public $manager;
/**
+ * Unique string identifier for the setting.
+ *
* @access public
* @var string
*/
*/
public $dirty = false;
+ /**
+ * @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
+ * @access protected
+ * @var array
+ * @static
+ */
+ 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.
*
public function __construct( $manager, $id, $args = array() ) {
$keys = array_keys( get_object_vars( $this ) );
foreach ( $keys as $key ) {
- if ( isset( $args[ $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' ] );
+ $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 ( ! empty( $this->id_data[ 'keys' ] ) ) {
+ $this->id .= '[' . implode( '][', $this->id_data['keys'] ) . ']';
+ }
- if ( $this->sanitize_callback )
+ if ( $this->sanitize_callback ) {
add_filter( "customize_sanitize_{$this->id}", $this->sanitize_callback, 10, 2 );
-
- if ( $this->sanitize_js_callback )
+ }
+ 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'];
+ }
+ }
}
/**
- * The ID for the current blog when the preview() method was called.
+ * Get parsed ID data for multidimensional setting.
+ *
+ * @since 4.4.0
+ * @access public
+ *
+ * @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
+ * @access protected
+ */
+ 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
+ * @access public
+ * @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
protected $_previewed_blog_id;
/**
- * Return true if the current blog is not the same as the previewed blog.
+ * Return true if the current site is not the same as the previewed site.
*
* @since 4.2.0
* @access public
*
- * @return bool|null Returns null if preview() has not been called yet.
+ * @return bool If preview() has been called.
*/
public function is_current_blog_previewed() {
if ( ! isset( $this->_previewed_blog_id ) ) {
- return null;
+ return false;
}
return ( get_current_blog_id() === $this->_previewed_blog_id );
}
protected $_original_value;
/**
- * Handle previewing the setting.
+ * 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.
+ * @access public
+ *
+ * @return bool False when preview short-circuits due no change needing to be previewed.
*/
public function preview() {
- if ( ! isset( $this->_original_value ) ) {
- $this->_original_value = $this->value();
- }
if ( ! isset( $this->_previewed_blog_id ) ) {
$this->_previewed_blog_id = get_current_blog_id();
}
- switch( $this->type ) {
+ // 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' :
- add_filter( 'theme_mod_' . $this->id_data[ 'base' ], array( $this, '_preview_filter' ) );
+ 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 ( empty( $this->id_data[ 'keys' ] ) )
- add_filter( 'pre_option_' . $this->id_data[ 'base' ], array( $this, '_preview_filter' ) );
- else {
- add_filter( 'option_' . $this->id_data[ 'base' ], array( $this, '_preview_filter' ) );
- add_filter( 'default_option_' . $this->id_data[ 'base' ], array( $this, '_preview_filter' ) );
+ 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 ] = $this;
}
break;
default :
*/
do_action( "customize_preview_{$this->type}", $this );
}
+
+ $this->is_previewed = true;
+
+ return true;
}
/**
- * Callback function to filter the theme mods and options.
+ * Clear out the previewed-applied flag for a multidimensional-aggregated value whenever its post value is updated.
+ *
+ * This ensures that the new value will get sanitized and used the next time
+ * that `WP_Customize_Setting::_multidimensional_preview_filter()`
+ * is called for this setting.
+ *
+ * @since 4.4.0
+ * @access private
+ * @see WP_Customize_Manager::set_post_value()
+ * @see WP_Customize_Setting::_multidimensional_preview_filter()
+ */
+ final public function _clear_aggregated_multidimensional_preview_applied_flag() {
+ unset( self::$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
- * blog is now not the same blog, then this method does a no-op and returns
+ * site is now not the same site, then this method does a no-op and returns
* the original value.
*
* @since 3.4.0
- * @uses WP_Customize_Setting::multidimensional_replace()
*
* @param mixed $original Old value.
* @return mixed New or old value.
return $original;
}
- $undefined = new stdClass(); // symbol hack
+ $undefined = new stdClass(); // Symbol hack.
$post_value = $this->post_value( $undefined );
- if ( $undefined === $post_value ) {
- $value = $this->_original_value;
- } else {
+ 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 $value;
+ }
+
+ /**
+ * Callback function to filter multidimensional theme mods and options.
+ *
+ * For all multidimensional settings of a given type, the preview filter for
+ * the first setting previewed will be used to apply the values for the others.
