php 邮箱发送附件实例程序

class AttachmentMail {
 private $from = 'yours@email.com';
 private $from_name = 'Your Name';
 private $reply_to = 'yours@email.com';
 private $to = '';
 private $subject = '';
 private $message = '';
 private $attachment = '';
 private $attachment_filename = '';

 public function __construct($to, $subject, $message, $attachment = '', $attachment_filename = '') {
  $this -> to = $to;
  $this -> subject = $subject;
  $this -> message = $message;
  $this -> attachment = $attachment;
  $this -> attachment_filename = $attachment_filename;
 }

 public function mail() {
  if (!empty($this -> attachment)) {
   $filename = empty($this -> attachment_filename) ? basename($this -> attachment) : $this -> attachment_filename ;
   $path = dirname($this -> attachment);
   $mailto = $this -> to;
   $from_mail = $this -> from;
   $from_name = $this -> from_name;
   $replyto = $this -> reply_to;
   $subject = $this -> subject;
   $message = $this -> message;

      $file = $path.'/'.$filename;
      $file_size = filesize($file);
      $handle = fopen($file, "r");
      $content = fread($handle, $file_size);
      fclose($handle);
      $content = chunk_split(base64_encode($content));
      $uid = md5(uniqid(time()));
      $name = basename($file);
      $header = "From: ".$from_name." <".$from_mail."> ";
      $header .= "Reply-To: ".$replyto." ";
      $header .= "MIME-Version: 1.0 ";
      $header .= "Content-Type: multipart/mixed; boundary="".$uid."" ";
      $header .= "This is a multi-part message in MIME format. ";
      $header .= "--".$uid." ";
      $header .= "Content-type:text/plain; charset=iso-8859-1 ";
      $header .= "Content-Transfer-Encoding: 7bit ";
      $header .= $message." ";
      $header .= "--".$uid." ";
      $header .= "Content-Type: application/octet-stream; name="".$filename."" "; // use diff. tyoes here
      $header .= "Content-Transfer-Encoding: base64 ";
      $header .= "Content-Disposition: attachment; filename="".$filename."" ";
      $header .= $content." ";
      $header .= "--".$uid."--";

      if (mail($mailto, $subject, "", $header)) {
       return true;
      } else {
          return false;
      }
  } else {
      $header = "From: ".($this -> from_name)." <".($this -> from)."> ";
      $header .= "Reply-To: ".($this -> reply_to)." ";
      if (mail($this -> to, $this -> subject, $this -> message, $header)) {
       return true;
      } else {
          return false;
      }

  }
 }
}

?>

调用方法
require ('Email-Attachment.php');

$sendit = new AttachmentEmail('marry@example.com', 'Merry Christmas!', 'Hi', '/home/racker/gift.jpg');
$sendit -> mail();
?>