IniFileLoader.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Symfony\Component\DependencyInjection\Loader;

use Symfony\Component\Config\Resource\FileResource;
use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;

/**
 * IniFileLoader loads parameters from INI files.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class IniFileLoader extends FileLoader {

  /**
   * Loads a resource.
   *
   * @param mixed  $file The resource
   * @param string $type The resource type
   *
   * @throws InvalidArgumentException When ini file is not valid
   */
  public function load($file, $type = null) {
    $path = $this->locator
      ->locate($file);
    $this->container
      ->addResource(new FileResource($path));
    $result = parse_ini_file($path, true);
    if (false === $result || array() === $result) {
      throw new InvalidArgumentException(sprintf('The "%s" file is not valid.', $file));
    }
    if (isset($result['parameters']) && is_array($result['parameters'])) {
      foreach ($result['parameters'] as $key => $value) {
        $this->container
          ->setParameter($key, $value);
      }
    }
  }

  /**
   * Returns true if this class supports the given resource.
   *
   * @param mixed  $resource A resource
   * @param string $type     The resource type
   *
   * @return Boolean true if this class supports the given resource, false otherwise
   */
  public function supports($resource, $type = null) {
    return is_string($resource) && 'ini' === pathinfo($resource, PATHINFO_EXTENSION);
  }

}