FM / wp-includes

/var/www/vhosts/ihelp.ro/ajutam.ro/wp-includes/

/var/www/vhosts/ihelp.ro/ajutam.ro/wp-includes

Name	Size	Mode	Actions
abilities-api/	-	0755	rm
assets/	-	0755	rm
block-bindings/	-	0755	rm
block-patterns/	-	0755	rm
block-supports/	-	0755	rm
blocks/	-	0755	rm
certificates/	-	0755	rm
css/	-	0755	rm
customize/	-	0755	rm
fonts/	-	0755	rm
html-api/	-	0755	rm
ID3/	-	0755	rm
images/	-	0755	rm
interactivity-api/	-	0755	rm
IXR/	-	0755	rm
js/	-	0755	rm
l10n/	-	0755	rm
php-compat/	-	0755	rm
PHPMailer/	-	0755	rm
pomo/	-	0755	rm
Requests/	-	0755	rm
rest-api/	-	0755	rm
SimplePie/	-	0755	rm
sitemaps/	-	0755	rm
sodium_compat/	-	0755	rm
style-engine/	-	0755	rm
Text/	-	0755	rm
theme-compat/	-	0755	rm
widgets/	-	0755	rm
abilities-api.php	24369	0644	edit dl rm
abilities.php	7983	0644	edit dl rm
admin-bar.php	36966	0644	edit dl rm
atomlib.php	12181	0644	edit dl rm
author-template.php	19391	0644	edit dl rm
block-bindings.php	7526	0644	edit dl rm
block-editor.php	29282	0644	edit dl rm
block-i18n.json	316	0644	edit dl rm
block-patterns.php	13213	0644	edit dl rm
block-template-utils.php	62484	0644	edit dl rm
block-template.php	15359	0644	edit dl rm
blocks.php	114739	0644	edit dl rm
bookmark-template.php	12768	0644	edit dl rm
bookmark.php	15427	0644	edit dl rm
cache-compat.php	10078	0644	edit dl rm
cache.php	13486	0644	edit dl rm
canonical.php	34628	0644	edit dl rm
capabilities.php	43652	0644	edit dl rm
category-template.php	57045	0644	edit dl rm
category.php	12829	0644	edit dl rm
class-avif-info.php	29615	0644	edit dl rm
class-feed.php	539	0644	edit dl rm
class-http.php	367	0644	edit dl rm
class-IXR.php	2616	0644	edit dl rm
class-json.php	43676	0644	edit dl rm
class-oembed.php	401	0644	edit dl rm
class-phpass.php	6771	0644	edit dl rm
class-phpmailer.php	664	0644	edit dl rm
class-pop3.php	21121	0644	edit dl rm
class-requests.php	2237	0644	edit dl rm
class-simplepie.php	453	0644	edit dl rm
class-smtp.php	457	0644	edit dl rm
class-snoopy.php	37715	0644	edit dl rm
class-walker-category-dropdown.php	2469	0644	edit dl rm
class-walker-category.php	8477	0644	edit dl rm
class-walker-comment.php	14221	0644	edit dl rm
class-walker-nav-menu.php	12044	0644	edit dl rm
class-walker-page-dropdown.php	2710	0644	edit dl rm
class-walker-page.php	7612	0644	edit dl rm
class-wp-admin-bar.php	17874	0644	edit dl rm
class-wp-ajax-response.php	5266	0644	edit dl rm
class-wp-application-passwords.php	17099	0644	edit dl rm
class-wp-block-bindings-registry.php	8482	0644	edit dl rm
class-wp-block-bindings-source.php	2992	0644	edit dl rm
class-wp-block-editor-context.php	1350	0644	edit dl rm
class-wp-block-list.php	4713	0644	edit dl rm
class-wp-block-metadata-registry.php	11895	0644	edit dl rm
class-wp-block-parser-block.php	2555	0644	edit dl rm
class-wp-block-parser-frame.php	2017	0644	edit dl rm
class-wp-block-parser.php	11516	0644	edit dl rm
