php curl批量打开网址(curl_multi类的实现代码(thinkphp

2. <?php
3. /*
4. * curl_multi 经测试,大于四个网址时要比Foreach循环快..
5. * by wc1217
6. * edit：bbs.it-home.org
7. */
8. class curl_multi{
9. //Curl句柄
10. //private $curl_handle = null;
11. //网址
12. private $url_list = array();
13. //参数
14. private $curl_setopt = array(
15. ‘CURLOPT_RETURNTRANSFER’ => 1, //结果返回给变量
16. ‘CURLOPT_HEADER’ => 0, //要HTTP头不?
17. ‘CURLOPT_NOBODY’ => 0, //不要内容?
18. ‘CURLOPT_FOLLOWLOCATION’ => 0, //自动跟踪
19. ‘CURLOPT_TIMEOUT’ => 6//超时(s)
20. );
22. function __construct($seconds = 30){
23. set_time_limit($seconds);
24. }
26. /*
27. * 设置网址
28. * @list 数组
29. */
30. public function setUrlList($list = array()){
31. $this->url_list = $list;
32. }
34. /*
35. * 设置参数
36. * @cutPot array
37. */
38. public function setOpt($cutPot){
39. $this->curl_setopt = $cutPot + $this->curl_setopt;
40. }
42. /*
43. * 执行
44. * @return array
45. */
46. public function exec(){
47. $mh = curl_multi_init();
49. foreach($this->url_list as $i => $url){
50. $conn[$i] = curl_init($url);
52. foreach($this->curl_setopt as $key => $val){
53. curl_setopt($conn[$i], preg_replace(‘/(CURLOPT_\w{1,})/ie’, ‘$0’, $key), $val);
54. }
55. curl_multi_add_handle($mh, $conn[$i]);
56. }
58. $active = false;
60. do{
61. $mrc = curl_multi_exec($mh, $active);
62. }while($mrc == CURLM_CALL_MULTI_PERFORM);
64. while($active and $mrc == CURLM_OK){
65. if(curl_multi_select($mh) != -1){
66. do{
67. $mrc = curl_multi_exec($mh, $active);
68. }while($mrc == CURLM_CALL_MULTI_PERFORM);
69. }
70. }
72. $res = array();
73. foreach($this->url_list as $i => $url){
74. $res[$i] = curl_multi_getcontent($conn[$i]);
75. curl_close($conn[$i]);
76. curl_multi_remove_handle($mh, $conn[$i]); //用完马上释放资源
77. }
78. curl_multi_close($mh);
79. return $res;
80. }
81. }
82. ?>

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