<?php
/**
* Timestamp class.
* Intended to handle timestamp and calculate it for different GMT shifts
*
* @author Eugene Panin <[email protected]>
* @home http://www.tortuga.pp.ru
* @package Timestamp
* @version 1.0
* @access public
*/
class Timestamp {
/**
* Timestamp value
*
* @var string Unix timestamp
* @access private
*/
var $_val = '';
/**
* Local place GMT shift
*
* @var int
* @access private
*/
var $_ls = 0;
/**
* Remote place GMT shift
*
* @var int
* @access private
*/
var $_rs = 0;
/**
* Constructor
*
* @param string $val Unix timestamp
* @return object Timestamp
* @access public
*/
function Timestamp($val='') {
if ($val) {
$this->_val = $val;
}
else {
$this->_val = time();
}
}
/**
* Sets timestamp
*
* @param string $val Unix timestamp
* @return void
* @access public
*/
function setValue($val) {
$this->_val = $val;
}
/**
* Returns timestamp
*
* @param string $format Format (see strftime)
* @param int $tps This place GMT shift
* @param int $rps Remote place GMT shift
* @return string Unix timestamp
* @access public
*/
function getValue($format='') {
$res = $this->_val;
if ($this->_ls && $this->_rs) {
$lsSeconds = $this->_ls*60*60;
$rsSeconds = $this->_rs*60*60;
$res = $res + ($rsSeconds-$lsSeconds);
}
if ($format) {
$res = strftime($format,$res);
}
return $res;
}
/**
* Sets local place timestamp
*
* @param string $val Unix timestamp
* @return void
* @access public
*/
function setLocalGMTShift($val) {
$this->_ls = $val;
}
/**
* Returns local place GTM shift
*
* @return int GMT shift
* @access public
*/
function getLocalGMTShift() {
return $this->_ls;
}
/**
* Sets remote place timestamp
*
* @param string $val Unix timestamp
* @return void
* @access public
*/
function setRemoteGMTShift($val) {
$this->_rs = $val;
}
/**
* Returns remote place GTM shift
*
* @return int GMT shift
* @access public
*/
function getRemoteGMTShift() {
return $this->_rs;
}
} // class
?>
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