<?php
//--------------------------------------------------------------------
// PHP TimeCheck Class
//
// Copyright Jeff Redding, 2003, All Rights Reserved.
//
// This module provides a class to perform simple elapsed time
// indications.
//
// Version: $Id: TimeCheck.inc,v 1.2 2003/08/04 18:00:37 jwr Exp $
//
//--------------------------------------------------------------------

class TimeCheck
{
	var $beginTime = 0;
	var $beginString = "";
	var $markArray = array();

	//--------------------------------------------------------------------
	// Constructor for TimeCheck.  
	//--------------------------------------------------------------------
	function TimeCheck()
	{
	}


	//--------------------------------------------------------------------
	// Private function for getting microseconds
	//--------------------------------------------------------------------
	function _getmicrotime(){
		list($usec, $sec) = explode(" ",microtime());
		return ((float)$usec + (float)$sec);
	}


	//--------------------------------------------------------------------
	// Mark the begin time.  The elapsed time for marks are calculated
	// from this point.
	//--------------------------------------------------------------------
	function begin($outstring)
	{
		$this->beginTime = $this->_getmicrotime();
		unset($this->markArray);
		$this->beginString = $outstring;
	}

	//--------------------------------------------------------------------
	// Add a mark string, and value
	//--------------------------------------------------------------------
	function mark($outstring)
	{

		$this->markArray[$outstring] = $this->_getmicrotime();
	}
	
	//--------------------------------------------------------------------
	// Output all the mark strings, their time stamps, elapsed individual
	// and elapsed overall times.
	//--------------------------------------------------------------------
	function displayMarks()
	{
		$bt = sprintf('%.16f', $time_end - $time_start);
		echo $this->beginString.": start time -> ".date("H:i:s", $this->beginTime)."<BR>";

		echo "<ul>";
		$last_time = $this->beginTime;
		foreach($this->markArray as $index => $value)
		{
			$elapse = sprintf('%.4f', $value - $last_time);
			$total = sprintf('%.4f', $value - $this->beginTime);

			echo "<LI>".$index." --> ".date("H:i:s", $value).", ".$elapse." elapsed, ".$total." total<BR>";
			$last_time = $value;
		}
		echo "</ul>";
	}

} // End class
?>