 }

CallUserMethodRector

Changes call_user_method()/call_user_method_array() to call_user_func()/call_user_func_array()

-call_user_method($method, $obj, "arg1", "arg2");
+call_user_func(array(&$obj, "method"), "arg1", "arg2");

EmptyListRector

list() cannot be empty

-'list() = $values;'
+'list($unusedGenerated) = $values;'

EregToPregMatchRector

Changes ereg*() to preg*() calls

-ereg("hi")
+preg_match("#hi#");

ExceptionHandlerTypehintRector

Changes property @var annotations from annotation to type.

-function handler(Exception $exception) { ... }
+function handler(Throwable $exception) { ... }
 set_exception_handler('handler');

IfToSpaceshipRector

Changes if/else to spaceship <=> where useful

 class SomeClass
 {
     public function run()
     {
         usort($languages, function ($a, $b) {
-            if ($a[0] === $b[0]) {
-                return 0;
-            }
-
-            return ($a[0] < $b[0]) ? 1 : -1;
+            return $b[0] <=> $a[0];
         });
     }
 }

ListSplitStringRector

list() cannot split string directly anymore, use str_split()

-list($foo) = "string";
+list($foo) = str_split("string");

ListSwapArrayOrderRector

list() assigns variables in reverse order - relevant in array assign

-list($a[], $a[]) = [1, 2];
+list($a[], $a[]) = array_reverse([1, 2]);

MultiDirnameRector

Changes multiple dirname() calls to one with nesting level

-dirname(dirname($path));
+dirname($path, 2);

NonVariableToVariableOnFunctionCallRector

Transform non variable like arguments to variable where a function or method expects an argument passed by reference

-reset(a());
+$a = a(); reset($a);

Php4ConstructorRector

Changes PHP 4 style constructor to __construct.

 class SomeClass
 {
-    public function SomeClass()
+    public function __construct()
     {
     }
 }

RandomFunctionRector

Changes rand, srand and getrandmax by new mt_* alternatives.

-rand();
+mt_rand();

ReduceMultipleDefaultSwitchRector

Remove first default switch, that is ignored

 switch ($expr) {
     default:
-         echo "Hello World";
-
-    default:
          echo "Goodbye Moon!";
          break;
 }

RenameMktimeWithoutArgsToTimeRector

 class SomeClass
 {
     public function run()
     {
         $time = mktime(1, 2, 3);
-        $nextTime = mktime();
+        $nextTime = time();
     }
 }

StaticCallOnNonStaticToInstanceCallRector

Changes static call to instance call, where not useful

 class Something
 {
     public function doWork()
     {
     }
 }

 class Another
 {
     public function run()
     {
-        return Something::doWork();
+        return (new Something)->doWork();
     }
 }

TernaryToNullCoalescingRector

Changes unneeded null check to ?? operator

-$value === null ? 10 : $value;
+$value ?? 10;

-isset($value) ? $value : 10;
+$value ?? 10;

TernaryToSpaceshipRector

Use <=> spaceship instead of ternary with same effect

 function order_func($a, $b) {
-    return ($a < $b) ? -1 : (($a > $b) ? 1 : 0);
+    return $a <=> $b;
 }

ThisCallOnStaticMethodToStaticCallRector

Changes $this->call() to static method to static call

 class SomeClass
 {
     public static function run()
     {
-        $this->eat();
+        self::eat();
     }

     public static function eat()
     {
     }
 }

Php71

AssignArrayToStringRector

String cannot be turned into array by assignment anymore

-$string = '';
+$string = [];
 $string[] = 1;

BinaryOpBetweenNumberAndStringRector

Change binary operation between some number + string to PHP 7.1 compatible version

 class SomeClass
 {
     public function run()
     {
-        $value = 5 + '';
-        $value = 5.0 + 'hi';
+        $value = 5 + 0;
+        $value = 5.0 + 0
     }
 }

CountOnNullRector

Changes count() on null to safe ternary check

 $values = null;
-$count = count($values);
+$count = is_array($values) || $values instanceof Countable ? count($values) : 0;

IsIterableRector

Changes is_array + Traversable check to is_iterable

-is_array($foo) || $foo instanceof Traversable;
+is_iterable($foo);

ListToArrayDestructRector

Remove & from new &X

 class SomeClass
 {
     public function run()
     {
-        list($id1, $name1) = $data;
+        [$id1, $name1] = $data;

-        foreach ($data as list($id, $name)) {
+        foreach ($data as [$id, $name]) {
         }
     }
 }

MultiExceptionCatchRector

Changes multi catch of same exception to single one | separated.

 try {
    // Some code...
-} catch (ExceptionType1 $exception) {
-   $sameCode;
-} catch (ExceptionType2 $exception) {
+} catch (ExceptionType1 | ExceptionType2 $exception) {
    $sameCode;
 }

PublicConstantVisibilityRector

Add explicit public constant visibility.

 class SomeClass
 {
-    const HEY = 'you';
+    public const HEY = 'you';
 }

RemoveExtraParametersRector

Remove extra parameters

-strlen("asdf", 1);
+strlen("asdf");

ReservedObjectRector

Changes reserved "Object" name to "Object" where can be configured

-class Object
+class SmartObject
 {
 }

Php72

BarewordStringRector

Changes unquoted non-existing constants to strings

-var_dump(VAR);
+var_dump("VAR");

CreateFunctionToAnonymousFunctionRector

Use anonymous functions instead of deprecated create_function()

 class ClassWithCreateFunction
 {
     public function run()
     {
-        $callable = create_function('$matches', "return '$delimiter' . strtolower(\$matches[1]);");
+        $callable = function($matches) use ($delimiter) {
+            return $delimiter . strtolower($matches[1]);
+        };
     }
 }

GetClassOnNullRector

Null is no more allowed in get_class()

 final class SomeClass
 {
     public function getItem()
     {
         $value = null;
-        return get_class($value);
+        return $value !== null ? get_class($value) : self::class;
     }
 }

IsObjectOnIncompleteClassRector

Incomplete class returns inverted bool on is_object()

 $incompleteObject = new __PHP_Incomplete_Class;
-$isObject = is_object($incompleteObject);
+$isObject = ! is_object($incompleteObject);

ListEachRector

each() function is deprecated, use key() and current() instead

-list($key, $callback) = each($callbacks);
+$key = key($opt->option);
+$val = current($opt->option);

ParseStrWithResultArgumentRector

Use $result argument in parse_str() function

-parse_str($this->query);
-$data = get_defined_vars();
+parse_str($this->query, $result);
+$data = $result;

StringifyDefineRector

Make first argument of define() string

 class SomeClass
 {
     public function run(int $a)
     {
-         define(CONSTANT_2, 'value');
+         define('CONSTANT_2', 'value');
          define('CONSTANT', 'value');
     }
 }

StringsAssertNakedRector

String asserts must be passed directly to assert()

 function nakedAssert()
 {
-    assert('true === true');
-    assert("true === true");
+    assert(true === true);
+    assert(true === true);
 }

UnsetCastRector

Removes (unset) cast

-$different = (unset) $value;
+$different = null;

-$value = (unset) $value;
+unset($value);

WhileEachToForeachRector

each() function is deprecated, use foreach() instead.

-while (list($key, $callback) = each($callbacks)) {
+foreach ($callbacks as $key => $callback) {
     // ...
 }

-while (list($key) = each($callbacks)) {
+foreach (array_keys($callbacks) as $key) {
     // ...
 }

Php73

ArrayKeyFirstLastRector

Make use of array_key_first() and array_key_last()

-reset($items);
-$firstKey = key($items);
+$firstKey = array_key_first($items);

-end($items);
-$lastKey = key($items);
+$lastKey = array_key_last($items);

IsCountableRector

Changes is_array + Countable check to is_countable

-is_array($foo) || $foo instanceof Countable;
+is_countable($foo);

JsonThrowOnErrorRector

Adds JSON_THROW_ON_ERROR to json_encode() and json_decode() to throw JsonException on error

-json_encode($content);
-json_decode($json);
+json_encode($content, JSON_THROW_ON_ERROR);
+json_decode($json, null, null, JSON_THROW_ON_ERROR);

RegexDashEscapeRector

Escape - in some cases

-preg_match("#[\w-()]#", 'some text');
+preg_match("#[\w\-()]#", 'some text');

RemoveMissingCompactVariableRector

Remove non-existing vars from compact()

 class SomeClass
 {
     public function run()
     {
         $value = 'yes';

-        compact('value', 'non_existing');
+        compact('value');
     }
 }

SensitiveConstantNameRector

Changes case insensitive constants to sensitive ones.

 define('FOO', 42, true);
 var_dump(FOO);
-var_dump(foo);
+var_dump(FOO);

SensitiveDefineRector

Changes case insensitive constants to sensitive ones.

