Drop support for Symfony lower than 5.4

Those versions are not maintained anymore, so keeping support for them
is not worth it.
This also drops supports for PHP versions lower than 7.1.3 as that's the
minimum version supported by Symfony 4.

Author: stof

.github/workflows/ci.yaml

@@ -14,24 +14,16 @@ jobs:
             fail-fast: false
             matrix:
                 php:
-                    - '5.5'
-                    - '5.6'
                     - '7.1'
                     - '7.2'
                     - '7.3'
                     - '7.4'
                     - '8.0'
                 symfony-versions: [false]
                 include:
-                    -   description: 'Symfony 2.*'
-                        php: '5.6'
-                        symfony-versions: '^2.8'
-                    -   description: 'Symfony 3.*'
-                        php: '7.4'
-                        symfony-versions: '^3.0'
                     -   description: 'Symfony 4.*'
                         php: '7.4'
-                        symfony-versions: '^4.0'
+                        symfony-versions: '^4.4'
         name: PHP ${{ matrix.php }} ${{ matrix.description }}
         steps:
             - name: Checkout

Form/Type/ChangePasswordFormType.php

@@ -85,16 +85,6 @@ public function configureOptions(OptionsResolver $resolver)
         ]);
     }
 
-    // BC for SF < 3.0
-
-    /**
-     * {@inheritdoc}
-     */
-    public function getName()
-    {
-        return $this->getBlockPrefix();
-    }
-
     /**
      * {@inheritdoc}
      */

Form/Type/GroupFormType.php

@@ -54,16 +54,6 @@ public function configureOptions(OptionsResolver $resolver)
         ]);
     }
 
-    // BC for SF < 3.0
-
-    /**
-     * {@inheritdoc}
-     */
-    public function getName()
-    {
-        return $this->getBlockPrefix();
-    }
-
     /**
      * {@inheritdoc}
      */

Form/Type/ProfileFormType.php

@@ -74,16 +74,6 @@ public function configureOptions(OptionsResolver $resolver)
         ]);
     }
 
-    // BC for SF < 3.0
-
-    /**
-     * {@inheritdoc}
-     */
-    public function getName()
-    {
-        return $this->getBlockPrefix();
-    }
-
     /**
      * {@inheritdoc}
      */

Form/Type/RegistrationFormType.php

@@ -67,16 +67,6 @@ public function configureOptions(OptionsResolver $resolver)
         ]);
     }
 
-    // BC for SF < 3.0
-
-    /**
-     * {@inheritdoc}
-     */
-    public function getName()
-    {
-        return $this->getBlockPrefix();
-    }
-
     /**
      * {@inheritdoc}
      */

Form/Type/ResettingFormType.php

@@ -62,16 +62,6 @@ public function configureOptions(OptionsResolver $resolver)
         ]);
     }
 
-    // BC for SF < 3.0
-
-    /**
-     * {@inheritdoc}
-     */
-    public function getName()
-    {
-        return $this->getBlockPrefix();
-    }
-
     /**
      * {@inheritdoc}
      */

Form/Type/UsernameFormType.php

@@ -52,16 +52,6 @@ public function getParent()
         return TextType::class;
     }
 
-    // BC for SF < 3.0
-
-    /**
-     * @return string
-     */
-    public function getName()
-    {
-        return $this->getBlockPrefix();
-    }
-
     /**
      * {@inheritdoc}
      */

composer.json

@@ -21,29 +21,29 @@
         }
     ],
     "require": {
-        "php": "^5.5.9 || ^7.0 || ^8.0",
+        "php": "^7.1.3 || ^8.0",
         "paragonie/random_compat": "^1 || ^2 || ^9",
-        "symfony/form": "^2.8 || ^3.0 || ^4.0",
-        "symfony/framework-bundle": "^2.8 || ^3.0 || ^4.0",
-        "symfony/security-bundle": "^2.8 || ^3.0 || ^4.0",
-        "symfony/templating": "^2.8 || ^3.0 || ^4.0",
-        "symfony/translation": "^2.8 || ^3.0 || ^4.0",
-        "symfony/twig-bundle": "^2.8 || ^3.0 || ^4.0",
-        "symfony/validator": "^2.8 || ^3.0 || ^4.0",
+        "symfony/form": "^4.4",
+        "symfony/framework-bundle": "^4.4",
+        "symfony/security-bundle": "^4.4",
+        "symfony/templating": "^4.4",
+        "symfony/translation": "^4.4",
+        "symfony/twig-bundle": "^4.4",
+        "symfony/validator": "^4.4",
         "twig/twig": "^1.34 || ^2.4 || ^3.0"
     },
     "conflict": {
         "doctrine/doctrine-bundle": "<1.3",
         "doctrine/persistence": "<1.3",
-        "symfony/doctrine-bridge": "<2.7"
+        "symfony/doctrine-bridge": "<4.4"
     },
     "require-dev": {
         "doctrine/doctrine-bundle": "^1.3",
         "friendsofphp/php-cs-fixer": "^2.2",
         "swiftmailer/swiftmailer": "^4.3 || ^5.0 || ^6.0",
-        "symfony/console": "^2.8 || ^3.0 || ^4.0",
-        "symfony/phpunit-bridge": "^4.4 || ^5.3",
-        "symfony/yaml": "^2.8 || ^3.0 || ^4.0"
+        "symfony/console": "^4.4",
+        "symfony/phpunit-bridge": "^5.3",
+        "symfony/yaml": "^4.4"
     },
     "config": {
         "sort-packages": true