<?php
class Timer {
   var $str;
   var $ert;

   function Timer() {
      $this->str = $this->gettimer();
   }

   function gettimer() {
       $dat = getrusage();
       return 1e-6*($dat['ru_utime.tv_sec']*1e6 + $dat['ru_utime.tv_usec']);
   }            

   function displaytimer() {
       $this->etr = $this->gettimer();
       return 'Script took ' . round(($this->etr - $this->str),3) . 's to execute.';
   }   
}
?>