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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          );
  30          parent::__construct( 'search', _x( 'Search', 'Search widget' ), $widget_ops );
  31      }
  32  
  33      /**
  34       * Outputs the content for the current Search widget instance.
  35       *
  36       * @since 2.8.0
  37       *
  38       * @param array $args     Display arguments including 'before_title', 'after_title',
  39       *                        'before_widget', and 'after_widget'.
  40       * @param array $instance Settings for the current Search widget instance.
  41       */
  42  	public function widget( $args, $instance ) {
  43          $title = ! empty( $instance['title'] ) ? $instance['title'] : '';
  44  
  45          /** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
  46          $title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
  47  
  48          echo $args['before_widget'];
  49          if ( $title ) {
  50              echo $args['before_title'] . $title . $args['after_title'];
  51          }
  52  
  53          // Use current theme search form if it exists
  54          get_search_form();
  55  
  56          echo $args['after_widget'];
  57      }
  58  
  59      /**
  60       * Outputs the settings form for the Search widget.
  61       *
  62       * @since 2.8.0
  63       *
  64       * @param array $instance Current settings.
  65       */
  66  	public function form( $instance ) {
  67          $instance = wp_parse_args( (array) $instance, array( 'title' => '' ) );
  68          $title    = $instance['title'];
  69          ?>
  70          <p><label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?> <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 ); ?>" /></label></p>
  71          <?php
  72      }
  73  
  74      /**
  75       * Handles updating settings for the current Search widget instance.
  76       *
  77       * @since 2.8.0
  78       *
  79       * @param array $new_instance New settings for this instance as input by the user via
  80       *                            WP_Widget::form().
  81       * @param array $old_instance Old settings for this instance.
  82       * @return array Updated settings.
  83       */
  84  	public function update( $new_instance, $old_instance ) {
  85          $instance          = $old_instance;
  86          $new_instance      = wp_parse_args( (array) $new_instance, array( 'title' => '' ) );
  87          $instance['title'] = sanitize_text_field( $new_instance['title'] );
  88          return $instance;
  89      }
  90  
  91  }


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