Add Swift Mailer to send mails

htdocs/includes/swiftmailer/lib/classes/Swift/Validate.php

@@ -0,0 +1,43 @@
+<?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
+            );
+    }
+}