<?php
/**
 * Customize API: WP_Customize_Background_Image_Control class
 *
 * @package WordPress
 * @subpackage Customize
 * @since 4.4.0
 */

/**
 * Customize Background Image Control class.
 *
 * @since 3.4.0
 *
 * @see WP_Customize_Image_Control
 */
class WP_Customize_Background_Image_Control extends WP_Customize_Image_Control {
	public $type = 'background';

	/**
	 * Constructor.
	 *
	 * @since 3.4.0
	 * @uses WP_Customize_Image_Control::__construct()
	 *
	 * @param WP_Customize_Manager $manager Customizer bootstrap instance.
	 */
	public function __construct( $manager ) {
		parent::__construct(
			$manager,
			'background_image',
			array(
				'label'   => __( 'Background Image' ),
				'section' => 'background_image',
			)
		);
	}

	/**
	 * Enqueue control related scripts/styles.
	 *
	 * @since 4.1.0
	 */
	public function enqueue() {
		parent::enqueue();

		$custom_background = get_theme_support( 'custom-background' );
		wp_localize_script(
			'customize-controls',
			'_wpCustomizeBackground',
			array(
				'defaults' => ! empty( $custom_background[0] ) ? $custom_background[0] : array(),
				'nonces'   => array(
					'add' => wp_create_nonce( 'background-add' ),
				),
			)
		);
	}
}


<?php
/**
 * Customize API: WP_Customize_Background_Image_Setting class
 *
 * @package WordPress
 * @subpackage Customize
 * @since 4.4.0
 */

/**
 * 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';

	/**
	 * @since 3.4.0
	 *
	 * @param $value
	 */
	public function update( $value ) {
		remove_theme_mod( 'background_image_thumb' );
	}
}


<?php
/**
 * Customize API: WP_Customize_Background_Position_Control class
 *
 * @package WordPress
 * @subpackage Customize
 * @since 4.7.0
 */

/**
 * Customize Background Position Control class.
 *
 * @since 4.7.0
 *
 * @see WP_Customize_Control
 */
class WP_Customize_Background_Position_Control extends WP_Customize_Control {

	/**
	 * Type.
	 *
	 * @since 4.7.0
	 * @var string
	 */
	public $type = 'background_position';

	/**
	 * Don't render the control content from PHP, as it's rendered via JS on load.
	 *
	 * @since 4.7.0
	 */
	public function render_content() {}

	/**
	 * Render a JS template for the content of the position control.
	 *
	 * @since 4.7.0
	 */
	public function content_template() {
		$options = array(
			array(
				'left top'   => array(
					'label' => __( 'Top Left' ),
					'icon'  => 'dashicons dashicons-arrow-left-alt',
				),
				'center top' => array(
					'label' => __( 'Top' ),
					'icon'  => 'dashicons dashicons-arrow-up-alt',
				),
				'right top'  => array(
					'label' => __( 'Top Right' ),
					'icon'  => 'dashicons dashicons-arrow-right-alt',
				),
			),
			array(
				'left center'   => array(
					'label' => __( 'Left' ),
					'icon'  => 'dashicons dashicons-arrow-left-alt',
				),
				'center center' => array(
					'label' => __( 'Center' ),
					'icon'  => 'background-position-center-icon',
				),
				'right center'  => array(
					'label' => __( 'Right' ),
					'icon'  => 'dashicons dashicons-arrow-right-alt',
				),
			),
			array(
				'left bottom'   => array(
					'label' => __( 'Bottom Left' ),
					'icon'  => 'dashicons dashicons-arrow-left-alt',
				),
				'center bottom' => array(
					'label' => __( 'Bottom' ),
					'icon'  => 'dashicons dashicons-arrow-down-alt',
				),
				'right bottom'  => array(
					'label' => __( 'Bottom Right' ),
					'icon'  => 'dashicons dashicons-arrow-right-alt',
				),
			),
		);
		?>
		<# if ( data.label ) { #>
			{{{ data.label }}}
		<# } #>
		<# if ( data.description ) { #>
			{{{ data.description }}}
		<# } #>

			<fieldset>
				<legend class="screen-reader-text"><?php _e( 'Image Position' ); ?></legend>

				<?php foreach ( $options as $group ) : ?>

					<?php foreach ( $group as $value => $input ) : ?>

							<input class="screen-reader-text" name="background-position" type="radio" value="<?php echo esc_attr( $value ); ?>">
							<span class="<?php echo esc_attr( $input['icon'] ); ?>" aria-hidden="true">
							<?php echo $input['label']; ?>

					<?php endforeach; ?>

				<?php endforeach; ?>

			</fieldset>

		<?php
	}
}


<?php
/**
 * Customize API: WP_Customize_Code_Editor_Control class
 *
 * @package WordPress
 * @subpackage Customize
 * @since 4.9.0
 */

/**
 * Customize Code Editor Control class.
 *
 * @since 4.9.0
 *
 * @see WP_Customize_Control
 */
class WP_Customize_Code_Editor_Control extends WP_Customize_Control {

	/**
	 * Customize control type.
	 *
	 * @since 4.9.0
	 * @var string
	 */
	public $type = 'code_editor';

	/**
	 * Type of code that is being edited.
	 *
	 * @since 4.9.0
	 * @var string
	 */
	public $code_type = '';

	/**
	 * Code editor settings.
	 *
	 * @see wp_enqueue_code_editor()
	 * @since 4.9.0
	 * @var array|false
	 */
	public $editor_settings = array();

	/**
	 * Enqueue control related scripts/styles.
	 *
	 * @since 4.9.0
	 */
	public function enqueue() {
		$this->editor_settings = wp_enqueue_code_editor(
			array_merge(
				array(
					'type'       => $this->code_type,
					'codemirror' => array(
						'indentUnit' => 2,
						'tabSize'    => 2,
					),
				),
				$this->editor_settings
			)
		);
	}

	/**
	 * Refresh the parameters passed to the JavaScript via JSON.
	 *
	 * @since 4.9.0
	 *
	 * @see WP_Customize_Control::json()
	 *
	 * @return array Array of parameters passed to the JavaScript.
	 */
	public function json() {
		$json                    = parent::json();
		$json['editor_settings'] = $this->editor_settings;
		$json['input_attrs']     = $this->input_attrs;
		return $json;
	}

	/**
	 * Don't render the control content from PHP, as it's rendered via JS on load.
	 *
	 * @since 4.9.0
	 */
	public function render_content() {}

