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phpcurl批量打开网址(curl_multi类)的实现代码

时间：2021-07-01 10:21:17 帮助过：38人阅读

  2. /*
  3. * curl_multi 经测试,大于四个网址时要比Foreach循环快..
  4. * by wc1217
  5. * edit：bbs.it-home.org
  6. */
  7. class curl_multi{
  8. //Curl句柄
  9. //private $curl_handle = null;
  10. //网址
  11. private $url_list = array();
  12. //参数
  13. private $curl_setopt = array(
  14. 'CURLOPT_RETURNTRANSFER' => 1, //结果返回给变量
  15. 'CURLOPT_HEADER' => 0, //要HTTP头不?
  16. 'CURLOPT_NOBODY' => 0, //不要内容?
  17. 'CURLOPT_FOLLOWLOCATION' => 0, //自动跟踪
  18. 'CURLOPT_TIMEOUT' => 6//超时(s)
  19. );
  21. function __construct($seconds = 30){
  22. set_time_limit($seconds);
  23. }
  25. /*
  26. * 设置网址
  27. * @list 数组
  28. */
  29. public function setUrlList($list = array()){
  30. $this->url_list = $list;
  31. }
  33. /*
  34. * 设置参数
  35. * @cutPot array
  36. */
  37. public function setOpt($cutPot){
  38. $this->curl_setopt = $cutPot + $this->curl_setopt;
  39. }
  41. /*
  42. * 执行
  43. * @return array
  44. */
  45. public function exec(){
  46. $mh = curl_multi_init();
  48. foreach($this->url_list as $i => $url){
  49. $conn[$i] = curl_init($url);
  51. foreach($this->curl_setopt as $key => $val){
  52. curl_setopt($conn[$i], preg_replace('/(CURLOPT_\w{1,})/ie', '$0', $key), $val);
  53. }
  54. curl_multi_add_handle($mh, $conn[$i]);
  55. }
  57. $active = false;
  59. do{
  60. $mrc = curl_multi_exec($mh, $active);
  61. }while($mrc == CURLM_CALL_MULTI_PERFORM);
  63. while($active and $mrc == CURLM_OK){
  64. if(curl_multi_select($mh) != -1){
  65. do{
  66. $mrc = curl_multi_exec($mh, $active);
  67. }while($mrc == CURLM_CALL_MULTI_PERFORM);
  68. }
  69. }
  71. $res = array();
  72. foreach($this->url_list as $i => $url){
  73. $res[$i] = curl_multi_getcontent($conn[$i]);
  74. curl_close($conn[$i]);
  75. curl_multi_remove_handle($mh, $conn[$i]); //用完马上释放资源
  76. }
  77. curl_multi_close($mh);
  78. return $res;
  79. }
  80. }
  81. ?>

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