vendor/swiftmailer/classes/Swift/Validate.php


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42

<?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
            );
    }
}