	/**
	 * Render a JS template for control display.
	 *
	 * @since 4.9.0
	 */
	public function content_template() {
		?>
		<# var elementIdPrefix = 'el' + String( Math.random() ); #>
		<# if ( data.label ) { #>

				{{ data.label }}

		<# } #>
		<# if ( data.description ) { #>
			{{{ data.description }}}
		<# } #>

		<textarea id="{{ elementIdPrefix }}_editor"
			<# _.each( _.extend( { 'class': 'code' }, data.input_attrs ), function( value, key ) { #>
				{{{ key }}}="{{ value }}"
			<# }); #>
			></textarea>
		<?php
	}
}


<?php
/**
 * Customize API: WP_Customize_Color_Control class
 *
 * @package WordPress
 * @subpackage Customize
 * @since 4.4.0
 */

/**
 * Customize Color Control class.
 *
 * @since 3.4.0
 *
 * @see WP_Customize_Control
 */
class WP_Customize_Color_Control extends WP_Customize_Control {
	/**
	 * Type.
	 *
	 * @var string
	 */
	public $type = 'color';

	/**
	 * Statuses.
	 *
	 * @var array
	 */
	public $statuses;

	/**
	 * Mode.
	 *
	 * @since 4.7.0
	 * @var string
	 */
	public $mode = 'full';

	/**
	 * Constructor.
	 *
	 * @since 3.4.0
	 *
	 * @see WP_Customize_Control::__construct()
	 *
	 * @param WP_Customize_Manager $manager Customizer bootstrap instance.
	 * @param string               $id      Control ID.
	 * @param array                $args    Optional. Arguments to override class property defaults.
	 *                                      See WP_Customize_Control::__construct() for information
	 *                                      on accepted arguments. Default empty array.
	 */
	public function __construct( $manager, $id, $args = array() ) {
		$this->statuses = array( '' => __( 'Default' ) );
		parent::__construct( $manager, $id, $args );
	}

	/**
	 * Enqueue scripts/styles for the color picker.
	 *
	 * @since 3.4.0
	 */
	public function enqueue() {
		wp_enqueue_script( 'wp-color-picker' );
		wp_enqueue_style( 'wp-color-picker' );
	}

	/**
	 * Refresh the parameters passed to the JavaScript via JSON.
	 *
	 * @since 3.4.0
	 * @uses WP_Customize_Control::to_json()
	 */
	public function to_json() {
		parent::to_json();
		$this->json['statuses']     = $this->statuses;
		$this->json['defaultValue'] = $this->setting->default;
		$this->json['mode']         = $this->mode;
	}

	/**
	 * Don't render the control content from PHP, as it's rendered via JS on load.
	 *
	 * @since 3.4.0
	 */
	public function render_content() {}

	/**
	 * Render a JS template for the content of the color picker control.
	 *
	 * @since 4.1.0
	 */
	public function content_template() {
		?>
		<# var defaultValue = '#RRGGBB', defaultValueAttr = '',
			isHueSlider = data.mode === 'hue';
		if ( data.defaultValue && _.isString( data.defaultValue ) && ! isHueSlider ) {
			if ( '#' !== data.defaultValue.substring( 0, 1 ) ) {
				defaultValue = '#' + data.defaultValue;
			} else {
				defaultValue = data.defaultValue;
			}
			defaultValueAttr = ' data-default-color=' + defaultValue; // Quotes added automatically.
		} #>
		<# if ( data.label ) { #>
			{{{ data.label }}}
		<# } #>
		<# if ( data.description ) { #>
			{{{ data.description }}}
		<# } #>

			{{{ data.label }}}
			<# if ( isHueSlider ) { #>
				<input class="color-picker-hue" type="text" data-type="hue" />
			<# } else { #>
				<input class="color-picker-hex" type="text" maxlength="7" placeholder="{{ defaultValue }}" {{ defaultValueAttr }} />
			<# } #>

		<?php
	}
}


<?php
/**
 * Customize API: WP_Customize_Cropped_Image_Control class
 *
 * @package WordPress
 * @subpackage Customize
 * @since 4.4.0
 */

/**
 * Customize Cropped Image Control class.
 *
 * @since 4.3.0
 *
 * @see WP_Customize_Image_Control
 */
class WP_Customize_Cropped_Image_Control extends WP_Customize_Image_Control {

	/**
	 * Control type.
	 *
	 * @since 4.3.0
	 * @var string
	 */
	public $type = 'cropped_image';

	/**
	 * Suggested width for cropped image.
	 *
	 * @since 4.3.0
	 * @var int
	 */
	public $width = 150;

	/**
	 * Suggested height for cropped image.
	 *
	 * @since 4.3.0
	 * @var int
	 */
	public $height = 150;

	/**
	 * Whether the width is flexible.
	 *
	 * @since 4.3.0
	 * @var bool
	 */
	public $flex_width = false;

	/**
	 * Whether the height is flexible.
	 *
	 * @since 4.3.0
	 * @var bool
	 */
	public $flex_height = false;

	/**
	 * Enqueue control related scripts/styles.
	 *
	 * @since 4.3.0
	 */
	public function enqueue() {
		wp_enqueue_script( 'customize-views' );

		parent::enqueue();
	}

	/**
	 * Refresh the parameters passed to the JavaScript via JSON.
	 *
	 * @since 4.3.0
	 *
	 * @see WP_Customize_Control::to_json()
	 */
	public function to_json() {
		parent::to_json();

		$this->json['width']       = absint( $this->width );
		$this->json['height']      = absint( $this->height );
		$this->json['flex_width']  = absint( $this->flex_width );
		$this->json['flex_height'] = absint( $this->flex_height );
	}

}


<?php
/**
 * Customize API: WP_Customize_Custom_CSS_Setting class
 *
 * This handles validation, sanitization and saving of the value.
 *
 * @package WordPress
 * @subpackage Customize
 * @since 4.7.0
 */

/**
 * Custom Setting to handle WP Custom CSS.
 *
 * @since 4.7.0
 *
 * @see WP_Customize_Setting
 */
final class WP_Customize_Custom_CSS_Setting extends WP_Customize_Setting {

	/**
	 * The setting type.
	 *
	 * @since 4.7.0
	 * @var string
	 */
	public $type = 'custom_css';

	/**
	 * Setting Transport
	 *
	 * @since 4.7.0
	 * @var string
	 */
	public $transport = 'postMessage';

