PHP - Get months in date range

PHP - Get months in date range

function get_months_in_range($start, $end, $format='timestamp', $create_empty_array=false) {
	$i = $formatted_i = $start = strtotime($start);
	if( $format != 'timestamp' ) $formatted_i = date($format, $i);
	$end = strtotime($end);
	$dates = $create_empty_array ? array($formatted_i => array()) : array($formatted_i);
	while($i < $end) {
		$month = $formatted_day = mktime(0, 0, 0, date('m', $i)+1, date('d',$i), date('Y', $i));
		if( $format != 'timestamp' ) {
			$formatted_month = date($format, $month);
		}
		if( $create_empty_array ) {
			$dates[$formatted_month] = array();
		} else {
			$dates[] = $formatted_month;
		}
		$i = $month;
	}
	return $dates;
}