bp_nouveau_notifications_sort( array $filters = array() )

function bp_nouveau_notifications_sort( $filters = array() ) {
	$sorted = array();

	if ( empty( $filters ) || ! is_array( $filters ) ) {
		return $sorted;
	}

	foreach ( $filters as $filter ) {
		$position = 99;

		if ( isset( $filter['position'] ) ) {
			$position = (int) $filter['position'];
		}

		// If position is already taken, move to the first next available
		if ( isset( $sorted[ $position ] ) ) {
			$sorted_keys = array_keys( $sorted );

			do {
				$position += 1;
			} while ( in_array( $position, $sorted_keys, true ) );
		}

		$sorted[ $position ] = $filter;
	}

	ksort( $sorted );
	return $sorted;
}