	/**
	 * Capability required to edit this setting.
	 *
	 * @since 4.7.0
	 * @var string
	 */
	public $capability = 'edit_css';

	/**
	 * Stylesheet
	 *
	 * @since 4.7.0
	 * @var string
	 */
	public $stylesheet = '';

	/**
	 * WP_Customize_Custom_CSS_Setting constructor.
	 *
	 * @since 4.7.0
	 *
	 * @throws Exception If the setting ID does not match the pattern `custom_css[$stylesheet]`.
	 *
	 * @param WP_Customize_Manager $manager Customizer bootstrap instance.
	 * @param string               $id      A 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() ) {
		parent::__construct( $manager, $id, $args );
		if ( 'custom_css' !== $this->id_data['base'] ) {
			throw new Exception( 'Expected custom_css id_base.' );
		}
		if ( 1 !== count( $this->id_data['keys'] ) || empty( $this->id_data['keys'][0] ) ) {
			throw new Exception( 'Expected single stylesheet key.' );
		}
		$this->stylesheet = $this->id_data['keys'][0];
	}

	/**
	 * Add filter to preview post value.
	 *
	 * @since 4.7.9
	 *
	 * @return bool False when preview short-circuits due no change needing to be previewed.
	 */
	public function preview() {
		if ( $this->is_previewed ) {
			return false;
		}
		$this->is_previewed = true;
		add_filter( 'wp_get_custom_css', array( $this, 'filter_previewed_wp_get_custom_css' ), 9, 2 );
		return true;
	}

	/**
	 * Filter `wp_get_custom_css` for applying the customized value.
	 *
	 * This is used in the preview when `wp_get_custom_css()` is called for rendering the styles.
	 *
	 * @since 4.7.0
	 *
	 * @see wp_get_custom_css()
	 *
	 * @param string $css        Original CSS.
	 * @param string $stylesheet Current stylesheet.
	 * @return string CSS.
	 */
	public function filter_previewed_wp_get_custom_css( $css, $stylesheet ) {
		if ( $stylesheet === $this->stylesheet ) {
			$customized_value = $this->post_value( null );
			if ( ! is_null( $customized_value ) ) {
				$css = $customized_value;
			}
		}
		return $css;
	}

	/**
	 * Fetch the value of the setting. Will return the previewed value when `preview()` is called.
	 *
	 * @since 4.7.0
	 *
	 * @see WP_Customize_Setting::value()
	 *
	 * @return string
	 */
	public function value() {
		if ( $this->is_previewed ) {
			$post_value = $this->post_value( null );
			if ( null !== $post_value ) {
				return $post_value;
			}
		}
		$id_base = $this->id_data['base'];
		$value   = '';
		$post    = wp_get_custom_css_post( $this->stylesheet );
		if ( $post ) {
			$value = $post->post_content;
		}
		if ( empty( $value ) ) {
			$value = $this->default;
		}

		/** This filter is documented in wp-includes/class-wp-customize-setting.php */
		$value = apply_filters( "customize_value_{$id_base}", $value, $this );

		return $value;
	}

	/**
	 * Validate CSS.
	 *
	 * Checks for imbalanced braces, brackets, and comments.
	 * Notifications are rendered when the customizer state is saved.
	 *
	 * @since 4.7.0
	 * @since 4.9.0 Checking for balanced characters has been moved client-side via linting in code editor.
	 *
	 * @param string $css The input string.
	 * @return true|WP_Error True if the input was validated, otherwise WP_Error.
	 */
	public function validate( $css ) {
		$validity = new WP_Error();

		if ( preg_match( '#</?\w+#', $css ) ) {
			$validity->add( 'illegal_markup', __( 'Markup is not allowed in CSS.' ) );
		}

		if ( ! $validity->has_errors() ) {
			$validity = parent::validate( $css );
		}
		return $validity;
	}

	/**
	 * Store the CSS setting value in the custom_css custom post type for the stylesheet.
	 *
	 * @since 4.7.0
	 *
	 * @param string $css The input value.
	 * @return int|false The post ID or false if the value could not be saved.
	 */
	public function update( $css ) {
		if ( empty( $css ) ) {
			$css = '';
		}

		$r = wp_update_custom_css_post(
			$css,
			array(
				'stylesheet' => $this->stylesheet,
			)
		);

		if ( $r instanceof WP_Error ) {
			return false;
		}
		$post_id = $r->ID;

		// Cache post ID in theme mod for performance to avoid additional DB query.
		if ( $this->manager->get_stylesheet() === $this->stylesheet ) {
			set_theme_mod( 'custom_css_post_id', $post_id );
		}

		return $post_id;
	}
}


<?php
/**
 * Customize API: WP_Customize_Date_Time_Control class
 *
 * @package WordPress
 * @subpackage Customize
 * @since 4.9.0
 */

/**
 * Customize Date Time Control class.
 *
 * @since 4.9.0
 *
 * @see WP_Customize_Control
 */
class WP_Customize_Date_Time_Control extends WP_Customize_Control {

	/**
	 * Customize control type.
	 *
	 * @since 4.9.0
	 * @var string
	 */
	public $type = 'date_time';

	/**
	 * Minimum Year.
	 *
	 * @since 4.9.0
	 * @var integer
	 */
	public $min_year = 1000;

	/**
	 * Maximum Year.
	 *
	 * @since 4.9.0
	 * @var integer
	 */
	public $max_year = 9999;

	/**
	 * Allow past date, if set to false user can only select future date.
	 *
	 * @since 4.9.0
	 * @var boolean
	 */
	public $allow_past_date = true;

	/**
	 * Whether hours, minutes, and meridian should be shown.
	 *
	 * @since 4.9.0
	 * @var boolean
	 */
	public $include_time = true;

	/**
	 * If set to false the control will appear in 24 hour format,
	 * the value will still be saved in Y-m-d H:i:s format.
	 *
	 * @since 4.9.0
	 * @var boolean
	 */
	public $twelve_hour_format = true;

	/**
	 * Don't render the control's content - it's rendered with a JS template.
	 *
	 * @since 4.9.0
	 */
	public function render_content() {}

	/**
	 * Export data to JS.
	 *
	 * @since 4.9.0
	 * @return array
	 */
	public function json() {
		$data = parent::json();

