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Description

Ajax handler for saving a widget.

Usage

wp_ajax_save_widget();

Parameters

Returns

void

Source

File name: wordpress/wp-admin/includes/ajax-actions.php
Lines:

function wp_ajax_save_widget() {
  global $wp_registered_widgets, $wp_registered_widget_controls, $wp_registered_widget_updates;

  check_ajax_referer( 'save-sidebar-widgets', 'savewidgets' );

  if ( ! current_user_can( 'edit_theme_options' ) || ! isset( $_POST['id_base'] ) ) {
    wp_die( -1 );
  }

  unset( $_POST['savewidgets'], $_POST['action'] );

  
/**
 * Fires early when editing the widgets displayed in sidebars.
 *
 * @since 2.8.0
 */
  do_action( 'load-widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores

  
/**
 * Fires early when editing the widgets displayed in sidebars.
 *
 * @since 2.8.0
 */
  do_action( 'widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores

  
/** This action is documented in wp-admin/widgets.php */
  do_action( 'sidebar_admin_setup' );

  $id_base      = wp_unslash( $_POST['id_base'] );
  $widget_id    = wp_unslash( $_POST['widget-id'] );
  $sidebar_id   = $_POST['sidebar'];
  $multi_number = ! empty( $_POST['multi_number'] ) ? (int) $_POST['multi_number'] : 0;
  $settings     = isset( $_POST[ 'widget-' . $id_base ] ) && is_array( $_POST[ 'widget-' . $id_base ] ) ? $_POST[ 'widget-' . $id_base ] : false;
  $error        = '<p>' . __( 'An error has occurred. Please reload the page and try again.' ) . '</p>';

  $sidebars = wp_get_sidebars_widgets();
  $sidebar  = isset( $sidebars[ $sidebar_id ] ) ? $sidebars[ $sidebar_id ] : array();

  // Delete.
  if ( isset( $_POST['delete_widget'] ) && $_POST['delete_widget'] ) {

    if ( ! isset( $wp_registered_widgets[ $widget_id ] ) ) {
      wp_die( $error );
    }

    $sidebar = array_diff( $sidebar, array( $widget_id ) );
    $_POST   = array(
      'sidebar'            => $sidebar_id,
      'widget-' . $id_base => array(),
      'the-widget-id'      => $widget_id,
      'delete_widget'      => '1',
    );

    
/** This action is documented in wp-admin/widgets.php */
    do_action( 'delete_widget', $widget_id, $sidebar_id, $id_base );

  } elseif ( $settings && preg_match( '/__i__|%i%/', key( $settings ) ) ) {
    if ( ! $multi_number ) {
      wp_die( $error );
    }

    $_POST[ 'widget-' . $id_base ] = array( $multi_number => reset( $settings ) );
    $widget_id                     = $id_base . '-' . $multi_number;
    $sidebar[]                     = $widget_id;
  }
  $_POST['widget-id'] = $sidebar;

  foreach ( (array) $wp_registered_widget_updates as $name => $control ) {

    if ( $name == $id_base ) {
      if ( ! is_callable( $control['callback'] ) ) {
        continue;
      }

      ob_start();
        call_user_func_array( $control['callback'], $control['params'] );
      ob_end_clean();
      break;
    }
  }

  if ( isset( $_POST['delete_widget'] ) && $_POST['delete_widget'] ) {
    $sidebars[ $sidebar_id ] = $sidebar;
    wp_set_sidebars_widgets( $sidebars );
    echo "deleted:$widget_id";
    wp_die();
  }

  if ( ! empty( $_POST['add_new'] ) ) {
    wp_die();
  }

  $form = $wp_registered_widget_controls[ $widget_id ];
  if ( $form ) {
    call_user_func_array( $form['callback'], $form['params'] );
  }

  wp_die();
}
 

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