(PHP 5, PHP 7)
Run the sub-connections of the current cURL handle
int curl_multi_exec ( resource $mh, int &$still_running )
Processes each of the handles in the stack. This method can be called whether or not a handle needs to read or write data.
Parameters:
mh
A cURL multi handle returned by curl_multi_init().
still_running
A reference to a flag to tell whether the operations are still running.
Returns:
A cURL code defined in the cURL Predefined Constants.
Note:
This only returns errors regarding the whole multi stack. There might still have occurred problems on individual transfers even when this function returns
CURLM_OK
.
Examples:
curl_multi_exec() example
This example will create two cURL handles, add them to a multi handle, and process them asynchronously.
<?php // create both cURL resources $ch1 = curl_init(); $ch2 = curl_init(); // set URL and other appropriate options curl_setopt($ch1, CURLOPT_URL, "http://lxr.php.net/"); curl_setopt($ch1, CURLOPT_HEADER, 0); curl_setopt($ch2, CURLOPT_URL, "http://www.php.net/"); curl_setopt($ch2, CURLOPT_HEADER, 0); //create the multiple cURL handle $mh = curl_multi_init(); //add the two handles curl_multi_add_handle($mh,$ch1); curl_multi_add_handle($mh,$ch2); $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); } } //close the handles curl_multi_remove_handle($mh, $ch1); curl_multi_remove_handle($mh, $ch2); curl_multi_close($mh); ?>
See also:
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