		$data['maxYear']          = intval( $this->max_year );
		$data['minYear']          = intval( $this->min_year );
		$data['allowPastDate']    = (bool) $this->allow_past_date;
		$data['twelveHourFormat'] = (bool) $this->twelve_hour_format;
		$data['includeTime']      = (bool) $this->include_time;

		return $data;
	}

	/**
	 * Renders a JS template for the content of date time control.
	 *
	 * @since 4.9.0
	 */
	public function content_template() {
		$data          = array_merge( $this->json(), $this->get_month_choices() );
		$timezone_info = $this->get_timezone_info();

		$date_format = get_option( 'date_format' );
		$date_format = preg_replace( '/(?<!\\\\)[Yyo]/', '%1$s', $date_format );
		$date_format = preg_replace( '/(?<!\\\\)[FmMn]/', '%2$s', $date_format );
		$date_format = preg_replace( '/(?<!\\\\)[jd]/', '%3$s', $date_format );

		// Fallback to ISO date format if year, month, or day are missing from the date format.
		if ( 1 !== substr_count( $date_format, '%1$s' ) || 1 !== substr_count( $date_format, '%2$s' ) || 1 !== substr_count( $date_format, '%3$s' ) ) {
			$date_format = '%1$s-%2$s-%3$s';
		}
		?>

		<# _.defaults( data, <?php echo wp_json_encode( $data ); ?> ); #>
		<# var idPrefix = _.uniqueId( 'el' ) + '-'; #>

		<# if ( data.label ) { #>

				{{ data.label }}

		<# } #>

		<# if ( data.description ) { #>
			{{ data.description }}
		<# } #>

			<fieldset class="day-row">
				<legend class="title-day {{ ! data.includeTime ? 'screen-reader-text' : '' }}"><?php esc_html_e( 'Date' ); ?></legend>

					<?php ob_start(); ?>
					<?php esc_html_e( 'Month' ); ?>
					<select id="{{ idPrefix }}date-time-month" class="date-input month" data-component="month">
						<# _.each( data.month_choices, function( choice ) {
							if ( _.isObject( choice ) && ! _.isUndefined( choice.text ) && ! _.isUndefined( choice.value ) ) {
								text = choice.text;
								value = choice.value;
							}
							#>
							<option value="{{ value }}" >
								{{ text }}
							</option>
						<# } ); #>
					</select>
					<?php $month_field = trim( ob_get_clean() ); ?>

					<?php ob_start(); ?>
					<?php esc_html_e( 'Day' ); ?>
					<input id="{{ idPrefix }}date-time-day" type="number" size="2" autocomplete="off" class="date-input day" data-component="day" min="1" max="31" />
					<?php $day_field = trim( ob_get_clean() ); ?>

					<?php ob_start(); ?>
					<?php esc_html_e( 'Year' ); ?>
					<input id="{{ idPrefix }}date-time-year" type="number" size="4" autocomplete="off" class="date-input year" data-component="year" min="{{ data.minYear }}" max="{{ data.maxYear }}">
					<?php $year_field = trim( ob_get_clean() ); ?>

					<?php printf( $date_format, $year_field, $month_field, $day_field ); ?>

			</fieldset>
			<# if ( data.includeTime ) { #>
				<fieldset class="time-row clear">
					<legend class="title-time"><?php esc_html_e( 'Time' ); ?></legend>

						<?php esc_html_e( 'Hour' ); ?>
						<# var maxHour = data.twelveHourFormat ? 12 : 23; #>
						<# var minHour = data.twelveHourFormat ? 1 : 0; #>
						<input id="{{ idPrefix }}date-time-hour" type="number" size="2" autocomplete="off" class="date-input hour" data-component="hour" min="{{ minHour }}" max="{{ maxHour }}">
						:
						<?php esc_html_e( 'Minute' ); ?>
						<input id="{{ idPrefix }}date-time-minute" type="number" size="2" autocomplete="off" class="date-input minute" data-component="minute" min="0" max="59">
						<# if ( data.twelveHourFormat ) { #>
							<?php esc_html_e( 'Meridian' ); ?>
							<select id="{{ idPrefix }}date-time-meridian" class="date-input meridian" data-component="meridian">
								<option value="am"><?php esc_html_e( 'AM' ); ?></option>
								<option value="pm"><?php esc_html_e( 'PM' ); ?></option>
							</select>
						<# } #>

<?php echo $timezone_info['description']; ?>

				</fieldset>
			<# } #>

		<?php
	}

	/**
	 * Generate options for the month Select.
	 *
	 * Based on touch_time().
	 *
	 * @since 4.9.0
	 *
	 * @see touch_time()
	 *
	 * @global WP_Locale $wp_locale WordPress date and time locale object.
	 *
	 * @return array
	 */
	public function get_month_choices() {
		global $wp_locale;
		$months = array();
		for ( $i = 1; $i < 13; $i++ ) {
			$month_text = $wp_locale->get_month_abbrev( $wp_locale->get_month( $i ) );

			/* translators: 1: Month number (01, 02, etc.), 2: Month abbreviation. */
			$months[ $i ]['text']  = sprintf( __( '%1$s-%2$s' ), $i, $month_text );
			$months[ $i ]['value'] = $i;
		}
		return array(
			'month_choices' => $months,
		);
	}

	/**
	 * Get timezone info.
	 *
	 * @since 4.9.0
	 *
	 * @return array abbr and description.
	 */
	public function get_timezone_info() {
		$tz_string     = get_option( 'timezone_string' );
		$timezone_info = array();

		if ( $tz_string ) {
			try {
				$tz = new DateTimezone( $tz_string );
			} catch ( Exception $e ) {
				$tz = '';
			}

			if ( $tz ) {
				$now                   = new DateTime( 'now', $tz );
				$formatted_gmt_offset  = $this->format_gmt_offset( $tz->getOffset( $now ) / 3600 );
				$tz_name               = str_replace( '_', ' ', $tz->getName() );
				$timezone_info['abbr'] = $now->format( 'T' );

				$timezone_info['description'] = sprintf(
					/* translators: 1: Timezone name, 2: Timezone abbreviation, 3: UTC abbreviation and offset, 4: UTC offset. */
					__( 'Your timezone is set to %1$s (%2$s), currently %3$s (Coordinated Universal Time %4$s).' ),
					$tz_name,
					'' . $timezone_info['abbr'] . '',
					'UTC' . $formatted_gmt_offset,
					$formatted_gmt_offset
				);
			} else {
				$timezone_info['description'] = '';
			}
		} else {
			$formatted_gmt_offset = $this->format_gmt_offset( intval( get_option( 'gmt_offset', 0 ) ) );

