public static function isLeapYear($year) {
	    $mod = ($year % 33);
	    if (($mod == 1) or ( $mod == 5) or ( $mod == 9) or ( $mod == 13) or ( $mod == 17) or ( $mod == 22) or ( $mod == 26) or ( $mod == 30)) {
	        return true;
	    }
	    return false;
	}
public static function isLeapYear($year) {
	    $mod = ($year % 33);
	    if (($mod == 1) or ( $mod == 5) or ( $mod == 9) or ( $mod == 13) or ( $mod == 17) or ( $mod == 22) or ( $mod == 26) or ( $mod == 30)) {
	        return true;
	    }
	    return false;
	}
public static function isLeapYear ( $ year ) { $ mod = ( $ year % 33 ) ; if ( ( $ mod == 1 ) or ( $ mod == 5 ) or ( $ mod == 9 ) or ( $ mod == 13 ) or ( $ mod == 17 ) or ( $ mod == 22 ) or ( $ mod == 26 ) or ( $ mod == 30 ) ) { return true ; } return false ; }
check jalali the instance is a leap year

@param int $year
@return bool
check jalali the instance is a leap year