Kodlar;
<?php
if (isset($_POST['link'])) {
$url = $_POST['link'];
if(strstr($url, "youtube")) {
parse_str( parse_url( $url, PHP_URL_QUERY ), $my_array_of_vars );
$bilgi = '<iframe src="//api.listenvid.com/?default/'.$my_array_of_vars['v'].'/mp3/white" width="100%" height="100px" scrolling="no" style="border:none;">';
}
else {
$bilgi = '<font color="red" >Geçerli bir link giriniz</font>';
}
}
?>
<form action="" method="post">
<input type="text" name="link" placeholder="Youtube Linki Giriniz. ">
<input type="submit">
</form>
<?php echo $bilgi; ?>