-define('FOO', 42, true);
+define('FOO', 42);

SensitiveHereNowDocRector

Changes heredoc/nowdoc that contains closing word to safe wrapper name

-$value = <<<A
+$value = <<<A_WRAP
     A
-A
+A_WRAP

SetcookieRector

Convert setcookie argument to PHP7.3 option array

-setcookie('name', $value, 360);
+setcookie('name', $value, ['expires' => 360]);

-setcookie('name', $name, 0, '', '', true, true);
+setcookie('name', $name, ['expires' => 0, 'path' => '', 'domain' => '', 'secure' => true, 'httponly' => true]);

StringifyStrNeedlesRector

Makes needles explicit strings

 $needle = 5;
-$fivePosition = strpos('725', $needle);
+$fivePosition = strpos('725', (string) $needle);

Php74

AddLiteralSeparatorToNumberRector

Add "_" as thousands separator in numbers

 class SomeClass
 {
     public function run()
     {
-        $int = 1000;
-        $float = 1000500.001;
+        $int = 1_000;
+        $float = 1_000_500.001;
     }
 }

ArrayKeyExistsOnPropertyRector

Change array_key_exists() on property to property_exists()

 class SomeClass {
      public $value;
 }
 $someClass = new SomeClass;

-array_key_exists('value', $someClass);
+property_exists($someClass, 'value');

ArraySpreadInsteadOfArrayMergeRector

Change array_merge() to spread operator, except values with possible string key values

 class SomeClass
 {
     public function run($iter1, $iter2)
     {
-        $values = array_merge(iterator_to_array($iter1), iterator_to_array($iter2));
+        $values = [...$iter1, ...$iter2];

         // Or to generalize to all iterables
-        $anotherValues = array_merge(
-            is_array($iter1) ? $iter1 : iterator_to_array($iter1),
-            is_array($iter2) ? $iter2 : iterator_to_array($iter2)
-        );
+        $anotherValues = [...$iter1, ...$iter2];
     }
 }

ChangeReflectionTypeToStringToGetNameRector

Change string calls on ReflectionType

 class SomeClass
 {
     public function go(ReflectionFunction $reflectionFunction)
     {
         $parameterReflection = $reflectionFunction->getParameters()[0];

-        $paramType = (string) $parameterReflection->getType();
+        $paramType = (string) ($parameterReflection->getType() ? $parameterReflection->getType()->getName() : null);

-        $stringValue = 'hey' . $reflectionFunction->getReturnType();
+        $stringValue = 'hey' . ($reflectionFunction->getReturnType() ? $reflectionFunction->getReturnType()->getName() : null);

         // keep
         return $reflectionFunction->getReturnType();
     }
 }

ClassConstantToSelfClassRector

Change CLASS to self::class

 class SomeClass
 {
    public function callOnMe()
    {
-       var_dump(__CLASS__);
+       var_dump(self::class);
    }
 }

ClosureToArrowFunctionRector

Change closure to arrow function

 class SomeClass
 {
     public function run($meetups)
     {
-        return array_filter($meetups, function (Meetup $meetup) {
-            return is_object($meetup);
-        });
+        return array_filter($meetups, fn(Meetup $meetup) => is_object($meetup));
     }
 }

ExportToReflectionFunctionRector

Change export() to ReflectionFunction alternatives

-$reflectionFunction = ReflectionFunction::export('foo');
-$reflectionFunctionAsString = ReflectionFunction::export('foo', true);
+$reflectionFunction = new ReflectionFunction('foo');
+$reflectionFunctionAsString = (string) new ReflectionFunction('foo');

FilterVarToAddSlashesRector

Change filter_var() with slash escaping to addslashes()

 $var= "Satya's here!";
-filter_var($var, FILTER_SANITIZE_MAGIC_QUOTES);
+addslashes($var);

GetCalledClassToStaticClassRector

Change CLASS to self::class

 class SomeClass
 {
    public function callOnMe()
    {
-       var_dump(get_called_class());
+       var_dump(static::class);
    }
 }

MbStrrposEncodingArgumentPositionRector

Change mb_strrpos() encoding argument position

-mb_strrpos($text, "abc", "UTF-8");
+mb_strrpos($text, "abc", 0, "UTF-8");

NullCoalescingOperatorRector

Use null coalescing operator ??=

 $array = [];
-$array['user_id'] = $array['user_id'] ?? 'value';
+$array['user_id'] ??= 'value';

RealToFloatTypeCastRector

Change deprecated (real) to (float)

 class SomeClass
 {
     public function run()
     {
-        $number = (real) 5;
+        $number = (float) 5;
         $number = (float) 5;
         $number = (double) 5;
     }
 }

ReservedFnFunctionRector

Change fn() function name, since it will be reserved keyword

 class SomeClass
 {
     public function run()
     {
-        function fn($value)
+        function f($value)
         {
             return $value;
         }

-        fn(5);
+        f(5);
     }
 }

TypedPropertyRector

Changes property @var annotations from annotation to type.

 final class SomeClass
 {
-    /**
-     * @var int
-     */
-    private count;
+    private int count;
 }

Php80

UnionTypesRector

Change docs types to union types, where possible (properties are covered by TypedPropertiesRector)

 class SomeClass {
     /**
      * @param array|int $number
      * @return bool|float
      */
-    public function go($number)
+    public function go(array|int $number): bool|float
     {
     }
 }

PhpDeglobalize

ChangeGlobalVariablesToPropertiesRector

Change global $variables to private properties

 class SomeClass
 {
+    private $variable;
     public function go()
     {
-        global $variable;
-        $variable = 5;
+        $this->variable = 5;
     }

     public function run()
     {
-        global $variable;
-        var_dump($variable);
+        var_dump($this->variable);
     }
 }

PhpSpecToPHPUnit

AddMockPropertiesRector

Migrate PhpSpec behavior to PHPUnit test

 namespace spec\SomeNamespaceForThisTest;

-use PhpSpec\ObjectBehavior;
-
 class OrderSpec extends ObjectBehavior
 {
-    public function let(OrderFactory $factory, ShippingMethod $shippingMethod)
+    /**
+     * @var \SomeNamespaceForThisTest\Order
+     */
+    private $order;
+    protected function setUp()
     {
-        $factory->createShippingMethodFor(Argument::any())->shouldBeCalled()->willReturn($shippingMethod);
+        /** @var OrderFactory|\PHPUnit\Framework\MockObject\MockObject $factory */
+        $factory = $this->createMock(OrderFactory::class);
+
+        /** @var ShippingMethod|\PHPUnit\Framework\MockObject\MockObject $shippingMethod */
+        $shippingMethod = $this->createMock(ShippingMethod::class);
+
+        $factory->expects($this->once())->method('createShippingMethodFor')->willReturn($shippingMethod);
     }
 }

MockVariableToPropertyFetchRector

Migrate PhpSpec behavior to PHPUnit test

 namespace spec\SomeNamespaceForThisTest;

-use PhpSpec\ObjectBehavior;
-
 class OrderSpec extends ObjectBehavior
 {
-    public function let(OrderFactory $factory, ShippingMethod $shippingMethod)
+    /**
+     * @var \SomeNamespaceForThisTest\Order
+     */
+    private $order;
+    protected function setUp()
     {
-        $factory->createShippingMethodFor(Argument::any())->shouldBeCalled()->willReturn($shippingMethod);
+        /** @var OrderFactory|\PHPUnit\Framework\MockObject\MockObject $factory */
+        $factory = $this->createMock(OrderFactory::class);
+
+        /** @var ShippingMethod|\PHPUnit\Framework\MockObject\MockObject $shippingMethod */
+        $shippingMethod = $this->createMock(ShippingMethod::class);
+
+        $factory->expects($this->once())->method('createShippingMethodFor')->willReturn($shippingMethod);
     }
 }

PhpSpecClassToPHPUnitClassRector

Migrate PhpSpec behavior to PHPUnit test

 namespace spec\SomeNamespaceForThisTest;

-use PhpSpec\ObjectBehavior;
-
 class OrderSpec extends ObjectBehavior
 {
-    public function let(OrderFactory $factory, ShippingMethod $shippingMethod)
+    /**
+     * @var \SomeNamespaceForThisTest\Order
+     */
+    private $order;
+    protected function setUp()
     {
-        $factory->createShippingMethodFor(Argument::any())->shouldBeCalled()->willReturn($shippingMethod);
+        /** @var OrderFactory|\PHPUnit\Framework\MockObject\MockObject $factory */
+        $factory = $this->createMock(OrderFactory::class);
+
+        /** @var ShippingMethod|\PHPUnit\Framework\MockObject\MockObject $shippingMethod */
+        $shippingMethod = $this->createMock(ShippingMethod::class);
+
+        $factory->expects($this->once())->method('createShippingMethodFor')->willReturn($shippingMethod);
     }
 }

PhpSpecMethodToPHPUnitMethodRector

Migrate PhpSpec behavior to PHPUnit test

 namespace spec\SomeNamespaceForThisTest;

