model = $polylang->model; add_action( 'in_widget_form', array( $this, 'in_widget_form' ), 10, 3 ); add_filter( 'widget_update_callback', array( $this, 'widget_update_callback' ), 10, 2 ); } /** * Add the language filter field to the widgets options form. * * @since 3.0 Moved PLL_Admin_Filters. * @since 3.1 Rename lang_choice field name and id to pll_lang as the widget setting. * * @param WP_Widget $widget * @param null $return * @param array $instance * @return void */ public function in_widget_form( $widget, $return, $instance ) { $dropdown = new PLL_Walker_Dropdown(); $dropdown_html = $dropdown->walk( array_merge( array( (object) array('slug' => 0, 'name' => __( 'All languages', 'polylang' )) ), $this->model->get_languages_list() ), -1, array( 'id' => $widget->get_field_id( 'pll_lang' ), 'name' => $widget->get_field_name( 'pll_lang' ), 'class' => 'tags-input pll-lang-choice', 'selected' => empty( $instance['pll_lang'] ) ? '' : $instance['pll_lang'], ) ); printf( '

', esc_attr( $widget->get_field_id( 'pll_lang' ) ), esc_html__( 'The widget is displayed for:', 'polylang' ), $dropdown_html // phpcs:ignore WordPress.Security.EscapeOutput ); } /** * Called when widget options are saved. * Saves the language associated to the widget. * * @since 0.3 * @since 3.0 Moved from PLL_Admin_Filters. * @since 3.1 Remove unused $old_instance and $widget parameters. * * @param array $instance The current Widget's options. * @param array $new_instance The new Widget's options. * @return array Widget options. */ public function widget_update_callback( $instance, $new_instance ) { if ( ! empty( $new_instance['pll_lang'] ) && $lang = $this->model->get_language( $new_instance['pll_lang'] ) ) { $instance['pll_lang'] = $lang->slug; } else { unset( $instance['pll_lang'] ); } return $instance; } }