pthreads multi-threaded 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 pthreads is used to achieve real multi-threading.

Download:

Under windows:

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

Under mac, unix, linux:

　https://github.com/krakjoe/pthreads

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

<span  1</span> <span class</span> threads <span extends</span><span  Thread
</span><span  2</span> <span {
</span><span  3</span>     <span public</span> <span $url</span> = ''<span ;
</span><span  4</span>     <span public</span> <span $options</span> = <span array</span><span ();
</span><span  5</span>     <span public</span> <span $data</span><span ;
</span><span  6</span>
<span  7</span>     <span public</span> <span function</span> __construct(<span $url</span>, <span $options</span> = <span array</span><span ()){
</span><span  8</span>         <span $this</span>->url = <span $url</span><span ;
</span><span  9</span>         <span $this</span>->options = <span $options</span><span ;
</span><span 10</span> <span     }
</span><span 11</span>
<span 12</span>     <span public</span> <span function</span><span  run(){
</span><span 13</span>         <span if</span>(!<span empty</span>(<span $this</span>-><span url)){
</span><span 14</span>             <span $this</span>->data = <span $this</span>->get_html(<span $this</span>->url, <span $this</span>-><span options);
</span><span 15</span> <span         }
</span><span 16</span> <span     }
</span><span 17</span>
<span 18</span>     <span public</span> <span function</span> get_html(<span $url</span>,<span $options</span> = <span array</span><span ()){
</span><span 19</span>         <span if</span>(<span empty</span>(<span $options</span><span )){
</span><span 20</span>             <span $options</span>[CURLOPT_RETURNTRANSFER] = <span true</span><span ;
</span><span 21</span>             <span $options</span>[CURLOPT_TIMEOUT] = 5<span ;
</span><span 22</span> <span         }
</span><span 23</span>         <span $ch</span> = curl_init(<span $url</span><span );
</span><span 24</span>         curl_setopt_array(<span $ch</span>,<span $options</span><span );
</span><span 25</span>         <span $html</span> = curl_exec(<span $ch</span><span );
</span><span 26</span>         curl_close(<span $ch</span><span );
</span><span 27</span>         <span if</span>(<span $html</span> === <span false</span><span ){
</span><span 28</span>             <span return</span> <span false</span><span ;
</span><span 29</span> <span         }
</span><span 30</span>         <span return</span> <span $html</span><span ;
</span><span 31</span> <span     }
</span><span 32</span> }

http://www.bkjia.com/PHPjc/667912.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/667912.htmlTechArticleThe multi-threading that used curl in the past was not a real multi-threading, it was just a simulated multi-threading. Now we use pthreads To achieve true multi-threading. Download: under windows: http:...