curl_multi_getcontent() can return null

Author: staabm

resources/functionMap.php

@@ -1497,7 +1497,7 @@
 'curl_multi_close' => ['void', 'mh'=>'resource'],
 'curl_multi_errno' => ['int', 'mh'=>'resource'],
 'curl_multi_exec' => ['int', 'mh'=>'resource', '&w_still_running'=>'int'],
-'curl_multi_getcontent' => ['string', 'ch'=>'resource'],
+'curl_multi_getcontent' => ['string|null', 'ch'=>'resource'],
 'curl_multi_info_read' => ['array|false', 'mh'=>'resource', '&w_msgs_in_queue='=>'int'],
 'curl_multi_init' => ['resource'],
 'curl_multi_remove_handle' => ['int', 'mh'=>'resource', 'ch'=>'resource'],