class-wp-block-pattern-categories-registry.php	5450	0644	edit dl rm
class-wp-block-patterns-registry.php	11253	0644	edit dl rm
class-wp-block-processor.php	69959	0644	edit dl rm
class-wp-block-styles-registry.php	6497	0644	edit dl rm
class-wp-block-supports.php	5626	0644	edit dl rm
class-wp-block-template.php	2033	0644	edit dl rm
class-wp-block-templates-registry.php	7193	0644	edit dl rm
class-wp-block-type-registry.php	5030	0644	edit dl rm
class-wp-block-type.php	17265	0644	edit dl rm
class-wp-block.php	24812	0644	edit dl rm
class-wp-classic-to-block-menu-converter.php	4070	0644	edit dl rm
class-wp-comment-query.php	48804	0644	edit dl rm
class-wp-comment.php	9437	0644	edit dl rm
class-wp-customize-control.php	26119	0644	edit dl rm
class-wp-customize-manager.php	203139	0644	edit dl rm
class-wp-customize-nav-menus.php	58013	0644	edit dl rm
class-wp-customize-panel.php	10710	0644	edit dl rm
class-wp-customize-section.php	11209	0644	edit dl rm
class-wp-customize-setting.php	29962	0644	edit dl rm
class-wp-customize-widgets.php	72607	0644	edit dl rm
class-wp-date-query.php	36147	0644	edit dl rm
class-wp-dependencies.php	17004	0644	edit dl rm
class-wp-dependency.php	2633	0644	edit dl rm
class-wp-duotone.php	40783	0644	edit dl rm
class-wp-editor.php	72335	0644	edit dl rm
class-wp-embed.php	15931	0644	edit dl rm
class-wp-error.php	7502	0644	edit dl rm
class-wp-exception.php	253	0644	edit dl rm
class-wp-fatal-error-handler.php	8150	0644	edit dl rm
class-wp-feed-cache-transient.php	3304	0644	edit dl rm
class-wp-feed-cache.php	969	0644	edit dl rm
class-wp-hook.php	16674	0644	edit dl rm
class-wp-http-cookie.php	7389	0644	edit dl rm
class-wp-http-curl.php	13261	0644	edit dl rm
class-wp-http-encoding.php	6689	0644	edit dl rm
class-wp-http-ixr-client.php	3506	0644	edit dl rm
class-wp-http-proxy.php	5980	0644	edit dl rm
class-wp-http-requests-hooks.php	2022	0644	edit dl rm
class-wp-http-requests-response.php	4400	0644	edit dl rm
class-wp-http-response.php	2977	0644	edit dl rm
class-wp-http-streams.php	16859	0644	edit dl rm
class-wp-http.php	41570	0644	edit dl rm
class-wp-image-editor-gd.php	20705	0644	edit dl rm
class-wp-image-editor-imagick.php	43415	0644	edit dl rm
class-wp-image-editor.php	17415	0644	edit dl rm
class-wp-list-util.php	7443	0644	edit dl rm
class-wp-locale-switcher.php	6776	0644	edit dl rm
class-wp-locale.php	16883	0644	edit dl rm
class-wp-matchesmapregex.php	1828	0644	edit dl rm
class-wp-meta-query.php	30533	0644	edit dl rm
class-wp-metadata-lazyloader.php	6833	0644	edit dl rm
class-wp-navigation-fallback.php	9193	0644	edit dl rm
class-wp-network-query.php	19887	0644	edit dl rm
class-wp-network.php	12296	0644	edit dl rm
class-wp-object-cache.php	17524	0644	edit dl rm
class-wp-oembed-controller.php	6905	0644	edit dl rm
class-wp-oembed.php	31670	0644	edit dl rm
class-wp-paused-extensions-storage.php	5111	0644	edit dl rm
