Pthreads multi-thread data collection, pthreads data collection _ PHP Tutorial

Pthreads multi-thread data collection and pthreads data collection. Pthreads multi-thread data collection, pthreads data collection used to use curl multithreading is not really multi-thread, but a simulated multi-thread. now pthreads is used to achieve true meaning of pthreads multi-thread data collection, pthreads data collection

In the past, multithreading with curl was not a real multithreading, but a simulated multithreading. now pthreads is used to implement real multithreading.

Download:

Windows:

Http://windows.php.net/downloads/pecl/releases/pthreads/0.0.45/

For mac, unix, and linux:

Https://github.com/krakjoe/pthreads

Installation method:

Windows:

Decompress the pthreadvc2.dlland php_pthreads.dllfiles, put the vc2file to the same directory of php.exe, and put php_pthreads.dll to the extension directory.

Modify the php. ini file and add extension = php_pthreads.dll.

Modify the Apache configuration file httpd. conf and add LoadFile "yourpath/php/pthreadVC2.dll"

For mac, unix, and linux:

For details, refer to the banquet brother blog http://blog.s135.com/pthreads/

Call method:

Specific usage can also refer to the banquet brother blog http://blog.s135.com/pthreads/

Combined with the previous get_html, the class can also be implemented in this way.

 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 }

In the past, the multi-thread that uses curl was not a real multi-thread, but a simulated multi-thread. now pthreads is used to implement the true meaning...