615      * @param array $root (by reference)
619     private function mapInExtensions(&$root, $path)  argument
621         $extensions = &$this->subArrayUnchecked($root, $path);
664      * @param array $root (by reference)
668     private function mapOutExtensions(&$root, $path)  argument
670         $extensions = &$this->subArray($root, $path, !empty($this->extensionValues));
746      * @param array $root (by reference)
750     private function mapInAttributes(&$root, $path)  argument
752         $attributes = &$this->subArray($root, $path);
786      * @param array $root (by reference)
790     private function mapOutAttributes(&$root, $path)  argument
792         $attributes = &$this->subArray($root, $path);
828      * @param array $root (by reference)
832     private function mapInDNs(&$root, $path)  argument
834         $dns = &$this->subArray($root, $path);
857      * @param array $root (by reference)
861     private function mapOutDNs(&$root, $path)  argument
863         $dns = &$this->subArray($root, $path);
3169      * @param array $root
3174     private function isSubArrayValid($root, $path)  argument
3176         if (!is_array($root)) {
3181             if (!is_array($root)) {
3185             if (!isset($root[$i])) {
3189             $root = $root[$i];
3205      * @param array $root
3211     private function &subArrayUnchecked(&$root, $path, $create = false)  argument
3216             if (!isset($root[$i])) {
3221                 $root[$i] = [];
3224             $root = &$root[$i];
3227         return $root;
3233      * @param array $root
3239     private function &subArray(&$root, $path, $create = false)  argument
3243         if (!is_array($root)) {
3248             if (!is_array($root)) {
3252             if (!isset($root[$i])) {
3257                 $root[$i] = [];
3260             $root = &$root[$i];
3263         return $root;
3269      * @param array $root
3275     private function &extensions(&$root, $path = null, $create = false)  argument
3277         if (!isset($root)) {
3278             $root = $this->currentCert;
3283             case !is_array($root):
3285             case isset($root['tbsCertificate']):
3288             case isset($root['tbsCertList']):
3291             case isset($root['certificationRequestInfo']):
3293                 $attributes = &$this->subArray($root, $pth, $create);
3311         $extensions = &$this->subArray($root, $path, $create);