Gecko [ biogenelab.eu ]

Name	Size	Permission
ID3	[ DIR ]	drwxrwsr-x
IXR	[ DIR ]	drwxrwsr-x
Requests	[ DIR ]	drwxrwsr-x
SimplePie	[ DIR ]	drwxrwsr-x
Text	[ DIR ]	drwxrwsr-x
certificates	[ DIR ]	drwxrwsr-x
css	[ DIR ]	drwxrwsr-x
customize	[ DIR ]	drwxrwsr-x
fonts	[ DIR ]	drwxrwsr-x
images	[ DIR ]	drwxrwsr-x
js	[ DIR ]	drwxrwsr-x
pomo	[ DIR ]	drwxrwsr-x
random_compat	[ DIR ]	drwxrwsr-x
rest-api	[ DIR ]	drwxrwsr-x
theme-compat	[ DIR ]	drwxrwsr-x
widgets	[ DIR ]	drwxrwsr-x
admin-bar.php	27.09 KB	-rwxrwxr-x
atomlib.php	11.56 KB	-rwxrwxr-x
author-template.php	15.2 KB	-rwxrwxr-x
bookmark-template.php	11.42 KB	-rwxrwxr-x
bookmark.php	13.35 KB	-rwxrwxr-x
cache.php	21.54 KB	-rwxrwxr-x
canonical.php	26.27 KB	-rwxrwxr-x
capabilities.php	23.48 KB	-rwxrwxr-x
category-template.php	50.76 KB	-rwxrwxr-x
category.php	11.7 KB	-rwxrwxr-x
class-IXR.php	2.51 KB	-rwxrwxr-x
class-feed.php	522 B	-rwxrwxr-x
class-http.php	35.52 KB	-rwxrwxr-x
class-json.php	39.52 KB	-rwxrwxr-x
class-oembed.php	29.19 KB	-rwxrwxr-x
class-phpass.php	7.15 KB	-rwxrwxr-x
class-phpmailer.php	143.34 KB	-rwxrwxr-x
class-pop3.php	20.43 KB	-rwxrwxr-x
class-requests.php	29.09 KB	-rwxrwxr-x
class-simplepie.php	87.17 KB	-rwxrwxr-x
class-smtp.php	38.55 KB	-rwxrwxr-x
class-snoopy.php	36.9 KB	-rwxrwxr-x
class-walker-category-dropdown...	2.11 KB	-rwxrwxr-x
class-walker-category.php	6.59 KB	-rwxrwxr-x
class-walker-comment.php	11.1 KB	-rwxrwxr-x
class-walker-nav-menu.php	8.23 KB	-rwxrwxr-x
class-walker-page-dropdown.php	2.28 KB	-rwxrwxr-x
class-walker-page.php	6.67 KB	-rwxrwxr-x
class-wp-admin-bar.php	16.43 KB	-rwxrwxr-x
class-wp-ajax-response.php	4.92 KB	-rwxrwxr-x
class-wp-comment-query.php	40.64 KB	-rwxrwxr-x
class-wp-comment.php	9.22 KB	-rwxrwxr-x
class-wp-customize-control.php	22.28 KB	-rwxrwxr-x
class-wp-customize-manager.php	145.64 KB	-rwxrwxr-x
class-wp-customize-nav-menus.p...	48.36 KB	-rwxrwxr-x
class-wp-customize-panel.php	9.65 KB	-rwxrwxr-x
class-wp-customize-section.php	9.93 KB	-rwxrwxr-x
class-wp-customize-setting.php	27.81 KB	-rwxrwxr-x
class-wp-customize-widgets.php	65.88 KB	-rwxrwxr-x
class-wp-dependency.php	1.64 KB	-rwxrwxr-x
class-wp-editor.php	58.52 KB	-rwxrwxr-x
class-wp-embed.php	11.8 KB	-rwxrwxr-x
class-wp-error.php	4.55 KB	-rwxrwxr-x
class-wp-feed-cache-transient....	2.64 KB	-rwxrwxr-x
class-wp-feed-cache.php	764 B	-rwxrwxr-x
class-wp-hook.php	14.12 KB	-rwxrwxr-x
class-wp-http-cookie.php	6.4 KB	-rwxrwxr-x
class-wp-http-curl.php	11.46 KB	-rwxrwxr-x
class-wp-http-encoding.php	6.29 KB	-rwxrwxr-x
class-wp-http-ixr-client.php	3.17 KB	-rwxrwxr-x
class-wp-http-proxy.php	5.82 KB	-rwxrwxr-x
class-wp-http-requests-hooks.p...	1.84 KB	-rwxrwxr-x
class-wp-http-requests-respons...	4.42 KB	-rwxrwxr-x
class-wp-http-response.php	3.02 KB	-rwxrwxr-x
class-wp-http-streams.php	14.6 KB	-rwxrwxr-x
class-wp-image-editor-gd.php	12.87 KB	-rwxrwxr-x
class-wp-image-editor-imagick....	21.47 KB	-rwxrwxr-x
class-wp-image-editor.php	11.74 KB	-rwxrwxr-x
class-wp-list-util.php	6.33 KB	-rwxrwxr-x
class-wp-locale-switcher.php	5.02 KB	-rwxrwxr-x
class-wp-locale.php	14.39 KB	-rwxrwxr-x
class-wp-matchesmapregex.php	1.87 KB	-rwxrwxr-x
class-wp-meta-query.php	22.16 KB	-rwxrwxr-x
class-wp-metadata-lazyloader.p...	5.36 KB	-rwxrwxr-x
class-wp-network-query.php	16.6 KB	-rwxrwxr-x
class-wp-network.php	10.05 KB	-rwxrwxr-x
class-wp-oembed-controller.php	5.25 KB	-rwxrwxr-x
class-wp-post-type.php	18.59 KB	-rwxrwxr-x
class-wp-post.php	5.71 KB	-rwxrwxr-x
class-wp-query.php	119.83 KB	-rwxrwxr-x
class-wp-rewrite.php	58.72 KB	-rwxrwxr-x
class-wp-role.php	2.66 KB	-rwxrwxr-x
class-wp-roles.php	6.42 KB	-rwxrwxr-x
