SimpleMail

<?php
    class SimpleMail {
        public $to;
        public $from;
        public $fromName;
        public $subject;
        public $cc;
        public $bcc;
        public $message;
 
        private $uid;
        private $mailer;
        private $attachments;
 
        public function __construct($to = null, $from = null, $subject = null, $message = null) {
            if(!empty($to) && !empty($from)) {
                $this->to = $to;
                $this->from = $from;
 
                if(!empty($subject)) {
                    $this->subject = $subject;
                }
                if(!empty($message)) {
                    $this->message = $message;
                }
            }
 
            $this->mailer = "PHP " . phpversion();
            $this->attachments = array();
        }
 
        public function SetMailer($mailer) {
            if(!empty($mailer) && is_string($mailer)) {
                $this->mailer = $mailer;
            }
        }
 
        public function SetTo($to) {
            if(!empty($to) && is_string($to)) {
                $this->to = $to;
            }
        }
 
        public function SetFrom($from) {
            if(!empty($from) && is_string($from)) {
                $this->from = $from;
            }
        }
 
        public function SetSubject($subject) {
            if(!empty($subject) && is_string($subject)) {
                $this->subject = $subject;
            }
        }
 
        public function AddCC($email) {
            if(!empty($email) && is_string($email)) {
                if(strlen($this->cc) > 0) {
                    $this->cc .= ",".$email;
                }
                else {
                    $this->cc = $email;
                }
            }
        }
 
        public function AddBCC($email) {
            if(!empty($email) && is_string($email)) {
                if(strlen($this->bcc) > 0) {
                    $this->bcc .= ",".$email;
                }
                else {
                    $this->bcc = $email;
                }
            }
        }
 
        public function AddMessage($message) {
            if(!empty($message) && is_string($message)) {
                $this->message = $message;
            }
        }
 
        public function AddAttachment($attachment) {
            if(file_exists($attachment)) {
                $attachmentInfo = array();
 
                $this->uid = "==Multipart_Boundary_x{" . md5(uniqid(time())) . "}x";
                $attachmentInfo['Attachment'] = $attachment;
                $attachmentInfo['Size'] = filesize($attachment);
 
                $fp = fopen($attachment, "rb");
                flock($fp, LOCK_SH);
                $data = fread($fp, filesize($attachment) + 1);
                flock($fp, LOCK_UN);
                fclose($fp);
 
                $attachmentInfo['Content'] = chunk_split(base64_encode($data), 64);
 
                $extStart = strrpos($this->attachment, ".");
                $attachmentInfo['Extension'] = substr($attachmentInfo['Attachment'], $extStart, (strlen($attachmentInfo['Attachment']) - $extStart));
                $attachmentInfo['Name'] = self::GenerateRandomFilename($attachmentInfo['Extension']);
                $attachmentInfo['Mime'] = "application/octet-stream; name=\"{$attachmentInfo['Name']}\"
 
";
 
                $this->attachments[] = $attachmentInfo;
            }
        }
 
        public function SendMessage($to = null, $from = null, $subject = null) {
            if(empty($to) && !empty($this->to)) { $to = $this->to; }
            if(empty($from) && !empty($this->from)) { $from = $this->from; }
            if(empty($subject) && !empty($this->subject)) { $subject = $this->subject; }
            if(empty($to) || empty($from) || empty($subject)) { return false; }
 
            $headers = "";
            $headers.= "From: {$this->fromName} <{$from}>
";
            $headers.= "Reply-To: {$to}
";
            $headers.= "Subject: {$subject}
";
            $headers.= "X-Mailer: {$this->mailer}
";
            $headers.= "MIME-Version: 1.0
";
            $headers.= "Content-Type: multipart/mixed; boundary=\"{$this->uid}\"
";
            $headers.= "--{$this->uid}
";
            $headers.= "Content-Type: text/plain; charset=\"iso-8859-1\"
";
            $headers.= "Content-Trasfer-Encoding: 7bit
 
";
            $headers.= $this->message . "
 
";
 
            if(!empty($this->attachments) && is_array($this->attachments)) {
                foreach($this->attachments as $attactment) {
                    $headers.= "--{$this->uid}
";
                    $headers.= "Content-Type: application/octet-stream; name=\"{$attactment['Name']}\"
";
                    $headers.= "Content-Transfer-Encoding: base64
";
                    $headers.= "Content-Disposition: attachment; filename=\"{$attactment['Name']}\"
 
";
                    $headers.= $attactment['Content'] . "
 
";
                }
            }
 
            $headers.= "--{$this->uid}--";
 
            if(mail($to, $from, "", $headers)) {
                return true;
            }
            return false;
        }
 
        private function GenerateRandomFilename($extension) {
            $chars = "abcdefghijklmnopqrstuvwxyz0123456789";
            $salt = "";
 
            for($i = 0; $i < mt_rand(5, 25); $i++) {
                $salt.= $chars{$i};    
            }
 
            $fname = md5($salt . time());
            return $fname . $extension; 
        }
    }
?>