-use PhpSpec\ObjectBehavior;
-
 class OrderSpec extends ObjectBehavior
 {
-    public function let(OrderFactory $factory, ShippingMethod $shippingMethod)
+    /**
+     * @var \SomeNamespaceForThisTest\Order
+     */
+    private $order;
+    protected function setUp()
     {
-        $factory->createShippingMethodFor(Argument::any())->shouldBeCalled()->willReturn($shippingMethod);
+        /** @var OrderFactory|\PHPUnit\Framework\MockObject\MockObject $factory */
+        $factory = $this->createMock(OrderFactory::class);
+
+        /** @var ShippingMethod|\PHPUnit\Framework\MockObject\MockObject $shippingMethod */
+        $shippingMethod = $this->createMock(ShippingMethod::class);
+
+        $factory->expects($this->once())->method('createShippingMethodFor')->willReturn($shippingMethod);
     }
 }

PhpSpecMocksToPHPUnitMocksRector

Migrate PhpSpec behavior to PHPUnit test

 namespace spec\SomeNamespaceForThisTest;

-use PhpSpec\ObjectBehavior;
-
 class OrderSpec extends ObjectBehavior
 {
-    public function let(OrderFactory $factory, ShippingMethod $shippingMethod)
+    /**
+     * @var \SomeNamespaceForThisTest\Order
+     */
+    private $order;
+    protected function setUp()
     {
-        $factory->createShippingMethodFor(Argument::any())->shouldBeCalled()->willReturn($shippingMethod);
+        /** @var OrderFactory|\PHPUnit\Framework\MockObject\MockObject $factory */
+        $factory = $this->createMock(OrderFactory::class);
+
+        /** @var ShippingMethod|\PHPUnit\Framework\MockObject\MockObject $shippingMethod */
+        $shippingMethod = $this->createMock(ShippingMethod::class);
+
+        $factory->expects($this->once())->method('createShippingMethodFor')->willReturn($shippingMethod);
     }
 }

PhpSpecPromisesToPHPUnitAssertRector

Migrate PhpSpec behavior to PHPUnit test

 namespace spec\SomeNamespaceForThisTest;

-use PhpSpec\ObjectBehavior;
-
 class OrderSpec extends ObjectBehavior
 {
-    public function let(OrderFactory $factory, ShippingMethod $shippingMethod)
+    /**
+     * @var \SomeNamespaceForThisTest\Order
+     */
+    private $order;
+    protected function setUp()
     {
-        $factory->createShippingMethodFor(Argument::any())->shouldBeCalled()->willReturn($shippingMethod);
+        /** @var OrderFactory|\PHPUnit\Framework\MockObject\MockObject $factory */
+        $factory = $this->createMock(OrderFactory::class);
+
+        /** @var ShippingMethod|\PHPUnit\Framework\MockObject\MockObject $shippingMethod */
+        $shippingMethod = $this->createMock(ShippingMethod::class);
+
+        $factory->expects($this->once())->method('createShippingMethodFor')->willReturn($shippingMethod);
     }
 }

RenameSpecFileToTestFileRector

Rename "*Spec.php" file to "*Test.php" file


Polyfill

UnwrapFutureCompatibleIfFunctionExistsRector

Remove functions exists if with else for always existing

 class SomeClass
 {
     public function run()
     {
         // session locking trough other addons
-        if (function_exists('session_abort')) {
-            session_abort();
-        } else {
-            session_write_close();
-        }
+        session_abort();
     }
 }

UnwrapFutureCompatibleIfPhpVersionRector

Remove php version checks if they are passed

 // current PHP: 7.2
-if (version_compare(PHP_VERSION, '7.2', '<')) {
-    return 'is PHP 7.1-';
-} else {
-    return 'is PHP 7.2+';
-}
+return 'is PHP 7.2+';

Refactoring

MoveAndRenameClassRector

Move class to respect new location with respect to PSR-4 + follow up with class rename


MoveAndRenameNamespaceRector

Move namespace to new location with respect to PSR-4 + follow up with files in the namespace move


RemovingStatic

NewUniqueObjectToEntityFactoryRector

Convert new X to new factories

-<?php
-
 class SomeClass
 {
+    public function __construct(AnotherClassFactory $anotherClassFactory)
+    {
+        $this->anotherClassFactory = $anotherClassFactory;
+    }
+
     public function run()
     {
-        return new AnotherClass;
+        return $this->anotherClassFactory->create();
     }
 }

 class AnotherClass
 {
     public function someFun()
     {
         return StaticClass::staticMethod();
     }
 }

PHPUnitStaticToKernelTestCaseGetRector

Convert static calls in PHPUnit test cases, to get() from the container of KernelTestCase

services:
    Rector\RemovingStatic\Rector\Class_\PHPUnitStaticToKernelTestCaseGetRector:
        staticClassTypes:
            - EntityFactory

↓

-<?php
+use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;

-use PHPUnit\Framework\TestCase;
+final class SomeTestCase extends KernelTestCase
+{
+    /**
+     * @var EntityFactory
+     */
+    private $entityFactory;

-final class SomeTestCase extends TestCase
-{
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->entityFactory = self::$container->get(EntityFactory::class);
+    }
+
     public function test()
     {
-        $product = EntityFactory::create('product');
+        $product = $this->entityFactory->create('product');
     }
 }

PassFactoryToUniqueObjectRector

Convert new X/Static::call() to factories in entities, pass them via constructor to each other

services:
    Rector\RemovingStatic\Rector\Class_\PassFactoryToUniqueObjectRector:
        typesToServices:
            - StaticClass

↓

-<?php
-
 class SomeClass
 {
+    public function __construct(AnotherClassFactory $anotherClassFactory)
+    {
+        $this->anotherClassFactory = $anotherClassFactory;
+    }
+
     public function run()
     {
-        return new AnotherClass;
+        return $this->anotherClassFactory->create();
     }
 }

 class AnotherClass
 {
+    public function __construct(StaticClass $staticClass)
+    {
+        $this->staticClass = $staticClass;
+    }
+
     public function someFun()
     {
-        return StaticClass::staticMethod();
+        return $this->staticClass->staticMethod();
+    }
+}
+
+final class AnotherClassFactory
+{
+    /**
+     * @var StaticClass
+     */
+    private $staticClass;
+
+    public function __construct(StaticClass $staticClass)
+    {
+        $this->staticClass = $staticClass;
+    }
+
+    public function create(): AnotherClass
+    {
+        return new AnotherClass($this->staticClass);
     }
 }

StaticTypeToSetterInjectionRector

Changes types to setter injection

services:
    Rector\RemovingStatic\Rector\Class_\StaticTypeToSetterInjectionRector:
        $staticTypes:
            - SomeStaticClass

↓

 <?php

 final class CheckoutEntityFactory
 {
+    /**
+     * @var SomeStaticClass
+     */
+    private $someStaticClass;
+
+    public function setSomeStaticClass(SomeStaticClass $someStaticClass)
+    {
+        $this->someStaticClass = $someStaticClass;
+    }
+
     public function run()
     {
-        return SomeStaticClass::go();
+        return $this->someStaticClass->go();
     }
 }

Renaming

RenameAnnotationRector

Turns defined annotations above properties and methods to their new values.

services:
    Rector\Renaming\Rector\Annotation\RenameAnnotationRector:
        $classToAnnotationMap:
            PHPUnit\Framework\TestCase:
                test: scenario

↓

 class SomeTest extends PHPUnit\Framework\TestCase
 {
     /**
-     * @test
+     * @scenario
      */
     public function someMethod()
     {
     }
 }

RenameClassConstantRector

Replaces defined class constants in their calls.

services:
    Rector\Renaming\Rector\Constant\RenameClassConstantRector:
        SomeClass:
            OLD_CONSTANT: NEW_CONSTANT
            OTHER_OLD_CONSTANT: 'DifferentClass::NEW_CONSTANT'

↓

-$value = SomeClass::OLD_CONSTANT;
-$value = SomeClass::OTHER_OLD_CONSTANT;
+$value = SomeClass::NEW_CONSTANT;
+$value = DifferentClass::NEW_CONSTANT;

RenameClassRector

Replaces defined classes by new ones.

services:
    Rector\Renaming\Rector\Class_\RenameClassRector:
        $oldToNewClasses:
            App\SomeOldClass: App\SomeNewClass

↓

 namespace App;

-use SomeOldClass;
+use SomeNewClass;

-function someFunction(SomeOldClass $someOldClass): SomeOldClass
+function someFunction(SomeNewClass $someOldClass): SomeNewClass
 {
-    if ($someOldClass instanceof SomeOldClass) {
-        return new SomeOldClass;
+    if ($someOldClass instanceof SomeNewClass) {
+        return new SomeNewClass;
     }
 }

RenameConstantRector

Replace constant by new ones

 final class SomeClass
 {
     public function run()
     {
-        return MYSQL_ASSOC;
+        return MYSQLI_ASSOC;
     }
 }

