/
class-wp-customize-manager.php
1609 lines (1407 loc) · 42.9 KB
/
class-wp-customize-manager.php
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<?php
/**
* WordPress Customize Manager classes
*
* @package WordPress
* @subpackage Customize
* @since 3.4.0
*/
/**
* Customize Manager class.
*
* Bootstraps the Customize experience on the server-side.
*
* Sets up the theme-switching process if a theme other than the active one is
* being previewed and customized.
*
* Serves as a factory for Customize Controls and Settings, and
* instantiates default Customize Controls and Settings.
*
* @since 3.4.0
*/
final class WP_Customize_Manager {
/**
* An instance of the theme being previewed.
*
* @var WP_Theme
*/
protected $theme;
/**
* The directory name of the previously active theme (within the theme_root).
*
* @var string
*/
protected $original_stylesheet;
/**
* Whether this is a Customizer pageload.
*
* @var boolean
*/
protected $previewing = false;
/**
* Methods and properties deailing with managing widgets in the Customizer.
*
* @var WP_Customize_Widgets
*/
public $widgets;
protected $settings = array();
protected $containers = array();
protected $panels = array();
protected $sections = array();
protected $controls = array();
protected $nonce_tick;
protected $customized;
/**
* Controls that may be rendered from JS templates.
*
* @since 4.1.0
* @access protected
* @var array
*/
protected $registered_control_types = array();
/**
* Unsanitized values for Customize Settings parsed from $_POST['customized'].
*
* @var array
*/
private $_post_values;
/**
* Constructor.
*
* @since 3.4.0
*/
public function __construct() {
require_once( ABSPATH . WPINC . '/class-wp-customize-setting.php' );
require_once( ABSPATH . WPINC . '/class-wp-customize-panel.php' );
require_once( ABSPATH . WPINC . '/class-wp-customize-section.php' );
require_once( ABSPATH . WPINC . '/class-wp-customize-control.php' );
require_once( ABSPATH . WPINC . '/class-wp-customize-widgets.php' );
$this->widgets = new WP_Customize_Widgets( $this );
add_filter( 'wp_die_handler', array( $this, 'wp_die_handler' ) );
add_action( 'setup_theme', array( $this, 'setup_theme' ) );
add_action( 'wp_loaded', array( $this, 'wp_loaded' ) );
// Run wp_redirect_status late to make sure we override the status last.
add_action( 'wp_redirect_status', array( $this, 'wp_redirect_status' ), 1000 );
// Do not spawn cron (especially the alternate cron) while running the Customizer.
remove_action( 'init', 'wp_cron' );
// Do not run update checks when rendering the controls.
remove_action( 'admin_init', '_maybe_update_core' );
remove_action( 'admin_init', '_maybe_update_plugins' );
remove_action( 'admin_init', '_maybe_update_themes' );
add_action( 'wp_ajax_customize_save', array( $this, 'save' ) );
add_action( 'wp_ajax_customize_refresh_nonces', array( $this, 'refresh_nonces' ) );
add_action( 'customize_register', array( $this, 'register_controls' ) );
add_action( 'customize_register', array( $this, 'register_dynamic_settings' ), 11 ); // allow code to create settings first
add_action( 'customize_controls_init', array( $this, 'prepare_controls' ) );
add_action( 'customize_controls_enqueue_scripts', array( $this, 'enqueue_control_scripts' ) );
}
/**
* Return true if it's an AJAX request.
*
* @since 3.4.0
* @since 4.2.0 Added `$action` param.
* @access public
*
* @param string|null $action Whether the supplied AJAX action is being run.
* @return bool True if it's an AJAX request, false otherwise.
*/
public function doing_ajax( $action = null ) {
$doing_ajax = ( defined( 'DOING_AJAX' ) && DOING_AJAX );
if ( ! $doing_ajax ) {
return false;
}
if ( ! $action ) {
return true;
} else {
/*
* Note: we can't just use doing_action( "wp_ajax_{$action}" ) because we need
* to check before admin-ajax.php gets to that point.
*/
return isset( $_REQUEST['action'] ) && wp_unslash( $_REQUEST['action'] ) === $action;
}
}
/**
* Custom wp_die wrapper. Returns either the standard message for UI
* or the AJAX message.
