芝麻web文件管理V1.00

编辑当前文件:/home2/sdektunc/cepali.edu.mx/wp-includes/Requests/widgets.php

<?php
/**
 * Core Widgets API
 *
 * This API is used for creating dynamic sidebar without hardcoding functionality into
 * themes
 *
 * Includes both internal WordPress routines and theme-use routines.
 *
 * This functionality was found in a plugin before the WordPress 2.2 release, which
 * included it in the core from that point on.
 *
 * @link https://wordpress.org/documentation/article/manage-wordpress-widgets/
 * @link https://developer.wordpress.org/themes/functionality/widgets/
 *
 * @package WordPress
 * @subpackage Widgets
 * @since 2.2.0
 */

//
// Global Variables.
//

/** @ignore */
global $wp_registered_sidebars, $wp_registered_widgets, $wp_registered_widget_controls, $wp_registered_widget_updates;

/**
 * Stores the sidebars, since many themes can have more than one.
 *
 * @global array $wp_registered_sidebars The registered sidebars.
 * @since 2.2.0
 */
$wp_registered_sidebars = array();

/**
 * Stores the registered widgets.
 *
 * @global array $wp_registered_widgets The registered widgets.
 * @since 2.2.0
 */
$wp_registered_widgets = array();

/**
 * Stores the registered widget controls (options).
 *
 * @global array $wp_registered_widget_controls The registered widget controls.
 * @since 2.2.0
 */
$wp_registered_widget_controls = array();
/**
 * @global array $wp_registered_widget_updates The registered widget updates.
 */
$wp_registered_widget_updates = array();

/**
 * Private
 *
 * @global array $_wp_sidebars_widgets
 */
$_wp_sidebars_widgets = array();

/**
 * Private
 *
 * @global array $_wp_deprecated_widgets_callbacks
 */
$GLOBALS['_wp_deprecated_widgets_callbacks'] = array(
	'wp_widget_pages',
	'wp_widget_pages_control',
	'wp_widget_calendar',
	'wp_widget_calendar_control',
	'wp_widget_archives',
	'wp_widget_archives_control',
	'wp_widget_links',
	'wp_widget_meta',
	'wp_widget_meta_control',
	'wp_widget_search',
	'wp_widget_recent_entries',
	'wp_widget_recent_entries_control',
	'wp_widget_tag_cloud',
	'wp_widget_tag_cloud_control',
	'wp_widget_categories',
	'wp_widget_categories_control',
	'wp_widget_text',
	'wp_widget_text_control',
	'wp_widget_rss',
	'wp_widget_rss_control',
	'wp_widget_recent_comments',
	'wp_widget_recent_comments_control',
);

//
// Template tags & API functions.
//

/**
 * Register a widget
 *
 * Registers a WP_Widget widget
 *
 * @since 2.8.0
 * @since 4.6.0 Updated the `$widget` parameter to also accept a WP_Widget instance object
 *              instead of simply a `WP_Widget` subclass name.
 *
 * @see WP_Widget
 *
 * @global WP_Widget_Factory $wp_widget_factory
 *
 * @param string|WP_Widget $widget Either the name of a `WP_Widget` subclass or an instance of a `WP_Widget` subclass.
 */
function register_widget( $widget ) {
	global $wp_widget_factory;

$wp_widget_factory->register( $widget );
}

/**
 * Unregisters a widget.
 *
 * Unregisters a WP_Widget widget. Useful for un-registering default widgets.
 * Run within a function hooked to the {@see 'widgets_init'} action.
 *
 * @since 2.8.0
 * @since 4.6.0 Updated the `$widget` parameter to also accept a WP_Widget instance object
 *              instead of simply a `WP_Widget` subclass name.
 *
 * @see WP_Widget
 *
 * @global WP_Widget_Factory $wp_widget_factory
 *
 * @param string|WP_Widget $widget Either the name of a `WP_Widget` subclass or an instance of a `WP_Widget` subclass.
 */
function unregister_widget( $widget ) {
	global $wp_widget_factory;

