style: Adopt PSR12

Dev dependency flyeralarm/php-code-validator has been removed.

Closes #444

Creational/AbstractFactory/Tests/AbstractFactoryTest.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\AbstractFactory\Tests;
 

Creational/Builder/Builder.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Builder;
 

Creational/Builder/CarBuilder.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Builder;
 

Creational/Builder/Director.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Builder;
 

Creational/Builder/Parts/Car.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Builder\Parts;
 

Creational/Builder/Parts/Door.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Builder\Parts;
 

Creational/Builder/Parts/Engine.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Builder\Parts;
 

Creational/Builder/Parts/Truck.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Builder\Parts;
 

Creational/Builder/Parts/Vehicle.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Builder\Parts;
 

Creational/Builder/Parts/Wheel.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Builder\Parts;
 

Creational/Builder/Tests/DirectorTest.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Builder\Tests;
 

Creational/Builder/TruckBuilder.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Builder;
 

Creational/FactoryMethod/FileLogger.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\FactoryMethod;
 

Creational/FactoryMethod/FileLoggerFactory.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\FactoryMethod;
 

Creational/FactoryMethod/Logger.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\FactoryMethod;
 

Creational/FactoryMethod/LoggerFactory.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\FactoryMethod;
 

Creational/FactoryMethod/StdoutLogger.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\FactoryMethod;
 

Creational/FactoryMethod/StdoutLoggerFactory.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\FactoryMethod;
 

Creational/FactoryMethod/Tests/FactoryMethodTest.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\FactoryMethod\Tests;
 

Creational/Pool/StringReverseWorker.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Pool;
 

Creational/Pool/Tests/PoolTest.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Pool\Tests;
 

Creational/Pool/WorkerPool.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Pool;
 

Creational/Prototype/BarBookPrototype.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Prototype;
 

Creational/Prototype/BookPrototype.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Prototype;
 

Creational/Prototype/FooBookPrototype.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Prototype;
 

Creational/Prototype/Tests/PrototypeTest.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Prototype\Tests;
 

Creational/SimpleFactory/Bicycle.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\SimpleFactory;
 

Creational/SimpleFactory/SimpleFactory.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\SimpleFactory;
 

Creational/SimpleFactory/Tests/SimpleFactoryTest.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\SimpleFactory\Tests;
 

Creational/Singleton/Singleton.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Singleton;
 
@@ -34,7 +36,7 @@ final class Singleton
     private function __clone()
     {
     }
-    
+
     /**
      * prevent from being unserialized (which would create a second instance of it)
      */

Creational/Singleton/Tests/SingletonTest.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Singleton\Tests;
 

Creational/StaticFactory/FormatNumber.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\StaticFactory;
 

Creational/StaticFactory/FormatString.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\StaticFactory;
 

Creational/StaticFactory/Formatter.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\StaticFactory;
 

Creational/StaticFactory/StaticFactory.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\StaticFactory;
 

Creational/StaticFactory/Tests/StaticFactoryTest.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php
+
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\StaticFactory\Tests;