public static function convertMonth($month)
{
$months = Objects::getMonths();
if (in_array($month, $months)) {
array_unshift($months, '');
$monthsReversed = array_flip($months);
return str_pad($monthsReversed[$month], 2, '0', STR_PAD_LEFT);
} elseif (in_array($month, range(1, 12))) {
array_unshift($months, '');
return $months[(int) $month];
} else {
throw new \Exception('Wrong month name.');
}
}