class-wp-phpmailer.php	4348	0644	edit dl rm
class-wp-plugin-dependencies.php	25315	0644	edit dl rm
class-wp-post-type.php	30680	0644	edit dl rm
class-wp-post.php	6491	0644	edit dl rm
class-wp-query.php	163975	0644	edit dl rm
class-wp-recovery-mode-cookie-service.php	6877	0644	edit dl rm
class-wp-recovery-mode-email-service.php	11183	0644	edit dl rm
class-wp-recovery-mode-key-service.php	4884	0644	edit dl rm
class-wp-recovery-mode-link-service.php	3463	0644	edit dl rm
class-wp-recovery-mode.php	11453	0644	edit dl rm
class-wp-rewrite.php	63687	0644	edit dl rm
class-wp-role.php	2523	0644	edit dl rm
class-wp-roles.php	9394	0644	edit dl rm
class-wp-script-modules.php	32951	0644	edit dl rm
class-wp-scripts.php	34864	0644	edit dl rm
class-wp-session-tokens.php	7319	0644	edit dl rm
class-wp-simplepie-file.php	3552	0644	edit dl rm
class-wp-simplepie-sanitize-kses.php	1910	0644	edit dl rm
class-wp-site-query.php	31655	0644	edit dl rm
class-wp-site.php	7467	0644	edit dl rm
class-wp-speculation-rules.php	7527	0644	edit dl rm
class-wp-styles.php	12843	0644	edit dl rm
class-wp-tax-query.php	19577	0644	edit dl rm
class-wp-taxonomy.php	18559	0644	edit dl rm
class-wp-term-query.php	40953	0644	edit dl rm
class-wp-term.php	5298	0644	edit dl rm
class-wp-text-diff-renderer-inline.php	979	0644	edit dl rm
class-wp-text-diff-renderer-table.php	18880	0644	edit dl rm
class-wp-textdomain-registry.php	10481	0644	edit dl rm
class-wp-theme-json-data.php	1809	0644	edit dl rm
class-wp-theme-json-resolver.php	35738	0644	edit dl rm
class-wp-theme-json-schema.php	7367	0644	edit dl rm
class-wp-theme-json.php	164347	0644	edit dl rm
class-wp-theme.php	65810	0644	edit dl rm
class-wp-token-map.php	28618	0644	edit dl rm
class-wp-url-pattern-prefixer.php	4802	0644	edit dl rm
class-wp-user-meta-session-tokens.php	3011	0644	edit dl rm
class-wp-user-query.php	44166	0644	edit dl rm
class-wp-user-request.php	2305	0644	edit dl rm
class-wp-user.php	23044	0644	edit dl rm
class-wp-walker.php	13322	0644	edit dl rm
class-wp-widget-factory.php	3347	0644	edit dl rm
class-wp-widget.php	18429	0644	edit dl rm
class-wp-xmlrpc-server.php	215447	0644	edit dl rm
class-wp.php	26481	0644	edit dl rm
class-wpdb.php	118627	0644	edit dl rm
class.wp-dependencies.php	373	0644	edit dl rm
class.wp-scripts.php	343	0644	edit dl rm
class.wp-styles.php	338	0644	edit dl rm
comment-template.php	103145	0644	edit dl rm
comment.php	134069	0644	edit dl rm
compat-utf8.php	19554	0644	edit dl rm
compat.php	17830	0644	edit dl rm
cron.php	42988	0644	edit dl rm
date.php	400	0644	edit dl rm
default-constants.php	11365	0644	edit dl rm
default-filters.php	37910	0644	edit dl rm
default-widgets.php	2295	0644	edit dl rm
deprecated.php	192644	0644	edit dl rm
embed-template.php	338	0644	edit dl rm
embed.php	38911	0644	edit dl rm
error-protection.php	4121	0644	edit dl rm
feed-atom-comments.php	5504	0644	edit dl rm
