final class Reflection in Drupal 10

Provides helper methods for reflection.

Hierarchy

• class \Drupal\Component\Utility\Reflection

3 files declare their use of Reflection

EntityResolverManager.php in core/lib/Drupal/Core/Entity/EntityResolverManager.php

ReflectionTest.php in core/tests/Drupal/Tests/Component/Utility/ReflectionTest.php

TaggedHandlersPass.php in core/lib/Drupal/Core/DependencyInjection/Compiler/TaggedHandlersPass.php

File

core/lib/Drupal/Component/Utility/Reflection.php, line 8

Namespace

Drupal\Component\Utility

final class Reflection {

  /**
   * Gets the parameter's class name.
   *
   * @param \ReflectionParameter $parameter
   *   The parameter.
   *
   * @return string|null
   *   The parameter's class name or NULL if the parameter is not a class.
   */
  public static function getParameterClassName(\ReflectionParameter $parameter) : ?string {
    $name = NULL;
    if ($parameter
      ->hasType() && !$parameter
      ->getType()
      ->isBuiltin()) {
      $name = $parameter
        ->getType()
        ->getName();
      $lc_name = strtolower($name);
      switch ($lc_name) {
        case 'self':
          return $parameter
            ->getDeclaringClass()
            ->getName();
        case 'parent':
          return ($parent = $parameter
            ->getDeclaringClass()
            ->getParentClass()) ? $parent->name : NULL;
      }
    }
    return $name;
  }

}