Send Mail With Attachment In PHP

Function Calling:

mail_file( $to, $subject, $msg, $from, $_FILES['file']['tmp_name']);


Function Defination:

<?php


function mail_file( $to, $subject, $messagehtml, $from, $fileatt, $replyto="" )
{
   
        // read file into $data var
        $file = fopen($fileatt, "rb");
        $data = fread($file,  filesize( $fileatt ) );
        fclose($file);

        // split the file into chunks for attaching
        $content = chunk_split(base64_encode($data));
        $uid = md5(uniqid(time()));

        // build the headers for attachment and html
        $h = "From: $from\r\n";
        if ($replyto) $h .= "Reply-To: ".$replyto."\r\n";
        $h .= "MIME-Version: 1.0\r\n";
        $h .= "Content-Type: multipart/mixed; boundary=\"".$uid."\"\r\n\r\n";
        $h .= "This is a multi-part message in MIME format.\r\n";
        $h .= "--".$uid."\r\n";
        $h .= "Content-type:text/html; charset=iso-8859-1\r\n";
        $h .= "Content-Transfer-Encoding: 7bit\r\n\r\n";
        $h .= $messagehtml."\r\n\r\n";
        $h .= "--".$uid."\r\n";
        $h .= "Content-Type: ".$ftype."; name=\"".basename($fileatt)."\"\r\n";
        $h .= "Content-Transfer-Encoding: base64\r\n";
        $h .= "Content-Disposition: attachment; filename=\"".basename($fileatt)."\"\r\n\r\n";
        $h .= $content."\r\n\r\n";
        $h .= "--".$uid."--";
        //echo $messagehtml;
        // send mail
        return mail( $to, $subject, strip_tags($messagehtml), str_replace("\r\n","\n",$h) ) ;

    }

?>