feed-atom.php	3121	0644	edit dl rm
feed-rdf.php	2668	0644	edit dl rm
feed-rss.php	1189	0644	edit dl rm
feed-rss2-comments.php	4136	0644	edit dl rm
feed-rss2.php	3799	0644	edit dl rm
feed.php	25189	0644	edit dl rm
fonts.php	9790	0644	edit dl rm
formatting.php	354741	0644	edit dl rm
functions.php	288600	0644	edit dl rm
functions.wp-scripts.php	15311	0644	edit dl rm
functions.wp-styles.php	8641	0644	edit dl rm
general-template.php	173004	0644	edit dl rm
global-styles-and-settings.php	21204	0644	edit dl rm
http.php	27650	0644	edit dl rm
https-detection.php	5857	0644	edit dl rm
https-migration.php	4741	0644	edit dl rm
kses.php	83849	0644	edit dl rm
l10n.php	68797	0644	edit dl rm
link-template.php	160117	0644	edit dl rm
load.php	56510	0644	edit dl rm
locale.php	162	0644	edit dl rm
media-template.php	63197	0644	edit dl rm
media.php	221247	0644	edit dl rm
meta.php	66556	0644	edit dl rm
ms-blogs.php	25845	0644	edit dl rm
ms-default-constants.php	4921	0644	edit dl rm
ms-default-filters.php	6636	0644	edit dl rm
ms-deprecated.php	21759	0644	edit dl rm
ms-files.php	2857	0644	edit dl rm
ms-functions.php	91842	0644	edit dl rm
ms-load.php	19887	0644	edit dl rm
ms-network.php	3782	0644	edit dl rm
ms-settings.php	4204	0644	edit dl rm
ms-site.php	41717	0644	edit dl rm
nav-menu-template.php	25990	0644	edit dl rm
nav-menu.php	44347	0644	edit dl rm
option.php	105035	0644	edit dl rm
pluggable-deprecated.php	6324	0644	edit dl rm
pluggable.php	127457	0644	edit dl rm
plugin.php	36501	0644	edit dl rm
post-formats.php	7102	0644	edit dl rm
post-template.php	68648	0644	edit dl rm
post-thumbnail-template.php	10879	0644	edit dl rm
post.php	296072	0644	edit dl rm
query.php	37095	0644	edit dl rm
registration-functions.php	200	0644	edit dl rm
registration.php	200	0644	edit dl rm
rest-api.php	100984	0644	edit dl rm
revision.php	30741	0644	edit dl rm
rewrite.php	19490	0644	edit dl rm
robots-template.php	5185	0644	edit dl rm
rss-functions.php	255	0644	edit dl rm
rss.php	23203	0644	edit dl rm
script-loader.php	158344	0644	edit dl rm
script-modules.php	9911	0644	edit dl rm
session.php	258	0644	edit dl rm
shortcodes.php	24050	0644	edit dl rm
sitemaps.php	3238	0644	edit dl rm
speculative-loading.php	8600	0644	edit dl rm
spl-autoload-compat.php	441	0644	edit dl rm
style-engine.php	7563	0644	edit dl rm
taxonomy.php	177058	0644	edit dl rm
template-canvas.php	544	0644	edit dl rm
template-loader.php	4267	0644	edit dl rm
template.php	36834	0644	edit dl rm
theme-i18n.json	1730	0644	edit dl rm
theme-previews.php	2910	0644	edit dl rm
theme-templates.php	6238	0644	edit dl rm
theme.json	8921	0644	edit dl rm
theme.php	135008	0644	edit dl rm
update.php	38353	0644	edit dl rm
user.php	178710	0644	edit dl rm
utf8.php	7260	0644	edit dl rm
vars.php	6562	0644	edit dl rm
version.php	1106	0644	edit dl rm
widgets.php	71129	0644	edit dl rm
wp-db.php	445	0644	edit dl rm
wp-diff.php	799	0644	edit dl rm