*
* @since 3.4.0
*
* @param mixed $ajax_message AJAX return
* @param mixed $message UI message
*/
protected function wp_die( $ajax_message, $message = null ) {
if ( $this->doing_ajax() || isset( $_POST['customized'] ) ) {
wp_die( $ajax_message );
}
if ( ! $message ) {
$message = __( 'Cheatin’ uh?' );
}
wp_die( $message );
}
/**
* Return the AJAX wp_die() handler if it's a customized request.
*
* @since 3.4.0
*
* @return string
*/
public function wp_die_handler() {
if ( $this->doing_ajax() || isset( $_POST['customized'] ) ) {
return '_ajax_wp_die_handler';
}
return '_default_wp_die_handler';
}
/**
* Start preview and customize theme.
*
* Check if customize query variable exist. Init filters to filter the current theme.
*
* @since 3.4.0
*/
public function setup_theme() {
send_origin_headers();
$doing_ajax_or_is_customized = ( $this->doing_ajax() || isset( $_POST['customized'] ) );
if ( is_admin() && ! $doing_ajax_or_is_customized ) {
auth_redirect();
} elseif ( $doing_ajax_or_is_customized && ! is_user_logged_in() ) {
$this->wp_die( 0 );
}
show_admin_bar( false );
/*
* Clear incoming post data if the user lacks a CSRF token (nonce). Note that the customizer
* application will inject the customize_preview_nonce query parameter into all Ajax requests.
* For similar behavior elsewhere in WordPress, see rest_cookie_check_errors() which logs out
* a user when a valid nonce isn't present.
*/
$has_post_data_nonce = (
check_ajax_referer( 'preview-customize_' . $this->get_stylesheet(), 'nonce', false )
||
check_ajax_referer( 'save-customize_' . $this->get_stylesheet(), 'nonce', false )
||
check_ajax_referer( 'preview-customize_' . $this->get_stylesheet(), 'customize_preview_nonce', false )
);
if ( ! $has_post_data_nonce ) {
unset( $_POST['customized'] );
unset( $_REQUEST['customized'] );
}
if ( ! current_user_can( 'customize' ) ) {
$this->wp_die( -1 );
}
$this->original_stylesheet = get_stylesheet();
$this->theme = wp_get_theme( isset( $_REQUEST['theme'] ) ? $_REQUEST['theme'] : null );
if ( $this->is_theme_active() ) {
// Once the theme is loaded, we'll validate it.
add_action( 'after_setup_theme', array( $this, 'after_setup_theme' ) );
} else {
// If the requested theme is not the active theme and the user doesn't have the
// switch_themes cap, bail.
if ( ! current_user_can( 'switch_themes' ) ) {
$this->wp_die( -1 );
}
// If the theme has errors while loading, bail.
if ( $this->theme()->errors() ) {
$this->wp_die( -1 );
}
// If the theme isn't allowed per multisite settings, bail.
if ( ! $this->theme()->is_allowed() ) {
$this->wp_die( -1 );
}
}
$this->start_previewing_theme();
}
/**
* Callback to validate a theme once it is loaded
*
* @since 3.4.0
*/
public function after_setup_theme() {
$doing_ajax_or_is_customized = ( $this->doing_ajax() || isset( $_SERVER['customized'] ) );
if ( ! $doing_ajax_or_is_customized && ! validate_current_theme() ) {
wp_redirect( 'themes.php?broken=true' );
exit;
}
}
/**
* If the theme to be previewed isn't the active theme, add filter callbacks
* to swap it out at runtime.
*
* @since 3.4.0
*/
public function start_previewing_theme() {
// Bail if we're already previewing.
if ( $this->is_preview() ) {
return;
}
$this->previewing = true;
if ( ! $this->is_theme_active() ) {
add_filter( 'template', array( $this, 'get_template' ) );
add_filter( 'stylesheet', array( $this, 'get_stylesheet' ) );
add_filter( 'pre_option_current_theme', array( $this, 'current_theme' ) );
// @link: https://core.trac.wordpress.org/ticket/20027
add_filter( 'pre_option_stylesheet', array( $this, 'get_stylesheet' ) );
add_filter( 'pre_option_template', array( $this, 'get_template' ) );
// Handle custom theme roots.
add_filter( 'pre_option_stylesheet_root', array( $this, 'get_stylesheet_root' ) );
add_filter( 'pre_option_template_root', array( $this, 'get_template_root' ) );
}
/**
* Fires once the Customizer theme preview has started.