$wp_widget_factory->unregister( $widget );
}

/**
 * Creates multiple sidebars.
 *
 * If you wanted to quickly create multiple sidebars for a theme or internally.
 * This function will allow you to do so. If you don't pass the 'name' and/or
 * 'id' in `$args`, then they will be built for you.
 *
 * @since 2.2.0
 *
 * @see register_sidebar() The second parameter is documented by register_sidebar() and is the same here.
 *
 * @global array $wp_registered_sidebars The new sidebars are stored in this array by sidebar ID.
 *
 * @param int          $number Optional. Number of sidebars to create. Default 1.
 * @param array|string $args {
 *     Optional. Array or string of arguments for building a sidebar.
 *
 *     @type string $id   The base string of the unique identifier for each sidebar. If provided, and multiple
 *                        sidebars are being defined, the ID will have "-2" appended, and so on.
 *                        Default 'sidebar-' followed by the number the sidebar creation is currently at.
 *     @type string $name The name or title for the sidebars displayed in the admin dashboard. If registering
 *                        more than one sidebar, include '%d' in the string as a placeholder for the uniquely
 *                        assigned number for each sidebar.
 *                        Default 'Sidebar' for the first sidebar, otherwise 'Sidebar %d'.
 * }
 */
function register_sidebars( $number = 1, $args = array() ) {
	global $wp_registered_sidebars;
	$number = (int) $number;

if ( is_string( $args ) ) {
		parse_str( $args, $args );
	}

for ( $i = 1; $i <= $number; $i++ ) {
		$_args = $args;

if ( $number > 1 ) {
			if ( isset( $args['name'] ) ) {
				$_args['name'] = sprintf( $args['name'], $i );
			} else {
				/* translators: %d: Sidebar number. */
				$_args['name'] = sprintf( __( 'Sidebar %d' ), $i );
			}
		} else {
			$_args['name'] = isset( $args['name'] ) ? $args['name'] : __( 'Sidebar' );
		}

/*
		 * Custom specified ID's are suffixed if they exist already.
		 * Automatically generated sidebar names need to be suffixed regardless starting at -0.
		 */
		if ( isset( $args['id'] ) ) {
			$_args['id'] = $args['id'];
			$n           = 2; // Start at -2 for conflicting custom IDs.
			while ( is_registered_sidebar( $_args['id'] ) ) {
				$_args['id'] = $args['id'] . '-' . $n++;
			}
		} else {
			$n = count( $wp_registered_sidebars );
			do {
				$_args['id'] = 'sidebar-' . ++$n;
			} while ( is_registered_sidebar( $_args['id'] ) );
		}
		register_sidebar( $_args );
	}
}

/**
 * Builds the definition for a single sidebar and returns the ID.
 *
 * Accepts either a string or an array and then parses that against a set
 * of default arguments for the new sidebar. WordPress will automatically
 * generate a sidebar ID and name based on the current number of registered
 * sidebars if those arguments are not included.
 *
 * When allowing for automatic generation of the name and ID parameters, keep
 * in mind that the incrementor for your sidebar can change over time depending
 * on what other plugins and themes are installed.
 *
 * If theme support for 'widgets' has not yet been added when this function is
 * called, it will be automatically enabled through the use of add_theme_support()
 *
 * @since 2.2.0
 * @since 5.6.0 Added the `before_sidebar` and `after_sidebar` arguments.
 * @since 5.9.0 Added the `show_in_rest` argument.
 *
 * @global array $wp_registered_sidebars The registered sidebars.
 *
 * @param array|string $args {
 *     Optional. Array or string of arguments for the sidebar being registered.
 *
 *     @type string $name           The name or title of the sidebar displayed in the Widgets
 *                                  interface. Default 'Sidebar $instance'.
 *     @type string $id             The unique identifier by which the sidebar will be called.
 *                                  Default 'sidebar-$instance'.
 *     @type string $description    Description of the sidebar, displayed in the Widgets interface.
 *                                  Default empty string.
 *     @type string $class          Extra CSS class to assign to the sidebar in the Widgets interface.
 *                                  Default empty.
 *     @type string $before_widget  HTML content to prepend to each widget's HTML output when assigned
 *                                  to this sidebar. Receives the widget's ID attribute as `%1$s`
 *                                  and class name as `%2$s`. Default is an opening list item element.
 *     @type string $after_widget   HTML content to append to each widget's HTML output when assigned
 *                                  to this sidebar. Default is a closing list item element.
 *     @type string $before_title   HTML content to prepend to the sidebar title when displayed.
 *                                  Default is an opening h2 element.
 *     @type string $after_title    HTML content to append to the sidebar title when displayed.
 *                                  Default is a closing h2 element.
 *     @type string $before_sidebar HTML content to prepend to the sidebar when displayed.
 *                                  Receives the `$id` argument as `%1$s` and `$class` as `%2$s`.
 *                                  Outputs after the {@see 'dynamic_sidebar_before'} action.
 *                                  Default empty string.
 *     @type string $after_sidebar  HTML content to append to the sidebar when displayed.
 *                                  Outputs before the {@see 'dynamic_sidebar_after'} action.
 *                                  Default empty string.
 *     @type bool $show_in_rest     Whether to show this sidebar publicly in the REST API.
 *                                  Defaults to only showing the sidebar to administrator users.
 * }
 * @return string Sidebar ID added to $wp_registered_sidebars global.
 */
function register_sidebar( $args = array() ) {
	global $wp_registered_sidebars;

