1 <?php
2
3 set_time_limit(0);
4 function curl_multi($urls) {
5 if (!is_array($urls) or count($urls) == 0) {
6 return false;
7 }
8 $num=count($urls);
9 $curl = $curl2 = $text = array();
10 $handle = curl_multi_init();
11 function createCh($url) {
12 $ch = curl_init();
13 curl_setopt ($ch, CURLOPT_URL, $url);
14 curl_setopt ($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 6.1; Trident/7.0; rv:11.0) like Gecko');//设置头部
15 curl_setopt ($ch, CURLOPT_REFERER, $url); //设置来源
16 curl_setopt ($ch, CURLOPT_ENCODING, "gzip"); // 编码压缩
17 curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
18 curl_setopt ($ch, CURLOPT_FOLLOWLOCATION, 1);//是否采集301、302之后的页面
19 curl_setopt ($ch, CURLOPT_MAXREDIRS, 5);//查找次数，防止查找太深
20 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE); // 对认证证书来源的检查
21 curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE); // 从证书中检查SSL加密算法是否存在
22 curl_setopt ($ch, CURLOPT_TIMEOUT, 20);
23 curl_setopt ($ch, CURLOPT_HEADER, 0);//输出头部
24 return $ch;
25 }
26 foreach($urls as $k=>$v){
27 $url=$urls[$k];
28 $curl[$k] = createCh($url);
29 curl_multi_add_handle ($handle,$curl[$k]);
30 }
31 $active = null;
32 do {
33 $mrc = curl_multi_exec($handle, $active);
34 } while ($mrc == CURLM_CALL_MULTI_PERFORM);
35
36 while ($active && $mrc == CURLM_OK) {
37 if (curl_multi_select($handle) != -1) {
38 usleep(100);
39 }
40 do {
41 $mrc = curl_multi_exec($handle, $active);
42 } while ($mrc == CURLM_CALL_MULTI_PERFORM);
43 }
44
45 foreach ($curl as $k => $v) {
46 if (curl_error($curl[$k]) == "") {
47 $text[$k] = (string) curl_multi_getcontent($curl[$k]);
48 }
49 curl_multi_remove_handle($handle, $curl[$k]);
50 curl_close($curl[$k]);
51 }
52 curl_multi_close($handle);
53 return $text;
54 }
55 $urls=array('http://www.baidu.com',
56 'http://www.baidu.com',
57 'http://www.baidu.com',
58 'http://www.baidu.com',
59 'http://www.baidu.com',
60 'http://www.baidu.com',
61 'http://www.baidu.com',
62 'http://www.baidu.com'
63 );
64 $res=curl_multi($urls);
65 print_r($res);
