original_string: public function getParameter($key, $default = null) {
          $value = $this->getUrl()->getQuery()->get($key);
  
          if ($value === null) {
              $value = $this->getData()->get($key, $default);
          }
  
          return $value;
      }
code: public function getParameter($key, $default = null) {
          $value = $this->getUrl()->getQuery()->get($key);
  
          if ($value === null) {
              $value = $this->getData()->get($key, $default);
          }
  
          return $value;
      }
code_tokens: public function getParameter ( $ key , $ default = null ) { $ value = $ this -> getUrl ( ) -> getQuery ( ) -> get ( $ key ) ; if ( $ value === null ) { $ value = $ this -> getData ( ) -> get ( $ key , $ default ) ; } return $ value ; }
docstring: Retrieve a value from url query or message body.
  
  @param string $key
  @param null $default
  
  @return mixed
docstring_tokens: Retrieve a value from url query or message body .