Pthreads Multi-threaded data acquisition, pthreads data Acquisition _php Tutorial

Pthreads Multithreading data acquisition, PTHREADS data acquisition

Multithreading, formerly using Curl, is not really multi-threading, just a simulation of multi-threading, now using Pthreads to achieve the true meaning of multithreading.

Download:

Under Windows:

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

Under Mac, UNIX, Linux:

Https://github.com/krakjoe/pthreads

Installation method:

Under Windows:

Extract the PthreadVC2.dll and Php_pthreads.dll files, put the Vc2 file in the Php.exe sibling directory, and put the Php_pthreads.dll in the extension directory.

Modify the php.ini file to add Extension=php_pthreads.dll

Modify the Apache configuration file httpd.conf add LoadFile "Yourpath/php/pthreadvc2.dll"

Under Mac, UNIX, Linux:

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

Call Mode:

The specific usage can also refer to the blog of the Feast brother Http://blog.s135.com/pthreads/

Combining the previous get_html can also be used to implement the class

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 = $options; 1 0     }11 Public     function run () {         if (!empty ($this->url)) {             $this->data = $this->get_html ($this->url, $this->options);         }16     }17 public     function get_html ($url, $options = Array ()) {19         if (empty ($options)) {             $options [curlopt_returntransfer] = true;21             $options [curlopt_timeout] = 5;22         }23         $ch = Curl_init ($url),         Curl_setopt_array ($ch, $options);         $html = curl_exec ($ch); 26         curl_close ($ch);         if ($html = = = False) {             false;29         }30         return $html;     }32}

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