function exec()
{
# http://www.php.net/manual/en/function.curl-multi-exec.php
$active = null;
do {
$mrc = curl_multi_exec($this->handle, $active);
} while ($mrc == CURLM_CALL_MULTI_PERFORM);
while ($active && $mrc == CURLM_OK) {
if (curl_multi_select($this->handle, xhttp_multi::curl_multi_select_timeout) != -1) {
do {
$mrc = curl_multi_exec($this->handle, $active);
} while ($mrc == CURLM_CALL_MULTI_PERFORM);
}
}
$responses = array();
foreach ($this->requests as $request) {
$response = curl_multi_getcontent($request['handle']);
$responses[] = xhttp::after_curl_execution($request['handle'], $response, $request['data']);
}
xhttp_multi::stop();
return $responses;
}
