InputBag.php in Drupal 9

Namespace

Drupal\Core\Http

File

core/lib/Drupal/Core/Http/InputBag.php

<?php

namespace Drupal\Core\Http;

use Symfony\Component\HttpFoundation\ParameterBag;

/**
 * Forward compatibility class for Symfony 5.
 *
 * @internal only used as a bridge from Symfony 4 to Symfony 5, will be removed
 *   in drupal:10.0.0.
 */
final class InputBag extends ParameterBag {

  /**
   * Returns the parameters.
   *
   * @param string|null $key
   *   The name of the parameter to return or null to get them all.
   *
   * @return array
   *   An array of parameters.
   */
  public function all(string $key = NULL) : array {
    if ($key === NULL) {
      return $this->parameters;
    }
    $value = $this->parameters[$key] ?? [];
    if (!is_array($value)) {
      throw new \UnexpectedValueException(sprintf('Unexpected value for parameter "%s": expecting "array", got "%s".', $key, get_debug_type($value)));
    }
    return $value;
  }

}

Classes

Name	Description
InputBag	Forward compatibility class for Symfony 5.