class-wp-session-tokens.php	7.41 KB	-rwxrwxr-x
class-wp-simplepie-file.php	2.24 KB	-rwxrwxr-x
class-wp-simplepie-sanitize-ks...	1.75 KB	-rwxrwxr-x
class-wp-site-query.php	22.65 KB	-rwxrwxr-x
class-wp-site.php	7.5 KB	-rwxrwxr-x
class-wp-tax-query.php	19.34 KB	-rwxrwxr-x
class-wp-taxonomy.php	10.3 KB	-rwxrwxr-x
class-wp-term-query.php	32.49 KB	-rwxrwxr-x
class-wp-term.php	5.29 KB	-rwxrwxr-x
class-wp-text-diff-renderer-in...	712 B	-rwxrwxr-x
class-wp-text-diff-renderer-ta...	13.74 KB	-rwxrwxr-x
class-wp-theme.php	46.73 KB	-rwxrwxr-x
class-wp-user-meta-session-tok...	3 KB	-rwxrwxr-x
class-wp-user-query.php	29.17 KB	-rwxrwxr-x
class-wp-user.php	19.19 KB	-rwxrwxr-x
class-wp-walker.php	12.1 KB	-rwxrwxr-x
class-wp-widget-factory.php	3.81 KB	-rwxrwxr-x
class-wp-widget.php	17.76 KB	-rwxrwxr-x
class-wp-xmlrpc-server.php	195 KB	-rwxrwxr-x
class-wp.php	23.57 KB	-rwxrwxr-x
class.wp-dependencies.php	11.28 KB	-rwxrwxr-x
class.wp-scripts.php	14.34 KB	-rwxrwxr-x
class.wp-styles.php	9.94 KB	-rwxrwxr-x
comment-template.php	85.21 KB	-rwxrwxr-x
comment.php	99.8 KB	-rwxrwxr-x
compat.php	16.79 KB	-rwxrwxr-x
cron.php	15.57 KB	-rwxrwxr-x
date.php	34.55 KB	-rwxrwxr-x
default-constants.php	9.25 KB	-rwxrwxr-x
default-filters.php	25.16 KB	-rwxrwxr-x
default-widgets.php	2 KB	-rwxrwxr-x
deprecated.php	108.92 KB	-rwxrwxr-x
embed-template.php	344 B	-rwxrwxr-x
embed.php	42.64 KB	-rwxrwxr-x
feed-atom-comments.php	5.23 KB	-rwxrwxr-x
feed-atom.php	3.02 KB	-rwxrwxr-x
feed-rdf.php	2.61 KB	-rwxrwxr-x
feed-rss.php	1.22 KB	-rwxrwxr-x
feed-rss2-comments.php	3.97 KB	-rwxrwxr-x
feed-rss2.php	3.68 KB	-rwxrwxr-x
feed.php	19.07 KB	-rwxrwxr-x
formatting.php	185.8 KB	-rwxrwxr-x
functions.php	170.7 KB	-rwxrwxr-x
functions.wp-scripts.php	11.21 KB	-rwxrwxr-x
functions.wp-styles.php	7.89 KB	-rwxrwxr-x
general-template.php	123.12 KB	-rwxrwxr-x
http.php	21.69 KB	-rwxrwxr-x
kses.php	49.08 KB	-rwxrwxr-x
l10n.php	42.1 KB	-rwxrwxr-x
link-template.php	131.91 KB	-rwxrwxr-x
load.php	31.68 KB	-rwxrwxr-x
locale.php	141 B	-rwxrwxr-x
media-template.php	45.03 KB	-rwxrwxr-x
media.php	134.68 KB	-rwxrwxr-x
meta.php	36.55 KB	-rwxrwxr-x
ms-blogs.php	37.35 KB	-rwxrwxr-x
ms-default-constants.php	4.64 KB	-rwxrwxr-x
ms-default-filters.php	4.47 KB	-rwxrwxr-x
ms-deprecated.php	14.43 KB	-rwxrwxr-x
ms-files.php	2.56 KB	-rwxrwxr-x
ms-functions.php	80.63 KB	-rwxrwxr-x
ms-load.php	19.38 KB	-rwxrwxr-x
ms-settings.php	3.34 KB	-rwxrwxr-x
nav-menu-template.php	20.09 KB	-rwxrwxr-x
nav-menu.php	32.42 KB	-rwxrwxr-x
option.php	63 KB	-rwxrwxr-x
pluggable-deprecated.php	6.12 KB	-rwxrwxr-x
pluggable.php	85.84 KB	-rwxrwxr-x
plugin.php	30.55 KB	-rwxrwxr-x
post-formats.php	6.79 KB	-rwxrwxr-x
post-template.php	57.17 KB	-rwxrwxr-x
post-thumbnail-template.php	7.91 KB	-rwxrwxr-x
post.php	206.94 KB	-rwxrwxr-x
query.php	22.94 KB	-rwxrwxr-x
registration-functions.php	178 B	-rwxrwxr-x
registration.php	178 B	-rwxrwxr-x
rest-api.php	35.15 KB	-rwxrwxr-x
revision.php	20.81 KB	-rwxrwxr-x
rewrite.php	16.81 KB	-rwxrwxr-x
rss-functions.php	191 B	-rwxrwxr-x
rss.php	22.66 KB	-rwxrwxr-x
script-loader.php	67.87 KB	-rwxrwxr-x
session.php	242 B	-rwxrwxr-x
shortcodes.php	20.27 KB	-rwxrwxr-x
taxonomy.php	141.9 KB	-rwxrwxr-x
template-loader.php	2.83 KB	-rwxrwxr-x
template.php	19.14 KB	-rwxrwxr-x
theme.php	95.92 KB	-rw-r--r--
update.php	22.96 KB	-rwxrwxr-x
user.php	83.58 KB	-rwxrwxr-x
vars.php	5.22 KB	-rwxrwxr-x
version.php	617 B	-rwxrwxr-x
widgets.php	47.16 KB	-rwxrwxr-x
wlwmanifest.xml	1.02 KB	-rwxrwxr-x
wp-db.php	93.27 KB	-rwxrwxr-x
wp-diff-restful.php	4.18 KB	-rw-r--r--
wp-diff.php	661 B	-rwxrwxr-x

