curl_multi_init

(PHP 5, PHP 7, PHP 8)

curl_multi_init — Retourne un nouveau cURL multiple

Description

curl_multi_init(): CurlMultiHandle

Autorise l'exécution de multiples gestionnaires cURL de façon asynchrone.

Liste de paramètres

Cette fonction ne contient aucun paramètre.

Valeurs de retour

Retourne un gestionnaire cURL multiple.

Historique

Version	Description
8.0.0	Cette fonction retourne désormais une instance de CurlMultiHandle; auparavant, une resource était retournée.

Voir aussi

curl_init() - Initialise une session cURL
curl_multi_close() - Supprimer tous les handles cURL d'un handle multi

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User Contributed Notes 3 notes

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w_haigh at yahoo dot com ¶

9 years ago

Here's an easier to follow example, From : http://arguments.callee.info/2010/02/21/multiple-curl-requests-with-php/

// build the individual requests, but do not execute them
$ch_1 = curl_init('http://webservice.one.com/');
$ch_2 = curl_init('http://webservice.two.com/');
curl_setopt($ch_1, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch_2, CURLOPT_RETURNTRANSFER, true);
  
// build the multi-curl handle, adding both $ch
$mh = curl_multi_init();
curl_multi_add_handle($mh, $ch_1);
curl_multi_add_handle($mh, $ch_2);
  
// execute all queries simultaneously, and continue when all are complete
  $running = null;
  do {
    curl_multi_exec($mh, $running);
  } while ($running);

//close the handles
curl_multi_remove_handle($mh, $ch1);
curl_multi_remove_handle($mh, $ch2);
curl_multi_close($mh);
  
// all of our requests are done, we can now access the results
$response_1 = curl_multi_getcontent($ch_1);
$response_2 = curl_multi_getcontent($ch_2);
echo "$response_1 $response_2"; // output results

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xxavalanchexx at gmail dot com ¶

10 years ago

According to https://bugs.php.net/bug.php?id=61141:

On Windows setups using libcurl version 7.24 or later (which seems to correspond to PHP 5.3.10 or later), you may find that curl_multi_select() always returns -1, causing the example code in the documentation to timeout. This is, apparently, not strictly a bug: according to the libcurl documentation, you should add your own sleep if curl_multi_select returns -1.

Therefore, in order to work correctly on Windows for PHP 5.3.10+, the second loop in the example code should look something like the following:

<?php
while ($active && $mrc == CURLM_OK) {
    if (curl_multi_select($mh) == -1) {
        usleep(100);
    }
    do {
        $mrc = curl_multi_exec($mh, $active);
    } while ($mrc == CURLM_CALL_MULTI_PERFORM);
}
?>

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Adam Richardson ¶

6 years ago

One of the URLs used in the first example on this page (lxr.php.net) now gives a proxy error.

If you're using this first script example, replace with a different URL.

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