Drop support for Symfony 3 and 4

DependencyInjection/Configuration.php

@@ -14,7 +14,6 @@
 use function count;
 use function in_array;
 use function is_string;
-use function method_exists;
 use function strlen;
 use function strpos;
 use function strtoupper;
@@ -34,12 +33,7 @@ public function getConfigTreeBuilder(): TreeBuilder
     {
         $treeBuilder = new TreeBuilder('doctrine_migrations');
 
-        if (method_exists($treeBuilder, 'getRootNode')) {
-            $rootNode = $treeBuilder->getRootNode();
-        } else {
-            // BC layer for symfony/config 4.1 and older
-            $rootNode = $treeBuilder->root('doctrine_migrations', 'array');
-        }
+        $rootNode = $treeBuilder->getRootNode();
 
         $organizeMigrationModes = $this->getOrganizeMigrationsModes();
 

Tests/DependencyInjection/DoctrineMigrationsExtensionTest.php

@@ -32,7 +32,6 @@
 use Symfony\Component\DependencyInjection\Reference;
 
 use function assert;
-use function class_exists;
 use function sys_get_temp_dir;
 
 class DoctrineMigrationsExtensionTest extends TestCase
@@ -451,9 +450,7 @@ private function getContainer(array $config, ?array $dbalConfig = null, ?array $
 
         $container->getDefinition('doctrine.migrations.dependency_factory')->setPublic(true);
         $container->getDefinition('doctrine.migrations.configuration')->setPublic(true);
-        if (class_exists(CacheCompatibilityPass::class)) {
-            $container->addCompilerPass(new CacheCompatibilityPass());
-        }
+        $container->addCompilerPass(new CacheCompatibilityPass());
 
         return $container;
     }

composer.json

@@ -21,8 +21,8 @@
     ],
     "require": {
         "php": "^7.2|^8.0",
-        "symfony/framework-bundle": "~3.4|~4.0|~5.0|~6.0|~7.0",
-        "doctrine/doctrine-bundle": "~1.0|~2.0",
+        "symfony/framework-bundle": "^5.4 || ^6.0 || ^7.0",
+        "doctrine/doctrine-bundle": "^2.4",
         "doctrine/migrations": "^3.2"
     },
     "require-dev": {
@@ -32,8 +32,9 @@
         "phpstan/phpstan-deprecation-rules": "^1",
         "phpstan/phpstan-phpunit": "^1",
         "phpstan/phpstan-strict-rules": "^1.1",
+        "phpstan/phpstan-symfony": "^1.3",
         "doctrine/orm": "^2.6",
-        "doctrine/persistence": "^1.3||^2.0",
+        "doctrine/persistence": "^2.0 || ^3 ",
         "vimeo/psalm": "^4.22"
     },
     "autoload": {

phpstan.neon.dist

@@ -6,11 +6,11 @@ parameters:
         - %currentWorkingDirectory%/Tests
 
     ignoreErrors:
-        - '~.*TreeBuilder.*getRootNode.*~'
-        - '~.*TreeBuilder::root.*~'
         - '~Parameter \#1 \$configs.*DoctrineMigrationsExtension::load.*~'
 
 includes:
     - vendor/phpstan/phpstan-strict-rules/rules.neon
     - vendor/phpstan/phpstan-phpunit/extension.neon
     - vendor/phpstan/phpstan-phpunit/rules.neon
+    - vendor/phpstan/phpstan-symfony/extension.neon
+    - vendor/phpstan/phpstan-symfony/rules.neon