samsonframework / string-condition-tree

        }

        // If both structures are equal compare lengths of NPCG

        for ($i = 0; $i < $maxStructureSize; $i++) {

            // If current CG is NPCG

            if ($initial[$i][0] === 1) {

                if ($initial[$i][1] > $compared[$i][1]) {

                    return 1;

                }

                if ($initial[$i][1] < $compared[$i][1]) {

                    return -1;

                }

            }

            // Current NPCG character groups have equal length - continue

        }

        $return = $this->compareStructureLengths($maxStructureSize, $initial, $compared, self::G_FIXED);

        if ($return === 0) {

    protected function compareStructureLengths(int $size, array $initial, array $compared, int $type = self::G_FIXED): int

    {

        // Iterate character group structures

        for ($i = 0; $i < $size; $i++) {

            // Check if character group matches passed character group type

            if ($initial[$i][$type] === $type) {

                // Compare character group length

                if ($initial[$i][1] > $compared[$i][1]) {

                    return -1;

                }

                if ($initial[$i][1] < $compared[$i][1]) {

                    return 1;

                }

                // Continue to next character group structure

            }

        }

        // Character group structures have equal length

        return 0;