remove

<center>
<form action="" method="post">
<textarea name="silit" style="margin: 0px; height: 232px; width: 476px"></textarea>
<br><input type="submit" name="mencret" value="Kirim Url"><input type="submit" name="mencrets" value="Remove Clones">
</form><br>
<?php
error_reporting(0);
if(isset($_POST['mencret'])) {
echo "<textarea  style='margin: 0px; height: 232px; width: 476px;'>";
$re = "/:\\/\\/(.*?)\\//";
preg_match_all($re, $_POST['silit'], $cuk);
foreach ($cuk[1] as $key => $value) {
  echo "http://".$value."\r\n";

 }
}
if(isset($_POST['mencrets'])) {
echo "<textarea  style='margin: 0px; height: 232px; width: 476px;'>";
 $fgt = explode("\r\n", $_POST['silit']);
 $fgt = array_unique($fgt);
 foreach ($fgt as $key => $value) {
  echo $value."\r\n";
 }
}
echo"</textarea>";
?>