WP_Widget_Search

17class WP_Widget_Search extends WP_Widget {18 19	/**20	 * Sets up a new Search widget instance.21	 *22	 * @since 2.8.023	 */24	public function __construct() {25		$widget_ops = array(26			'classname'                   => 'widget_search',27			'description'                 => __( 'A search form for your site.' ),28			'customize_selective_refresh' => true,29			'show_instance_in_rest'       => true,30		);31		parent::__construct( 'search', _x( 'Search', 'Search widget' ), $widget_ops );32	}33 34	/**35	 * Outputs the content for the current Search widget instance.36	 *37	 * @since 2.8.038	 *39	 * @param array $args     Display arguments including 'before_title', 'after_title',40	 *                        'before_widget', and 'after_widget'.41	 * @param array $instance Settings for the current Search widget instance.42	 */43	public function widget( $args, $instance ) {44		$title = ! empty( $instance['title'] ) ? $instance['title'] : '';45 46		/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */47		$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );48 49		echo $args['before_widget'];50		if ( $title ) {51			echo $args['before_title'] . $title . $args['after_title'];52		}53 54		// Use active theme search form if it exists.55		get_search_form();56 57		echo $args['after_widget'];58	}59 60	/**61	 * Outputs the settings form for the Search widget.62	 *63	 * @since 2.8.064	 *65	 * @param array $instance Current settings.66	 */67	public function form( $instance ) {68		$instance = wp_parse_args( (array) $instance, array( 'title' => '' ) );69		$title    = $instance['title'];70		?>71		<p>72			<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label>73			<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" />74		</p>75		<?php76	}77 78	/**79	 * Handles updating settings for the current Search widget instance.80	 *81	 * @since 2.8.082	 *83	 * @param array $new_instance New settings for this instance as input by the user via84	 *                            WP_Widget::form().85	 * @param array $old_instance Old settings for this instance.86	 * @return array Updated settings.87	 */88	public function update( $new_instance, $old_instance ) {89		$instance          = $old_instance;90		$new_instance      = wp_parse_args( (array) $new_instance, array( 'title' => '' ) );91		$instance['title'] = sanitize_text_field( $new_instance['title'] );92		return $instance;93	}94}