1 <?php

     2 /*

     3  * This file is part of SwiftMailer.

     4  *

     5  * For the full copyright and license information, please view the LICENSE

     6  * file that was distributed with this source code.

     7  */

     8 

     9 /**

    10  * Utility Class allowing users to simply check expressions again Swift Grammar

    11  * @package Swift

    12  * @author Xavier De Cock <xdecock@gmail.com>

    13  */

    14 class Swift_Validate

    15 {

    16   /**

    17    * Grammar Object

    18    * @var Swift_Mime_Grammar

    19    */

    20   private static $grammar = null;

    21   

    22   /**

    23    * Checks if an email matches the current grammars

    24    * @param string $email

    25    */

    26   public static function email($email)

    27   {

    28     if (self::$grammar===null)

    29     {

    30       self::$grammar = Swift_DependencyContainer::getInstance()

    31         ->lookup('mime.grammar');

    32     }

    33     return preg_match(

    34         '/^' . self::$grammar->getDefinition('addr-spec') . '$/D',

    35         $email

    36       );

    37   }

    38 }