public static function inBetween( $startDate, $endDate, $date ) {

		$start 	= is_string( $startDate ) ? strtotime( $startDate ) : $startDate->getTimestamp();
		$end 	= is_string( $endDate ) ? strtotime( $endDate ) : $endDate->getTimestamp();
		$test 	= is_string( $date ) ? strtotime( $date ) : $date->getTimestamp();

		// Test in between start and end
		return ( ( $test >= $start ) && ( $test <= $end ) );
	}