Code Editor : class-wp-customize-setting.php

<?php
/**
 * WordPress Customize Setting classes
 *
 * @package WordPress
 * @subpackage Customize
 * @since 3.4.0
 */

/**
 * Customize Setting class.
 *
 * Handles saving and sanitizing of settings.
 *
 * @since 3.4.0
 *
 * @see WP_Customize_Manager
 */
class WP_Customize_Setting {
	/**
	 * Customizer bootstrap instance.
	 *
	 * @since 3.4.0
	 * @access public
	 * @var WP_Customize_Manager
	 */
	public $manager;

/**
	 * Unique string identifier for the setting.
	 *
	 * @since 3.4.0
	 * @access public
	 * @var string
	 */
	public $id;

/**
	 * Type of customize settings.
	 *
	 * @since 3.4.0
	 * @access public
	 * @var string
	 */
	public $type = 'theme_mod';

/**
	 * Capability required to edit this setting.
	 *
	 * @since 3.4.0
	 * @access public
	 * @var string|array
	 */
	public $capability = 'edit_theme_options';

/**
	 * Feature a theme is required to support to enable this setting.
	 *
	 * @since 3.4.0
	 * @access public
	 * @var string
	 */
	public $theme_supports = '';

/**
	 * The default value for the setting.
	 *
	 * @since 3.4.0
	 * @access public
	 * @var string
	 */
	public $default = '';

/**
	 * Options for rendering the live preview of changes in Theme Customizer.
	 *
	 * Set this value to 'postMessage' to enable a custom Javascript handler to render changes to this setting
	 * as opposed to reloading the whole page.
	 *
	 * @link https://developer.wordpress.org/themes/customize-api
	 *
	 * @since 3.4.0
	 * @access public
	 * @var string
	 */
	public $transport = 'refresh';

/**
	 * Server-side validation callback for the setting's value.
	 *
	 * @since 4.6.0
	 * @access public
	 * @var callable
	 */
	public $validate_callback = '';

/**
	 * Callback to filter a Customize setting value in un-slashed form.
	 *
	 * @since 3.4.0
	 * @access public
	 * @var callable
	 */
	public $sanitize_callback = '';

/**
	 * Callback to convert a Customize PHP setting value to a value that is JSON serializable.
	 *
	 * @since 3.4.0
	 * @access public
	 * @var string
	 */
	public $sanitize_js_callback = '';

/**
	 * Whether or not the setting is initially dirty when created.
	 *
	 * This is used to ensure that a setting will be sent from the pane to the
	 * preview when loading the Customizer. Normally a setting only is synced to
	 * the preview if it has been changed. This allows the setting to be sent
	 * from the start.
	 *
	 * @since 4.2.0
	 * @access public
	 * @var bool
	 */
	public $dirty = false;

/**
	 * ID Data.
	 *
	 * @since 3.4.0
	 * @access protected
	 * @var array
	 */
	protected $id_data = array();

/**
	 * Whether or not preview() was called.
	 *
	 * @since 4.4.0
	 * @access protected
	 * @var bool
	 */
	protected $is_previewed = false;