$i = count( $wp_registered_sidebars ) + 1;

$id_is_empty = empty( $args['id'] );

$defaults = array(
		/* translators: %d: Sidebar number. */
		'name'           => sprintf( __( 'Sidebar %d' ), $i ),
		'id'             => "sidebar-$i",
		'description'    => '',
		'class'          => '',
		'before_widget'  => '<li id="%1$s" class="widget %2$s">',
		'after_widget'   => "</li>\n",
		'before_title'   => '<h2 class="widgettitle">',
		'after_title'    => "</h2>\n",
		'before_sidebar' => '',
		'after_sidebar'  => '',
		'show_in_rest'   => false,
	);

/**
	 * Filters the sidebar default arguments.
	 *
	 * @since 5.3.0
	 *
	 * @see register_sidebar()
	 *
	 * @param array $defaults The default sidebar arguments.
	 */
	$sidebar = wp_parse_args( $args, apply_filters( 'register_sidebar_defaults', $defaults ) );

if ( $id_is_empty ) {
		_doing_it_wrong(
			__FUNCTION__,
			sprintf(
				/* translators: 1: The 'id' argument, 2: Sidebar name, 3: Recommended 'id' value. */
				__( 'No %1$s was set in the arguments array for the "%2$s" sidebar. Defaulting to "%3$s". Manually set the %1$s to "%3$s" to silence this notice and keep existing sidebar content.' ),
				'<code>id</code>',
				$sidebar['name'],
				$sidebar['id']
			),
			'4.2.0'
		);
	}

$wp_registered_sidebars[ $sidebar['id'] ] = $sidebar;

add_theme_support( 'widgets' );

/**
	 * Fires once a sidebar has been registered.
	 *
	 * @since 3.0.0
	 *
	 * @param array $sidebar Parsed arguments for the registered sidebar.
	 */
	do_action( 'register_sidebar', $sidebar );

return $sidebar['id'];
}

/**
 * Removes a sidebar from the list.
 *
 * @since 2.2.0
 *
 * @global array $wp_registered_sidebars The registered sidebars.
 *
 * @param string|int $sidebar_id The ID of the sidebar when it was registered.
 */
function unregister_sidebar( $sidebar_id ) {
	global $wp_registered_sidebars;

unset( $wp_registered_sidebars[ $sidebar_id ] );
}

/**
 * Checks if a sidebar is registered.
 *
 * @since 4.4.0
 *
 * @global array $wp_registered_sidebars The registered sidebars.
 *
 * @param string|int $sidebar_id The ID of the sidebar when it was registered.
 * @return bool True if the sidebar is registered, false otherwise.
 */
function is_registered_sidebar( $sidebar_id ) {
	global $wp_registered_sidebars;

