My PHP code\[code\] $urlArray = array('http://firsturl.com', 'http://secondurl.com'); $nodeCount = count($urlArray); $chContainter = array(); $mh = curl_multi_init(); for($i = 0; $i < $nodeCount; $i++) { $chContainter[$i] = curl_init(); curl_setopt($chContainter[$i], CURLOPT_URL, $urlArray[$i]); curl_setopt($chContainter[$i], CURLOPT_HEADER, 0); curl_setopt($chContainter[$i], CURLOPT_RETURNTRANSFER,1); curl_multi_add_handle($mh,$chContainter[$i]); } \[/code\]is generating the following warning\[quote\] Warning: (null)(): 4 is not a valid cURL handle resource in Unknown on line 0 Warning: (null)(): 5 is not a valid cURL handle resource in Unknown on line 0\[/quote\]I did some debugging and found out the warning was generated when I try to add curl handle to the $mh.Please help. Thanks.