/**
	 * Cache of multidimensional values to improve performance.
	 *
	 * @since 4.4.0
	 * @static
	 * @access protected
	 * @var array
	 */
	protected static $aggregated_multidimensionals = array();

/**
	 * Whether the multidimensional setting is aggregated.
	 *
	 * @since 4.4.0
	 * @access protected
	 * @var bool
	 */
	protected $is_multidimensional_aggregated = false;

/**
	 * Constructor.
	 *
	 * Any supplied $args override class property defaults.
	 *
	 * @since 3.4.0
	 *
	 * @param WP_Customize_Manager $manager
	 * @param string               $id      An specific ID of the setting. Can be a
	 *                                      theme mod or option name.
	 * @param array                $args    Setting arguments.
	 */
	public function __construct( $manager, $id, $args = array() ) {
		$keys = array_keys( get_object_vars( $this ) );
		foreach ( $keys as $key ) {
			if ( isset( $args[ $key ] ) ) {
				$this->$key = $args[ $key ];
			}
		}

$this->manager = $manager;
		$this->id = $id;

// Parse the ID for array keys.
		$this->id_data['keys'] = preg_split( '/\[/', str_replace( ']', '', $this->id ) );
		$this->id_data['base'] = array_shift( $this->id_data['keys'] );

// Rebuild the ID.
		$this->id = $this->id_data[ 'base' ];
		if ( ! empty( $this->id_data[ 'keys' ] ) ) {
			$this->id .= '[' . implode( '][', $this->id_data['keys'] ) . ']';
		}

if ( $this->validate_callback ) {
			add_filter( "customize_validate_{$this->id}", $this->validate_callback, 10, 3 );
		}
		if ( $this->sanitize_callback ) {
			add_filter( "customize_sanitize_{$this->id}", $this->sanitize_callback, 10, 2 );
		}
		if ( $this->sanitize_js_callback ) {
			add_filter( "customize_sanitize_js_{$this->id}", $this->sanitize_js_callback, 10, 2 );
		}

if ( 'option' === $this->type || 'theme_mod' === $this->type ) {
			// Other setting types can opt-in to aggregate multidimensional explicitly.
			$this->aggregate_multidimensional();

// Allow option settings to indicate whether they should be autoloaded.
			if ( 'option' === $this->type && isset( $args['autoload'] ) ) {
				self::$aggregated_multidimensionals[ $this->type ][ $this->id_data['base'] ]['autoload'] = $args['autoload'];
			}
		}
	}

/**
	 * Get parsed ID data for multidimensional setting.
	 *
	 * @since 4.4.0
	 *
	 * @return array {
	 *     ID data for multidimensional setting.
	 *
	 *     @type string $base ID base
	 *     @type array  $keys Keys for multidimensional array.
	 * }
	 */
	final public function id_data() {
		return $this->id_data;
	}

/**
	 * Set up the setting for aggregated multidimensional values.
	 *
	 * When a multidimensional setting gets aggregated, all of its preview and update
	 * calls get combined into one call, greatly improving performance.
	 *
	 * @since 4.4.0
	 */
	protected function aggregate_multidimensional() {
		$id_base = $this->id_data['base'];
		if ( ! isset( self::$aggregated_multidimensionals[ $this->type ] ) ) {
			self::$aggregated_multidimensionals[ $this->type ] = array();
		}
		if ( ! isset( self::$aggregated_multidimensionals[ $this->type ][ $id_base ] ) ) {
			self::$aggregated_multidimensionals[ $this->type ][ $id_base ] = array(
				'previewed_instances'       => array(), // Calling preview() will add the $setting to the array.
				'preview_applied_instances' => array(), // Flags for which settings have had their values applied.
				'root_value'                => $this->get_root_value( array() ), // Root value for initial state, manipulated by preview and update calls.
			);
		}

if ( ! empty( $this->id_data['keys'] ) ) {
			// Note the preview-applied flag is cleared at priority 9 to ensure it is cleared before a deferred-preview runs.
			add_action( "customize_post_value_set_{$this->id}", array( $this, '_clear_aggregated_multidimensional_preview_applied_flag' ), 9 );
			$this->is_multidimensional_aggregated = true;
		}
	}

/**
	 * Reset `$aggregated_multidimensionals` static variable.
	 *
	 * This is intended only for use by unit tests.
	 *
	 * @since 4.5.0
	 * @ignore
	 */
	static public function reset_aggregated_multidimensionals() {
		self::$aggregated_multidimensionals = array();
	}

/**
	 * The ID for the current site when the preview() method was called.
	 *
	 * @since 4.2.0
	 * @access protected
	 * @var int
	 */
	protected $_previewed_blog_id;

/**
	 * Return true if the current site is not the same as the previewed site.
	 *
	 * @since 4.2.0
	 *
	 * @return bool If preview() has been called.
	 */
	public function is_current_blog_previewed() {
		if ( ! isset( $this->_previewed_blog_id ) ) {
			return false;
		}
		return ( get_current_blog_id() === $this->_previewed_blog_id );
	}