return isset( $wp_registered_sidebars[ $sidebar_id ] );
}

/**
 * Register an instance of a widget.
 *
 * The default widget option is 'classname' that can be overridden.
 *
 * The function can also be used to un-register widgets when `$output_callback`
 * parameter is an empty string.
 *
 * @since 2.2.0
 * @since 5.3.0 Formalized the existing and already documented `...$params` parameter
 *              by adding it to the function signature.
 * @since 5.8.0 Added show_instance_in_rest option.
 *
 * @global array $wp_registered_widgets            Uses stored registered widgets.
 * @global array $wp_registered_widget_controls    Stores the registered widget controls (options).
 * @global array $wp_registered_widget_updates     The registered widget updates.
 * @global array $_wp_deprecated_widgets_callbacks
 *
 * @param int|string $id              Widget ID.
 * @param string     $name            Widget display title.
 * @param callable   $output_callback Run when widget is called.
 * @param array      $options {
 *     Optional. An array of supplementary widget options for the instance.
 *
 *     @type string $classname             Class name for the widget's HTML container. Default is a shortened
 *                                         version of the output callback name.
 *     @type string $description           Widget description for display in the widget administration
 *                                         panel and/or theme.
 *     @type bool   $show_instance_in_rest Whether to show the widget's instance settings in the REST API.
 *                                         Only available for WP_Widget based widgets.
 * }
 * @param mixed      ...$params       Optional additional parameters to pass to the callback function when it's called.
 */
function wp_register_sidebar_widget( $id, $name, $output_callback, $options = array(), ...$params ) {
	global $wp_registered_widgets, $wp_registered_widget_controls, $wp_registered_widget_updates, $_wp_deprecated_widgets_callbacks;

$id = strtolower( $id );

if ( empty( $output_callback ) ) {
		unset( $wp_registered_widgets[ $id ] );
		return;
	}

$id_base = _get_widget_id_base( $id );
	if ( in_array( $output_callback, $_wp_deprecated_widgets_callbacks, true ) && ! is_callable( $output_callback ) ) {
		unset( $wp_registered_widget_controls[ $id ] );
		unset( $wp_registered_widget_updates[ $id_base ] );
		return;
	}

$defaults = array( 'classname' => $output_callback );
	$options  = wp_parse_args( $options, $defaults );
	$widget   = array(
		'name'     => $name,
		'id'       => $id,
		'callback' => $output_callback,
		'params'   => $params,
	);
	$widget   = array_merge( $widget, $options );

if ( is_callable( $output_callback ) && ( ! isset( $wp_registered_widgets[ $id ] ) || did_action( 'widgets_init' ) ) ) {

/**
		 * Fires once for each registered widget.
		 *
		 * @since 3.0.0
		 *
		 * @param array $widget An array of default widget arguments.
		 */
		do_action( 'wp_register_sidebar_widget', $widget );
		$wp_registered_widgets[ $id ] = $widget;
	}
}

/**
 * Retrieve description for widget.
 *
 * When registering widgets, the options can also include 'description' that
 * describes the widget for display on the widget administration panel or
 * in the theme.
 *
 * @since 2.5.0
 *
 * @global array $wp_registered_widgets The registered widgets.
 *
 * @param int|string $id Widget ID.
 * @return string|void Widget description, if available.
 */
function wp_widget_description( $id ) {
	if ( ! is_scalar( $id ) ) {
		return;
	}

global $wp_registered_widgets;

if ( isset( $wp_registered_widgets[ $id ]['description'] ) ) {
		return esc_html( $wp_registered_widgets[ $id ]['description'] );
	}
}

/**
 * Retrieve description for a sidebar.
 *
 * When registering sidebars a 'description' parameter can be included that
 * describes the sidebar for display on the widget administration panel.
 *
 * @since 2.9.0
 *
 * @global array $wp_registered_sidebars The registered sidebars.
 *
 * @param string $id sidebar ID.
 * @return string|void Sidebar description, if available.
 */
function wp_sidebar_description( $id ) {
	if ( ! is_scalar( $id ) ) {
		return;
	}

global $wp_registered_sidebars;

if ( isset( $wp_registered_sidebars[ $id ]['description'] ) ) {
		return wp_kses( $wp_registered_sidebars[ $id ]['description'], 'sidebar_description' );
	}
}

/**
 * Remove widget from sidebar.
 *
 * @since 2.2.0
 *
 * @param int|string $id Widget ID.
 */
function wp_unregister_sidebar_widget( $id ) {