			$timezone_info['description'] = sprintf(
				/* translators: 1: UTC abbreviation and offset, 2: UTC offset. */
				__( 'Your timezone is set to %1$s (Coordinated Universal Time %2$s).' ),
				'UTC' . $formatted_gmt_offset,
				$formatted_gmt_offset
			);
		}

		return $timezone_info;
	}

	/**
	 * Format GMT Offset.
	 *
	 * @since 4.9.0
	 *
	 * @see wp_timezone_choice()
	 *
	 * @param float $offset Offset in hours.
	 * @return string Formatted offset.
	 */
	public function format_gmt_offset( $offset ) {
		if ( 0 <= $offset ) {
			$formatted_offset = '+' . (string) $offset;
		} else {
			$formatted_offset = (string) $offset;
		}
		$formatted_offset = str_replace(
			array( '.25', '.5', '.75' ),
			array( ':15', ':30', ':45' ),
			$formatted_offset
		);
		return $formatted_offset;
	}
}


<?php
/**
 * Customize API: WP_Customize_Filter_Setting class
 *
 * @package WordPress
 * @subpackage Customize
 * @since 4.4.0
 */

/**
 * 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 {

	/**
	 * Saves the value of the setting, using the related API.
	 *
	 * @since 3.4.0
	 *
	 * @param mixed $value The value to update.
	 */
	public function update( $value ) {}
}


<?php
/**
 * Customize API: WP_Customize_Header_Image_Control class
 *
 * @package WordPress
 * @subpackage Customize
 * @since 4.4.0
 */

/**
 * Customize Header Image Control class.
 *
 * @since 3.4.0
 *
 * @see WP_Customize_Image_Control
 */
class WP_Customize_Header_Image_Control extends WP_Customize_Image_Control {
	/**
	 * Customize control type.
	 *
	 * @since 4.2.0
	 * @var string
	 */
	public $type = 'header';

	/**
	 * Uploaded header images.
	 *
	 * @since 3.9.0
	 * @var string
	 */
	public $uploaded_headers;

	/**
	 * Default header images.
	 *
	 * @since 3.9.0
	 * @var string
	 */
	public $default_headers;

	/**
	 * Constructor.
	 *
	 * @since 3.4.0
	 *
	 * @param WP_Customize_Manager $manager Customizer bootstrap instance.
	 */
	public function __construct( $manager ) {
		parent::__construct(
			$manager,
			'header_image',
			array(
				'label'    => __( 'Header Image' ),
				'settings' => array(
					'default' => 'header_image',
					'data'    => 'header_image_data',
				),
				'section'  => 'header_image',
				'removed'  => 'remove-header',
				'get_url'  => 'get_header_image',
			)
		);

	}

	/**
	 */
	public function enqueue() {
		wp_enqueue_media();
		wp_enqueue_script( 'customize-views' );

		$this->prepare_control();

		wp_localize_script(
			'customize-views',
			'_wpCustomizeHeader',
			array(
				'data'     => array(
					'width'         => absint( get_theme_support( 'custom-header', 'width' ) ),
					'height'        => absint( get_theme_support( 'custom-header', 'height' ) ),
					'flex-width'    => absint( get_theme_support( 'custom-header', 'flex-width' ) ),
					'flex-height'   => absint( get_theme_support( 'custom-header', 'flex-height' ) ),
					'currentImgSrc' => $this->get_current_image_src(),
				),
				'nonces'   => array(
					'add'    => wp_create_nonce( 'header-add' ),
					'remove' => wp_create_nonce( 'header-remove' ),
				),
				'uploads'  => $this->uploaded_headers,
				'defaults' => $this->default_headers,
			)
		);

		parent::enqueue();
	}

	/**
	 * @global Custom_Image_Header $custom_image_header
	 */
	public function prepare_control() {
		global $custom_image_header;
		if ( empty( $custom_image_header ) ) {
			return;
		}

		add_action( 'customize_controls_print_footer_scripts', array( $this, 'print_header_image_template' ) );

		// Process default headers and uploaded headers.
		$custom_image_header->process_default_headers();
		$this->default_headers  = $custom_image_header->get_default_header_images();
		$this->uploaded_headers = $custom_image_header->get_uploaded_header_images();
	}

	/**
	 */
	public function print_header_image_template() {
		?>

		<?php
	}

	/**
	 * @return string|void
	 */
	public function get_current_image_src() {
		$src = $this->value();
		if ( isset( $this->get_url ) ) {
			$src = call_user_func( $this->get_url, $src );
			return $src;
		}
	}

	/**
	 */
	public function render_content() {
		$visibility = $this->get_current_image_src() ? '' : ' style="display:none" ';
		$width      = absint( get_theme_support( 'custom-header', 'width' ) );
		$height     = absint( get_theme_support( 'custom-header', 'height' ) );
		?>

			<?php
			if ( current_theme_supports( 'custom-header', 'video' ) ) {
				echo '' . $this->label . '';
			}
			?>

				<?php
				if ( current_theme_supports( 'custom-header', 'video' ) ) {
					_e( 'Click “Add new image” to upload an image file from your computer. Your theme works best with an image that matches the size of your video — you’ll be able to crop your image once you upload it for a perfect fit.' );
				} elseif ( $width && $height ) {
					printf(
						/* translators: %s: Header size in pixels. */
						__( 'Click “Add new image” to upload an image file from your computer. Your theme works best with an image with a header size of %s pixels — you’ll be able to crop your image once you upload it for a perfect fit.' ),
						sprintf( '%s × %s', $width, $height )
					);
				} elseif ( $width ) {
					printf(
						/* translators: %s: Header width in pixels. */
						__( 'Click “Add new image” to upload an image file from your computer. Your theme works best with an image with a header width of %s pixels — you’ll be able to crop your image once you upload it for a perfect fit.' ),
						sprintf( '%s', $width )
					);
				} else {
					printf(
						/* translators: %s: Header height in pixels. */
						__( 'Click “Add new image” to upload an image file from your computer. Your theme works best with an image with a header height of %s pixels — you’ll be able to crop your image once you upload it for a perfect fit.' ),
						sprintf( '%s', $height )
					);
				}
				?>