*
* @since 3.4.0
*
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
do_action( 'start_previewing_theme', $this );
}
/**
* Stop previewing the selected theme.
*
* Removes filters to change the current theme.
*
* @since 3.4.0
*/
public function stop_previewing_theme() {
if ( ! $this->is_preview() ) {
return;
}
$this->previewing = false;
if ( ! $this->is_theme_active() ) {
remove_filter( 'template', array( $this, 'get_template' ) );
remove_filter( 'stylesheet', array( $this, 'get_stylesheet' ) );
remove_filter( 'pre_option_current_theme', array( $this, 'current_theme' ) );
// @link: https://core.trac.wordpress.org/ticket/20027
remove_filter( 'pre_option_stylesheet', array( $this, 'get_stylesheet' ) );
remove_filter( 'pre_option_template', array( $this, 'get_template' ) );
// Handle custom theme roots.
remove_filter( 'pre_option_stylesheet_root', array( $this, 'get_stylesheet_root' ) );
remove_filter( 'pre_option_template_root', array( $this, 'get_template_root' ) );
}
/**
* Fires once the Customizer theme preview has stopped.
*
* @since 3.4.0
*
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
do_action( 'stop_previewing_theme', $this );
}
/**
* Get the theme being customized.
*
* @since 3.4.0
*
* @return WP_Theme
*/
public function theme() {
if ( ! $this->theme ) {
$this->theme = wp_get_theme();
}
return $this->theme;
}
/**
* Get the registered settings.
*
* @since 3.4.0
*
* @return array
*/
public function settings() {
return $this->settings;
}
/**
* Get the registered controls.
*
* @since 3.4.0
*
* @return array
*/
public function controls() {
return $this->controls;
}
/**
* Get the registered containers.
*
* @since 4.0.0
*
* @return array
*/
public function containers() {
return $this->containers;
}
/**
* Get the registered sections.
*
* @since 3.4.0
*
* @return array
*/
public function sections() {
return $this->sections;
}
/**
* Get the registered panels.
*
* @since 4.0.0
* @access public
*
* @return array Panels.
*/
public function panels() {
return $this->panels;
}
/**
* Checks if the current theme is active.
*
* @since 3.4.0
*
* @return bool
*/
public function is_theme_active() {
return $this->get_stylesheet() == $this->original_stylesheet;
}
/**
* Register styles/scripts and initialize the preview of each setting
*
* @since 3.4.0
*/
public function wp_loaded() {
/**
* Fires once WordPress has loaded, allowing scripts and styles to be initialized.
*
* @since 3.4.0
*
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
do_action( 'customize_register', $this );
if ( $this->is_preview() && ! is_admin() )
$this->customize_preview_init();
}
/**
* Prevents AJAX requests from following redirects when previewing a theme
* by issuing a 200 response instead of a 30x.
*
* Instead, the JS will sniff out the location header.
*
* @since 3.4.0
*
* @param $status
* @return int
*/
public function wp_redirect_status( $status ) {
if ( $this->is_preview() && ! is_admin() )
return 200;
return $status;
}
/**
* Parse the incoming $_POST['customized'] JSON data and store the unsanitized
* settings for subsequent post_value() lookups.
*
* @since 4.1.1
*
* @return array
*/
public function unsanitized_post_values() {
if ( ! isset( $this->_post_values ) ) {
if ( isset( $_POST['customized'] ) ) {
$this->_post_values = json_decode( wp_unslash( $_POST['customized'] ), true );
}
if ( empty( $this->_post_values ) ) { // if not isset or if JSON error
$this->_post_values = array();
}
}
if ( empty( $this->_post_values ) ) {
return array();
} else {
return $this->_post_values;
}
}
/**
* Return the sanitized value for a given setting from the request's POST data.
*
* @since 3.4.0
* @since 4.1.1 Introduced 'default' parameter.
*
* @param WP_Customize_Setting $setting A WP_Customize_Setting derived object
* @param mixed $default value returned $setting has no post value (added in 4.2.0).
