<?php

// 创建一对cURL资源

$ch1 = curl_init();

$ch2 = curl_init();

// 设置URL和相应的选项

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);

// 创建批处理cURL句柄

$mh = curl_multi_init();

// 增加2个句柄

curl_multi_add_handle($mh,$ch1);

curl_multi_add_handle($mh,$ch2);

$active = null;

// 执行批处理句柄

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);

    }

}

// 关闭全部句柄

curl_multi_remove_handle($mh, $ch1);

curl_multi_remove_handle($mh, $ch2);

curl_multi_close($mh);

?>