PHP CURL 多线程操作代码实例

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$urls = array("http://baidu.com", "http://21andy.com", "http://google.com");

$mp = new MultiHttpRequest($urls);

$mp->start();

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/*

* 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);

}

}