* @return string|mixed $post_value Sanitized value or the $default provided
*/
public function post_value( $setting, $default = null ) {
$post_values = $this->unsanitized_post_values();
if ( array_key_exists( $setting->id, $post_values ) ) {
return $setting->sanitize( $post_values[ $setting->id ] );
} else {
return $default;
}
}
/**
* Override a setting's (unsanitized) value as found in any incoming $_POST['customized'].
*
* @since 4.2.0
* @access public
*
* @param string $setting_id ID for the WP_Customize_Setting instance.
* @param mixed $value Post value.
*/
public function set_post_value( $setting_id, $value ) {
$this->unsanitized_post_values();
$this->_post_values[ $setting_id ] = $value;
}
/**
* Print JavaScript settings.
*
* @since 3.4.0
*/
public function customize_preview_init() {
$this->nonce_tick = check_ajax_referer( 'preview-customize_' . $this->get_stylesheet(), 'nonce' );
$this->prepare_controls();
wp_enqueue_script( 'customize-preview' );
add_action( 'wp', array( $this, 'customize_preview_override_404_status' ) );
add_action( 'wp_head', array( $this, 'customize_preview_base' ) );
add_action( 'wp_head', array( $this, 'customize_preview_html5' ) );
add_action( 'wp_head', array( $this, 'customize_preview_loading_style' ) );
add_action( 'wp_footer', array( $this, 'customize_preview_settings' ), 20 );
add_action( 'shutdown', array( $this, 'customize_preview_signature' ), 1000 );
add_filter( 'wp_die_handler', array( $this, 'remove_preview_signature' ) );
foreach ( $this->settings as $setting ) {
$setting->preview();
}
/**
* Fires once the Customizer preview has initialized and JavaScript
* settings have been printed.
*
* @since 3.4.0
*
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
do_action( 'customize_preview_init', $this );
}
/**
* Prevent sending a 404 status when returning the response for the customize
* preview, since it causes the jQuery AJAX to fail. Send 200 instead.
*
* @since 4.0.0
* @access public
*/
public function customize_preview_override_404_status() {
if ( is_404() ) {
status_header( 200 );
}
}
/**
* Print base element for preview frame.
*
* @since 3.4.0
*/
public function customize_preview_base() {
?><base href="<?php echo home_url( '/' ); ?>" /><?php
}
/**
* Print a workaround to handle HTML5 tags in IE < 9.
*
* @since 3.4.0
*/
public function customize_preview_html5() { ?>
<!--[if lt IE 9]>
<script type="text/javascript">
var e = [ 'abbr', 'article', 'aside', 'audio', 'canvas', 'datalist', 'details',
'figure', 'footer', 'header', 'hgroup', 'mark', 'menu', 'meter', 'nav',
'output', 'progress', 'section', 'time', 'video' ];
for ( var i = 0; i < e.length; i++ ) {
document.createElement( e[i] );
}
</script>
<![endif]--><?php
}
/**
* Print CSS for loading indicators for the Customizer preview.
*
* @since 4.2.0
* @access public
*/
public function customize_preview_loading_style() {
?><style>
body.wp-customizer-unloading {
opacity: 0.25;
cursor: progress !important;
-webkit-transition: opacity 0.5s;
transition: opacity 0.5s;
}
body.wp-customizer-unloading * {
pointer-events: none !important;
}
</style><?php
}
/**
* Print JavaScript settings for preview frame.
*
* @since 3.4.0
*/
public function customize_preview_settings() {
$settings = array(
'values' => array(),
'channel' => wp_unslash( $_POST['customize_messenger_channel'] ),
'activePanels' => array(),
'activeSections' => array(),
'activeControls' => array(),
'l10n' => array(
'loading' => __( 'Loading ...' ),
),
);
if ( 2 == $this->nonce_tick ) {
$settings['nonce'] = array(
'save' => wp_create_nonce( 'save-customize_' . $this->get_stylesheet() ),
'preview' => wp_create_nonce( 'preview-customize_' . $this->get_stylesheet() )
);
}
foreach ( $this->settings as $id => $setting ) {
$settings['values'][ $id ] = $setting->js_value();
}
foreach ( $this->panels as $id => $panel ) {
$settings['activePanels'][ $id ] = $panel->active();
foreach ( $panel->sections as $id => $section ) {
$settings['activeSections'][ $id ] = $section->active();
}
}
foreach ( $this->sections as $id => $section ) {
$settings['activeSections'][ $id ] = $section->active();
}
foreach ( $this->controls as $id => $control ) {
$settings['activeControls'][ $id ] = $control->active();
}
?>
<script type="text/javascript">
var _wpCustomizeSettings = <?php echo wp_json_encode( $settings ); ?>;
</script>
<?php
}
/**
* Prints a signature so we can ensure the Customizer was properly executed.
