original_string: public function _input_id( $suffix = '' ) {
  		return $this->field->id() . $suffix . ( $this->field->is_repeatable() ? '_' . $this->iterator : '' );
  	}
code: public function _input_id( $suffix = '' ) {
  		return $this->field->id() . $suffix . ( $this->field->is_repeatable() ? '_' . $this->iterator : '' );
  	}
code_tokens: public function _input_id ( $ suffix = '' ) { return $ this -> field -> id ( ) . $ suffix . ( $ this -> field -> is_repeatable ( ) ? '_' . $ this -> iterator : '' ) ; }
docstring: Generate the ID attribute.
  
  @param  string $suffix
  @return string
docstring_tokens: Generate the ID attribute .