How to send email with attachment using PHP?

[P]

I am using following code for sending email with attachment but the proper file is not getting attach with mail.\[code\]$UnidID = $_COOKIE['UniqueID'];$guid = $_COOKIE['guid'];$target_path = "userdata/".$UniqueID."/".$iGuid."/Outputs";$fname = getpathmail($UnidID,$guid);$target_path = $target_path.$filname;$fileatt_type = "application/fbf"; // File Type$fileatt_name = $fname; $data = http://stackoverflow.com/questions/2027069/$target_path;$email_from ="[email protected]"; $email_subject = "EHP/PPP process";$email_message = "Processed result for EHP/PPP processing";$email_to = $_GET['Email'] ; $headers = "From: ".$email_from;$semi_rand = md5(time());$mime_boundary = "==Multipart_Boundary_x{$semi_rand}x";$headers .= "\nMIME-Version: 1.0\n" ."Content-Type: multipart/mixed;\n" ." boundary=\"{$mime_boundary}\"";$email_message .= "This is a multi-part message in MIME format.\n\n" ."--{$mime_boundary}\n" ."Content-Type:text/html; charset=\"iso-8859-1\"\n" ."Content-Transfer-Encoding: 7bit\n\n" .$email_message .= "\n\n";$data = http://stackoverflow.com/questions/2027069/chunk_split(base64_encode($data));$email_message .="--{$mime_boundary}\n" ."Content-Type: {$fileatt_type};\n" ." name=\"{$fileatt_name}\"\n" ."Content-Transfer-Encoding: base64\n\n" .$data .= "\n\n" ."--{$mime_boundary}--\n";$ok = @mail($email_to, $email_subject, $email_message, $headers);\[/code\]Thanks in AdvanceHemant