RenameFuncCallToStaticCallRector

Rename func call to static call

services:
    Rector\Renaming\Rector\FuncCall\RenameFuncCallToStaticCallRector:
        $functionsToStaticCalls:
            strPee:
                - Strings
                - strPaa

↓

 class SomeClass
 {
     public function run()
     {
-        strPee('...');
+        \Strings::strPaa('...');
     }
 }

RenameFunctionRector

Turns defined function call new one.

services:
    Rector\Renaming\Rector\Function_\RenameFunctionRector:
        $oldFunctionToNewFunction:
            view: Laravel\Templating\render

↓

-view("...", []);
+Laravel\Templating\render("...", []);

RenameMethodCallRector

Turns method call names to new ones.

services:
    Rector\Renaming\Rector\MethodCall\RenameMethodCallRector:
        SomeExampleClass:
            oldMethod: newMethod

↓

 $someObject = new SomeExampleClass;
-$someObject->oldMethod();
+$someObject->newMethod();

RenameMethodRector

Turns method names to new ones.

services:
    Rector\Renaming\Rector\MethodCall\RenameMethodRector:
        SomeExampleClass:
            $oldToNewMethodsByClass:
                oldMethod: newMethod

↓

 $someObject = new SomeExampleClass;
-$someObject->oldMethod();
+$someObject->newMethod();

RenameNamespaceRector

Replaces old namespace by new one.

services:
    Rector\Renaming\Rector\Namespace_\RenameNamespaceRector:
        $oldToNewNamespaces:
            SomeOldNamespace: SomeNewNamespace

↓

-$someObject = new SomeOldNamespace\SomeClass;
+$someObject = new SomeNewNamespace\SomeClass;

RenameStaticMethodRector

Turns method names to new ones.

services:
    Rector\Renaming\Rector\MethodCall\RenameStaticMethodRector:
        SomeClass:
            oldMethod:
                - AnotherExampleClass
                - newStaticMethod

↓

-SomeClass::oldStaticMethod();
+AnotherExampleClass::newStaticMethod();

services:
    Rector\Renaming\Rector\MethodCall\RenameStaticMethodRector:
        $oldToNewMethodByClasses:
            SomeClass:
                oldMethod: newStaticMethod

↓

-SomeClass::oldStaticMethod();
+SomeClass::newStaticMethod();

Restoration

CompleteImportForPartialAnnotationRector

In case you have accidentally removed use imports but code still contains partial use statements, this will save you

services:
    Rector\Restoration\Rector\Namespace_\CompleteImportForPartialAnnotationRector:
        $useImportToRestore:
            -
                - Doctrine\ORM\Mapping
                - ORM

↓

+use Doctrine\ORM\Mapping as ORM;
+
 class SomeClass
 {
     /**
      * @ORM\Id
      */
     public $id;
 }

MissingClassConstantReferenceToStringRector

Convert missing class reference to string

 class SomeClass
 {
     public function run()
     {
-        return NonExistingClass::class;
+        return 'NonExistingClass';
     }
 }

SOLID

ChangeIfElseValueAssignToEarlyReturnRector

Change if/else value to early return

 class SomeClass
 {
     public function run()
     {
         if ($this->hasDocBlock($tokens, $index)) {
-            $docToken = $tokens[$this->getDocBlockIndex($tokens, $index)];
-        } else {
-            $docToken = null;
+            return $tokens[$this->getDocBlockIndex($tokens, $index)];
         }
-
-        return $docToken;
+        return null;
     }
 }

ChangeNestedForeachIfsToEarlyContinueRector

Change nested ifs to foreach with continue

 class SomeClass
 {
     public function run()
     {
         $items = [];

         foreach ($values as $value) {
-            if ($value === 5) {
-                if ($value2 === 10) {
-                    $items[] = 'maybe';
-                }
+            if ($value !== 5) {
+                continue;
             }
+            if ($value2 !== 10) {
+                continue;
+            }
+
+            $items[] = 'maybe';
         }
     }
 }

ChangeNestedIfsToEarlyReturnRector

Change nested ifs to early return

 class SomeClass
 {
     public function run()
     {
-        if ($value === 5) {
-            if ($value2 === 10) {
-                return 'yes';
-            }
+        if ($value !== 5) {
+            return 'no';
+        }
+
+        if ($value2 === 10) {
+            return 'yes';
         }

         return 'no';
     }
 }

ChangeReadOnlyPropertyWithDefaultValueToConstantRector

Change property with read only status with default value to constant

 class SomeClass
 {
     /**
      * @var string[]
      */
-    private $magicMethods = [
+    private const MAGIC_METHODS = [
         '__toString',
         '__wakeup',
     ];

     public function run()
     {
-        foreach ($this->magicMethods as $magicMethod) {
+        foreach (self::MAGIC_METHODS as $magicMethod) {
             echo $magicMethod;
         }
     }
 }

ChangeReadOnlyVariableWithDefaultValueToConstantRector

Change variable with read only status with default value to constant

 class SomeClass
 {
+    /**
+     * @var string[]
+     */
+    private const REPLACEMENTS = [
+        'PHPUnit\Framework\TestCase\Notice' => 'expectNotice',
+        'PHPUnit\Framework\TestCase\Deprecated' => 'expectDeprecation',
+    ];
+
     public function run()
     {
-        $replacements = [
-            'PHPUnit\Framework\TestCase\Notice' => 'expectNotice',
-            'PHPUnit\Framework\TestCase\Deprecated' => 'expectDeprecation',
-        ];
-
-        foreach ($replacements as $class => $method) {
+        foreach (self::REPLACEMENTS as $class => $method) {
         }
     }
 }

FinalizeClassesWithoutChildrenRector

Finalize every class that has no children

-class FirstClass
+final class FirstClass
 {
 }

 class SecondClass
 {
 }

-class ThirdClass extends SecondClass
+final class ThirdClass extends SecondClass
 {
 }

MakeUnusedClassesWithChildrenAbstractRector

Classes that have no children nor are used, should have abstract

 class SomeClass extends PossibleAbstractClass
 {
 }

-class PossibleAbstractClass
+abstract class PossibleAbstractClass
 {
 }

PrivatizeLocalClassConstantRector

Finalize every class constant that is used only locally

 class ClassWithConstantUsedOnlyHere
 {
-    const LOCAL_ONLY = true;
+    private const LOCAL_ONLY = true;

     public function isLocalOnly()
     {
         return self::LOCAL_ONLY;
     }
 }

RemoveAlwaysElseRector

Split if statement, when if condition always break execution flow

 class SomeClass
 {
     public function run($value)
     {
         if ($value) {
             throw new \InvalidStateException;
-        } else {
-            return 10;
         }
+
+        return 10;
     }
 }

UseInterfaceOverImplementationInConstructorRector

Use interface instead of specific class

 class SomeClass
 {
-    public function __construct(SomeImplementation $someImplementation)
+    public function __construct(SomeInterface $someImplementation)
     {
     }
 }

 class SomeImplementation implements SomeInterface
 {
 }

 interface SomeInterface
 {
 }

Sensio

TemplateAnnotationRector

Turns @Template annotation to explicit method call in Controller of FrameworkExtraBundle in Symfony

-/**
- * @Template()
- */
 public function indexAction()
 {
+    return $this->render("index.html.twig");
 }

Shopware

ReplaceEnlightResponseWithSymfonyResponseRector

Replace Enlight Response methods with Symfony Response methods

 class FrontendController extends \Enlight_Controller_Action
 {
     public function run()
     {
-        $this->Response()->setHeader('Foo', 'Yea');
+        $this->Response()->headers->set('Foo', 'Yea');
     }
 }

ShopRegistrationServiceRector

Replace $shop->registerResources() with ShopRegistrationService

 class SomeClass
 {
     public function run()
     {
         $shop = new \Shopware\Models\Shop\Shop();
-        $shop->registerResources();
+        Shopware()->Container()->get('shopware.components.shop_registration_service')->registerShop($shop);
     }
 }

ShopwareVersionConstsRector

Use version from di parameter

 class SomeClass
 {
     public function run()
     {
-        echo \Shopware::VERSION;
+        echo Shopware()->Container()->getParameter('shopware.release.version');
     }
 }

Silverstripe

ConstantToStaticCallRector

Turns defined constant to static method call.

-SS_DATABASE_NAME;
+Environment::getEnv("SS_DATABASE_NAME");

DefineConstantToStaticCallRector

Turns defined function call to static method call.

