note 117810 added to function.curl-multi-getcontent

If I don't add the code bellow: $active = null; //execute the handles do { $mrc = curl_multi_exec($mh, $active); } while ($mrc == CURLM_CALL_MULTI_PERFORM); while ($active && $mrc == CURLM_OK) { if (curl_multi_select($mh) != -1) { do { $mrc = curl_multi_exec($mh, $active); } while ($mrc == CURLM_CALL_MULTI_PERFORM); } } I wantn't get the output by function curl_multi_getcontent($ch). but why? ---- Server IP: 72.52.91.14 Probable Submitter: 218.30.116.3 ---- Manual Page -- http://php.net/manual/en/function.curl-multi-getcontent.php Edit -- https://master.php.net/note/edit/117810 Del: integrated -- https://master.php.net/note/delete/117810/integrated Del: useless -- https://master.php.net/note/delete/117810/useless Del: bad code -- https://master.php.net/note/delete/117810/bad+code Del: spam -- https://master.php.net/note/delete/117810/spam Del: non-english -- https://master.php.net/note/delete/117810/non-english Del: in docs -- https://master.php.net/note/delete/117810/in+docs Del: other reasons-- https://master.php.net/note/delete/117810 Reject -- https://master.php.net/note/reject/117810 Search -- https://master.php.net/manage/user-notes.php