мультикурл без ожидания

$arr_post=array("111.111.111.111"=>"test=test",..........);
foreach($arr_post as $ip=>$post){
    if($ch=curl_init($ip)){
        curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,0);
        curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,FALSE);
        curl_setopt($ch,CURLOPT_HEADER,FALSE);
        curl_setopt($ch,CURLOPT_RETURNTRANSFER,FALSE);
        curl_setopt($ch,CURLOPT_USERAGENT,'Mozilla/5.0 (Windows NT 5.1; rv:42.0) Gecko/20100101 Firefox/42.0');
        curl_setopt($ch,CURLOPT_TIMEOUT,5);
        curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,5);
        curl_setopt($ch,CURLOPT_POST,1);
        curl_setopt($ch,CURLOPT_POSTFIELDS,urldecode($post));
        curl_multi_add_handle($multi,$ch);
        $answer_system[]=$ch;
        }
    }       
$active=NULL;
do{ $mrc=curl_multi_exec($multi, $active); } while($mrc==CURLM_CALL_MULTI_PERFORM);
while($active && $mrc==CURLM_OK){ if(curl_multi_select($multi)!= -1){ do{ $mrc=curl_multi_exec($multi, $active); } while($mrc==CURLM_CALL_MULTI_PERFORM); }}
foreach($answer_system as $ch){ curl_multi_remove_handle($multi,$ch); }
curl_multi_close($multi);