-defined("SS_DATABASE_NAME");
+Environment::getEnv("SS_DATABASE_NAME");

StrictCodeQuality

VarInlineAnnotationToAssertRector

Turn @var inline checks above code to assert() of hte type

 class SomeClass
 {
     public function run()
     {
         /** @var SpecificClass $value */
+        assert($value instanceof SpecificClass);
         $value->call();
     }
 }

Sylius

ReplaceCreateMethodWithoutReviewerRector

Turns createForSubjectWithReviewer() with null review to standalone method in Sylius

-$this->createForSubjectWithReviewer($subject, null)
+$this->createForSubject($subject)

Symfony

ActionSuffixRemoverRector

Removes Action suffixes from methods in Symfony Controllers

 class SomeController
 {
-    public function indexAction()
+    public function index()
     {
     }
 }

AddFlashRector

Turns long flash adding to short helper method in Controller in Symfony

 class SomeController extends Controller
 {
     public function some(Request $request)
     {
-        $request->getSession()->getFlashBag()->add("success", "something");
+        $this->addFlash("success", "something");
     }
 }

CascadeValidationFormBuilderRector

Change "cascade_validation" option to specific node attribute

 class SomeController
 {
     public function someMethod()
     {
-        $form = $this->createFormBuilder($article, ['cascade_validation' => true])
-            ->add('author', new AuthorType())
+        $form = $this->createFormBuilder($article)
+            ->add('author', new AuthorType(), [
+                'constraints' => new \Symfony\Component\Validator\Constraints\Valid(),
+            ])
             ->getForm();
     }

     protected function createFormBuilder()
     {
         return new FormBuilder();
     }
 }

ConsoleExceptionToErrorEventConstantRector

Turns old event name with EXCEPTION to ERROR constant in Console in Symfony

-"console.exception"
+Symfony\Component\Console\ConsoleEvents::ERROR

-Symfony\Component\Console\ConsoleEvents::EXCEPTION
+Symfony\Component\Console\ConsoleEvents::ERROR

ConsoleExecuteReturnIntRector

Returns int from Command::execute command

 class SomeCommand extends Command
 {
-    public function execute(InputInterface $input, OutputInterface $output)
+    public function index(InputInterface $input, OutputInterface $output): int
     {
-        return null;
+        return 0;
     }
 }

ConstraintUrlOptionRector

Turns true value to Url::CHECK_DNS_TYPE_ANY in Validator in Symfony.

-$constraint = new Url(["checkDNS" => true]);
+$constraint = new Url(["checkDNS" => Url::CHECK_DNS_TYPE_ANY]);

ContainerBuilderCompileEnvArgumentRector

Turns old default value to parameter in ContinerBuilder->build() method in DI in Symfony

-$containerBuilder = new Symfony\Component\DependencyInjection\ContainerBuilder(); $containerBuilder->compile();
+$containerBuilder = new Symfony\Component\DependencyInjection\ContainerBuilder(); $containerBuilder->compile(true);

ContainerGetToConstructorInjectionRector

Turns fetching of dependencies via $container->get() in ContainerAware to constructor injection in Command and Controller in Symfony

-final class SomeCommand extends ContainerAwareCommand
+final class SomeCommand extends Command
 {
+    public function __construct(SomeService $someService)
+    {
+        $this->someService = $someService;
+    }
+
     public function someMethod()
     {
         // ...
-        $this->getContainer()->get('some_service');
-        $this->container->get('some_service');
+        $this->someService;
+        $this->someService;
     }
 }

FormIsValidRector

Adds $form->isSubmitted() validation to all $form->isValid() calls in Form in Symfony

-if ($form->isValid()) {
+if ($form->isSubmitted() && $form->isValid()) {
 }

FormTypeGetParentRector

Turns string Form Type references to their CONSTANT alternatives in getParent() and getExtendedType() methods in Form in Symfony

-function getParent() { return "collection"; }
+function getParent() { return CollectionType::class; }

-function getExtendedType() { return "collection"; }
+function getExtendedType() { return CollectionType::class; }

FormTypeInstanceToClassConstRector

Changes createForm(new FormType), add(new FormType) to ones with "FormType::class"

 class SomeController
 {
     public function action()
     {
-        $form = $this->createForm(new TeamType, $entity, [
+        $form = $this->createForm(TeamType::class, $entity, [
             'action' => $this->generateUrl('teams_update', ['id' => $entity->getId()]),
             'method' => 'PUT',
         ]);
     }
 }

GetParameterToConstructorInjectionRector

Turns fetching of parameters via getParameter() in ContainerAware to constructor injection in Command and Controller in Symfony

-class MyCommand extends ContainerAwareCommand
+class MyCommand extends Command
 {
+    private $someParameter;
+
+    public function __construct($someParameter)
+    {
+        $this->someParameter = $someParameter;
+    }
+
     public function someMethod()
     {
-        $this->getParameter('someParameter');
+        $this->someParameter;
     }
 }

GetRequestRector

Turns fetching of dependencies via $this->get() to constructor injection in Command and Controller in Symfony

+use Symfony\Component\HttpFoundation\Request;
+
 class SomeController
 {
-    public function someAction()
+    public function someAction(Request $request)
     {
-        $this->getRequest()->...();
+        $request->...();
     }
 }

GetToConstructorInjectionRector

Turns fetching of dependencies via $this->get() to constructor injection in Command and Controller in Symfony

-class MyCommand extends ContainerAwareCommand
+class MyCommand extends Command
 {
+    public function __construct(SomeService $someService)
+    {
+        $this->someService = $someService;
+    }
+
     public function someMethod()
     {
-        // ...
-        $this->get('some_service');
+        $this->someService;
     }
 }

MakeCommandLazyRector

Make Symfony commands lazy

 use Symfony\Component\Console\Command\Command

 class SunshineCommand extends Command
 {
+    protected static $defaultName = 'sunshine';
     public function configure()
     {
-        $this->setName('sunshine');
     }
 }

MakeDispatchFirstArgumentEventRector

Make event object a first argument of dispatch() method, event name as second

 use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;

 class SomeClass
 {
     public function run(EventDispatcherInterface $eventDispatcher)
     {
-        $eventDispatcher->dispatch('event_name', new Event());
+        $eventDispatcher->dispatch(new Event(), 'event_name');
     }
 }

MergeMethodAnnotationToRouteAnnotationRector

Merge removed @Method annotation to @Route one

-use Sensio\Bundle\FrameworkExtraBundle\Configuration\Method;
 use Symfony\Component\Routing\Annotation\Route;

 class DefaultController extends Controller
 {
     /**
-     * @Route("/show/{id}")
-     * @Method({"GET", "HEAD"})
+     * @Route("/show/{id}", methods={"GET","HEAD"})
      */
     public function show($id)
     {
     }
 }

OptionNameRector

Turns old option names to new ones in FormTypes in Form in Symfony

 $builder = new FormBuilder;
-$builder->add("...", ["precision" => "...", "virtual" => "..."];
+$builder->add("...", ["scale" => "...", "inherit_data" => "..."];

ParseFileRector

session > use_strict_mode is true by default and can be removed

-session > use_strict_mode: true
+session:

ProcessBuilderGetProcessRector

Removes $processBuilder->getProcess() calls to $processBuilder in Process in Symfony, because ProcessBuilder was removed. This is part of multi-step Rector and has very narrow focus.

 $processBuilder = new Symfony\Component\Process\ProcessBuilder;
-$process = $processBuilder->getProcess();
-$commamdLine = $processBuilder->getProcess()->getCommandLine();
+$process = $processBuilder;
+$commamdLine = $processBuilder->getCommandLine();

ProcessBuilderInstanceRector

Turns ProcessBuilder::instance() to new ProcessBuilder in Process in Symfony. Part of multi-step Rector.

-$processBuilder = Symfony\Component\Process\ProcessBuilder::instance($args);
+$processBuilder = new Symfony\Component\Process\ProcessBuilder($args);

ReadOnlyOptionToAttributeRector

Change "read_only" option in form to attribute

 use Symfony\Component\Form\FormBuilderInterface;

 function buildForm(FormBuilderInterface $builder, array $options)
 {
-    $builder->add('cuid', TextType::class, ['read_only' => true]);
+    $builder->add('cuid', TextType::class, ['attr' => ['read_only' => true]]);
 }

RedirectToRouteRector

Turns redirect to route to short helper method in Controller in Symfony

-$this->redirect($this->generateUrl("homepage"));
+$this->redirectToRoute("homepage");

ResponseStatusCodeRector

Turns status code numbers to constants

 class SomeController
 {
     public function index()
     {
         $response = new \Symfony\Component\HttpFoundation\Response();
-        $response->setStatusCode(200);
+        $response->setStatusCode(\Symfony\Component\HttpFoundation\Response::HTTP_OK);

-        if ($response->getStatusCode() === 200) {}
+        if ($response->getStatusCode() === \Symfony\Component\HttpFoundation\Response::HTTP_OK) {}
     }
 }

RootNodeTreeBuilderRector

Changes Process string argument to an array

 use Symfony\Component\Config\Definition\Builder\TreeBuilder;

-$treeBuilder = new TreeBuilder();
-$rootNode = $treeBuilder->root('acme_root');
+$treeBuilder = new TreeBuilder('acme_root');
+$rootNode = $treeBuilder->getRootNode();
 $rootNode->someCall();

