<?php

$check = urldecode( $_GET['check'] );
if ( substr( $check, 0, 7 ) != 'http://' and substr( $check, 0, 8 ) != 'https://' )
{
exit;
}

$response = @file_get_contents( $check );

if ( $response === FALSE )
{
echo "FAIL";
}
else
{
echo $response;
}

file_put_contents( "./monitor.txt", time() . "\n" . $_GET['notify'] );