Viewing file:  TimeUnitValidator.php (4.14 KB) -rw-rw-rw-
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<?php
/**
* @package SPLIB
* @version $Id: TimeUnitValidator.php,v 1.1 2003/12/12 08:06:07 kevin Exp $
*/
/**
* Provides validation for date / time units<br />
* This class is required by Calendar
* @package SPLIB
*/
class TimeUnitValidator {
/**
* Stores error messages
* @access private
* @var string
*/
var $error;
/**
* Constructs TimeUnitValidator
* @access public
*/
function TimeUnitValidator()
{
$this->error = '';
}
/**
* Checks to see if a year is valid (1969 < YYYY < 2039)
* @param int year four digits
* @return mixed either int or false
* @access public
**/
function validYear($year)
{
if ( $year < 1970 || $year > 2038 ) {
$this->error = 'Year '.$year.
' falls outside valid timestamp range';
return false;
}
return $year;
}
/**
* Checks to see if a month is valid (0 < MM < 13)
* @param int month two digits
* @return boolean
* @access public
**/
function validMonth($month)
{
if ( $month < 1 || $month > 12 ) {
$this->error = 'Month '.$month. ' must be a number from 1 to 12';
return false;
}
return $month;
}
/**
* Checks to see if a day is valid (0 < DD < 32)
* @param int day two digits
* @return boolean
* @access public
**/
function validDay($day)
{
if ( $day < 1 || $day > 31 ) {
$this->error = 'Day '.$day. ' must be a number from 1 to 31';
return false;
}
return $day;
}
/**
* Checks to see if a day of week is valid (0 < D < 8)
* @param int day one digit
* @return boolean
* @access public
**/
function validDayOfWeek($day)
{
if ( $day < 1 || $day > 7 ) {
$this->error = 'Day '.$day. ' must be a number from 1 to 7';
return false;
}
return $day;
}
/**
* Checks to see if an hour is valid (-1 < H < 24)
* @param int hour two digits
* @return boolean
* @access public
**/
function validHour($hour)
{
if ( $hour < 0 || $hour > 23 ) {
$this->error = 'Hour '.$hour.' must be a number from 0 to 23';
return false;
}
return $hour;
}
/**
* Checks to see if a minute is valid (-1 < M < 60)
* @param int minute two digits
* @return boolean
* @access public
**/
function validMinute($minute)
{
if ( $minute < 0 || $minute > 59 ) {
$this->error = 'Minute '.$minute.' must be a number from 0 to 59';
return false;
}
return $minute;
}
/**
* Checks to see if a second is valid (-1 < S < 60)
* @param int second two digits
* @return boolean
* @access public
**/
function validSecond($second)
{
if ( !is_numeric($second) ) {
$this->error = 'Second '.$second.' is not numeric';
return false;
}
if ( $second < 0 || $second > 59 ) {
$this->error = 'Second '.$second.' must be a number from 0 to 59';
return false;
}
return $second;
}
/**
* Checks to see if a Unix timestamp is valid
* @param int Unix timestamp
* @return boolean
* @access public
**/
function validTimestamp($ts)
{
if ( !is_int($ts) ) {
$this->error = 'Timestamp '.$ts.' is not an integer';
return false;
}
if ( $ts < 0 || $ts > 2145913200 ) {
$this->error = 'Timestamp '.$ts.
' must be a number from 0 to 2145913200';
return false;
}
return $ts;
}
/**
* Returns the error message is false received from validation method
* @return string error message
* @access public
**/
function getError()
{
if ( !empty ( $this->error ) )
return $this->error;
else
return false;
}
}
?>
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