Mass coinurl

<!DOCTYPE html>
<html>
<head>
    <title>SHOR7CUT</title>
</head>
<body>

<form action="" method="post">
    <textarea name="url"></textarea>
    <input type="submit" name="submit">
</form>
<?php
$toket = "567743974ca58451978xxx";
if($_POST['submit']){
$data = $_POST['url'];
$ex = explode("\r\n", $data);
foreach ($ex as $key) {
    $short = file_get_contents("https://coinurl.com/api.php?uuid=$toket&url=".$key);
    echo "$key -> $short <br>";
    flush();
    ob_flush();
}
}


?>
</body>
</html>