						<?php _e( 'Current header' ); ?>

				<?php if ( current_user_can( 'upload_files' ) ) : ?>
				<button type="button"<?php echo $visibility; ?> class="button remove" aria-label="<?php esc_attr_e( 'Hide header image' ); ?>"><?php _e( 'Hide image' ); ?></button>
				<button type="button" class="button new" id="header_image-button" aria-label="<?php esc_attr_e( 'Add new header image' ); ?>"><?php _e( 'Add new image' ); ?></button>
				<?php endif; ?>

					<?php _ex( 'Previously uploaded', 'custom headers' ); ?>

					<?php _ex( 'Suggested', 'custom headers' ); ?>

		<?php
	}
}


<?php
/**
 * Customize API: WP_Customize_Header_Image_Setting class
 *
 * @package WordPress
 * @subpackage Customize
 * @since 4.4.0
 */

/**
 * 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
	 *
	 * @global Custom_Image_Header $custom_image_header
	 *
	 * @param $value
	 */
	public function update( $value ) {
		global $custom_image_header;

		// If _custom_header_background_just_in_time() fails to initialize $custom_image_header when not is_admin().
		if ( empty( $custom_image_header ) ) {
			require_once ABSPATH . 'wp-admin/includes/class-custom-image-header.php';
			$args                   = get_theme_support( 'custom-header' );
			$admin_head_callback    = isset( $args[0]['admin-head-callback'] ) ? $args[0]['admin-head-callback'] : null;
			$admin_preview_callback = isset( $args[0]['admin-preview-callback'] ) ? $args[0]['admin-preview-callback'] : null;
			$custom_image_header    = new Custom_Image_Header( $admin_head_callback, $admin_preview_callback );
		}

		// 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 );
		}
	}
}


<?php
/**
 * Customize API: WP_Customize_Image_Control class
 *
 * @package WordPress
 * @subpackage Customize
 * @since 4.4.0
 */

/**
 * Customize Image Control class.
 *
 * @since 3.4.0
 *
 * @see WP_Customize_Upload_Control
 */
class WP_Customize_Image_Control extends WP_Customize_Upload_Control {
	public $type      = 'image';
	public $mime_type = 'image';

	/**
	 * @since 3.4.2
	 * @deprecated 4.1.0
	 */
	public function prepare_control() {}

	/**
	 * @since 3.4.0
	 * @deprecated 4.1.0
	 *
	 * @param string $id
	 * @param string $label
	 * @param mixed  $callback
	 */
	public function add_tab( $id, $label, $callback ) {
		_deprecated_function( __METHOD__, '4.1.0' );
	}

	/**
	 * @since 3.4.0
	 * @deprecated 4.1.0
	 *
	 * @param string $id
	 */
	public function remove_tab( $id ) {
		_deprecated_function( __METHOD__, '4.1.0' );
	}

	/**
	 * @since 3.4.0
	 * @deprecated 4.1.0
	 *
	 * @param string $url
	 * @param string $thumbnail_url
	 */
	public function print_tab_image( $url, $thumbnail_url = null ) {
		_deprecated_function( __METHOD__, '4.1.0' );
	}
}


<?php
/**
 * Customize API: WP_Customize_Media_Control class
 *
 * @package WordPress
 * @subpackage Customize
 * @since 4.4.0
 */

/**
 * Customize Media Control class.
 *
 * @since 4.2.0
 *
 * @see WP_Customize_Control
 */
class WP_Customize_Media_Control extends WP_Customize_Control {
	/**
	 * Control type.
	 *
	 * @since 4.2.0
	 * @var string
	 */
	public $type = 'media';

	/**
	 * Media control mime type.
	 *
	 * @since 4.2.0
	 * @var string
	 */
	public $mime_type = '';

	/**
	 * Button labels.
	 *
	 * @since 4.2.0
	 * @var array
	 */
	public $button_labels = array();

	/**
	 * Constructor.
	 *
	 * @since 4.1.0
	 * @since 4.2.0 Moved from WP_Customize_Upload_Control.
	 *
	 * @see WP_Customize_Control::__construct()
	 *
	 * @param WP_Customize_Manager $manager Customizer bootstrap instance.
	 * @param string               $id      Control ID.
	 * @param array                $args    Optional. Arguments to override class property defaults.
	 *                                      See WP_Customize_Control::__construct() for information
	 *                                      on accepted arguments. Default empty array.
	 */
	public function __construct( $manager, $id, $args = array() ) {
		parent::__construct( $manager, $id, $args );

		$this->button_labels = wp_parse_args( $this->button_labels, $this->get_default_button_labels() );
	}

	/**
	 * Enqueue control related scripts/styles.
	 *
	 * @since 3.4.0
	 * @since 4.2.0 Moved from WP_Customize_Upload_Control.
	 */
	public function enqueue() {
		wp_enqueue_media();
	}

	/**
	 * Refresh the parameters passed to the JavaScript via JSON.
	 *
	 * @since 3.4.0
	 * @since 4.2.0 Moved from WP_Customize_Upload_Control.
	 *
	 * @see WP_Customize_Control::to_json()
	 */
	public function to_json() {
		parent::to_json();
		$this->json['label']         = html_entity_decode( $this->label, ENT_QUOTES, get_bloginfo( 'charset' ) );
		$this->json['mime_type']     = $this->mime_type;
		$this->json['button_labels'] = $this->button_labels;
		$this->json['canUpload']     = current_user_can( 'upload_files' );

		$value = $this->value();

		if ( is_object( $this->setting ) ) {
			if ( $this->setting->default ) {
				// Fake an attachment model - needs all fields used by template.
				// Note that the default value must be a URL, NOT an attachment ID.
				$ext  = substr( $this->setting->default, -3 );
				$type = in_array( $ext, array( 'jpg', 'png', 'gif', 'bmp' ), true ) ? 'image' : 'document';

				$default_attachment = array(
					'id'    => 1,
					'url'   => $this->setting->default,
					'type'  => $type,
					'icon'  => wp_mime_type_icon( $type ),
					'title' => wp_basename( $this->setting->default ),
				);

				if ( 'image' === $type ) {
					$default_attachment['sizes'] = array(
						'full' => array( 'url' => $this->setting->default ),
					);
				}

				$this->json['defaultAttachment'] = $default_attachment;
			}

			if ( $value && $this->setting->default && $value === $this->setting->default ) {
				// Set the default as the attachment.
				$this->json['attachment'] = $this->json['defaultAttachment'];
			} elseif ( $value ) {
				$this->json['attachment'] = wp_prepare_attachment_for_js( $value );
			}
		}
	}