SimplifyWebTestCaseAssertionsRector

Simplify use of assertions in WebTestCase

 use PHPUnit\Framework\TestCase;

 class SomeClass extends TestCase
 {
     public function test()
     {
-        $this->assertSame(200, $client->getResponse()->getStatusCode());
+         $this->assertResponseIsSuccessful();
     }

     public function testUrl()
     {
-        $this->assertSame(301, $client->getResponse()->getStatusCode());
-        $this->assertSame('https://example.com', $client->getResponse()->headers->get('Location'));
+        $this->assertResponseRedirects('https://example.com', 301);
     }

     public function testContains()
     {
-        $this->assertContains('Hello World', $crawler->filter('h1')->text());
+        $this->assertSelectorTextContains('h1', 'Hello World');
     }
 }

StringFormTypeToClassRector

Turns string Form Type references to their CONSTANT alternatives in FormTypes in Form in Symfony

 $formBuilder = new Symfony\Component\Form\FormBuilder;
-$formBuilder->add('name', 'form.type.text');
+$formBuilder->add('name', \Symfony\Component\Form\Extension\Core\Type\TextType::class);

StringToArrayArgumentProcessRector

Changes Process string argument to an array

 use Symfony\Component\Process\Process;
-$process = new Process('ls -l');
+$process = new Process(['ls', '-l']);

VarDumperTestTraitMethodArgsRector

Adds a new $filter argument in VarDumperTestTrait->assertDumpEquals() and VarDumperTestTrait->assertDumpMatchesFormat() in Validator in Symfony.

-$varDumperTestTrait->assertDumpEquals($dump, $data, $message = "");
+$varDumperTestTrait->assertDumpEquals($dump, $data, $filter = 0, $message = "");

-$varDumperTestTrait->assertDumpMatchesFormat($dump, $data, $message = "");
+$varDumperTestTrait->assertDumpMatchesFormat($dump, $data, $filter = 0, $message = "");

SymfonyCodeQuality

EventListenerToEventSubscriberRector

Change Symfony Event listener class to Event Subscriber based on configuration in service.yaml file

 <?php

-class SomeListener
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+class SomeEventSubscriber implements EventSubscriberInterface
 {
+     /**
+      * @return string[]
+      */
+     public static function getSubscribedEvents(): array
+     {
+         return ['some_event' => 'methodToBeCalled'];
+     }
+
      public function methodToBeCalled()
      {
      }
-}
-
-// in config.yaml
-services:
-    SomeListener:
-        tags:
-            - { name: kernel.event_listener, event: 'some_event', method: 'methodToBeCalled' }
+}

SymfonyPHPUnit

SelfContainerGetMethodCallFromTestToSetUpMethodRector

Move self::$container service fetching from test methods up to setUp method

 use ItemRepository;
 use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;

 class SomeTest extends KernelTestCase
 {
+    /**
+     * @var \ItemRepository
+     */
+    private $itemRepository;
+
+    protected function setUp()
+    {
+        parent::setUp();
+        $this->itemRepository = self::$container->get(ItemRepository::class);
+    }
+
     public function testOne()
     {
-        $itemRepository = self::$container->get(ItemRepository::class);
-        $itemRepository->doStuff();
+        $this->itemRepository->doStuff();
     }

     public function testTwo()
     {
-        $itemRepository = self::$container->get(ItemRepository::class);
-        $itemRepository->doAnotherStuff();
+        $this->itemRepository->doAnotherStuff();
     }
 }

Twig

SimpleFunctionAndFilterRector

Changes Twig_Function_Method to Twig_SimpleFunction calls in Twig_Extension.

 class SomeExtension extends Twig_Extension
 {
     public function getFunctions()
     {
         return [
-            'is_mobile' => new Twig_Function_Method($this, 'isMobile'),
+             new Twig_SimpleFunction('is_mobile', [$this, 'isMobile']),
         ];
     }

     public function getFilters()
     {
         return [
-            'is_mobile' => new Twig_Filter_Method($this, 'isMobile'),
+             new Twig_SimpleFilter('is_mobile', [$this, 'isMobile']),
         ];
     }
 }

TypeDeclaration

AddArrayParamDocTypeRector

Adds @param annotation to array parameters inferred from the rest of the code

 class SomeClass
 {
     /**
      * @var int[]
      */
     private $values;

+    /**
+     * @param int[] $values
+     */
     public function __construct(array $values)
     {
         $this->values = $values;
     }
 }

AddArrayReturnDocTypeRector

Adds @return annotation to array parameters inferred from the rest of the code

 class SomeClass
 {
     /**
      * @var int[]
      */
     private $values;

+    /**
+     * @return int[]
+     */
     public function getValues(): array
     {
         return $this->values;
     }
 }

AddClosureReturnTypeRector

Add known return type to functions

 class SomeClass
 {
     public function run($meetups)
     {
-        return array_filter($meetups, function (Meetup $meetup) {
+        return array_filter($meetups, function (Meetup $meetup): bool {
             return is_object($meetup);
         });
     }
 }

AddMethodCallBasedParamTypeRector

Change param type of passed getId() to UuidInterface type declaration

 class SomeClass
 {
-    public function getById($id)
+    public function getById(\Ramsey\Uuid\UuidInterface $id)
     {
     }
 }

 class CallerClass
 {
     public function run()
     {
         $building = new Building();
         $someClass = new SomeClass();
         $someClass->getById($building->getId());
     }
 }

AddParamTypeDeclarationRector

Add param types where needed

services:
    Rector\TypeDeclaration\Rector\ClassMethod\AddParamTypeDeclarationRector:
        $typehintForParameterByMethodByClass:
            SomeClass:
                process:
                    - string

↓

 class SomeClass
 {
-    public function process($name)
+    public function process(string $name)
     {
     }
 }

CompleteVarDocTypePropertyRector

Complete property @var annotations or correct the old ones

 final class SomeClass
 {
+    /**
+     * @var EventDispatcher
+     */
     private $eventDispatcher;

     public function __construct(EventDispatcher $eventDispatcher)
     {
         $this->eventDispatcher = $eventDispatcher;
     }
 }

ParamTypeDeclarationRector

Change @param types to type declarations if not a BC-break

 <?php

 class ParentClass
 {
     /**
      * @param int $number
      */
     public function keep($number)
     {
     }
 }

 final class ChildClass extends ParentClass
 {
     /**
      * @param int $number
      */
     public function keep($number)
     {
     }

     /**
      * @param int $number
      */
-    public function change($number)
+    public function change(int $number)
     {
     }
 }

PropertyTypeDeclarationRector

Add @var to properties that are missing it


ReturnTypeDeclarationRector

Change @return types and type from static analysis to type declarations if not a BC-break

 <?php

 class SomeClass
 {
     /**
      * @return int
      */
-    public function getCount()
+    public function getCount(): int
     {
     }
 }

ZendToSymfony

ChangeZendControllerClassToSymfonyControllerClassRector

Change Zend 1 controller to Symfony 4 controller

-class SomeAction extends Zend_Controller_Action
+final class SomeAction extends \Symfony\Bundle\FrameworkBundle\Controller\AbstractController
 {
 }

GetParamToClassMethodParameterAndRouteRector

Change $this->getParam() calls to action method arguments + Sdd symfony @Route

-public function someAction()
+public function someAction($id)
 {
-    $id = $this->getParam('id');
 }

RedirectorToRedirectToUrlRector

Change $redirector helper to Symfony\Controller call redirect()

 public function someAction()
 {
     $redirector = $this->_helper->redirector;
-    $redirector->goToUrl('abc');
+    $this->redirect('abc');
 }

RemoveAutoloadingIncludeRector

Remove include/require statements, that supply autoloading (PSR-4 composer autolaod is going to be used instead)

-include 'SomeFile.php';
-require_once 'AnotherFile.php';
-
 $values = require_once 'values.txt';

ThisHelperToServiceMethodCallRector

Change magic $this->_helper->calls() to constructor injection of helper services

 class SomeController
 {
     /**
      * @var Zend_Controller_Action_HelperBroker
      */
     private $_helper;
+
+    /**
+     * @var Zend_Controller_Action_Helper_OnlinePayment
+     */
+    private $onlinePaymentHelper;

+    public function __construct(Zend_Controller_Action_Helper_OnlinePayment $onlinePaymentHelper)
+    {
+        $this->onlinePaymentHelper = onlinePaymentHelper;
+    }
+
     public function someAction()
     {
-        $this->_helper->onlinePayment(1000);
-
-        $this->_helper->onlinePayment()->isPaid();
+        $this->onlinePaymentHelper->direct(1000);
+
+        $this->onlinePaymentHelper->direct()->isPaid();
     }
 }