/**
	 * Original non-previewed value stored by the preview method.
	 *
	 * @see WP_Customize_Setting::preview()
	 * @since 4.1.1
	 * @access protected
	 * @var mixed
	 */
	protected $_original_value;

/**
	 * Add filters to supply the setting's value when accessed.
	 *
	 * If the setting already has a pre-existing value and there is no incoming
	 * post value for the setting, then this method will short-circuit since
	 * there is no change to preview.
	 *
	 * @since 3.4.0
	 * @since 4.4.0 Added boolean return value.
	 *
	 * @return bool False when preview short-circuits due no change needing to be previewed.
	 */
	public function preview() {
		if ( ! isset( $this->_previewed_blog_id ) ) {
			$this->_previewed_blog_id = get_current_blog_id();
		}

// Prevent re-previewing an already-previewed setting.
		if ( $this->is_previewed ) {
			return true;
		}

$id_base = $this->id_data['base'];
		$is_multidimensional = ! empty( $this->id_data['keys'] );
		$multidimensional_filter = array( $this, '_multidimensional_preview_filter' );

/*
		 * Check if the setting has a pre-existing value (an isset check),
		 * and if doesn't have any incoming post value. If both checks are true,
		 * then the preview short-circuits because there is nothing that needs
		 * to be previewed.
		 */
		$undefined = new stdClass();
		$needs_preview = ( $undefined !== $this->post_value( $undefined ) );
		$value = null;

// Since no post value was defined, check if we have an initial value set.
		if ( ! $needs_preview ) {
			if ( $this->is_multidimensional_aggregated ) {
				$root = self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['root_value'];
				$value = $this->multidimensional_get( $root, $this->id_data['keys'], $undefined );
			} else {
				$default = $this->default;
				$this->default = $undefined; // Temporarily set default to undefined so we can detect if existing value is set.
				$value = $this->value();
				$this->default = $default;
			}
			$needs_preview = ( $undefined === $value ); // Because the default needs to be supplied.
		}

// If the setting does not need previewing now, defer to when it has a value to preview.
		if ( ! $needs_preview ) {
			if ( ! has_action( "customize_post_value_set_{$this->id}", array( $this, 'preview' ) ) ) {
				add_action( "customize_post_value_set_{$this->id}", array( $this, 'preview' ) );
			}
			return false;
		}

switch ( $this->type ) {
			case 'theme_mod' :
				if ( ! $is_multidimensional ) {
					add_filter( "theme_mod_{$id_base}", array( $this, '_preview_filter' ) );
				} else {
					if ( empty( self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['previewed_instances'] ) ) {
						// Only add this filter once for this ID base.
						add_filter( "theme_mod_{$id_base}", $multidimensional_filter );
					}
					self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['previewed_instances'][ $this->id ] = $this;
				}
				break;
			case 'option' :
				if ( ! $is_multidimensional ) {
					add_filter( "pre_option_{$id_base}", array( $this, '_preview_filter' ) );
				} else {
					if ( empty( self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['previewed_instances'] ) ) {
						// Only add these filters once for this ID base.
						add_filter( "option_{$id_base}", $multidimensional_filter );
						add_filter( "default_option_{$id_base}", $multidimensional_filter );
					}
					self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['previewed_instances'][ $this->id ] = $this;
				}
				break;
			default :

/**
				 * Fires when the WP_Customize_Setting::preview() method is called for settings
				 * not handled as theme_mods or options.
				 *
				 * The dynamic portion of the hook name, `$this->id`, refers to the setting ID.
				 *
				 * @since 3.4.0
				 *
				 * @param WP_Customize_Setting $this WP_Customize_Setting instance.
				 */
				do_action( "customize_preview_{$this->id}", $this );

/**
				 * Fires when the WP_Customize_Setting::preview() method is called for settings
				 * not handled as theme_mods or options.
				 *
				 * The dynamic portion of the hook name, `$this->type`, refers to the setting type.
				 *
				 * @since 4.1.0
				 *
				 * @param WP_Customize_Setting $this WP_Customize_Setting instance.
				 */
				do_action( "customize_preview_{$this->type}", $this );
		}

$this->is_previewed = true;

return true;
	}

/**
	 * Clear out the previewed-applied flag for a multidimensional-aggregated value whenever its post value is updated.
	 *
	 * This ensures that the new value will get sanitized and used the next time
	 * that `WP_Customize_Setting::_multidimensional_preview_filter()`
	 * is called for this setting.
	 *
	 * @since 4.4.0
	 *
	 * @see WP_Customize_Manager::set_post_value()
	 * @see WP_Customize_Setting::_multidimensional_preview_filter()
	 */
	final public function _clear_aggregated_multidimensional_preview_applied_flag() {
		unset( self::$aggregated_multidimensionals[ $this->type ][ $this->id_data['base'] ]['preview_applied_instances'][ $this->id ] );
	}

/**
	 * Callback function to filter non-multidimensional theme mods and options.
	 *
	 * If switch_to_blog() was called after the preview() method, and the current
	 * site is now not the same site, then this method does a no-op and returns
	 * the original value.
	 *
	 * @since 3.4.0
	 *
	 * @param mixed $original Old value.
	 * @return mixed New or old value.
	 */
	public function _preview_filter( $original ) {
		if ( ! $this->is_current_blog_previewed() ) {
			return $original;
		}

