PHP Timer

웹개발은 하지 않아서 잘 모르지만 그냥 타이머 찾다가 찾은것.. 괜찮은듯

<?
/**
 * This class allows a user to to determine execution
 * time of code blocks.
 *
 * @author John Ciacia <Sidewinder@extreme-hq.com>
 * @version 1.0
 * @copyright Copyright (c) 2007, John Ciacia
 * @license [url=http://opensource.org/licenses/gpl-license.php]Open Source Initiative OSI - The GPL:Licensing | Open Source Initiative[/url] GNU Public License
 */
 
class Timer {
    var $starttime   = 0;
    var $endtime     = 0;
    var $elapsed     = 0;
    var $timername   = "Not Named";
   
    public function __construct() {
    }   

    public function start() {
        $this->starttime = $this->_time();
    }  

    public function stop() {
        $this->endtime = $this->_time();
        $this->_compute();   
    }   

    public function clear() {
        $this->starttime   = 0;
        $this->endtime     = 0;
        $this->elapsed     = 0;
        $this->timername   = "Not Named";
    }  
 
    public function elapsed() {
        return $this->elapsed;
    }  

    public function settimername($name) {
        $this->timername = $name;
    }   

    public function gettimername() {
        return $this->timername;
    }   

    private function _time() {
        $mtime = microtime();
        $mtime = explode(' ', $mtime);
        $mtime = $mtime[1] + $mtime[0];
        return $mtime;
    }

    private function _compute() {
        $this->elapsed = (($this->endtime) - ($this->starttime));
    }
}

?>