ThisRequestToRequestParameterRector

Change $this->_request in action method to $request parameter

-public function someAction()
+public function someAction(\Symfony\Component\HttpFoundation\Request $request)
 {
-    $isGet = $this->_request->isGet();
+    $isGet = $request->isGet();
 }

ThisViewToThisRenderResponseRector

Change $this->_view->assign = 5; to $this->render("...", $templateData);

 public function someAction()
 {
-    $this->_view->value = 5;
+    $templateData = [];
+    $templateData['value']; = 5;
+
+    return $this->render("...", $templateData);
 }

General

Core

ActionInjectionToConstructorInjectionRector

Turns action injection in Controllers to constructor injection

 final class SomeController
 {
-    public function default(ProductRepository $productRepository)
+    /**
+     * @var ProductRepository
+     */
+    private $productRepository;
+    public function __construct(ProductRepository $productRepository)
     {
-        $products = $productRepository->fetchAll();
+        $this->productRepository = $productRepository;
+    }
+
+    public function default()
+    {
+        $products = $this->productRepository->fetchAll();
     }
 }

AddInterfaceByTraitRector

Add interface by used trait

services:
    Rector\Core\Rector\Class_\AddInterfaceByTraitRector:
        $interfaceByTrait:
            SomeTrait: SomeInterface

↓

-class SomeClass
+class SomeClass implements SomeInterface
 {
     use SomeTrait;
 }

AddMethodParentCallRector

Add method parent call, in case new parent method is added

 class SunshineCommand extends ParentClassWithNewConstructor
 {
     public function __construct()
     {
         $value = 5;
+
+        parent::__construct();
     }
 }

AddReturnTypeDeclarationRector

Changes defined return typehint of method and class.

services:
    Rector\Core\Rector\ClassMethod\AddReturnTypeDeclarationRector:
        $typehintForMethodByClass:
            SomeClass:
                getData: array

↓

 class SomeClass
 {
-    public getData()
+    public getData(): array
     {
     }
 }

AnnotatedPropertyInjectToConstructorInjectionRector

Turns non-private properties with @annotation to private properties and constructor injection

 /**
  * @var SomeService
- * @inject
  */
-public $someService;
+private $someService;
+
+public function __construct(SomeService $someService)
+{
+    $this->someService = $someService;
+}

ArgumentAdderRector

This Rector adds new default arguments in calls of defined methods and class types.

services:
    Rector\Core\Rector\Argument\ArgumentAdderRector:
        $positionWithDefaultValueByMethodNamesByClassTypes:
            SomeExampleClass:
                someMethod:
                    -
                        name: someArgument
                        default_value: 'true'
                        type: SomeType

↓

 $someObject = new SomeExampleClass;
-$someObject->someMethod();
+$someObject->someMethod(true);

services:
    Rector\Core\Rector\Argument\ArgumentAdderRector:
        $positionWithDefaultValueByMethodNamesByClassTypes:
            SomeExampleClass:
                someMethod:
                    -
                        name: someArgument
                        default_value: 'true'
                        type: SomeType

↓

 class MyCustomClass extends SomeExampleClass
 {
-    public function someMethod()
+    public function someMethod($value = true)
     {
     }
 }

ArgumentDefaultValueReplacerRector

Replaces defined map of arguments in defined methods and their calls.

services:
    Rector\Core\Rector\Argument\ArgumentDefaultValueReplacerRector:
        SomeExampleClass:
            someMethod:
                -
                    -
                        before: 'SomeClass::OLD_CONSTANT'
                        after: 'false'

↓

 $someObject = new SomeClass;
-$someObject->someMethod(SomeClass::OLD_CONSTANT);
+$someObject->someMethod(false);'

ArgumentRemoverRector

Removes defined arguments in defined methods and their calls.

services:
    Rector\Core\Rector\Argument\ArgumentRemoverRector:
        ExampleClass:
            someMethod:
                -
                    value: 'true'

↓

 $someObject = new SomeClass;
-$someObject->someMethod(true);
+$someObject->someMethod();'

ChangeConstantVisibilityRector

Change visibility of constant from parent class.

services:
    Rector\Core\Rector\Visibility\ChangeConstantVisibilityRector:
        ParentObject:
            SOME_CONSTANT: protected

↓

 class FrameworkClass
 {
     protected const SOME_CONSTANT = 1;
 }

 class MyClass extends FrameworkClass
 {
-    public const SOME_CONSTANT = 1;
+    protected const SOME_CONSTANT = 1;
 }

ChangeMethodVisibilityRector

Change visibility of method from parent class.

services:
    Rector\Core\Rector\Visibility\ChangeMethodVisibilityRector:
        $methodToVisibilityByClass:
            FrameworkClass:
                someMethod: protected

↓

 class FrameworkClass
 {
     protected someMethod()
     {
     }
 }

 class MyClass extends FrameworkClass
 {
-    public someMethod()
+    protected someMethod()
     {
     }
 }

ChangePropertyVisibilityRector

Change visibility of property from parent class.

services:
    Rector\Core\Rector\Visibility\ChangePropertyVisibilityRector:
        FrameworkClass:
            someProperty: protected

↓

 class FrameworkClass
 {
     protected $someProperty;
 }

 class MyClass extends FrameworkClass
 {
-    public $someProperty;
+    protected $someProperty;
 }

FluentReplaceRector

Turns fluent interface calls to classic ones.

services:
    Rector\Core\Rector\MethodBody\FluentReplaceRector:
        $classesToDefluent:
            - SomeExampleClass

↓

 $someClass = new SomeClass();
-$someClass->someFunction()
-            ->otherFunction();
+$someClass->someFunction();
+$someClass->otherFunction();

FunctionToMethodCallRector

Turns defined function calls to local method calls.

services:
    Rector\Core\Rector\Function_\FunctionToMethodCallRector:
        view:
            - this
            - render

↓

-view("...", []);
+$this->render("...", []);

FunctionToNewRector

Change configured function calls to new Instance

 class SomeClass
 {
     public function run()
     {
-        $array = collection([]);
+        $array = new \Collection([]);
     }
 }

FunctionToStaticCallRector

Turns defined function call to static method call.

services:
    Rector\Core\Rector\Function_\FunctionToStaticCallRector:
        view:
            - SomeStaticClass
            - render

↓

-view("...", []);
+SomeClass::render("...", []);

GetAndSetToMethodCallRector

Turns defined __get/__set to specific method calls.

services:
    Rector\Core\Rector\MagicDisclosure\GetAndSetToMethodCallRector:
        SomeContainer:
            set: addService

↓

 $container = new SomeContainer;
-$container->someService = $someService;
+$container->setService("someService", $someService);

services:
    Rector\Core\Rector\MagicDisclosure\GetAndSetToMethodCallRector:
        $typeToMethodCalls:
            SomeContainer:
                get: getService

↓

 $container = new SomeContainer;
-$someService = $container->someService;
+$someService = $container->getService("someService");

InjectAnnotationClassRector

Changes properties with specified annotations class to constructor injection

services:
    Rector\Core\Rector\Property\InjectAnnotationClassRector:
        $annotationClasses:
            - DI\Annotation\Inject
            - JMS\DiExtraBundle\Annotation\Inject

↓

 use JMS\DiExtraBundle\Annotation as DI;

 class SomeController
 {
     /**
-     * @DI\Inject("entity.manager")
+     * @var EntityManager
      */
     private $entityManager;
+
+    public function __construct(EntityManager $entityManager)
+    {
+        $this->entityManager = entityManager;
+    }
 }

MergeInterfacesRector

Merges old interface to a new one, that already has its methods

services:
    Rector\Core\Rector\Interface_\MergeInterfacesRector:
        SomeOldInterface: SomeInterface

↓

-class SomeClass implements SomeInterface, SomeOldInterface
+class SomeClass implements SomeInterface
 {
 }

MethodCallToAnotherMethodCallWithArgumentsRector

Turns old method call with specific types to new one with arguments

services:
    Rector\Core\Rector\MethodCall\MethodCallToAnotherMethodCallWithArgumentsRector:
        Nette\DI\ServiceDefinition:
            setInject:
                -
                    - addTag
                    -
                        - inject

↓

 $serviceDefinition = new Nette\DI\ServiceDefinition;
-$serviceDefinition->setInject();
+$serviceDefinition->addTag('inject');

MethodCallToReturnRector

Wrap method call to return

services:
    Rector\Core\Rector\MethodCall\MethodCallToReturnRector:
        $methodNamesByType:
            SomeClass:
                - deny

↓

 class SomeClass
 {
     public function run()
     {
-        $this->deny();
+        return $this->deny();
     }

     public function deny()
     {
         return 1;
     }
 }

MultipleClassFileToPsr4ClassesRector

Turns namespaced classes in one file to standalone PSR-4 classes.