Edit: /var/www/vhosts/ihelp.ro/ajutam.ro/wp-includes/class-wp-widget.php (18429B)

<?php
/**
 * Widget API: WP_Widget base class
 *
 * @package WordPress
 * @subpackage Widgets
 * @since 4.4.0
 */

/**
 * Core base class extended to register widgets.
 *
 * This class must be extended for each widget, and WP_Widget::widget() must be overridden.
 *
 * If adding widget options, WP_Widget::update() and WP_Widget::form() should also be overridden.
 *
 * @since 2.8.0
 * @since 4.4.0 Moved to its own file from wp-includes/widgets.php
 */
#[AllowDynamicProperties]
class WP_Widget {

/**
	 * Root ID for all widgets of this type.
	 *
	 * @since 2.8.0
	 * @var mixed|string
	 */
	public $id_base;

/**
	 * Name for this widget type.
	 *
	 * @since 2.8.0
	 * @var string
	 */
	public $name;

/**
	 * Option name for this widget type.
	 *
	 * @since 2.8.0
	 * @var string
	 */
	public $option_name;

/**
	 * Alt option name for this widget type.
	 *
	 * @since 2.8.0
	 * @var string
	 */
	public $alt_option_name;

/**
	 * Option array passed to wp_register_sidebar_widget().
	 *
	 * @since 2.8.0
	 * @var array
	 */
	public $widget_options;

/**
	 * Option array passed to wp_register_widget_control().
	 *
	 * @since 2.8.0
	 * @var array
	 */
	public $control_options;

/**
	 * Unique ID number of the current instance.
	 *
	 * @since 2.8.0
	 * @var bool|int
	 */
	public $number = false;

/**
	 * Unique ID string of the current instance (id_base-number).
	 *
	 * @since 2.8.0
	 * @var bool|string
	 */
	public $id = false;

/**
	 * Whether the widget data has been updated.
	 *
	 * Set to true when the data is updated after a POST submit - ensures it does
	 * not happen twice.
	 *
	 * @since 2.8.0
	 * @var bool
	 */
	public $updated = false;

//
	// Member functions that must be overridden by subclasses.
	//

/**
	 * Echoes the widget content.
	 *
	 * Subclasses should override this function to generate their widget code.
	 *
	 * @since 2.8.0
	 *
	 * @param array $args     Display arguments including 'before_title', 'after_title',
	 *                        'before_widget', and 'after_widget'.
	 * @param array $instance The settings for the particular instance of the widget.
	 */
	public function widget( $args, $instance ) {
		die( 'function WP_Widget::widget() must be overridden in a subclass.' );
	}

/**
	 * Updates a particular instance of a widget.
	 *
	 * This function should check that `$new_instance` is set correctly. The newly-calculated
	 * value of `$instance` should be returned. If false is returned, the instance won't be
	 * saved/updated.
	 *
	 * @since 2.8.0
	 *
	 * @param array $new_instance New settings for this instance as input by the user via
	 *                            WP_Widget::form().
	 * @param array $old_instance Old settings for this instance.
	 * @return array Settings to save or bool false to cancel saving.
	 */
	public function update( $new_instance, $old_instance ) {
		return $new_instance;
	}

/**
	 * Outputs the settings update form.
	 *
	 * @since 2.8.0
	 *
	 * @param array $instance The settings for the particular instance of the widget.
	 * @return string|void Default return is 'noform'.
	 */
	public function form( $instance ) {
		echo '<p class="no-options-widget">' . __( 'There are no options for this widget.' ) . '</p>';
		return 'noform';
	}

// Functions you'll need to call.

/**
	 * PHP5 constructor.
	 *
	 * @since 2.8.0
	 *
	 * @param string $id_base         Base ID for the widget, lowercase and unique. If left empty,
	 *                                a portion of the widget's PHP class name will be used. Has to be unique.
	 * @param string $name            Name for the widget displayed on the configuration page.
	 * @param array  $widget_options  Optional. Widget options. See wp_register_sidebar_widget() for
	 *                                information on accepted arguments. Default empty array.
	 * @param array  $control_options Optional. Widget control options. See wp_register_widget_control() for
	 *                                information on accepted arguments. Default empty array.
	 */
	public function __construct( $id_base, $name, $widget_options = array(), $control_options = array() ) {
		if ( ! empty( $id_base ) ) {
			$id_base = strtolower( $id_base );
		} else {
			$id_base = preg_replace( '/(wp_)?widget_/', '', strtolower( get_class( $this ) ) );
		}

$this->id_base         = $id_base;
		$this->name            = $name;
		$this->option_name     = 'widget_' . $this->id_base;
		$this->widget_options  = wp_parse_args(
			$widget_options,
			array(
				'classname'                   => str_replace( '\\', '_', $this->option_name ),
				'customize_selective_refresh' => false,
			)
		);
		$this->control_options = wp_parse_args( $control_options, array( 'id_base' => $this->id_base ) );
	}

