impress-org / give

			// Modify dates based on predefined ranges

			switch ( $args['date'] ) :

				case 'this_month' :

					$dates['day']     = null;

					$dates['m_start'] = date( 'n', $current_time );

					$dates['m_end']   = date( 'n', $current_time );

					$dates['year']    = date( 'Y', $current_time );

					break;

				case 'last_month' :

					$dates['day']     = null;

					$dates['year']    = date( 'n', $current_time ) == 1 ? date( 'Y', $current_time ) - 1 : date( 'Y', $current_time );

					break;

				case 'today' :

					$dates['day']     = date( 'd', $current_time );

					$dates['m_start'] = date( 'n', $current_time );

					$dates['m_end']   = date( 'n', $current_time );

					$dates['year']    = date( 'Y', $current_time );

					break;

				case 'yesterday' :