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Description

Generates the actual widget content (Do NOT override).

Finds the instance and calls WP_Widget::widget().

Usage

WP_Widget::display_callback( $args, $widget_args );

Parameters

$args

( array ) required – Display arguments. See WP_Widget::widget() for information on accepted arguments.

$widget_args

( int|array ) optional default: 1 – { Optional. Internal order number of the widget instance, or array of multi-widget arguments. Default 1.

$number

( int ) optional default: 1 – Number increment used for multiples of the same widget. }

Returns

void

Source

File name: wordpress/wp-includes/class-wp-widget.php
Lines:

  public function display_callback( $args, $widget_args = 1 ) {
    if ( is_numeric( $widget_args ) ) {
      $widget_args = array( 'number' => $widget_args );
    }

    $widget_args = wp_parse_args( $widget_args, array( 'number' => -1 ) );
    $this->WP_Widget::_set( $widget_args['number'] );
    $instances = $this->WP_Widget::get_settings();

    if ( isset( $instances[ $this->number ] ) ) {
      $instance = $instances[ $this->number ];

      
/**
 * Filters the settings for a particular widget instance.
 *
 * Returning false will effectively short-circuit display of the widget.
 *
 * @since 2.8.0
 *
 * @param array     $instance The current widget instance's settings.
 * @param WP_Widget $widget   The current widget instance.
 * @param array     $args     An array of default widget arguments.
 */
      $instance = apply_filters( 'widget_display_callback', $instance, $this, $args );

      if ( false === $instance ) {
        return;
      }

      $was_cache_addition_suspended = wp_suspend_cache_addition();
      if ( $this->WP_Widget::is_preview() && ! $was_cache_addition_suspended ) {
        wp_suspend_cache_addition( true );
      }

      $this->WP_Widget::widget( $args, $instance );

      if ( $this->WP_Widget::is_preview() ) {
        wp_suspend_cache_addition( $was_cache_addition_suspended );
      }
    }
  }
 

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