Post data from string PHP

HI, I want to post slice string and make data out of it to post in in below method How to make the post fields dynamic in PHP ? <? $url = '[login to view URL]'; $string = "name=John|age=33|country=USA|.................." // what post fields? $fields = array( 'name' => John, 'age' => 33, 'country' => USA, . . . . ); // build the urlencoded data $postvars = http_build_query($fields); // open connection $ch = curl_init(); // set the url, number of POST vars, POST data curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_POST, count($fields)); curl_setopt($ch, CURLOPT_POSTFIELDS, $postvars); // execute post $result = curl_exec($ch); // close connection curl_close($ch); ?>