Skype API Access (PHP)

<?php
error_reporting(0);
echo "<form method='post'>";
echo "Skype: <input type='text' name='skypeid'><br>";
echo "<input type='submit' name='submit' value='Submit'></form>";
if(isset($_POST['submit'])) { $skypeid = $_POST['skypeid'];
if(!isset($skypeid) or empty($skypeid)) { echo "Enter a username."; exit(); }
$resolve = file_get_contents("http://stankgrounds.com/api.php?username=" . $skypeid);
if($resolve == "This is Crayawns API") { echo "This is Crayawns API"; exit(); }
echo trim($resolve, "<b>Crayawns API</b><br />");
}
?>