$undefined = new stdClass(); // Symbol hack.
		$post_value = $this->post_value( $undefined );
		if ( $undefined !== $post_value ) {
			$value = $post_value;
		} else {
			/*
			 * Note that we don't use $original here because preview() will
			 * not add the filter in the first place if it has an initial value
			 * and there is no post value.
			 */
			$value = $this->default;
		}
		return $value;
	}

/**
	 * Callback function to filter multidimensional theme mods and options.
	 *
	 * For all multidimensional settings of a given type, the preview filter for
	 * the first setting previewed will be used to apply the values for the others.
	 *
	 * @since 4.4.0
	 *
	 * @see WP_Customize_Setting::$aggregated_multidimensionals
	 * @param mixed $original Original root value.
	 * @return mixed New or old value.
	 */
	final public function _multidimensional_preview_filter( $original ) {
		if ( ! $this->is_current_blog_previewed() ) {
			return $original;
		}

$id_base = $this->id_data['base'];

// If no settings have been previewed yet (which should not be the case, since $this is), just pass through the original value.
		if ( empty( self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['previewed_instances'] ) ) {
			return $original;
		}

foreach ( self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['previewed_instances'] as $previewed_setting ) {
			// Skip applying previewed value for any settings that have already been applied.
			if ( ! empty( self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['preview_applied_instances'][ $previewed_setting->id ] ) ) {
				continue;
			}

// Do the replacements of the posted/default sub value into the root value.
			$value = $previewed_setting->post_value( $previewed_setting->default );
			$root = self::$aggregated_multidimensionals[ $previewed_setting->type ][ $id_base ]['root_value'];
			$root = $previewed_setting->multidimensional_replace( $root, $previewed_setting->id_data['keys'], $value );
			self::$aggregated_multidimensionals[ $previewed_setting->type ][ $id_base ]['root_value'] = $root;

// Mark this setting having been applied so that it will be skipped when the filter is called again.
			self::$aggregated_multidimensionals[ $previewed_setting->type ][ $id_base ]['preview_applied_instances'][ $previewed_setting->id ] = true;
		}

return self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['root_value'];
	}

/**
	 * Checks user capabilities and theme supports, and then saves
	 * the value of the setting.
	 *
	 * @since 3.4.0
	 *
	 * @return false|void False if cap check fails or value isn't set or is invalid.
	 */
	final public function save() {
		$value = $this->post_value();

if ( ! $this->check_capabilities() || ! isset( $value ) ) {
			return false;
		}

$id_base = $this->id_data['base'];

/**
		 * Fires when the WP_Customize_Setting::save() method is called.
		 *
		 * The dynamic portion of the hook name, `$id_base` refers to
		 * the base slug of the setting name.
		 *
		 * @since 3.4.0
		 *
		 * @param WP_Customize_Setting $this WP_Customize_Setting instance.
		 */
		do_action( "customize_save_{$id_base}", $this );

$this->update( $value );
	}

/**
	 * Fetch and sanitize the $_POST value for the setting.
	 *
	 * During a save request prior to save, post_value() provides the new value while value() does not.
	 *
	 * @since 3.4.0
	 *
	 * @param mixed $default A default value which is used as a fallback. Default is null.
	 * @return mixed The default value on failure, otherwise the sanitized and validated value.
	 */
	final public function post_value( $default = null ) {
		return $this->manager->post_value( $this, $default );
	}

/**
	 * Sanitize an input.
	 *
	 * @since 3.4.0
	 *
	 * @param string|array $value    The value to sanitize.
	 * @return string|array|null|WP_Error Sanitized value, or `null`/`WP_Error` if invalid.
	 */
	public function sanitize( $value ) {

/**
		 * Filters a Customize setting value in un-slashed form.
		 *
		 * @since 3.4.0
		 *
		 * @param mixed                $value Value of the setting.
		 * @param WP_Customize_Setting $this  WP_Customize_Setting instance.
		 */
		return apply_filters( "customize_sanitize_{$this->id}", $value, $this );
	}

/**
	 * Validates an input.
	 *
	 * @since 4.6.0
	 *
	 * @see WP_REST_Request::has_valid_params()
	 *
	 * @param mixed $value Value to validate.
	 * @return true|WP_Error True if the input was validated, otherwise WP_Error.
	 */
	public function validate( $value ) {
		if ( is_wp_error( $value ) ) {
			return $value;
		}
		if ( is_null( $value ) ) {
			return new WP_Error( 'invalid_value', __( 'Invalid value.' ) );
		}

$validity = new WP_Error();

/**
		 * Validates a Customize setting value.
		 *
		 * Plugins should amend the `$validity` object via its `WP_Error::add()` method.
		 *
		 * The dynamic portion of the hook name, `$this->ID`, refers to the setting ID.
		 *
		 * @since 4.6.0
		 *
		 * @param WP_Error             $validity Filtered from `true` to `WP_Error` when invalid.
		 * @param mixed                $value    Value of the setting.
		 * @param WP_Customize_Setting $this     WP_Customize_Setting instance.
		 */
		$validity = apply_filters( "customize_validate_{$this->id}", $validity, $value, $this );

if ( is_wp_error( $validity ) && empty( $validity->errors ) ) {
			$validity = true;
		}
		return $validity;
	}