+// new file: "app/Exceptions/FirstException.php"
 namespace App\Exceptions;

 use Exception;

 final class FirstException extends Exception
 {

 }
+
+// new file: "app/Exceptions/SecondException.php"
+namespace App\Exceptions;
+
+use Exception;

 final class SecondException extends Exception
 {

 }

NewObjectToFactoryCreateRector

Replaces creating object instances with "new" keyword with factory method.

services:
    Rector\Core\Rector\Architecture\Factory\NewObjectToFactoryCreateRector:
        MyClass:
            class: MyClassFactory
            method: create

↓

 class SomeClass
 {
+	/**
+	 * @var \MyClassFactory
+	 */
+	private $myClassFactory;
+
 	public function example() {
-		new MyClass($argument);
+		$this->myClassFactory->create($argument);
 	}
 }

NewToStaticCallRector

Change new Object to static call

services:
    Rector\Core\Rector\New_\NewToStaticCallRector:
        $typeToStaticCalls:
            Cookie:
                - Cookie
                - create

↓

 class SomeClass
 {
     public function run()
     {
-        new Cookie($name);
+        Cookie::create($name);
     }
 }

NormalToFluentRector

Turns fluent interface calls to classic ones.

services:
    Rector\Core\Rector\MethodBody\NormalToFluentRector:
        SomeClass:
            - someFunction
            - otherFunction

↓

 $someObject = new SomeClass();
-$someObject->someFunction();
-$someObject->otherFunction();
+$someObject->someFunction()
+    ->otherFunction();

ParentClassToTraitsRector

Replaces parent class to specific traits

services:
    Rector\Core\Rector\Class_\ParentClassToTraitsRector:
        Nette\Object:
            - Nette\SmartObject

↓

-class SomeClass extends Nette\Object
+class SomeClass
 {
+    use Nette\SmartObject;
 }

PropertyAssignToMethodCallRector

Turns property assign of specific type and property name to method call

services:
    Rector\Core\Rector\Assign\PropertyAssignToMethodCallRector:
        $oldPropertiesToNewMethodCallsByType:
            SomeClass:
                oldPropertyName: oldProperty
                newMethodName: newMethodCall

↓

 $someObject = new SomeClass;
-$someObject->oldProperty = false;
+$someObject->newMethodCall(false);

PropertyToMethodRector

Replaces properties assign calls be defined methods.

services:
    Rector\Core\Rector\Property\PropertyToMethodRector:
        $perClassPropertyToMethods:
            SomeObject:
                property:
                    get: getProperty
                    set: setProperty

↓

-$result = $object->property;
-$object->property = $value;
+$result = $object->getProperty();
+$object->setProperty($value);

services:
    Rector\Core\Rector\Property\PropertyToMethodRector:
        $perClassPropertyToMethods:
            SomeObject:
                property:
                    get:
                        method: getConfig
                        arguments:
                            - someArg

↓

-$result = $object->property;
+$result = $object->getProperty('someArg');

PseudoNamespaceToNamespaceRector

Replaces defined Pseudo_Namespaces by Namespace\Ones.

services:
    Rector\Core\Rector\Namespace_\PseudoNamespaceToNamespaceRector:
        $namespacePrefixesWithExcludedClasses:
            Some_:
                - Some_Class_To_Keep

↓

-/** @var Some_Chicken $someService */
-$someService = new Some_Chicken;
+/** @var Some\Chicken $someService */
+$someService = new Some\Chicken;
 $someClassToKeep = new Some_Class_To_Keep;

RemoveInterfacesRector

Removes interfaces usage from class.

services:
    Rector\Core\Rector\Interface_\RemoveInterfacesRector:
        - SomeInterface

↓

-class SomeClass implements SomeInterface
+class SomeClass
 {
 }

RemoveTraitRector

Remove specific traits from code

 class SomeClass
 {
-    use SomeTrait;
 }

RenameClassConstantsUseToStringsRector

Replaces constant by value

services:
    Rector\Core\Rector\Constant\RenameClassConstantsUseToStringsRector:
        Nette\Configurator:
            DEVELOPMENT: development
            PRODUCTION: production

↓

-$value === Nette\Configurator::DEVELOPMENT
+$value === "development"

RenamePropertyRector

Replaces defined old properties by new ones.

services:
    Rector\Core\Rector\Property\RenamePropertyRector:
        $oldToNewPropertyByTypes:
            SomeClass:
                someOldProperty: someNewProperty

↓

-$someObject->someOldProperty;
+$someObject->someNewProperty;

ReplaceVariableByPropertyFetchRector

Turns variable in controller action to property fetch, as follow up to action injection variable to property change.

 final class SomeController
 {
     /**
      * @var ProductRepository
      */
     private $productRepository;

     public function __construct(ProductRepository $productRepository)
     {
         $this->productRepository = $productRepository;
     }

     public function default()
     {
-        $products = $productRepository->fetchAll();
+        $products = $this->productRepository->fetchAll();
     }
 }

ReturnThisRemoveRector

Removes "return $this;" from fluent interfaces for specified classes.

services:
    Rector\Core\Rector\MethodBody\ReturnThisRemoveRector:
        -
            - SomeExampleClass

↓

 class SomeClass
 {
     public function someFunction()
     {
-        return $this;
     }

     public function otherFunction()
     {
-        return $this;
     }
 }

ServiceGetterToConstructorInjectionRector

Get service call to constructor injection

services:
    Rector\Core\Rector\MethodCall\ServiceGetterToConstructorInjectionRector:
        $methodNamesByTypesToServiceTypes:
            FirstService:
                getAnotherService: AnotherService

↓

 final class SomeClass
 {
     /**
      * @var FirstService
      */
     private $firstService;

-    public function __construct(FirstService $firstService)
-    {
-        $this->firstService = $firstService;
-    }
-
-    public function run()
-    {
-        $anotherService = $this->firstService->getAnotherService();
-        $anotherService->run();
-    }
-}
-
-class FirstService
-{
     /**
      * @var AnotherService
      */
     private $anotherService;

-    public function __construct(AnotherService $anotherService)
+    public function __construct(FirstService $firstService, AnotherService $anotherService)
     {
+        $this->firstService = $firstService;
         $this->anotherService = $anotherService;
     }

-    public function getAnotherService(): AnotherService
+    public function run()
     {
-         return $this->anotherService;
+        $anotherService = $this->anotherService;
+        $anotherService->run();
     }
 }

StaticCallToFunctionRector

Turns static call to function call.

services:
    Rector\Core\Rector\StaticCall\StaticCallToFunctionRector:
        $staticCallToFunction:
            OldClass:
                oldMethod: new_function

↓

-OldClass::oldMethod("args");
+new_function("args");

StringToClassConstantRector

Changes strings to specific constants

services:
    Rector\Core\Rector\String_\StringToClassConstantRector:
        compiler.post_dump:
            - Yet\AnotherClass
            - CONSTANT

↓

 final class SomeSubscriber
 {
     public static function getSubscribedEvents()
     {
-        return ['compiler.post_dump' => 'compile'];
+        return [\Yet\AnotherClass::CONSTANT => 'compile'];
     }
 }

SwapClassMethodArgumentsRector

Reorder class method arguments, including their calls

services:
    Rector\Core\Rector\StaticCall\SwapClassMethodArgumentsRector:
        $newArgumentPositionsByMethodAndClass:
            SomeClass:
                run:
                    - 1
                    - 0

↓

 class SomeClass
 {
-    public static function run($first, $second)
+    public static function run($second, $first)
     {
-        self::run($first, $second);
+        self::run($second, $first);
     }
 }

SwapFuncCallArgumentsRector

Swap arguments in function calls

 final class SomeClass
 {
     public function run($one, $two)
     {
-        return some_function($one, $two);
+        return some_function($two, $one);
     }
 }

ToStringToMethodCallRector

Turns defined code uses of "__toString()" method to specific method calls.

services:
    Rector\Core\Rector\MagicDisclosure\ToStringToMethodCallRector:
        SomeObject: getPath

↓

 $someValue = new SomeObject;
-$result = (string) $someValue;
-$result = $someValue->__toString();
+$result = $someValue->getPath();
+$result = $someValue->getPath();

UnsetAndIssetToMethodCallRector

Turns defined __isset/__unset calls to specific method calls.

services:
    Rector\Core\Rector\MagicDisclosure\UnsetAndIssetToMethodCallRector:
        SomeContainer:
            isset: hasService

↓

 $container = new SomeContainer;
-isset($container["someKey"]);
+$container->hasService("someKey");

services:
    Rector\Core\Rector\MagicDisclosure\UnsetAndIssetToMethodCallRector:
        SomeContainer:
            unset: removeService

↓

 $container = new SomeContainer;
-unset($container["someKey"]);
+$container->removeService("someKey");

WrapReturnRector

Wrap return value of specific method

services:
    Rector\Core\Rector\ClassMethod\WrapReturnRector:
        SomeClass:
            getItem: array

↓

 final class SomeClass
 {
     public function getItem()
     {
-        return 1;
+        return [1];
     }
 }