+ *
+ * @since 4.4.0
+ * @access private
+ *
+ * @see WP_Customize_Setting::$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;
}
- return $this->multidimensional_replace( $original, $this->id_data['keys'], $value );
+ foreach ( self::$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'];
}
/**
*
* @since 3.4.0
*
- * @return false|null False if cap check fails or value isn't set.
+ * @return false|void False if cap check fails or value isn't set.
*/
final public function save() {
$value = $this->post_value();
*
* @since 3.4.0
*
- * @param mixed $value The value to sanitize.
- * @return mixed Null if an input isn't valid, otherwise the sanitized value.
+ * @param string|array $value The value to sanitize.
+ * @return string|array|null Null if an input isn't valid, otherwise the sanitized value.
*/
public function sanitize( $value ) {
- $value = wp_unslash( $value );
/**
* Filter a Customize setting value in un-slashed form.
}
/**
- * Save the value of the setting, using the related API.
+ * Get the root value for a setting, especially for multidimensional ones.
*
- * @since 3.4.0
+ * @since 4.4.0
+ * @access protected
*
- * @param mixed $value The value to update.
- * @return mixed The result of saving the value.
+ * @param mixed $default Value to return if root does not exist.
+ * @return mixed
*/
- protected function update( $value ) {
- switch( $this->type ) {
- case 'theme_mod' :
- return $this->_update_theme_mod( $value );
-
- case 'option' :
- return $this->_update_option( $value );
-
- default :
+ protected function get_root_value( $default = null ) {
+ $id_base = $this->id_data['base'];
+ if ( 'option' === $this->type ) {
+ return get_option( $id_base, $default );
+ } else if ( 'theme_mod' ) {
+ 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 $default;
+ }
+ }
- /**
- * Fires when the {@see WP_Customize_Setting::update()} method is called for settings
- * not handled as theme_mods or options.
- *
- * The dynamic portion of the hook name, `$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.
- */
- return do_action( 'customize_update_' . $this->type, $value, $this );
+ /**
+ * Set the root value for a setting, especially for multidimensional ones.
+ *
+ * @since 4.4.0
+ * @access protected
+ *
+ * @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 );
+ } else if ( 'theme_mod' ) {
+ 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;
}
}
/**
- * Update the theme mod from the value of the parameter.
+ * Save the value of the setting, using the related API.
*
* @since 3.4.0
*
* @param mixed $value The value to update.
- * @return mixed The result of saving the value.
- */
- protected function _update_theme_mod( $value ) {
- // Handle non-array theme mod.
- if ( empty( $this->id_data[ 'keys' ] ) )
- return set_theme_mod( $this->id_data[ 'base' ], $value );
-
- // Handle array-based theme mod.
- $mods = get_theme_mod( $this->id_data[ 'base' ] );
- $mods = $this->multidimensional_replace( $mods, $this->id_data[ 'keys' ], $value );
- if ( isset( $mods ) )
- return set_theme_mod( $this->id_data[ 'base' ], $mods );
+ * @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( $root );
+ }
+ } else {
+ /**
+ * Fires when the {@see WP_Customize_Setting::update()} method is called for settings
+ * not handled as theme_mods or options.
+ *
+ * The dynamic portion of the hook name, `$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}" );
+ }
}
/**
- * Update the option from the value of the setting.
+ * 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.
*
- * @param mixed $value The value to update.
- * @return bool|null The result of saving the value.
- */
- protected function _update_option( $value ) {
- // Handle non-array option.
- if ( empty( $this->id_data[ 'keys' ] ) )
- return update_option( $this->id_data[ 'base' ], $value );
-
- // Handle array-based options.
- $options = get_option( $this->id_data[ 'base' ] );
- $options = $this->multidimensional_replace( $options, $this->id_data[ 'keys' ], $value );
- if ( isset( $options ) )
- return update_option( $this->id_data[ 'base' ], $options );
+ * @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()' );
}
/**
* @return mixed The value.
*/
public function value() {
- // Get the callback that corresponds to the setting type.
- switch( $this->type ) {
- case 'theme_mod' :
- $function = 'get_theme_mod';
- break;
- case 'option' :
- $function = 'get_option';
- break;
- default :
-
- /**
- * Filter a Customize setting value not handled as a theme_mod or option.
