PHP
(quick guide & example)
LIST OF SERVERS TO CALL $url = [ "http://siteA.com", "http://siteB.com" ];
CALLBACK FUNCTION - OUTPUT RESULTS function show ($res, $info) { echo $res; print_r($info); }
$mh = curl_multi_init();
foreach ($url as $u) { $c = curl_init(); curl_setopt($c, CURLOPT_URL, $u); curl_setopt($c, CURLOPT_RETURNTRANSFER, 1); curl_multi_add_handle($mh, $c); }
LOOP UNTIL ALL CURL DONE do { $exe = curl_multi_exec($mh, $now); if ($r = curl_multi_info_read($mh)) { $info = curl_getinfo($r["handle"]); show(curl_multi_getcontent ($r["handle"]), $info); curl_multi_remove_handle ($mh, $r["handle"]); } usleep(1000); } while ($exe == CURLM_CALL_MULTI_PERFORM || $now);
THE END curl_multi_close($mh);