/**
	 * PHP4 constructor.
	 *
	 * @since 2.8.0
	 * @deprecated 4.3.0 Use __construct() instead.
	 *
	 * @see WP_Widget::__construct()
	 *
	 * @param string $id_base         Base ID for the widget, lowercase and unique. If left empty,
	 *                                a portion of the widget's PHP class name will be used. Has to be unique.
	 * @param string $name            Name for the widget displayed on the configuration page.
	 * @param array  $widget_options  Optional. Widget options. See wp_register_sidebar_widget() for
	 *                                information on accepted arguments. Default empty array.
	 * @param array  $control_options Optional. Widget control options. See wp_register_widget_control() for
	 *                                information on accepted arguments. Default empty array.
	 */
	public function WP_Widget( $id_base, $name, $widget_options = array(), $control_options = array() ) {
		_deprecated_constructor( 'WP_Widget', '4.3.0', get_class( $this ) );
		WP_Widget::__construct( $id_base, $name, $widget_options, $control_options );
	}

/**
	 * Constructs name attributes for use in form() fields
	 *
	 * This function should be used in form() methods to create name attributes for fields
	 * to be saved by update()
	 *
	 * @since 2.8.0
	 * @since 4.4.0 Array format field names are now accepted.
	 *
	 * @param string $field_name Field name.
	 * @return string Name attribute for `$field_name`.
	 */
	public function get_field_name( $field_name ) {
		$pos = strpos( $field_name, '[' );

if ( false !== $pos ) {
			// Replace the first occurrence of '[' with ']['.
			$field_name = '[' . substr_replace( $field_name, '][', $pos, strlen( '[' ) );
		} else {
			$field_name = '[' . $field_name . ']';
		}

return 'widget-' . $this->id_base . '[' . $this->number . ']' . $field_name;
	}

/**
	 * Constructs id attributes for use in WP_Widget::form() fields.
	 *
	 * This function should be used in form() methods to create id attributes
	 * for fields to be saved by WP_Widget::update().
	 *
	 * @since 2.8.0
	 * @since 4.4.0 Array format field IDs are now accepted.
	 *
	 * @param string $field_name Field name.
	 * @return string ID attribute for `$field_name`.
	 */
	public function get_field_id( $field_name ) {
		$field_name = str_replace( array( '[]', '[', ']' ), array( '', '-', '' ), $field_name );
		$field_name = trim( $field_name, '-' );

return 'widget-' . $this->id_base . '-' . $this->number . '-' . $field_name;
	}

/**
	 * Register all widget instances of this widget class.
	 *
	 * @since 2.8.0
	 */
	public function _register() {
		$settings = $this->get_settings();
		$empty    = true;

// When $settings is an array-like object, get an intrinsic array for use with array_keys().
		if ( $settings instanceof ArrayObject || $settings instanceof ArrayIterator ) {
			$settings = $settings->getArrayCopy();
		}

if ( is_array( $settings ) ) {
			foreach ( array_keys( $settings ) as $number ) {
				if ( is_numeric( $number ) ) {
					$this->_set( $number );
					$this->_register_one( $number );
					$empty = false;
				}
			}
		}

if ( $empty ) {
			// If there are none, we register the widget's existence with a generic template.
			$this->_set( 1 );
			$this->_register_one();
		}
	}

/**
	 * Sets the internal order number for the widget instance.
	 *
	 * @since 2.8.0
	 *
	 * @param int $number The unique order number of this widget instance compared to other
	 *                    instances of the same class.
	 */
	public function _set( $number ) {
		$this->number = $number;
		$this->id     = $this->id_base . '-' . $number;
	}

/**
	 * Retrieves the widget display callback.
	 *
	 * @since 2.8.0
	 *
	 * @return callable Display callback.
	 */
	public function _get_display_callback() {
		return array( $this, 'display_callback' );
	}

/**
	 * Retrieves the widget update callback.
	 *
	 * @since 2.8.0
	 *
	 * @return callable Update callback.
	 */
	public function _get_update_callback() {
		return array( $this, 'update_callback' );
	}

/**
	 * Retrieves the form callback.
	 *
	 * @since 2.8.0
	 *
	 * @return callable Form callback.
	 */
	public function _get_form_callback() {
		return array( $this, 'form_callback' );
	}