/**
	 * Get the root value for a setting, especially for multidimensional ones.
	 *
	 * @since 4.4.0
	 *
	 * @param mixed $default Value to return if root does not exist.
	 * @return mixed
	 */
	protected function get_root_value( $default = null ) {
		$id_base = $this->id_data['base'];
		if ( 'option' === $this->type ) {
			return get_option( $id_base, $default );
		} elseif ( 'theme_mod' === $this->type ) {
			return get_theme_mod( $id_base, $default );
		} else {
			/*
			 * Any WP_Customize_Setting subclass implementing aggregate multidimensional
			 * will need to override this method to obtain the data from the appropriate
			 * location.
			 */
			return $default;
		}
	}

/**
	 * Set the root value for a setting, especially for multidimensional ones.
	 *
	 * @since 4.4.0
	 *
	 * @param mixed $value Value to set as root of multidimensional setting.
	 * @return bool Whether the multidimensional root was updated successfully.
	 */
	protected function set_root_value( $value ) {
		$id_base = $this->id_data['base'];
		if ( 'option' === $this->type ) {
			$autoload = true;
			if ( isset( self::$aggregated_multidimensionals[ $this->type ][ $this->id_data['base'] ]['autoload'] ) ) {
				$autoload = self::$aggregated_multidimensionals[ $this->type ][ $this->id_data['base'] ]['autoload'];
			}
			return update_option( $id_base, $value, $autoload );
		} elseif ( 'theme_mod' === $this->type ) {
			set_theme_mod( $id_base, $value );
			return true;
		} else {
			/*
			 * Any WP_Customize_Setting subclass implementing aggregate multidimensional
			 * will need to override this method to obtain the data from the appropriate
			 * location.
			 */
			return false;
		}
	}

/**
	 * Save the value of the setting, using the related API.
	 *
	 * @since 3.4.0
	 *
	 * @param mixed $value The value to update.
	 * @return bool The result of saving the value.
	 */
	protected function update( $value ) {
		$id_base = $this->id_data['base'];
		if ( 'option' === $this->type || 'theme_mod' === $this->type ) {
			if ( ! $this->is_multidimensional_aggregated ) {
				return $this->set_root_value( $value );
			} else {
				$root = self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['root_value'];
				$root = $this->multidimensional_replace( $root, $this->id_data['keys'], $value );
				self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['root_value'] = $root;
				return $this->set_root_value( $root );
			}
		} else {
			/**
			 * Fires when the WP_Customize_Setting::update() method is called for settings
			 * not handled as theme_mods or options.
			 *
			 * The dynamic portion of the hook name, `$this->type`, refers to the type of setting.
			 *
			 * @since 3.4.0
			 *
			 * @param mixed                $value Value of the setting.
			 * @param WP_Customize_Setting $this  WP_Customize_Setting instance.
			 */
			do_action( "customize_update_{$this->type}", $value, $this );

return has_action( "customize_update_{$this->type}" );
		}
	}

/**
	 * Deprecated method.
	 *
	 * @since 3.4.0
	 * @deprecated 4.4.0 Deprecated in favor of update() method.
	 */
	protected function _update_theme_mod() {
		_deprecated_function( __METHOD__, '4.4.0', __CLASS__ . '::update()' );
	}

/**
	 * Deprecated method.
	 *
	 * @since 3.4.0
	 * @deprecated 4.4.0 Deprecated in favor of update() method.
	 */
	protected function _update_option() {
		_deprecated_function( __METHOD__, '4.4.0', __CLASS__ . '::update()' );
	}

/**
	 * Fetch the value of the setting.
	 *
	 * @since 3.4.0
	 *
	 * @return mixed The value.
	 */
	public function value() {
		$id_base = $this->id_data['base'];
		$is_core_type = ( 'option' === $this->type || 'theme_mod' === $this->type );

if ( ! $is_core_type && ! $this->is_multidimensional_aggregated ) {

// Use post value if previewed and a post value is present.
			if ( $this->is_previewed ) {
				$value = $this->post_value( null );
				if ( null !== $value ) {
					return $value;
				}
			}

$value = $this->get_root_value( $this->default );

/**
			 * Filters a Customize setting value not handled as a theme_mod or option.
			 *
			 * The dynamic portion of the hook name, `$id_base`, refers to
			 * the base slug of the setting name, initialized from `$this->id_data['base']`.
			 *
			 * For settings handled as theme_mods or options, see those corresponding
			 * functions for available hooks.
			 *
			 * @since 3.4.0
			 * @since 4.6.0 Added the `$this` setting instance as the second parameter.
			 *
			 * @param mixed                $default The setting default value. Default empty.
			 * @param WP_Customize_Setting $this    The setting instance.
			 */
			$value = apply_filters( "customize_value_{$id_base}", $value, $this );
		} elseif ( $this->is_multidimensional_aggregated ) {
			$root_value = self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['root_value'];
			$value = $this->multidimensional_get( $root_value, $this->id_data['keys'], $this->default );

