PhpMigration\Changes\ClassTree::outputTree PHP Метод

    protected function outputTree($data, $depth = 0, $last_status = [])
    {
        if (!is_array($data) || empty($data)) {
            return;
        }
        ksort($data);
        // Record last name
        foreach ($data as $name => $node) {
            if ($depth == 0 && !$node['topentry']) {
                continue;
            }
            $lastname = $name;
        }
        foreach ($data as $name => $node) {
            if ($depth == 0 && !$node['topentry']) {
                continue;
            }
            $is_last = $name == $lastname;
            // Padding
            $padding = '';
            for ($i = 0; $i < $depth; $i++) {
                if ($last_status[$i]) {
                    $padding .= '    ';
                } else {
                    $padding .= '|   ';
                }
            }
            $padding .= ($is_last ? '`' : '|') . '-- ';
            // Output
            echo $padding . $name . "\n";
            if ($node['children']) {
                $last_status[$depth] = $is_last;
                $this->outputTree($node['children'], $depth + 1, $last_status);
            }
        }
    }