<?php if(isset($_GET['link'])) { $link = $_GET['link']; //remove protocol, we're assuming its http if(strstr($link, '://') != false){ $link = substr($link, strpos($link,'://') + strlen('://')); } //split the url into host (www.example.com) and requested page (index.php) on the first slash $host = substr($link, 0, strpos($link, '/')); $request = substr($link, strpos($link, '/')); //open a socket connection to the site on port 80 (http protocol port) $fp = @fsockopen($host, 80, $errno, $errstr); if($fp == false){ $response= "Hallo"; $response = $errno . " " . $errstr; } else { //create the request headers $headers = array(); $headers[] = 'HEAD ' . $request . ' HTTP/1.1'; $headers[] = 'Host: ' . $host; //$headers[] = 'Content-Length: 0'; $headers[] = 'Connection: close'; $headers[] = 'Content-Type: application/json; charset=utf-8'; $headers = implode("\r\n", $headers) . "\r\n\r\n"; //send our request if (!fwrite($fp, $headers)) { fclose($fp); $response = "Hallo."; } else { //read the response $rsp = ''; while(!feof($fp)) { $rsp .= fgets($fp,8192); } //fclose($fp); /* $hunks = explode("\r\n\r\n",trim($rsp)); $headers = explode("\n", $hunks[count($hunks) - 1]); $response = trim($headers[0]);*/ $response= $rsp; } } } ?> <html> <head> <title>Test Link</title> </head> <body> <?php if(isset($response)) { echo $response; } ?> <form method="get"> <label for="link">Link</label> <input id="link" type="text" name="link" /> </form> </body> </html>