*
* @since 3.4.0
*/
public function customize_preview_signature() {
echo 'WP_CUSTOMIZER_SIGNATURE';
}
/**
* Removes the signature in case we experience a case where the Customizer was not properly executed.
*
* @since 3.4.0
*/
public function remove_preview_signature( $return = null ) {
remove_action( 'shutdown', array( $this, 'customize_preview_signature' ), 1000 );
return $return;
}
/**
* Is it a theme preview?
*
* @since 3.4.0
*
* @return bool True if it's a preview, false if not.
*/
public function is_preview() {
return (bool) $this->previewing;
}
/**
* Retrieve the template name of the previewed theme.
*
* @since 3.4.0
*
* @return string Template name.
*/
public function get_template() {
return $this->theme()->get_template();
}
/**
* Retrieve the stylesheet name of the previewed theme.
*
* @since 3.4.0
*
* @return string Stylesheet name.
*/
public function get_stylesheet() {
return $this->theme()->get_stylesheet();
}
/**
* Retrieve the template root of the previewed theme.
*
* @since 3.4.0
*
* @return string Theme root.
*/
public function get_template_root() {
return get_raw_theme_root( $this->get_template(), true );
}
/**
* Retrieve the stylesheet root of the previewed theme.
*
* @since 3.4.0
*
* @return string Theme root.
*/
public function get_stylesheet_root() {
return get_raw_theme_root( $this->get_stylesheet(), true );
}
/**
* Filter the current theme and return the name of the previewed theme.
*
* @since 3.4.0
*
* @param $current_theme {@internal Parameter is not used}
* @return string Theme name.
*/
public function current_theme( $current_theme ) {
return $this->theme()->display('Name');
}
/**
* Switch the theme and trigger the save() method on each setting.
*
* @since 3.4.0
*/
public function save() {
if ( ! $this->is_preview() ) {
wp_send_json_error( 'not_preview' );
}
$action = 'save-customize_' . $this->get_stylesheet();
if ( ! check_ajax_referer( $action, 'nonce', false ) ) {
wp_send_json_error( 'invalid_nonce' );
}
// Do we have to switch themes?
if ( ! $this->is_theme_active() ) {
// Temporarily stop previewing the theme to allow switch_themes()
// to operate properly.
$this->stop_previewing_theme();
switch_theme( $this->get_stylesheet() );
update_option( 'theme_switched_via_customizer', true );
$this->start_previewing_theme();
}
/**
* Fires once the theme has switched in the Customizer, but before settings
* have been saved.
*
* @since 3.4.0
*
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
do_action( 'customize_save', $this );
foreach ( $this->settings as $setting ) {
$setting->save();
}
/**
* Fires after Customize settings have been saved.
*
* @since 3.6.0
*
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
do_action( 'customize_save_after', $this );
/**
* Filter response data for a successful customize_save AJAX request.
*
* This filter does not apply if there was a nonce or authentication failure.
*
* @since 4.2.0
*
* @param array $data Additional information passed back to the 'saved'
* event on `wp.customize`.
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
$response = apply_filters( 'customize_save_response', array(), $this );
wp_send_json_success( $response );
}
/**
* Refresh nonces for the current preview.
*
* @since 4.2.0
*/
public function refresh_nonces() {
if ( ! $this->is_preview() ) {
wp_send_json_error( 'not_preview' );
}
$nonces = array(
'save' => wp_create_nonce( 'save-customize_' . $this->get_stylesheet() ),
'preview' => wp_create_nonce( 'preview-customize_' . $this->get_stylesheet() ),
);
/**
* Filter nonces for a customize_refresh_nonces AJAX request.
*
* @since 4.2.0
*
* @param array $nonces Array of refreshed nonces for save and
* preview actions.
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
$nonces = apply_filters( 'customize_refresh_nonces', $nonces, $this );
wp_send_json_success( $nonces );
}
/**
* Add a customize setting.
*
* @since 3.4.0
*
* @param WP_Customize_Setting|string $id Customize Setting object, or ID.
