Resolve deprecations, drop support for non-supported Symfony versions

composer.json

@@ -12,23 +12,23 @@
         }
     ],
     "require": {
-        "php": ">=7.0",
-        "symfony/config": "~3.4 || ~4.3 || ~5.0 || ~6.0",
-        "symfony/console": "~3.4 || ~4.3 || ~5.0 || ~6.0",
-        "symfony/dependency-injection": "~3.4 || ~4.3 || ~5.0 || ~6.0",
-        "symfony/filesystem": "~3.4 || ~4.3 || ~5.0 || ~6.0",
-        "symfony/finder": "~3.4 || ~4.3 || ~5.0 || ~6.0",
-        "symfony/form": "~3.4 || ~4.3 || ~5.0 || ~6.0",
-        "symfony/framework-bundle": "~3.4 || ~4.3 || ~5.0 || ~6.0",
-        "symfony/http-foundation": "~3.4 || ~4.3 || ~5.0 || ~6.0",
-        "symfony/http-kernel": "~3.4 || ~4.3 || ~5.0 || ~6.0",
-        "symfony/options-resolver": "~3.4 || ~4.3 || ~5.0 || ~6.0",
-        "symfony/process": "~3.4 || ~4.3 || ~5.0 || ~6.0",
-        "twig/twig": "~1.38 || ~2.15 || ~3.0"
+        "php": ">=8.1",
+        "symfony/config": "^4.4 || ^5.4 || ^6.2",
+        "symfony/console": "^4.4 || ^5.4 || ^6.2",
+        "symfony/dependency-injection": "^4.4 || ^5.4 || ^6.2",
+        "symfony/filesystem": "^4.4 || ^5.4 || ^6.2",
+        "symfony/finder": "^4.4 || ^5.4 || ^6.2",
+        "symfony/form": "^4.4 || ^5.4 || ^6.2",
+        "symfony/framework-bundle": "^4.4 || ^5.4 || ^6.2",
+        "symfony/http-foundation": "^4.4 || ^5.4 || ^6.2",
+        "symfony/http-kernel": "^4.4 || ^5.4 || ^6.2",
+        "symfony/options-resolver": "^4.4 || ^5.4 || ^6.2",
+        "symfony/process": "^4.4 || ^5.4 || ^6.2",
+        "twig/twig": "^2.15 || ^3.0"
     },
     "require-dev": {
-        "symfony/string": "~5.0",
-        "symfony/lock": "~3.4 || ~4.3 || ~5.0",
+        "symfony/string": "^4.4 || ^5.4 || ^6.2",
+        "symfony/lock": "^4.4 || ^5.4 || ^6.2",
         "phpunit/phpunit": "^9.5"
     },
     "suggest": {

src/Command/LatexTestCommand.php

@@ -18,15 +18,8 @@
 
 class LatexTestCommand extends Command
 {
-  /**
-   * @var LatexGeneratorInterface
-   */
-  private $latexGenerator;
-
-  public function __construct(LatexGeneratorInterface $latexGenerator) {
+  public function __construct(private readonly LatexGeneratorInterface $latexGenerator) {
     parent::__construct();
-
-    $this->latexGenerator = $latexGenerator;
   }
 
   protected function configure() {
@@ -36,7 +29,7 @@ protected function configure() {
         ->addArgument('no-pdf', InputArgument::OPTIONAL, 'Do not generate a PDF test file');
   }
 
-  protected function execute(InputInterface $input, OutputInterface $output) {
+  protected function execute(InputInterface $input, OutputInterface $output): int {
     $latex          = new Article('BobvLatexTest');
     $latex->addPackage('lipsum');
     $latex->addElement(new TitlePage('Bobv Latex Test', 'a subtitle', 'an author'));
@@ -62,5 +55,7 @@ protected function execute(InputInterface $input, OutputInterface $output) {
     $generatedLocation = $this->latexGenerator->generate($latex);
 
     $output->writeln($generatedLocation);
+
+    return 0; // Success
   }
 }

src/DependencyInjection/Configuration.php

@@ -19,18 +19,7 @@ class Configuration implements ConfigurationInterface
   public function getConfigTreeBuilder() {
     $treeBuilder = new TreeBuilder('bobv_latex');
 
-    if (method_exists($treeBuilder, 'getRootNode')) {
-      $rootNode = $treeBuilder->getRootNode();
-    } else {
-      // for symfony/config 4.1 and older
-      $rootNode = $treeBuilder->root('bobv_latex');
-    }
-
-    // Here you should define the parameters that are allowed to
-    // configure your bundle. See the documentation linked above for
-    // more information on that topic.
-
-    $rootNode
+    $treeBuilder->getRootNode()
         ->children()
           ->arrayNode('escaping')
             ->addDefaultsIfNotSet()

src/Form/Type/LatexType.php

@@ -89,23 +89,23 @@ public function buildView(FormView $view, FormInterface $form, array $options)
   /**
    * {@inheritdoc}
    */
-  public function getName()
+  public function getName(): string
   {
     return $this->getBlockPrefix();
   }
 
   /**
    * {@inheritdoc}
    */
-  public function getBlockPrefix()
+  public function getBlockPrefix() : string
   {
     return 'bobv_latex';
   }
 
   /**
    * {@inheritdoc}
    */
-  public function getParent()
+  public function getParent(): ?string
   {
     $ivory_form_class = 'Ivory\CKEditorBundle\Form\Type\CKEditorType';
     $fos_form_class   = 'FOS\CKEditorBundle\Form\Type\CKEditorType';
@@ -121,13 +121,4 @@ public function configureOptions(OptionsResolver $resolver)
   {
     $resolver->setDefaults(self::getDefaultConfig());
   }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function setDefaultOptions(OptionsResolver $resolver)
-  {
-    $this->configureOptions($resolver);
-  }
-
 }