Gekürzter Link - Originallink einblenden

<?php //nur kopiert
class url{
        function get_location_header($url){
                $ch = curl_init();
                curl_setopt($ch, CURLOPT_URL, $url);
                curl_setopt($ch, CURLOPT_HEADER, true);
                curl_setopt($ch, CURLOPT_FOLLOWLOCATION, false);
                curl_setopt($ch, CURLOPT_NOBODY, true);
                curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
                curl_setopt($ch, CURLOPT_TIMEOUT, 3);
                $response = curl_exec ($ch);
                curl_close ($ch);
                preg_match("~(http://.*)~", $response, $match);  
                return $match;
        }
 
        function cache_save($file, $content){
                $f = fopen('cache/'.$file, 'w+');  
                fwrite($f, $content);
                fclose($f);
        }
 
        function long_url($short_url){
                $patterns = array('goo\.gl', 'tinyurl\.com', 'bit\.ly');  
                $header = $this->get_location_header($short_url);
                if ($header){
                        $long_url = $header;
                        return $long_url;
                }
        }
}
 
$url = new url();
echo $url->long_url('http://goo.gl/0A3kH').'<br />';  
echo $url->long_url('http://tinyurl.com/5b2su2').'<br />';  
echo $url->long_url('http://bit.ly/4Agih5');