	/**
	 * Don't render any content for this control from PHP.
	 *
	 * @since 3.4.0
	 * @since 4.2.0 Moved from WP_Customize_Upload_Control.
	 *
	 * @see WP_Customize_Media_Control::content_template()
	 */
	public function render_content() {}

	/**
	 * Render a JS template for the content of the media control.
	 *
	 * @since 4.1.0
	 * @since 4.2.0 Moved from WP_Customize_Upload_Control.
	 */
	public function content_template() {
		?>
		<#
		var descriptionId = _.uniqueId( 'customize-media-control-description-' );
		var describedByAttr = data.description ? ' aria-describedby="' + descriptionId + '" ' : '';
		#>
		<# if ( data.label ) { #>
			{{ data.label }}
		<# } #>

		<# if ( data.description ) { #>
			{{{ data.description }}}
		<# } #>

		<# if ( data.attachment && data.attachment.id ) { #>

					<# if ( 'image' === data.attachment.type && data.attachment.sizes && data.attachment.sizes.medium ) { #>

					<# } else if ( 'image' === data.attachment.type && data.attachment.sizes && data.attachment.sizes.full ) { #>

					<# } else if ( 'audio' === data.attachment.type ) { #>
						<# if ( data.attachment.image && data.attachment.image.src && data.attachment.image.src !== data.attachment.icon ) { #>

						<# } else { #>

						<# } #>

“{{ data.attachment.title }}”

						<# if ( data.attachment.album || data.attachment.meta.album ) { #>

{{ data.attachment.album || data.attachment.meta.album }}

						<# } #>
						<# if ( data.attachment.artist || data.attachment.meta.artist ) { #>

{{ data.attachment.artist || data.attachment.meta.artist }}

						<# } #>
						<audio style="visibility: hidden" controls class="wp-audio-shortcode" width="100%" preload="none">
							<source type="{{ data.attachment.mime }}" src="{{ data.attachment.url }}"/>
						</audio>
					<# } else if ( 'video' === data.attachment.type ) { #>

							<video controls="controls" class="wp-video-shortcode" preload="metadata"
								<# if ( data.attachment.image && data.attachment.image.src !== data.attachment.icon ) { #>poster="{{ data.attachment.image.src }}"<# } #>>
								<source type="{{ data.attachment.mime }}" src="{{ data.attachment.url }}"/>
							</video>

					<# } else { #>

{{ data.attachment.title }}

					<# } #>

					<# if ( data.canUpload ) { #>
					<button type="button" class="button remove-button">{{ data.button_labels.remove }}</button>
					<button type="button" class="button upload-button control-focus" {{{ describedByAttr }}}>{{ data.button_labels.change }}</button>
					<# } #>

		<# } else { #>

				<# if ( data.canUpload ) { #>
					<button type="button" class="upload-button button-add-media" {{{ describedByAttr }}}>{{ data.button_labels.select }}</button>
				<# } #>

					<# if ( data.defaultAttachment ) { #>
						<button type="button" class="button default-button">{{ data.button_labels['default'] }}</button>
					<# } #>

		<# } #>
		<?php
	}

	/**
	 * Get default button labels.
	 *
	 * Provides an array of the default button labels based on the mime type of the current control.
	 *
	 * @since 4.9.0
	 *
	 * @return string[] An associative array of default button labels keyed by the button name.
	 */
	public function get_default_button_labels() {
		// Get just the mime type and strip the mime subtype if present.
		$mime_type = ! empty( $this->mime_type ) ? strtok( ltrim( $this->mime_type, '/' ), '/' ) : 'default';

		switch ( $mime_type ) {
			case 'video':
				return array(
					'select'       => __( 'Select video' ),
					'change'       => __( 'Change video' ),
					'default'      => __( 'Default' ),
					'remove'       => __( 'Remove' ),
					'placeholder'  => __( 'No video selected' ),
					'frame_title'  => __( 'Select video' ),
					'frame_button' => __( 'Choose video' ),
				);
			case 'audio':
				return array(
					'select'       => __( 'Select audio' ),
					'change'       => __( 'Change audio' ),
					'default'      => __( 'Default' ),
					'remove'       => __( 'Remove' ),
					'placeholder'  => __( 'No audio selected' ),
					'frame_title'  => __( 'Select audio' ),
					'frame_button' => __( 'Choose audio' ),
				);
			case 'image':
				return array(
					'select'       => __( 'Select image' ),
					'site_icon'    => __( 'Select site icon' ),
					'change'       => __( 'Change image' ),
					'default'      => __( 'Default' ),
					'remove'       => __( 'Remove' ),
					'placeholder'  => __( 'No image selected' ),
					'frame_title'  => __( 'Select image' ),
					'frame_button' => __( 'Choose image' ),
				);
			default:
				return array(
					'select'       => __( 'Select file' ),
					'change'       => __( 'Change file' ),
					'default'      => __( 'Default' ),
					'remove'       => __( 'Remove' ),
					'placeholder'  => __( 'No file selected' ),
					'frame_title'  => __( 'Select file' ),
					'frame_button' => __( 'Choose file' ),
				);
		} // End switch().
	}
}


<?php
/**
 * Customize API: WP_Customize_Nav_Menu_Auto_Add_Control class
 *
 * @package WordPress
 * @subpackage Customize
 * @since 4.4.0
 */

/**
 * Customize control to represent the auto_add field for a given menu.
 *
 * @since 4.3.0
 *
 * @see WP_Customize_Control
 */
class WP_Customize_Nav_Menu_Auto_Add_Control extends WP_Customize_Control {

	/**
	 * Type of control, used by JS.
	 *
	 * @since 4.3.0
	 * @var string
	 */
	public $type = 'nav_menu_auto_add';

	/**
	 * No-op since we're using JS template.
	 *
	 * @since 4.3.0
	 */
	protected function render_content() {}

	/**
	 * Render the Underscore template for this control.
	 *
	 * @since 4.3.0
	 */
	protected function content_template() {
		?>
		<# var elementId = _.uniqueId( 'customize-nav-menu-auto-add-control-' ); #>
		<?php _e( 'Menu Options' ); ?>

			<input id="{{ elementId }}" type="checkbox" class="auto_add" />

				<?php _e( 'Automatically add new top-level pages to this menu' ); ?>

		<?php
	}
}


<?php
/**
 * Customize API: WP_Customize_Nav_Menu_Control class
 *
 * @package WordPress
 * @subpackage Customize
 * @since 4.4.0
 */