/**
	 * Determines whether the current request is inside the Customizer preview.
	 *
	 * If true -- the current request is inside the Customizer preview, then
	 * the object cache gets suspended and widgets should check this to decide
	 * whether they should store anything persistently to the object cache,
	 * to transients, or anywhere else.
	 *
	 * @since 3.9.0
	 *
	 * @global WP_Customize_Manager $wp_customize
	 *
	 * @return bool True if within the Customizer preview, false if not.
	 */
	public function is_preview() {
		global $wp_customize;
		return ( isset( $wp_customize ) && $wp_customize->is_preview() );
	}

/**
	 * Generates the actual widget content (Do NOT override).
	 *
	 * Finds the instance and calls WP_Widget::widget().
	 *
	 * @since 2.8.0
	 *
	 * @param array     $args        Display arguments. See WP_Widget::widget() for information
	 *                               on accepted arguments.
	 * @param int|array $widget_args {
	 *     Optional. Internal order number of the widget instance, or array of multi-widget arguments.
	 *     Default 1.
	 *
	 *     @type int $number Number increment used for multiples of the same widget.
	 * }
	 */
	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->_set( $widget_args['number'] );
		$instances = $this->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->is_preview() && ! $was_cache_addition_suspended ) {
				wp_suspend_cache_addition( true );
			}

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

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

/**
	 * Handles changed settings (Do NOT override).
	 *
	 * @since 2.8.0
	 *
	 * @global array $wp_registered_widgets
	 *
	 * @param int $deprecated Not used.
	 */
	public function update_callback( $deprecated = 1 ) {
		global $wp_registered_widgets;

$all_instances = $this->get_settings();

// We need to update the data.
		if ( $this->updated ) {
			return;
		}

if ( isset( $_POST['delete_widget'] ) && $_POST['delete_widget'] ) {
			// Delete the settings for this instance of the widget.
			if ( isset( $_POST['the-widget-id'] ) ) {
				$del_id = $_POST['the-widget-id'];
			} else {
				return;
			}

if ( isset( $wp_registered_widgets[ $del_id ]['params'][0]['number'] ) ) {
				$number = $wp_registered_widgets[ $del_id ]['params'][0]['number'];

if ( $this->id_base . '-' . $number === $del_id ) {
					unset( $all_instances[ $number ] );
				}
			}
		} else {
			if ( isset( $_POST[ 'widget-' . $this->id_base ] ) && is_array( $_POST[ 'widget-' . $this->id_base ] ) ) {
				$settings = $_POST[ 'widget-' . $this->id_base ];
			} elseif ( isset( $_POST['id_base'] ) && $_POST['id_base'] === $this->id_base ) {
				$num      = $_POST['multi_number'] ? (int) $_POST['multi_number'] : (int) $_POST['widget_number'];
				$settings = array( $num => array() );
			} else {
				return;
			}

foreach ( $settings as $number => $new_instance ) {
				$new_instance = stripslashes_deep( $new_instance );
				$this->_set( $number );

$old_instance = isset( $all_instances[ $number ] ) ? $all_instances[ $number ] : array();

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

$instance = $this->update( $new_instance, $old_instance );

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

/**
				 * Filters a widget's settings before saving.
				 *
				 * Returning false will effectively short-circuit the widget's ability
				 * to update settings.
				 *
				 * @since 2.8.0
				 *
				 * @param array     $instance     The current widget instance's settings.
				 * @param array     $new_instance Array of new widget settings.
				 * @param array     $old_instance Array of old widget settings.
				 * @param WP_Widget $widget       The current widget instance.
				 */
				$instance = apply_filters( 'widget_update_callback', $instance, $new_instance, $old_instance, $this );

if ( false !== $instance ) {
					$all_instances[ $number ] = $instance;
				}

break; // Run only once.
			}
		}

$this->save_settings( $all_instances );
		$this->updated = true;
	}

/**
	 * Generates the widget control form (Do NOT override).
	 *
	 * @since 2.8.0
	 *
	 * @param int|array $widget_args {
	 *     Optional. Internal order number of the widget instance, or array of multi-widget arguments.
	 *     Default 1.
	 *
	 *     @type int $number Number increment used for multiples of the same widget.
	 * }
	 * @return string|null
	 */
	public function form_callback( $widget_args = 1 ) {
		if ( is_numeric( $widget_args ) ) {
			$widget_args = array( 'number' => $widget_args );
		}