* @param array $args Setting arguments; passed to WP_Customize_Setting
* constructor.
*/
public function add_setting( $id, $args = array() ) {
if ( $id instanceof WP_Customize_Setting ) {
$setting = $id;
} else {
$setting = new WP_Customize_Setting( $this, $id, $args );
}
$this->settings[ $setting->id ] = $setting;
}
/**
* Register any dynamically-created settings, such as those from $_POST['customized']
* that have no corresponding setting created.
*
* This is a mechanism to "wake up" settings that have been dynamically created
* on the frontend and have been sent to WordPress in `$_POST['customized']`. When WP
* loads, the dynamically-created settings then will get created and previewed
* even though they are not directly created statically with code.
*
* @since 4.2.0
*
* @param string $setting_ids The setting IDs to add.
* @return WP_Customize_Setting The settings added.
*/
public function add_dynamic_settings( $setting_ids ) {
$new_settings = array();
foreach ( $setting_ids as $setting_id ) {
// Skip settings already created
if ( $this->get_setting( $setting_id ) ) {
continue;
}
$setting_args = false;
$setting_class = 'WP_Customize_Setting';
/**
* Filter a dynamic setting's constructor args.
*
* For a dynamic setting to be registered, this filter must be employed
* to override the default false value with an array of args to pass to
* the WP_Customize_Setting constructor.
*
* @since 4.2.0
*
* @param false|array $setting_args The arguments to the WP_Customize_Setting constructor.
* @param string $setting_id ID for dynamic setting, usually coming from `$_POST['customized']`.
*/
$setting_args = apply_filters( 'customize_dynamic_setting_args', $setting_args, $setting_id );
if ( false === $setting_args ) {
continue;
}
/**
* Allow non-statically created settings to be constructed with custom WP_Customize_Setting subclass.
*
* @since 4.2.0
*
* @param string $setting_class WP_Customize_Setting or a subclass.
* @param string $setting_id ID for dynamic setting, usually coming from `$_POST['customized']`.
* @param string $setting_args WP_Customize_Setting or a subclass.
*/
$setting_class = apply_filters( 'customize_dynamic_setting_class', $setting_class, $setting_id, $setting_args );
$setting = new $setting_class( $this, $setting_id, $setting_args );
$this->add_setting( $setting );
$new_settings[] = $setting;
}
return $new_settings;
}
/**
* Retrieve a customize setting.
*
* @since 3.4.0
*
* @param string $id Customize Setting ID.
* @return WP_Customize_Setting
*/
public function get_setting( $id ) {
if ( isset( $this->settings[ $id ] ) ) {
return $this->settings[ $id ];
}
}
/**
* Remove a customize setting.
*
* @since 3.4.0
*
* @param string $id Customize Setting ID.
*/
public function remove_setting( $id ) {
unset( $this->settings[ $id ] );
}
/**
* Add a customize panel.
*
* @since 4.0.0
* @access public
*
* @param WP_Customize_Panel|string $id Customize Panel object, or Panel ID.
* @param array $args Optional. Panel arguments. Default empty array.
*/
public function add_panel( $id, $args = array() ) {
if ( $id instanceof WP_Customize_Panel ) {
$panel = $id;
} else {
$panel = new WP_Customize_Panel( $this, $id, $args );
}
$this->panels[ $panel->id ] = $panel;
}
/**
* Retrieve a customize panel.
*
* @since 4.0.0
* @access public
*
* @param string $id Panel ID to get.
* @return WP_Customize_Panel Requested panel instance.
*/
public function get_panel( $id ) {
if ( isset( $this->panels[ $id ] ) ) {
return $this->panels[ $id ];
}
}
/**
* Remove a customize panel.
*
* @since 4.0.0
* @access public
*
* @param string $id Panel ID to remove.
*/
public function remove_panel( $id ) {
unset( $this->panels[ $id ] );
}
/**
* Add a customize section.
*
* @since 3.4.0
*
* @param WP_Customize_Section|string $id Customize Section object, or Section ID.
* @param array $args Section arguments.
*/
public function add_section( $id, $args = array() ) {
if ( $id instanceof WP_Customize_Section ) {
$section = $id;
} else {
$section = new WP_Customize_Section( $this, $id, $args );
}
$this->sections[ $section->id ] = $section;
}
/**