php curl函数 获取网页内容

class CURLS {
    var $url;
    var $source;
    var $content;
    public function __construct($url,$fromdata=array(),$timeout=false){
        $this->url=$url;
        $this->source=curl_init();
        $this->setopt(CURLOPT_URL, $this->url);
        if(is_array($formdata)&&$formdata){
            $formdata = http_build_query($data);
            $this->setopt(CURLOPT_POST, true);
            $this->setopt(CURLOPT_POSTFIELDS, $formdata);

        }
        if($timeout>0){
            $this->setopt(CURLOPT_CONNECTTIMEOUT,$timeout);
            $this->setopt(CURLOPT_TIMEOUT,$timeout);
        }

    }

    public function __destruct(){
        curl_close($this->source);
    }

    public function setopt($option,$value){
        curl_setopt($this->source,$option,$value);
    }

    /**
     * 一个快速的curl配置
     * @return
     */
    public function qkset(){
        $this->setopt(CURLOPT_RETURNTRANSFER, 1);
        $this->setopt(CURLOPT_HEADER, 0);
    }

    public function getContent(){
        curl_exec($this->source);
        $this->content=curl_multi_getcontent ($this->source);
        return $this->content?$this->content:FALSE;
    }
}

class CurlFactory{
    var $curl_array=array();
    var $master;
    var $results=array();
    var $num=0;
    public function __construct($urls,$formdatas=array()){
        if(is_array($urls)&&count($urls)>=count($formdata)){
            $this->num=count($urls);
            $this->master=curl_multi_init();
            foreach($urls as $k=>$url){
                $this->curl_array[$k]=new CURLS($url,$formdatas[k]);
                $this->curl_array[$k]->qkset();
                $this->addHandle($this->curl_array[$k]->source);
            }
        }

    }

    public function addHandle($source){
        curl_multi_add_handle($this->master,$source);
    }

    public function run(){
        do{
            curl_multi_exec($this->master, $running);
        }while($running>0);

        foreach($this->curl_array as $k =>$v){
            $this->results[$k]=curl_multi_getcontent($v->source);
        }
    }

    public function getContent($i=false){
        if(is_int($i)&&$i<$this->num){
            return $this->results[$i];
        }
        return $this->results?$this->results:FALSE;
    }
}

$url="http://blog.chinaunix.net/space.php?uid=23708392";
 $curl=new CURLS($url,FALSE,100);
 $curl->qkset();
 var_dump($curl->getContent());

// $urls=array('','','','');
// $cf=new CurlFactory($urls,array(array('name'=>'js')));
// $cf->run();
// var_dump($cf->getContent());