<?php
/****************************************************************
                   PHP CURL 多線程 GET/POST
     curl(array('url?get=data','url'),array('','post_data'));
*****************************************************************/
function curl($urls,$post) {
    $queue = curl_multi_init();
    $map = array();
    foreach ($urls as $key => $url) {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_TIMEOUT, 30);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $post[$key]);
        curl_setopt($ch, CURLOPT_HEADER, 0);
        curl_setopt($ch, CURLOPT_NOSIGNAL, true);
        curl_multi_add_handle($queue, $ch);
        $map[(string) $ch] = $url;
    }
    $responses = array();
    do {
        while (($code = curl_multi_exec($queue, $active)) == CURLM_CALL_MULTI_PERFORM) ;
        if ($code != CURLM_OK) { break; }
        while ($done = curl_multi_info_read($queue)) {
            $error = curl_error($done['handle']);
            $results = curl_multi_getcontent($done['handle']);
            $responses[$map[(string) $done['handle']]] = compact('error', 'results');
            curl_multi_remove_handle($queue, $done['handle']);
            curl_close($done['handle']);
        }
        if ($active > 0) {
            curl_multi_select($queue, 0.5);
        }
    } while ($active);
    curl_multi_close($queue);
    return $responses;
}
 

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