original_string: public function paramName($name, $default = null)
      {
          if (($extName = $this->propertyName($name)) && substr($extName, 0, 1) == ':') {
              return substr($extName, 1);
          }
  
          return $default;
      }
code: public function paramName($name, $default = null)
      {
          if (($extName = $this->propertyName($name)) && substr($extName, 0, 1) == ':') {
              return substr($extName, 1);
          }
  
          return $default;
      }
code_tokens: public function paramName ( $ name , $ default = null ) { if ( ( $ extName = $ this -> propertyName ( $ name ) ) && substr ( $ extName , 0 , 1 ) == ':' ) { return substr ( $ extName , 1 ) ; } return $ default ; }
docstring: Returns the external property name when the property value is a routing parameter reference.
  Otherwise the default value specified is returned.
  @param string $name The property name
  @param mixed $default
  @return string
docstring_tokens: Returns the external property name when the property value is a routing parameter reference . Otherwise the default value specified is returned .