<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>z64</title>
</head>
<body style="text-align: center">
<br><br>
<h2>لینک مورد نظر یافت نشد</h2>
<?php
if (strlen($data) == 4) {
    echo "<h4>$data</h4>";
}
?>
</body>
</html>
