Home > Article > Backend Development > pthreads multi-threaded data collection, pthreads data collection_PHP tutorial
The multi-threading that used curl in the past was not a real multi-threading, it was just a simulated multi-threading, now it is implemented using pthreads Multi-threading in the true sense.
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 into the same directory as php.exe, and put php_pthreads.dll into 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"
Under mac, unix, linux:
For details, please refer to Brother Yan’s 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/
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 }