php安装threads多线程扩张
php安装threads多线程扩展
php5.3或以上,且为线程安全版本。apache和php使用的编译器必须一致。
通过phpinfo()查看Thread Safety为enabled则为线程安全版。
通过phpinfo()查看Compiler项可以知道使用的编译器。本人的为:MSVC9 (Visual C++ 2008)。
一、下载pthreads扩展
下载地址:http://windows.php.net/downloads/pecl/releases/pthreads
二、安装pthreads扩展
复制php_pthreads.dll 到目录 bin\php\ext\ 下面。
复制pthreadVC2.dll 到目录 bin\php\ 下面。
复制pthreadVC2.dll 到目录 C:\windows\system32 下面。
打开php配置文件php.ini。在后面加上extension=php_pthreads.dll
提示!Windows系统需要将 pthreadVC2.dll 所在路径加入到 PATH 环境变量中。我的电脑--->鼠标右键--->属性--->高级--->环境变量--->系统变量--->找到名称为Path的--->编辑--->在变量值最后面加上pthreadVC2.dll的完整路径(本人的为C:\WINDOWS\system32\pthreadVC2.dll)。
三、添加thread类
<?php <br />class Thread<br>{<br><br> var $hooks = array();<br> var $args = array();<br><br> function thread()<br> {<br><br> }<br><br> function addthread($func)<br> {<br> $args = array_slice(func_get_args(), 1);<br> $this->hooks[] = $func;<br> $this->args[] = $args;<br> return true;<br> }<br><br> function runthread()<br> {<br> if(isset($_GET['flag']))<br> {<br> $flag = intval($_GET['flag']);<br> }<br> if($flag || $flag === 0)<br> {<br> call_user_func_array($this->hooks[$flag], $this->args[$flag]);<br> }<br> else<br> {<br> for($i = 0, $size = count($this->hooks); $i {<br> $fp=fsockopen($_SERVER['HTTP_HOST'],$_SERVER['SERVER_PORT']);<br> if($fp)<br> {<br> $out = "GET {$_SERVER['PHP_SELF']}?flag=$i HTTP/1.1rn";<br> $out .= "Host: {$_SERVER['HTTP_HOST']}rn";<br> $out .= "Connection: Closernrn";<br> fputs($fp,$out);<br> fclose($fp);<br> }<br> }<br> }<br> }<br>}<br><br><br>
四、测试pthreads扩展
include('thread.php');<br>class AsyncOperation extends Thread {<br> public function __construct($arg){<br> $this->arg = $arg;<br> }<br><br> public function run(){<br> if($this->arg){<br> printf("Hello %s\n", $this->arg);<br> }<br> }<br>}<br>$thread = new AsyncOperation("World");<br>if($thread->start())<br> $thread->join();<br><br><br>

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