code: public function addTypeLinks($code)
      {
          if (preg_match('/(.*?)::([^(]+)/', $code, $matches)) {
              $class = $matches[1];
              $method = $matches[2];
              $text = $this->htmlEncode($class) . '::' . $this->htmlEncode($method);
          } else {
              $class = $code;
              $method = null;
              $text = $this->htmlEncode($class);
          }
  
          $url = null;
  
          $shouldGenerateLink = true;
          if ($method !== null && substr_compare($method, '{closure}', -9) !== 0) {
              $reflection = new \ReflectionClass($class);
              if ($reflection->hasMethod($method)) {
                  $reflectionMethod = $reflection->getMethod($method);
                  $shouldGenerateLink = $reflectionMethod->isPublic() || $reflectionMethod->isProtected();
              } else {
                  $shouldGenerateLink = false;
              }
          }
  
          if ($shouldGenerateLink) {
              $url = $this->getTypeUrl($class, $method);
          }
  
          if ($url === null) {
              return $text;
          }
  
          return '<a href="' . $url . '" target="_blank">' . $text . '</a>';
      }
docs: Adds informational links to the given PHP type/class.
  @param string $code type/class name to be linkified.
  @return string linkified with HTML type/class name.