/**
	 * Fires just before a widget is removed from a sidebar.
	 *
	 * @since 3.0.0
	 *
	 * @param int|string $id The widget ID.
	 */
	do_action( 'wp_unregister_sidebar_widget', $id );

wp_register_sidebar_widget( $id, '', '' );
	wp_unregister_widget_control( $id );
}

/**
 * Registers widget control callback for customizing options.
 *
 * @since 2.2.0
 * @since 5.3.0 Formalized the existing and already documented `...$params` parameter
 *              by adding it to the function signature.
 *
 * @global array $wp_registered_widget_controls The registered widget controls.
 * @global array $wp_registered_widget_updates  The registered widget updates.
 * @global array $wp_registered_widgets         The registered widgets.
 * @global array $_wp_deprecated_widgets_callbacks
 *
 * @param int|string $id               Sidebar ID.
 * @param string     $name             Sidebar display name.
 * @param callable   $control_callback Run when sidebar is displayed.
 * @param array      $options {
 *     Optional. Array or string of control options. Default empty array.
 *
 *     @type int        $height  Never used. Default 200.
 *     @type int        $width   Width of the fully expanded control form (but try hard to use the default width).
 *                               Default 250.
 *     @type int|string $id_base Required for multi-widgets, i.e widgets that allow multiple instances such as the
 *                               text widget. The widget ID will end up looking like `{$id_base}-{$unique_number}`.
 * }
 * @param mixed      ...$params        Optional additional parameters to pass to the callback function when it's called.
 */
function wp_register_widget_control( $id, $name, $control_callback, $options = array(), ...$params ) {
	global $wp_registered_widget_controls, $wp_registered_widget_updates, $wp_registered_widgets, $_wp_deprecated_widgets_callbacks;

$id      = strtolower( $id );
	$id_base = _get_widget_id_base( $id );

if ( empty( $control_callback ) ) {
		unset( $wp_registered_widget_controls[ $id ] );
		unset( $wp_registered_widget_updates[ $id_base ] );
		return;
	}

if ( in_array( $control_callback, $_wp_deprecated_widgets_callbacks, true ) && ! is_callable( $control_callback ) ) {
		unset( $wp_registered_widgets[ $id ] );
		return;
	}

if ( isset( $wp_registered_widget_controls[ $id ] ) && ! did_action( 'widgets_init' ) ) {
		return;
	}

$defaults          = array(
		'width'  => 250,
		'height' => 200,
	); // Height is never used.
	$options           = wp_parse_args( $options, $defaults );
	$options['width']  = (int) $options['width'];
	$options['height'] = (int) $options['height'];

$widget = array(
		'name'     => $name,
		'id'       => $id,
		'callback' => $control_callback,
		'params'   => $params,
	);
	$widget = array_merge( $widget, $options );

$wp_registered_widget_controls[ $id ] = $widget;

if ( isset( $wp_registered_widget_updates[ $id_base ] ) ) {
		return;
	}

if ( isset( $widget['params'][0]['number'] ) ) {
		$widget['params'][0]['number'] = -1;
	}

unset( $widget['width'], $widget['height'], $widget['name'], $widget['id'] );
	$wp_registered_widget_updates[ $id_base ] = $widget;
}

/**
 * Registers the update callback for a widget.
 *
 * @since 2.8.0
 * @since 5.3.0 Formalized the existing and already documented `...$params` parameter
 *              by adding it to the function signature.
 *
 * @global array $wp_registered_widget_updates The registered widget updates.
 *
 * @param string   $id_base         The base ID of a widget created by extending WP_Widget.
 * @param callable $update_callback Update callback method for the widget.
 * @param array    $options         Optional. Widget control options. See wp_register_widget_control().
 *                                  Default empty array.
 * @param mixed    ...$params       Optional additional parameters to pass to the callback function when it's called.
 */
function _register_widget_update_callback( $id_base, $update_callback, $options = array(), ...$params ) {
	global $wp_registered_widget_updates;

if ( isset( $wp_registered_widget_updates[ $id_base ] ) ) {
		if ( empty( $update_callback ) ) {
			unset( $wp_registered_widget_updates[ $id_base ] );
		}
		return;
	}

$widget = a