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HomeBackend DevelopmentPHP Tutorialpthreads multi-threaded data collection

In the past, multi-threading using curl was not real multi-threading, it was just a simulated multi-threading. Now pthreads is used to achieve true multi-threading.

Download:

 Windows:

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

  Under mac, unix, linux:

  https://github. com/krakjoe/pthreads

Installation method:

 Windows:

  Unzip the files to get pthreadVC2.dll and php_pthreads.dll, put the vc2 file into the same level directory as php.exe, and put php_pthreads.dll into the extension directory.

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

                                                                                             int in in in in php. Blog http://blog.s135.com/pthreads/

Calling method:

For specific usage, you can also refer to Brother Yan’s blog http://blog.s135.com/pthreads/

It can also be combined with the previous get_html This is how 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 = $options;
10     }
11 
12     public function run(){
13         if(!empty($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 }
pthreads multi-threaded data collection

pthreads multi-threaded data collection The above introduces pthreads multi-threaded data collection, including aspects of it. I hope it will be helpful to friends who are interested in PHP tutorials.

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