why does this code not show in web Email image send

Question

<?php

if (isset($_POST)&& !empty($_POST)){

//aaaaa

if (!empty($_FILES['attachment']['name'])){

$file_name = $_FILES['attachment']['name'];
$temp_name = $_FILES['attachment']['tmp_name'];
$file_type = $_FILES['attachment']['type'];

//aaa

$base = basename($file_name);
$extension = substr($base, strlen($base)-4, strlen($base));

//assss

$allowed_extensions = array(".doc".".docx",".pdf",".zip",".png");

//sasas

if(in_array($extension,$allowed_extensions)){

$from = $_POST['email'];
$to = "[e-mail]";
$subject = "sdasdasd";
$message = "asdasdasd";

//asass
$file = $temp_name
$content = chunk_split(base64_encode(file_get_contents($file)));

$uid = md5(uniqid(time()));

//asass

$header = "From: ".$from."\r\n";
$header = "Reply-To: ".$replyto."\r\n";
$header ..= "MIME-Version: 1.0\r\n";

//dddddd

$header .= "Content-Type: multipart/mixed; boundary=
"".$uid."\"\r\n\r\n";
$header .= "This is a multi-part message in MIME format.\r\n";

//assa

$header .= "--".$uid."\r\n";

$header .= "Content-Type: multipart/mixed; boundary=\"".$uid."\"\r\n\r\n";
$header .= "Content-Transfer-Encoding: base64\r\n";
$header .= "Content-Disposition: attachment; filename=\"".$file_name."\"\r\n\r\n";
$header .= "Content-type:text/plain; charset=iso-8859-1\r\n";
$header .= "Content-Transfer-Encoding: 7bit\r\n\r\n";

Answer 1

Can you show your markup code? so we know where and how you interact with it. :)