以前使用curl的多線程并不是真正的多線程,只是一種模擬的多線程,現在使用pthreads來實現真正意義上的多線程。
下載:
windows下:
http://windows.php.net/downloads/pecl/releases/pthreads/0.0.45/
mac、unix、linux下:
https://github.com/krakjoe/pthreads
安裝方式:
windows下:
解壓得到pthreadVC2.dll和php_pthreads.dll文件,把vc2文件放到php.exe同級目錄,把php_pthreads.dll放到擴展目錄下。
修改php.ini文件 添加extension=php_pthreads.dll
修改Apache配置文件httpd.conf 添加LoadFile "yourpath/php/pthreadVC2.dll"
mac、unix、linux下:
具體可參考宴哥的博客http://blog.s135.com/pthreads/
調用方式:
具體的用法也可以參考宴哥的博客http://blog.s135.com/pthreads/
結合以前的get_html也可以這樣來實現類
 1 class threads extends Thread 2 { 3     public $url = ''; 4     public $options = array(); 5     public $data; 6  7     public function __construct($url, $options = array()){ 8         $this->url = $url; 9         $this->options = $options;10     }11 12     public function run(){13         if(!empty($this->url)){14             $this->data = $this->get_html($this->url, $this->options);15         }16     }17 18     public function get_html($url,$options = array()){19         if(empty($options)){20             $options[CURLOPT_RETURNTRANSFER] = true;21             $options[CURLOPT_TIMEOUT] = 5;22         }23         $ch = curl_init($url);24         curl_setopt_array($ch,$options);25         $html = curl_exec($ch);26         curl_close($ch);27         if($html === false){28             return false;29         }30         return $html;31     }32 }
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