Small class for sending emails

Mail.class.php

<?php

/**
 * @author kas-cor <[email protected]>
 * @link http://github.com/kas-cor repositories
 */

namespace cls;

class Mail {
    /**
     * Mail from
     * @var string
     */
    private $mailFrom;
    
    /**
     * Name from
     * @var string
     */
    private $mailName;
    
    /**
     * Footer mail
     * @var string
     */
    private $mailFooter;

    /**
     * Construct
     * @param string $mailFrom
     * @param string $mailName
     * @param string $mailFooter
     */
    public function __construct($mailFrom, $mailName, $mailFooter) {
        $this->mailFrom = $mailFrom;
        $this->mailName = $mailName;
        $this->mailFooter = $mailFooter;
    }
    
    /**
     * Send mail
     * @param string $email Mail to
     * @param string $subject Subject text
     * @param string $body Body text
     * @param array $attach Array files names
     * @return mail
     */
    public function send($email, $subject, $body, $attach = array()) {
        // Footer
        $body = $body . $this->mailFooter;
        // Param
        $un1 = strtoupper(md5("ddkvne5fjgje" . uniqid(time())));
        $un2 = strtoupper(md5("3tcvn6cvhdhf" . uniqid(time())));
        $name = "=?utf-8?B?" . base64_encode($this->convertToUtf8($this->mailName)) . "?=";
        $subject = "=?utf-8?B?" . base64_encode($this->convertToUtf8($subject)) . "?=";
        // HEAD
        $head = "Reply-To: " . $this->mailName . " <" . $this->mailFrom . ">\r\n";
        $head.="From: " . $this->mailName . " <" . $this->mailFrom . ">\r\n";
        $head.="To: " . $email . "\r\n";
        $head.="Subject: $subject\r\n";
        $head.="Organization: =?utf-8?B?" . base64_encode($this->convertToUtf8($this->mailName)) . "?=\r\n";
        $head.="X-Mailer: PHP/" . phpversion() . "\r\n";
        $head.="Mime-Version: 1.0\r\n";
        $head.="Content-Type: multipart/mixed; boundary=" . $un1 . "\r\n";
        // BODY
        $zag = "--" . $un1 . "\r\n";
        $zag.="Content-Type: multipart/alternative; boundary=" . $un2 . "\r\n";
        $zag.="\r\n";
        // HTML
        $zag.="--" . $un2 . "\r\n";
        $zag.="Content-Type: text/html; charset=utf-8\r\n";
        $zag.="Content-Transfer-Encoding: base64\r\n";
        $zag.="\r\n";
        // TEXT
        $zag.=chunk_split(base64_encode($this->convertToUtf8($body))) . "\r\n";
        $zag.="--" . $un2 . "--\r\n";
        $zag.="Content-Type: text/plain; charset=utf-8\r\n";
        $zag.="Content-Transfer-Encoding: base64\r\n";
        $zag.="\r\n";
        $zag.=chunk_split(base64_encode($this->convertToUtf8(strip_tags($body)))) . "\r\n";
        // Attachment
        if (!empty($attach)) {
            foreach ($attach as $file) {
                $f = fopen($file['filename'], "r");
                $content = fread($f, filesize($file['filename']));
                fclose($f);
                $zag.= "--$un1\r\n";
                $zag.= "Content-Type: application/octet-stream; name=\"" . $file['name'] . "\"\r\n";
                $zag.= "Content-Transfer-Encoding: base64\r\n";
                $zag.= "Content-Disposition: attachment; filename=\"" . $file['name'] . "\"\r\n";
                $zag.="\r\n";
                $zag.= chunk_split(base64_encode($content)) . "\r\n";
                $zag.="\r\n";
            }
        }
        $zag.="--" . $un1 . "--\r\n";
        return mail($email, $subject, $zag, $head);
    }

    /**
     * Convert to utf-8, if win-1251
     * @param type $text
     * @return type
     */
    private function convertToUtf8($text) {
        if (!preg_match("//u", $text)) {
            return iconv("windows-1251", "utf-8", $text);
        } else {
            return $text;
        }
    }
}

Useing

Without attachments

$mailFrom = "[email protected]";
$mailName = "Org. name";
$mailFooter = "<br /><hr />e-mail: <a href=\"mailto:" . $mailFrom . "\">" . $mailFrom . "</a>";
$mail = New Mail($mailFrom, $mailName, $mailFooter);
$to = "[email protected]";
$subject = "Test message";
$body = "Test\nTest\nTest";
echo $mail->send($to, $subject, $body);

With attachments

$mailFrom = "[email protected]";
$mailName = "Org. name";
$mailFooter = "<br /><hr />e-mail: <a href=\"mailto:" . $mailFrom . "\">" . $mailFrom . "</a>";
$mail = New Mail($mailFrom, $mailName, $mailFooter);
$to = "[email protected]";
$subject = "Test message";
$body = "Test\nTest\nTest";
$attach = array(
    "/path/to/file1",
    "/path/to/file2"
);
echo $mail->send($to, $subject, $body, $attach);