* @published:  2010-11-2 * * PHP多线程应用示例： *  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 . " " . 'Set in ' . Date('h:i:s', time()) . (double)microtime() . " "; *      $fp = fopen($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 ";					$out .= "Host: {$_SERVER['HTTP_HOST']} ";					$out .= "Connection: Close ";					fputs($fp,$out);					fclose($fp);				}			}		}	}}