<?php 
// 建立一對cURL資源 
$ch1 = curl_init(); 
$ch2 = curl_init(); 

// 設定URL和相應的選項 
curl_setopt($ch1, CURLOPT_URL, "http://www.jb51.net/"); 
curl_setopt($ch1, CURLOPT_HEADER, 0); 
curl_setopt($ch2, CURLOPT_URL, "http://www.php.net/"); 
curl_setopt($ch2, CURLOPT_HEADER, 0); 

// 建立批處理cURL控制代碼 
$mh = curl_multi_init(); 

// 增加2個控制代碼 
curl_multi_add_handle($mh,$ch1); 
curl_multi_add_handle($mh,$ch2); 

$active = null; 
// 執行批處理控制代碼 
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); 
    } 
} 

// 關閉全部控制代碼 
curl_multi_remove_handle($mh, $ch1); 
curl_multi_remove_handle($mh, $ch2); 
curl_multi_close($mh); 
?>