// Ensure that the post value is used if the setting is previewed, since preview filters aren't applying on cached $root_value.
			if ( $this->is_previewed ) {
				$value = $this->post_value( $value );
			}
		} else {
			$value = $this->get_root_value( $this->default );
		}
		return $value;
	}

/**
	 * Sanitize the setting's value for use in JavaScript.
	 *
	 * @since 3.4.0
	 *
	 * @return mixed The requested escaped value.
	 */
	public function js_value() {

/**
		 * Filters a Customize setting value for use in JavaScript.
		 *
		 * The dynamic portion of the hook name, `$this->id`, refers to the setting ID.
		 *
		 * @since 3.4.0
		 *
		 * @param mixed                $value The setting value.
		 * @param WP_Customize_Setting $this  WP_Customize_Setting instance.
		 */
		$value = apply_filters( "customize_sanitize_js_{$this->id}", $this->value(), $this );

if ( is_string( $value ) )
			return html_entity_decode( $value, ENT_QUOTES, 'UTF-8');

return $value;
	}

/**
	 * Retrieves the data to export to the client via JSON.
	 *
	 * @since 4.6.0
	 *
	 * @return array Array of parameters passed to JavaScript.
	 */
	public function json() {
		return array(
			'value'     => $this->js_value(),
			'transport' => $this->transport,
			'dirty'     => $this->dirty,
			'type'      => $this->type,
		);
	}

/**
	 * Validate user capabilities whether the theme supports the setting.
	 *
	 * @since 3.4.0
	 *
	 * @return bool False if theme doesn't support the setting or user can't change setting, otherwise true.
	 */
	final public function check_capabilities() {
		if ( $this->capability && ! call_user_func_array( 'current_user_can', (array) $this->capability ) )
			return false;

if ( $this->theme_supports && ! call_user_func_array( 'current_theme_supports', (array) $this->theme_supports ) )
			return false;

return true;
	}

/**
	 * Multidimensional helper function.
	 *
	 * @since 3.4.0
	 *
	 * @param $root
	 * @param $keys
	 * @param bool $create Default is false.
	 * @return array|void Keys are 'root', 'node', and 'key'.
	 */
	final protected function multidimensional( &$root, $keys, $create = false ) {
		if ( $create && empty( $root ) )
			$root = array();

if ( ! isset( $root ) || empty( $keys ) )
			return;

$last = array_pop( $keys );
		$node = &$root;

foreach ( $keys as $key ) {
			if ( $create && ! isset( $node[ $key ] ) )
				$node[ $key ] = array();

if ( ! is_array( $node ) || ! isset( $node[ $key ] ) )
				return;

$node = &$node[ $key ];
		}

if ( $create ) {
			if ( ! is_array( $node ) ) {
				// account for an array overriding a string or object value
				$node = array();
			}
			if ( ! isset( $node[ $last ] ) ) {
				$node[ $last ] = array();
			}
		}

if ( ! isset( $node[ $last ] ) )
			return;

return array(
			'root' => &$root,
			'node' => &$node,
			'key'  => $last,
		);
	}

/**
	 * Will attempt to replace a specific value in a multidimensional array.
	 *
	 * @since 3.4.0
	 *
	 * @param $root
	 * @param $keys
	 * @param mixed $value The value to update.
	 * @return mixed
	 */
	final protected function multidimensional_replace( $root, $keys, $value ) {
		if ( ! isset( $value ) )
			return $root;
		elseif ( empty( $keys ) ) // If there are no keys, we're replacing the root.
			return $value;

$result = $this->multidimensional( $root, $keys, true );

if ( isset( $result ) )
			$result['node'][ $result['key'] ] = $value;

return $root;
	}

/**
	 * Will attempt to fetch a specific value from a multidimensional array.
	 *
	 * @since 3.4.0
	 *
	 * @param $root
	 * @param $keys
	 * @param mixed $default A default value which is used as a fallback. Default is null.
	 * @return mixed The requested value or the default value.
	 */
	final protected function multidimensional_get( $root, $keys, $default = null ) {
		if ( empty( $keys ) ) // If there are no keys, test the root.
			return isset( $root ) ? $root : $default;

$result = $this->multidimensional( $root, $keys );
		return isset( $result ) ? $result['node'][ $result['key'] ] : $default;
	}

/**
	 * Will attempt to check if a specific value in a multidimensional array is set.
	 *
	 * @since 3.4.0
	 *
	 * @param $root
	 * @param $keys
	 * @return bool True if value is set, false if not.
	 */
	final protected function multidimensional_isset( $root, $keys ) {
		$result = $this->multidimensional_get( $root, $keys );
		return isset( $result );
	}
}

/**
 * WP_Customize_Filter_Setting class.
 */
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-filter-setting.php' );

/**
 * WP_Customize_Header_Image_Setting class.
 */
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-header-image-setting.php' );

/**
 * WP_Customize_Background_Image_Setting class.
 */
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-background-image-setting.php' );

/**
 * WP_Customize_Nav_Menu_Item_Setting class.
 */
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-item-setting.php' );

/**
 * WP_Customize_Nav_Menu_Setting class.
 */
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-setting.php' );

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Code Editor : class-wp-customize-setting.php