使用方法：

$urls = array("http://baidu.com", "http://21andy.com", "http://google.com"); $mp = new MultiHttpRequest($urls); $mp->start();

/* * Curl 多线程类 * 使用方法： * ======================== $urls = array("http://baidu.com", "http://dzone.com", "http://google.com"); $mp = new MultiHttpRequest($urls); $mp->start(); * ======================== */ class MultiHttpRequest { public $urls = array(); public $curlopt_header = 1; public $method = "GET"; function __construct($urls = false) { $this->urls = $urls; } function set_urls($urls) { $this->urls = $urls; return $this; } function is_return_header($b) { $this->curlopt_header = $b; return $this; } function set_method($m) { $this->medthod = strtoupper($m); return $this; } function start() { if(!is_array($this->urls) or count($this->urls) == 0){ return false; } $curl = $text = array(); $handle = curl_multi_init(); foreach($this->urls as $k=>$v){ $curl[$k] = $this->add_handle($handle, $v); } $this->exec_handle($handle); foreach($this->urls as $k=>$v){ curl_multi_getcontent($curl[$k]); echo $curl[$k]."n"; //$text[$k] = curl_multi_getcontent($curl[$k]); //echo $text[$k], "nn"; curl_multi_remove_handle($handle, $curl[$k]); } curl_multi_close($handle); } private function add_handle($handle, $url) { $curl = curl_init(); curl_setopt($curl, CURLOPT_URL, $url); curl_setopt($curl, CURLOPT_HEADER, $this->curlopt_header); curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); curl_multi_add_handle($handle, $curl); return $curl; } private function exec_handle($handle) { $flag = null; do { curl_multi_exec($handle, $flag); } while ($flag > 0); } }