<form action="form.php" method="post">
<textarea name="url"></textarea>
<input type="submit" value="Gonder" />
</form>
<?php
/**
 * @author 
 * @copyright 2010
 */
$dizi = explode("\n", $_POST['url']);
foreach($dizi as $link) {
  echo $link."<br />";
}  
?>