original_string: protected function getUniqueLoginKey()
      {
          $key = $this->request->input($this->loginKey);
          $ip = $this->request->ip();
  
          return \mb_strtolower($key).$ip;
      }
code: protected function getUniqueLoginKey()
      {
          $key = $this->request->input($this->loginKey);
          $ip = $this->request->ip();
  
          return \mb_strtolower($key).$ip;
      }
code_tokens: protected function getUniqueLoginKey ( ) { $ key = $ this -> request -> input ( $ this -> loginKey ) ; $ ip = $ this -> request -> ip ( ) ; return \ mb_strtolower ( $ key ) . $ ip ; }
docstring: Get the login key.
  
  @return string
docstring_tokens: Get the login key .