<?php
 
 
// USAGE
// $mailer = new AttachMailer("emailer@maggsweb.com", "you@yourdomain.com", "Email Sender", "hello <b>content</b>");
// $mailer->attachFile("a.pdf");
// $mailer->attachFile("b.pdf");
// $mailer->send() ? "Success": "Ooops, an Error occurred!";
 
 
/*
 * send emails with pdf attachment
 */
 
class AttachMailer{
 
	private $from, $to, $subject, $mess, $hash, $output;
	private $documents = Array();
 
	/*
	 * @params from: sender (email format)
	 * 		   to : recipient (email format)
	 * 		   subject : Subject line
	 * 		   mess : HTML formatted message
	 */
	function __construct($_from, $_to, $_subject, $_mess){
		$this->from = $_from;
		$this->to = $_to;
		$this->subject = $_subject;
		$this->mess = $_mess;
		$this->hash = md5(date('r', time()));
	}
 
	/*
	 * @params url : document path
	 */	
	public function attachFile($url, $name = ""){
		$attachment = chunk_split(base64_encode(file_get_contents($url)));
		$docName    = $name == "" ? basename($url) : $name;
		$randomHash = $this->hash;
		$docOutput = "--PHP-alt-$randomHash--\r\n\r\n"
					 ."--PHP-mixed-$randomHash\r\n"
					 ."Content-Type: application/pdf; name=\"$docName\" \r\n"
					 ."Content-Transfer-Encoding: base64 \r\n"
					 ."Content-Disposition: attachment \r\n\r\n"
					 .$attachment . "\r\n";
		$this->documents[] = $docOutput;
	}
 
	private function makeMessage(){
		$randomHash = $this->hash;
		$messageOutput = "--PHP-mixed-$randomHash\r\n"
						 ."Content-Type: multipart/alternative; boundary=PHP-alt-$randomHash\r\n\r\n"
						 ."--PHP-alt-$randomHash\r\n"
						 ."Content-Type: text/plain; charset='iso-8859-1'\r\n"
						 ."Content-Transfer-Encoding: 7bit\r\n\r\n"
						 .$this->mess . "\r\n\r\n"
						 ."--PHP-alt-$randomHash\r\n"
						 ."Content-Type: text/html; charset='iso-8859-1'\r\n"
						 ."Content-Transfer-Encoding: 7bit\r\n\r\n"
						 . $this->mess . "\r\n";
 
		foreach($this->documents as $document){
			$messageOutput .= $document; 
		}
		$messageOutput .="--PHP-mixed-$randomHash;--";
		$this->output = $messageOutput;
	}
 
	public function send(){
		$this->makeMessage();
		$from = $this->from;
		$randomHash = $this->hash;
		$headers = "From: $from\r\nReply-To: $from";
		$headers .= "\r\nContent-Type: multipart/mixed; boundary=\"PHP-mixed-$randomHash\"";
		$mail_sent = @mail( $this->to, $this->subject, $this->output, $headers );
		return $mail_sent ? true : false;
	}
 
}

 
<?php
 
//define the receiver of the email 
$to = 'youraddress@example.com'; 
 
//define the subject of the email 
$subject = 'Test email with attachment'; 
 
//create a boundary string. It must be unique 
//so we use the MD5 algorithm to generate a random hash 
$random_hash = md5(date('r', time())); 
 
//define the headers we want passed. Note that they are separated with \r\n 
$headers = "From: webmaster@example.com\r\nReply-To: webmaster@example.com"; 
//add boundary string and mime type specification 
 
$headers .= "\r\nContent-Type: multipart/mixed; boundary=\"PHP-mixed-".$random_hash."\""; 
 
//read the atachment file contents into a string,
//encode it with MIME base64,
//and split it into smaller chunks
$attachment = chunk_split(base64_encode(file_get_contents('attachment.zip'))); 
 
//define the body of the message. 
 
ob_start(); //Turn on output buffering 
?> 
--PHP-mixed-<?php echo $random_hash; ?>  
Content-Type: multipart/alternative; boundary="PHP-alt-<?php echo $random_hash; ?>" 
 
--PHP-alt-<?php echo $random_hash; ?>  
Content-Type: text/plain; charset="iso-8859-1" 
Content-Transfer-Encoding: 7bit
 
Hello World!!! 
This is simple text email message. 
 
--PHP-alt-<?php echo $random_hash; ?>  
Content-Type: text/html; charset="iso-8859-1" 
Content-Transfer-Encoding: 7bit
 
<h2>Hello World!</h2> 
<p>This is something with <b>HTML</b> formatting.</p> 
 
--PHP-alt-<?php echo $random_hash; ?>-- 
 
--PHP-mixed-<?php echo $random_hash; ?>  
Content-Type: application/zip; name="attachment.zip"  
Content-Transfer-Encoding: base64  
Content-Disposition: attachment  
 
<?php echo $attachment; ?> 
--PHP-mixed-<?php echo $random_hash; ?>-- 
 
<?php 
//copy current buffer contents into $message variable and delete current output buffer 
$message = ob_get_clean(); 
//send the email 
$mail_sent = @mail( $to, $subject, $message, $headers ); 
//if the message is sent successfully print "Mail sent". Otherwise print "Mail failed" 
echo $mail_sent ? "Mail sent" : "Mail failed"; 
?>