Merge branch '6.4' into 7.2

* 6.4:
  [FrameworkBundle] Fix allow `loose` as an email validation mode
  [Messenger] Fix float value for worker memory limit

Author: nicolas-grekas

DependencyInjection/Configuration.php

@@ -1020,7 +1020,7 @@ private function addValidationSection(ArrayNodeDefinition $rootNode, callable $e
                             ->validate()->castToArray()->end()
                         ->end()
                         ->scalarNode('translation_domain')->defaultValue('validators')->end()
-                        ->enumNode('email_validation_mode')->values((class_exists(Email::class) ? Email::VALIDATION_MODES : ['html5-allow-no-tld', 'html5', 'strict']) + ['loose'])->defaultValue('html5')->end()
+                        ->enumNode('email_validation_mode')->values(array_merge(class_exists(Email::class) ? Email::VALIDATION_MODES : ['html5-allow-no-tld', 'html5', 'strict'], ['loose']))->defaultValue('html5')->end()
                         ->arrayNode('mapping')
                             ->addDefaultsIfNotSet()
                             ->fixXmlConfig('path')

DependencyInjection/FrameworkExtension.php

@@ -1630,10 +1630,6 @@ private function registerValidationConfiguration(array $config, ContainerBuilder
             throw new LogicException('Validation support cannot be enabled as the Validator component is not installed. Try running "composer require symfony/validator".');
         }
 
-        if (!isset($config['email_validation_mode'])) {
-            $config['email_validation_mode'] = 'loose';
-        }
-
         $loader->load('validator.php');
 
         $validatorBuilder = $container->getDefinition('validator.builder');

Tests/DependencyInjection/PhpFrameworkExtensionTest.php

@@ -292,5 +292,6 @@ public static function emailValidationModeProvider()
         foreach (Email::VALIDATION_MODES as $mode) {
             yield [$mode];
         }
+        yield ['loose'];
     }
 }