$widget_args   = wp_parse_args( $widget_args, array( 'number' => -1 ) );
		$all_instances = $this->get_settings();

if ( -1 === $widget_args['number'] ) {
			// We echo out a form where 'number' can be set later.
			$this->_set( '__i__' );
			$instance = array();
		} else {
			$this->_set( $widget_args['number'] );
			$instance = $all_instances[ $widget_args['number'] ];
		}

/**
		 * Filters the widget instance's settings before displaying the control form.
		 *
		 * Returning false effectively short-circuits display of the control form.
		 *
		 * @since 2.8.0
		 *
		 * @param array     $instance The current widget instance's settings.
		 * @param WP_Widget $widget   The current widget instance.
		 */
		$instance = apply_filters( 'widget_form_callback', $instance, $this );

$return = null;

if ( false !== $instance ) {
			$return = $this->form( $instance );

/**
			 * Fires at the end of the widget control form.
			 *
			 * Use this hook to add extra fields to the widget form. The hook
			 * is only fired if the value passed to the 'widget_form_callback'
			 * hook is not false.
			 *
			 * Note: If the widget has no form, the text echoed from the default
			 * form method can be hidden using CSS.
			 *
			 * @since 2.8.0
			 *
			 * @param WP_Widget $widget   The widget instance (passed by reference).
			 * @param null      $return   Return null if new fields are added.
			 * @param array     $instance An array of the widget's settings.
			 */
			do_action_ref_array( 'in_widget_form', array( &$this, &$return, $instance ) );
		}

return $return;
	}

/**
	 * Registers an instance of the widget class.
	 *
	 * @since 2.8.0
	 *
	 * @param int $number Optional. The unique order number of this widget instance
	 *                    compared to other instances of the same class. Default -1.
	 */
	public function _register_one( $number = -1 ) {
		wp_register_sidebar_widget(
			$this->id,
			$this->name,
			$this->_get_display_callback(),
			$this->widget_options,
			array( 'number' => $number )
		);

_register_widget_update_callback(
			$this->id_base,
			$this->_get_update_callback(),
			$this->control_options,
			array( 'number' => -1 )
		);

_register_widget_form_callback(
			$this->id,
			$this->name,
			$this->_get_form_callback(),
			$this->control_options,
			array( 'number' => $number )
		);
	}

/**
	 * Saves the settings for all instances of the widget class.
	 *
	 * @since 2.8.0
	 *
	 * @param array $settings Multi-dimensional array of widget instance settings.
	 */
	public function save_settings( $settings ) {
		$settings['_multiwidget'] = 1;
		update_option( $this->option_name, $settings );
	}

/**
	 * Retrieves the settings for all instances of the widget class.
	 *
	 * @since 2.8.0
	 *
	 * @return array Multi-dimensional array of widget instance settings.
	 */
	public function get_settings() {

$settings = get_option( $this->option_name );

if ( false === $settings ) {
			$settings = array();
			if ( isset( $this->alt_option_name ) ) {
				// Get settings from alternative (legacy) option.
				$settings = get_option( $this->alt_option_name, array() );

// Delete the alternative (legacy) option as the new option will be created using `$this->option_name`.
				delete_option( $this->alt_option_name );
			}
			// Save an option so it can be autoloaded next time.
			$this->save_settings( $settings );
		}

if ( ! is_array( $settings ) && ! ( $settings instanceof ArrayObject || $settings instanceof ArrayIterator ) ) {
			$settings = array();
		}

if ( ! empty( $settings ) && ! isset( $settings['_multiwidget'] ) ) {
			// Old format, convert if single widget.
			$settings = wp_convert_widget_settings( $this->id_base, $this->option_name, $settings );
		}

unset( $settings['_multiwidget'], $settings['__i__'] );

return $settings;
	}
}

cmd: