/**
* Returns the abbreviated weekday name for the given date
*
* @param int $day
* the day of the month, default is current local day
* @param int $month
* the month, default is current local month
* @param int $year
* the year in four digit format, default is current local year
* @param int $length
* the length of abbreviation
*
* @return string the abbreviated name of the day of the week
*
* @access public
* @static
*
* @see Calc::getWeekdayFullname()
*/
static function getWeekdayAbbrname($day = 0, $month = 0, $year = 0, $length = 3)
{
if (empty($year)) {
$year = Calc::dateNow('%Y');
}
if (empty($month)) {
$month = Calc::dateNow('%m');
}
if (empty($day)) {
$day = Calc::dateNow('%d');
}
return substr(Calc::getWeekdayFullname($day, $month, $year), 0, $length);
}
