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<?php
/*
* This file is part of SwiftMailer.
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Utility Class allowing users to simply check expressions again Swift Grammar.
*
* @author Xavier De Cock <xdecock@gmail.com>
*/
class Swift_Validate
{
/**
* Grammar Object.
*
* @var Swift_Mime_Grammar
*/
private static $grammar = null;
/**
* Checks if an e-mail address matches the current grammars.
*
* @param string $email
*
* @return bool
*/
public static function email($email)
{
if (self::$grammar === null) {
self::$grammar = Swift_DependencyContainer::getInstance()
->lookup('mime.grammar');
}
return (bool) preg_match(
'/^'.self::$grammar->getDefinition('addr-spec').'$/D',
$email
);
}
}
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