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ContainerGetToConstructorInjectionRector

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

 final class SomeCommand extends ContainerAwareCommand
 {
+    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;
     }
 }

Configure your rector.php:

<?php

use Rector\Config\RectorConfig;
use Rector\Symfony\Symfony42\Rector\MethodCall\ContainerGetToConstructorInjectionRector;

return RectorConfig::configure()
    ->withRules([
        ContainerGetToConstructorInjectionRector::class,
    ]);
SETS:  symfony/* 4.2 Constructor Injection