<?php

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/**

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* Widget API: WP_Widget_Search class

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*

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* @package WordPress

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* @subpackage Widgets

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* @since 4.4.0

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*/

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/**

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* Core class used to implement a Search widget.

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*

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* @since 2.8.0

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*

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* @see WP_Widget

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*/

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class WP_Widget_Search extends WP_Widget {

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/**

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* Sets up a new Search widget instance.

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*

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* @since 2.8.0

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*/

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public function __construct() {

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$widget_ops = array(

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'classname' => 'widget_search',

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'description' => __( 'A search form for your site.' ),

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'customize_selective_refresh' => true,

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'show_instance_in_rest' => true,

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);

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parent::__construct( 'search', _x( 'Search', 'Search widget' ), $widget_ops );

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}

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/**

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* Outputs the content for the current Search widget instance.

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*

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* @since 2.8.0

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*

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* @param array $args Display arguments including 'before_title', 'after_title',

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* 'before_widget', and 'after_widget'.

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* @param array $instance Settings for the current Search widget instance.

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*/

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public function widget( $args, $instance ) {

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$title = ! empty( $instance['title'] ) ? $instance['title'] : '';

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/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */

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$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );

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echo $args['before_widget'];

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if ( $title ) {

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echo $args['before_title'] . $title . $args['after_title'];

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}

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// Use active theme search form if it exists.

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get_search_form();

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echo $args['after_widget'];

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}

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/**

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* Outputs the settings form for the Search widget.

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*

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* @since 2.8.0

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*

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* @param array $instance Current settings.

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*/

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public function form( $instance ) {

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$instance = wp_parse_args( (array) $instance, array( 'title' => '' ) );

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$title = $instance['title'];

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?>

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<p>

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<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label>

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<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 ); ?>" />

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</p>

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<?php

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}

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/**

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* Handles updating settings for the current Search widget instance.

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*

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* @since 2.8.0

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*

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* @param array $new_instance New settings for this instance as input by the user via

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* WP_Widget::form().

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* @param array $old_instance Old settings for this instance.

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* @return array Updated settings.

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*/

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public function update( $new_instance, $old_instance ) {

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$instance = $old_instance;

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$new_instance = wp_parse_args( (array) $new_instance, array( 'title' => '' ) );

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$instance['title'] = sanitize_text_field( $new_instance['title'] );

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return $instance;

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}

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}

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