rousnay / lighthouse

		// If post_id has changed, this is most likely an archive loop

		if( $change == 'post_id' ) {

			if( empty($_post_id) && $sub_exists ) {

				// case: Change in $post_id was due to this being a nested loop and not specifying the $post_id

				// action: move down one level into a new loop

				$new_child_loop = true;

			} elseif( $prev && $prev['post_id'] == $post_id ) {

				// case: Change in $post_id was due to a nested loop ending

				// action: move up one level through the loops

				reset_rows();

			} else {

				// case: Chang in $post_id is the most obvious, used in an WP_Query loop with multiple $post objects

				// action: leave this current loop alone and create a new parent loop

				$new_parent_loop = true;

			}

		} elseif( $change == 'selector' ) {

		} elseif( $change == 'selector' ) {

			if( $prev && $prev['selector'] == $selector && $prev['post_id'] == $post_id ) {

				// case: Change in $field_name was due to a nested loop ending

				// action: move up one level through the loops

				reset_rows();

			} elseif( $sub_exists ) {

				// case: Change in $field_name was due to this being a nested loop

				// action: move down one level into a new loop

				$new_child_loop = true;

			} else {

				// case: Chang in $field_name is the most obvious, this is a new loop for a different field within the $post

				// action: leave this current loop alone and create a new parent loop

				$new_parent_loop = true;

			}

		}