public function get_data() {
		$data = null;
		if ( ! empty( $this->struct['value'] ) ) {
			$data[ $this->slug ] = $this->struct['value'];
		}

		return $data;
	}
public function get_data() {
		$data = null;
		if ( ! empty( $this->struct['value'] ) ) {
			$data[ $this->slug ] = $this->struct['value'];
		}

		return $data;
	}
public function get_data ( ) { $ data = null ; if ( ! empty ( $ this -> struct [ 'value' ] ) ) { $ data [ $ this -> slug ] = $ this -> struct [ 'value' ] ; } return $ data ; }
Only if a button is given a value, then return it. this helps to determin which control was clicked.
@since 1.0.0
@access public
@return mixed $data
Only if a button is given a value then return it . this helps to determin which control was clicked .