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/wp-includes/widgets/ -> class-wp-widget-search.php (source)

   1  <?php
   2  /**
   3   * Widget API: WP_Widget_Search class
   4   *
   5   * @package WordPress
   6   * @subpackage Widgets
   7   * @since 4.4.0
   8   */
   9  
  10  /**
  11   * Core class used to implement a Search widget.
  12   *
  13   * @since 2.8.0
  14   *
  15   * @see WP_Widget
  16   */
  17  class WP_Widget_Search extends WP_Widget {
  18  
  19      /**
  20       * Sets up a new Search widget instance.
  21       *
  22       * @since 2.8.0
  23       */
  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 2.8.0
  38       *
  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 current 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 2.8.0
  64       *
  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          <?php
  76      }
  77  
  78      /**
  79       * Handles updating settings for the current Search widget instance.
  80       *
  81       * @since 2.8.0
  82       *
  83       * @param array $new_instance New settings for this instance as input by the user via
  84       *                            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  
  95  }


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