[PHP] Add CallUserMethodRector

config/level/php/php70.yml

@@ -9,3 +9,5 @@ services:
 
     # be careful, run this just once, since it can keep swapping order back and forth
     Rector\Php\Rector\List_\ListSwapArrayOrderRector: ~
+
+    Rector\Php\Rector\FuncCall\CallUserFuncRector: ~

packages/Php/src/Rector/FuncCall/CallUserMethodRector.php

@@ -0,0 +1,86 @@
+<?php declare(strict_types=1);
+
+namespace Rector\Php\Rector\FuncCall;
+
+use PhpParser\Node;
+use PhpParser\Node\Arg;
+use PhpParser\Node\Expr\FuncCall;
+use PhpParser\Node\Name;
+use Rector\Node\NodeFactory;
+use Rector\Rector\AbstractRector;
+use Rector\RectorDefinition\CodeSample;
+use Rector\RectorDefinition\RectorDefinition;
+
+final class CallUserMethodRector extends AbstractRector
+{
+    /**
+     * @var NodeFactory
+     */
+    private $nodeFactory;
+
+    /**
+     * @var string[]
+     */
+    private $oldToNewFunctions = [
+        'call_user_method' => 'call_user_func',
+        'call_user_method_array' => 'call_user_func_array',
+    ];
+
+    public function __construct(NodeFactory $nodeFactory)
+    {
+        $this->nodeFactory = $nodeFactory;
+    }
+
+    public function getDefinition(): RectorDefinition
+    {
+        return new RectorDefinition(
+            'Changes call_user_method()/call_user_method_array() to call_user_func()/call_user_func_array()',
+            [new CodeSample(
+                'call_user_method($method, $obj, "arg1", "arg2");',
+                'call_user_func(array(&$obj, "method"), "arg1", "arg2");'
+            )]
+        );
+    }
+
+    /**
+     * @return string[]
+     */
+    public function getNodeTypes(): array
+    {
+        return [FuncCall::class];
+    }
+
+    /**
+     * @param FuncCall $funcCallNode
+     */
+    public function refactor(Node $funcCallNode): ?Node
+    {
+        $newName = $this->matchNewFunctionName($funcCallNode);
+        if ($newName === null) {
+            return $funcCallNode;
+        }
+
+        $funcCallNode->name = new Name($newName);
+
+        $argNodes = $funcCallNode->args;
+
+        $funcCallNode->args[0] = new Arg($this->nodeFactory->createArray($argNodes[1]->value, $argNodes[0]->value));
+        unset($funcCallNode->args[1]);
+
+        // reindex from 0
+        $funcCallNode->args = array_values($funcCallNode->args);
+
+        return $funcCallNode;
+    }
+
+    private function matchNewFunctionName(FuncCall $funcCallNode): ?string
+    {
+        foreach ($this->oldToNewFunctions as $oldFunction => $newFunction) {
+            if ((string) $funcCallNode->name === $oldFunction) {
+                return $newFunction;
+            }
+        }
+
+        return null;
+    }
+}

packages/Php/tests/Rector/FuncCall/CallUserMethodRector/CallUserMethodRectorTest.php

@@ -0,0 +1,32 @@
+<?php declare(strict_types=1);
+
+namespace Rector\Php\Tests\Rector\FuncCall\CallUserMethodRector;
+
+use Iterator;
+use Rector\Testing\PHPUnit\AbstractRectorTestCase;
+
+/**
+ * @covers \Rector\Php\Rector\FuncCall\CallUserMethodRector
+ *
+ * @see https://www.mail-archive.com/php-dev@lists.php.net/msg11576.html
+ */
+final class CallUserMethodRectorTest extends AbstractRectorTestCase
+{
+    /**
+     * @dataProvider provideWrongToFixedFiles()
+     */
+    public function test(string $wrong, string $fixed): void
+    {
+        $this->doTestFileMatchesExpectedContent($wrong, $fixed);
+    }
+
+    public function provideWrongToFixedFiles(): Iterator
+    {
+        yield [__DIR__ . '/Wrong/wrong.php.inc', __DIR__ . '/Correct/correct.php.inc'];
+    }
+
+    protected function provideConfig(): string
+    {
+        return __DIR__ . '/config.yml';
+    }
+}

packages/Php/tests/Rector/FuncCall/CallUserMethodRector/Correct/correct.php.inc

@@ -0,0 +1,8 @@
+<?php declare(strict_types=1);
+
+$obj = new stdClass();
+$method_name = 'hi';
+
+call_user_func_array([$obj, $method_name], $params);
+
+call_user_func([$obj, $method_name], $params);

packages/Php/tests/Rector/FuncCall/CallUserMethodRector/Wrong/wrong.php.inc

@@ -0,0 +1,8 @@
+<?php declare(strict_types=1);
+
+$obj = new stdClass();
+$method_name = 'hi';
+
+call_user_method_array($method_name, $obj, $params);
+
+call_user_method($method_name, $obj, $params);

packages/Php/tests/Rector/FuncCall/CallUserMethodRector/config.yml

@@ -0,0 +1,2 @@
+services:
+    Rector\Php\Rector\FuncCall\CallUserMethodRector: ~

packages/Twig/src/Rector/SimpleFunctionAndFilterRector.php

@@ -191,9 +191,7 @@ CODE_SAMPLE
             }
 
             $node->value->args[0] = new Arg(new String_($filterName));
-            $node->value->args[1] = new Arg(new Array_($arrayItems, [
+            $node->value->args[1] = new Arg(new Array_($arrayItems));
-                'kind' => Array_::KIND_SHORT,
-            ]));
         }
 
         return $node;

src/Node/NodeFactory.php

@@ -120,9 +120,7 @@ final class NodeFactory
             }
         }
 
-        return new Array_($arrayItems, [
+        return new Array_($arrayItems);
-            'kind' => Array_::KIND_SHORT,
-        ]);
     }
 
     /**

src/Printer/BetterStandardPrinter.php

@@ -2,6 +2,7 @@
 
 namespace Rector\Printer;
 
+use PhpParser\Node\Expr\Array_;
 use PhpParser\Node\Expr\Yield_;
 use PhpParser\Node\Stmt\Expression;
 use PhpParser\Node\Stmt\Property;
@@ -60,4 +61,17 @@ final class BetterStandardPrinter extends Standard
             $this->pCommaSeparated($node->props) .
             ';';
     }
+
+    /**
+     * Print arrays in short [] by default,
+     * to prevent manual explicit array shortening.
+     */
+    protected function pExpr_Array(Array_ $node): string
+    {
+        if (! $node->hasAttribute('kind')) {
+            $node->setAttribute('kind', Array_::KIND_SHORT);
+        }
+
+        return parent::pExpr_Array($node);
+    }
 }