curl_multi_add_handle

(PHP 5, PHP 7, PHP 8)

curl_multi_add_handleAjoute une ressource cURL à un cURL multiple

Description

curl_multi_add_handle(CurlMultiHandle $multi_handle, CurlHandle $handle): int

Ajoute la session handle au gestionnaire multiple multi_handle

Liste de paramètres

multi_handle

Un gestionnaire cURL multiple retourné par curl_multi_init().

handle

Un gestionnaire cURL retourné par curl_init().

Valeurs de retour

Retourne 0 en cas de succès, ou un des codes erreurs CURLM_XXX.

Historique

Version Description
8.0.0 multi_handle attend désormais une instance de CurlMultiHandle; auparavant; une resource était attendue.
8.0.0 handle attend désormais une instance de CurlHandle; auparavant; une resource était attendue.

Exemples

Exemple #1 Exemple avec curl_multi_add_handle()

Cet exemple crée deux gestionnaires cURL, les ajoute à un gestionnaire multiple, et les exécute de façon asynchrone.

<?php
// Création des ressources cURL
$ch1 = curl_init();
$ch2 = curl_init();

// Définit l'URL ainsi que d'autres options
curl_setopt($ch1, CURLOPT_URL, "http://www.example.com/");
curl_setopt($ch1, CURLOPT_HEADER, 0);
curl_setopt($ch2, CURLOPT_URL, "http://www.php.net/");
curl_setopt($ch2, CURLOPT_HEADER, 0);

// Création du gestionnaire cURL multiple
$mh = curl_multi_init();

// Ajoute les deux gestionnaires
curl_multi_add_handle($mh,$ch1);
curl_multi_add_handle($mh,$ch2);

// Exécute le gestionnaire multiple
do {
$status = curl_multi_exec($mh, $active);
if (
$active) {
curl_multi_select($mh);
}
} while (
$active && $status == CURLM_OK);

// Ferme tous les gestionnaires
curl_multi_remove_handle($mh, $ch1);
curl_multi_remove_handle($mh, $ch2);
curl_multi_close($mh);
?>

Voir aussi

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User Contributed Notes 3 notes

up
7
Anonymous
11 years ago
The 'do' loop in this example will cycle indefinitely until all curl downloads complete, needlessly using CPU cycles.  A much better way is to block while dowloads are in progress.  Refer to the example code on the curl_multi_exec() page instead, which does this!
up
2
3315954155 at libero dot it
5 years ago
Sometime with arrays and loops (i.e. for or do while or foreach) curl_multi_init  loses some hits, to work around this problem  it is necessary to divide the loop into two parts: the start with key number zero and than, all the rest. In this way the curl_multi_init doesn't lose any hits. I did a lot of test and it seems to work well enough.
<?php

function set_option($x, $y){
curl_setopt($x, CURLOPT_URL$y);
curl_setopt($x, CURLOPT_HEADER, 0);
curl_setopt($x, CURLOPT_FOLLOWLOCATION, TRUE);
curl_setopt($x, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($x, CURLOPT_ENCODING, "gzip,deflate");
}

$nodes = array('http://php.net/manual/it/function.curl-multi-add-handle.php',
'http://php.net/manual/en/function.curl-multi-init.php',
'http://php.net/manual/en/function.curl-multi-setopt.php'
);

$node_count = count($nodes);

$curl_arr = array();
$master = curl_multi_init();
/*
now I put the first part of the array with the start key number zero, add all    
options and add the curl_multi_add_handle;                                              
it is necessary to detach this first part to avoid to lose some handles and than running
the loop with the start key number one.                                                 
In this way the curl_multi_init doesn't lose anything and seems to be very stable.      
*/  
   
$curl_arr[0] = curl_init($nodes[0]);
   
set_option($curl_arr[0], $nodes[0]);
   
curl_multi_add_handle($master, $curl_arr[0]);
   

/* 
now the loop can start with key number one                             
*/
$i = 1;
do {
    if (
$i!==0){

   
$curl_arr[$i] = curl_init($nodes[$i]);
   
set_option($curl_arr[$i], $nodes[$i]);
   
curl_multi_add_handle($master, $curl_arr[$i]);
    }
$i++;   
}while(
$i < $node_count);

$running = NULL;
do {
   
curl_multi_exec($master,$running);
} while(
$running);

$results = array();
$q = 0;
do{
$results[$q] = curl_multi_getcontent($curl_arr[$q]);
curl_multi_remove_handle($master, $curl_arr[$q]);
$q++;   
}while(
$q < $node_count);

foreach(
$results as $value){
echo
$value;
}

?>
up
-3
kamsamlt888 at gmail dot com
5 years ago
$nodes = array('http://www.google.com', 'http://www.microsoft.com', 'http://yahoo.com');
$node_count = count($nodes);

$curl_arr = array();
$master = curl_multi_init();

for($i = 0; $i < $node_count; $i++)
{
    $url =$nodes[$i];
    $curl_arr[$i] = curl_init($url);
    curl_setopt($curl_arr[$i], CURLOPT_RETURNTRANSFER, true);
    curl_multi_add_handle($master, $curl_arr[$i]);
}

do {
    curl_multi_exec($master,$running);
} while($running > 0);

echo "results: ";
for($i = 0; $i < $node_count; $i++)
{
    $results = curl_multi_getcontent  ( $curl_arr[$i]  );
    echo( $i . "\n" . $results . "\n");
}
echo 'done';
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