// take the referer $thereferer = strtolower($_SERVER['HTTP_REFERER']); // see if it comes from google if (strpos($thereferer,"google")) { // delete all before q= $a = substr($thereferer, strpos($thereferer,"q=")); // delete q= $a = substr($a,2); // delete all FROM the next & onwards if (strpos($a,"&")) { $a = substr($a, 0,strpos($a,"&")); } // we have the results. $mygooglekeyword = urldecode($a); }