ExtensionGuesserInterface.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\HttpFoundation\File\MimeType;


/**
 * Guesses the file extension corresponding to a given mime type
 */
interface ExtensionGuesserInterface {

  /**
   * Makes a best guess for a file extension, given a mime type
   *
   * @param string $mimeType The mime type
   * @return string          The guessed extension or NULL, if none could be guessed
   */
  public function guess($mimeType);

}