- *
- * The dynamic portion of the hook name, `$this->id_date['base']`, refers to
- * the base slug of the setting name.
- *
- * For settings handled as theme_mods or options, see those corresponding
- * functions for available hooks.
- *
- * @since 3.4.0
- *
- * @param mixed $default The setting default value. Default empty.
- */
- return apply_filters( 'customize_value_' . $this->id_data[ 'base' ], $this->default );
+ $id_base = $this->id_data['base'];
+ $is_core_type = ( 'option' === $this->type || 'theme_mod' === $this->type );
+
+ if ( ! $is_core_type && ! $this->is_multidimensional_aggregated ) {
+ $value = $this->get_root_value( $this->default );
+
+ /**
+ * Filter a Customize setting value not handled as a theme_mod or option.
+ *
+ * The dynamic portion of the hook name, `$this->id_date['base']`, refers to
+ * the base slug of the setting name.
+ *
+ * For settings handled as theme_mods or options, see those corresponding
+ * functions for available hooks.
+ *
+ * @since 3.4.0
+ *
+ * @param mixed $default The setting default value. Default empty.
+ */
+ $value = apply_filters( "customize_value_{$id_base}", $value );
+ } else if ( $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 );
+ } else {
+ $value = $this->get_root_value( $this->default );
}
-
- // Handle non-array value
- if ( empty( $this->id_data[ 'keys' ] ) )
- return $function( $this->id_data[ 'base' ], $this->default );
-
- // Handle array-based value
- $values = $function( $this->id_data[ 'base' ] );
- return $this->multidimensional_get( $values, $this->id_data[ 'keys' ], $this->default );
+ return $value;
}
/**
* @param $root
* @param $keys
* @param bool $create Default is false.
- * @return null|array Keys are 'root', 'node', and 'key'.
+ * @return array|void Keys are 'root', 'node', and 'key'.
*/
final protected function multidimensional( &$root, $keys, $create = false ) {
if ( $create && empty( $root ) )
* @param $root
* @param $keys
* @param mixed $value The value to update.
- * @return
+ * @return mixed
*/
final protected function multidimensional_replace( $root, $keys, $value ) {
if ( ! isset( $value ) )
}
}
-/**
- * A setting that is used to filter a value, but will not save the results.
- *
- * Results should be properly handled using another setting or callback.
- *
- * @since 3.4.0
- *
- * @see WP_Customize_Setting
- */
-class WP_Customize_Filter_Setting extends WP_Customize_Setting {
+/** WP_Customize_Filter_Setting class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-filter-setting.php' );
- /**
- * @since 3.4.0
- */
- public function update( $value ) {}
-}
+/** WP_Customize_Header_Image_Setting class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-header-image-setting.php' );
-/**
- * A setting that is used to filter a value, but will not save the results.
- *
- * Results should be properly handled using another setting or callback.
- *
- * @since 3.4.0
- *
- * @see WP_Customize_Setting
- */
-final class WP_Customize_Header_Image_Setting extends WP_Customize_Setting {
- public $id = 'header_image_data';
-
- /**
- * @since 3.4.0
- *
- * @param $value
- */
- public function update( $value ) {
- global $custom_image_header;
-
- // If the value doesn't exist (removed or random),
- // use the header_image value.
- if ( ! $value )
- $value = $this->manager->get_setting('header_image')->post_value();
-
- if ( is_array( $value ) && isset( $value['choice'] ) )
- $custom_image_header->set_header_image( $value['choice'] );
- else
- $custom_image_header->set_header_image( $value );
- }
-}
+/** WP_Customize_Background_Image_Setting class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-background-image-setting.php' );
-/**
- * Customizer Background Image Setting class.
- *
- * @since 3.4.0
- *
- * @see WP_Customize_Setting
- */
-final class WP_Customize_Background_Image_Setting extends WP_Customize_Setting {
- public $id = 'background_image_thumb';
+/** WP_Customize_Nav_Menu_Item_Setting class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-item-setting.php' );
- /**
- * @since 3.4.0
- *
- * @param $value
- */
- public function update( $value ) {
- remove_theme_mod( 'background_image_thumb' );
- }
-}
+/** WP_Customize_Nav_Menu_Setting class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-setting.php' );