/**
*
* PHP多线程应用使用方法：
* require_once 'thread.class.php';
* $thread = new thread();
* $thread->addthread('action_log','a');
* $thread->addthread('action_log','b');
* $thread->addthread('action_log','c');
* $thread->runthread();
*
* function action_log($info) {
* $log = 'log/' . microtime() . '.log';
* $txt = $info . "\r\n\r\n" . 'Set in ' . Date('h:i:s', time()) . (double)microtime() . "\r\n";
* $fp = fopen($log, 'w');
* fwrite($fp, $txt);
* fclose($fp);
* }
*/

class thread {

var $hooks = array();
var $args = array();

function thread() {
}

function addthread($func)
{
$args = array_slice(func_get_args(), 1);
$this->hooks[] = $func;
$this->args[] = $args;
return true;
}

function runthread()
{
if(isset($_GET['flag']))
{
$flag = intval($_GET['flag']);
}

if($flag || $flag === 0)
{
call_user_func_array($this->hooks[$flag], $this->args[$flag]);
}
else
{
for($i = 0, $size = count($this->hooks); $i < $size; $i++)
{
$fp=fsockopen($_SERVER['HTTP_HOST'],$_SERVER['SERVER_PORT']);
if($fp)
{
$out = "GET {$_SERVER['PHP_SELF']}?flag=$i HTTP/1.1\r\n";
$out .= "Host: {$_SERVER['HTTP_HOST']}\r\n";
$out .= "Connection: Close\r\n\r\n";
fputs($fp,$out);
fclose($fp);
}
}
}
}
}

使用方法：

$thread = new thread();

$thread->addthread('func1','info1');

$thread->addthread('func2','info2');

$thread->addthread('func3','info3');

$thread->runthread();

说明：

addthread是添加线程函数，第一个参数是函数名，之后的参数（可选）为传递给指定函数的参数。

runthread是执行线程的函数。