original_string: protected function canDeleteField()
      {
          return isset($this->data_field['field_id'])
              && $this->field->canDelete($this->data_field['field_id'])
              && $this->access('field_delete');
      }
code: protected function canDeleteField()
      {
          return isset($this->data_field['field_id'])
              && $this->field->canDelete($this->data_field['field_id'])
              && $this->access('field_delete');
      }
code_tokens: protected function canDeleteField ( ) { return isset ( $ this -> data_field [ 'field_id' ] ) && $ this -> field -> canDelete ( $ this -> data_field [ 'field_id' ] ) && $ this -> access ( 'field_delete' ) ; }
docstring: Whether the field can be deleted
  @return bool
docstring_tokens: Whether the field can be deleted