original_string: public function getByLabel($label)
      {
          return isset($this->items[$label]) ? $this->items[$label] : null;
      }
code: public function getByLabel($label)
      {
          return isset($this->items[$label]) ? $this->items[$label] : null;
      }
code_tokens: public function getByLabel ( $ label ) { return isset ( $ this -> items [ $ label ] ) ? $ this -> items [ $ label ] : null ; }
docstring: Returns user data item by its label.
  
  @param string $label
  @return UserDataItem|null
docstring_tokens: Returns user data item by its label .