/**

* curl 多线程

* @param array $array 并行网址

* @param int $timeout 超时时间

* @return mix

*/

public function Curl_http($array,$timeout='15'){

$res = array();

$mh = curl_multi_init();//创建多个curl语柄

foreach($array as $k=>$url){

$conn[$k]=curl_init($url);//初始化

curl_setopt($conn[$k], CURLOPT_TIMEOUT, $timeout);//设置超时时间

curl_setopt($conn[$k], CURLOPT_USERAGENT, 'Mozilla/5.0 (compatible; MSIE 5.01; Windows NT 5.0)');

curl_setopt($conn[$k], CURLOPT_MAXREDIRS, 7);//HTTp定向级别 ，7最高

curl_setopt($conn[$k], CURLOPT_HEADER, false);//这里不要header，加块效率

curl_setopt($conn[$k], CURLOPT_FOLLOWLOCATION, 1); // 302 redirect

curl_setopt($conn[$k], CURLOPT_RETURNTRANSFER,1);//要求结果为字符串且输出到屏幕上

curl_setopt($conn[$k], CURLOPT_HTTPGET, true);

curl_multi_add_handle ($mh,$conn[$k]);

}

//防止死循环耗死cpu 这段是根据网上的写法

do {

$mrc = curl_multi_exec($mh,$active);//当无数据，active=true

} while ($mrc == CURLM_CALL_MULTI_PERFORM);//当正在接受数据时

while ($active and $mrc == CURLM_OK) {//当无数据时或请求暂停时，active=true

if (curl_multi_select($mh) != -1) {

do {

$mrc = curl_multi_exec($mh, $active);

} while ($mrc == CURLM_CALL_MULTI_PERFORM);

}

}

foreach ($array as $k => $url) {

if(!curl_errno($conn[$k])){

$data[$k]=curl_multi_getcontent($conn[$k]);//数据转换为array

$header[$k]=curl_getinfo($conn[$k]);//返回http头信息

curl_close($conn[$k]);//关闭语柄

curl_multi_remove_handle($mh , $conn[$k]); //释放资源

}else{

unset($k,$url);

}

}

curl_multi_close($mh);

return $data;

}

//参数接收

$callback = $_GET['callback'];

$hrefs = $_GET['hrefs'];

$urlarray = explode(',',trim($hrefs,','));

$date = date('Ymd',time());

//实例化

$img = new HttpImg();

$stime = $img->getMicrotime();//开始时间

$data = $img->Curl_http($urlarray,'20');//列表数据

mkdir('./img/'.$date,0777);

foreach ((array)$data as $k=>$v){

preg_match_all("/(href|src)=(["|']?)([^ "'>]+.(jpg|png|PNG|JPG|gif))\\2/i", $v, $matches[$k]);

if(count($matches[$k][3])>0){

$dataimg = $img->Curl_http($matches[$k][3],'20');//全部图片数据二进制

$j = 0;

foreach ((array)$dataimg as $kk=>$vv){

if($vv !=''){

$rand = rand(1000,9999);

$basename = time()."_".$rand.".".jpg;//保存为jpg格式的文件

$fname = './img/'.$date."/"."$basename";

file_put_contents($fname, $vv);

$j++;

echo "创建第".$j."张图片"."$fname"."

";

}else{

unset($kk,$vv);

}

}

}else{

unset($matches);

}

}

$etime = $img->getMicrotime();//结束时间

echo "用时".($etime-$stime)."秒";

exit;