original_string: protected function getArrayAttributeByKey($key)
      {
          return isset($this->attributes[$key]) ?
                      $this->fromJson($this->attributes[$key]) : [];
      }
code: protected function getArrayAttributeByKey($key)
      {
          return isset($this->attributes[$key]) ?
                      $this->fromJson($this->attributes[$key]) : [];
      }
code_tokens: protected function getArrayAttributeByKey ( $ key ) { return isset ( $ this -> attributes [ $ key ] ) ? $ this -> fromJson ( $ this -> attributes [ $ key ] ) : [ ] ; }
docstring: Get an array attribute or return an empty array if it is not set.
  
  @param  string  $key
  @return array
docstring_tokens: Get an array attribute or return an empty array if it is not set .