PHP CURL 多线程操作代码实例

使用方法：$urls=array("http://baidu.com","http://21andy.com","http://google.com");$mp=newMultiHttpRequest($urls);$m

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], "\n\n";
 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);
 }
}