/**
 * Customize Nav Menu Control Class.
 *
 * @since 4.3.0
 *
 * @see WP_Customize_Control
 */
class WP_Customize_Nav_Menu_Control extends WP_Customize_Control {

	/**
	 * Control type.
	 *
	 * @since 4.3.0
	 * @var string
	 */
	public $type = 'nav_menu';

	/**
	 * Don't render the control's content - it uses a JS template instead.
	 *
	 * @since 4.3.0
	 */
	public function render_content() {}

	/**
	 * JS/Underscore template for the control UI.
	 *
	 * @since 4.3.0
	 */
	public function content_template() {
		$add_items = __( 'Add Items' );
		?>

			<?php
			printf(
				/* translators: %s: "Add Items" button text. */
				__( 'Time to add some links! Click “%s” to start putting pages, categories, and custom links in your menu. Add as many things as you’d like.' ),
				$add_items
			);
			?>

			<button type="button" class="button add-new-menu-item" aria-label="<?php esc_attr_e( 'Add or remove menu items' ); ?>" aria-expanded="false" aria-controls="available-menu-items">
				<?php echo $add_items; ?>
			</button>
			<button type="button" class="button-link reorder-toggle" aria-label="<?php esc_attr_e( 'Reorder menu items' ); ?>" aria-describedby="reorder-items-desc-{{ data.menu_id }}">
				<?php _e( 'Reorder' ); ?>
				<?php _e( 'Done' ); ?>
			</button>

<?php _e( 'When in reorder mode, additional controls to reorder menu items will be available in the items list above.' ); ?>

		<?php
	}

	/**
	 * Return parameters for this control.
	 *
	 * @since 4.3.0
	 *
	 * @return array Exported parameters.
	 */
	public function json() {
		$exported            = parent::json();
		$exported['menu_id'] = $this->setting->term_id;

		return $exported;
	}
}


<?php
/**
 * Customize API: WP_Customize_Nav_Menu_Item_Control class
 *
 * @package WordPress
 * @subpackage Customize
 * @since 4.4.0
 */

/**
 * Customize control to represent the name field for a given menu.
 *
 * @since 4.3.0
 *
 * @see WP_Customize_Control
 */
class WP_Customize_Nav_Menu_Item_Control extends WP_Customize_Control {

	/**
	 * Control type.
	 *
	 * @since 4.3.0
	 * @var string
	 */
	public $type = 'nav_menu_item';

	/**
	 * The nav menu item setting.
	 *
	 * @since 4.3.0
	 * @var WP_Customize_Nav_Menu_Item_Setting
	 */
	public $setting;

	/**
	 * Constructor.
	 *
	 * @since 4.3.0
	 *
	 * @see WP_Customize_Control::__construct()
	 *
	 * @param WP_Customize_Manager $manager Customizer bootstrap instance.
	 * @param string               $id      The control ID.
	 * @param array                $args    Optional. Arguments to override class property defaults.
	 *                                      See WP_Customize_Control::__construct() for information
	 *                                      on accepted arguments. Default empty array.
	 */
	public function __construct( $manager, $id, $args = array() ) {
		parent::__construct( $manager, $id, $args );
	}

	/**
	 * Don't render the control's content - it's rendered with a JS template.
	 *
	 * @since 4.3.0
	 */
	public function render_content() {}

	/**
	 * JS/Underscore template for the control UI.
	 *
	 * @since 4.3.0
	 */
	public function content_template() {
		?>

				{{ data.item_type_label }}

					<span class="menu-item-title<# if ( ! data.title && ! data.original_title ) { #> no-title<# } #>">{{ data.title || data.original_title || wp.customize.Menus.data.l10n.untitled }}

					<button type="button" class="button-link item-edit" aria-expanded="false">
					<?php
						/* translators: 1: Title of a menu item, 2: Type of a menu item. */
						printf( __( 'Edit menu item: %1$s (%2$s)' ), '{{ data.title || wp.customize.Menus.data.l10n.untitled }}', '{{ data.item_type_label }}' );
					?>
					</button>
					<button type="button" class="button-link item-delete submitdelete deletion">
					<?php
						/* translators: 1: Title of a menu item, 2: Type of a menu item. */
						printf( __( 'Remove Menu Item: %1$s (%2$s)' ), '{{ data.title || wp.customize.Menus.data.l10n.untitled }}', '{{ data.item_type_label }}' );
					?>
					</button>

			<# if ( 'custom' === data.item_type ) { #>

					<?php _e( 'URL' ); ?>

					<input class="widefat code edit-menu-item-url" type="text" id="edit-menu-item-url-{{ data.menu_item_id }}" name="menu-item-url" />

		<# } #>

					<?php _e( 'Navigation Label' ); ?>

					<input type="text" id="edit-menu-item-title-{{ data.menu_item_id }}" placeholder="{{ data.original_title }}" class="widefat edit-menu-item-title" name="menu-item-title" />

					<input type="checkbox" id="edit-menu-item-target-{{ data.menu_item_id }}" class="edit-menu-item-target" value="_blank" name="menu-item-target" />
					<?php _e( 'Open link in a new tab' ); ?>

					<?php _e( 'Title Attribute' ); ?>

					<input type="text" id="edit-menu-item-attr-title-{{ data.menu_item_id }}" class="widefat edit-menu-item-attr-title" name="menu-item-attr-title" />

					<?php _e( 'CSS Classes' ); ?>

					<input type="text" id="edit-menu-item-classes-{{ data.menu_item_id }}" class="widefat code edit-menu-item-classes" name="menu-item-classes" />

					<?php _e( 'Link Relationship (XFN)' ); ?>

					<input type="text" id="edit-menu-item-xfn-{{ data.menu_item_id }}" class="widefat code edit-menu-item-xfn" name="menu-item-xfn" />

					<?php _e( 'Description' ); ?>

					<textarea id="edit-menu-item-description-{{ data.menu_item_id }}" class="widefat edit-menu-item-description" rows="3" cols="20" name="menu-item-description">{{ data.description }}</textarea>
					<?php _e( 'The description will be displayed in the menu if the current theme supports it.' ); ?>

			<?php
			/**
			 * Fires at the end of the form field template for nav menu items in the customizer.
			 *
			 * Additional fields can be rendered here and managed in JavaScript.
			 *
			 * @since 5.4.0
			 */
			do_action( 'wp_nav_menu_item_custom_fields_customize_template' );
			?>

				<# if ( ( 'post_type' === data.item_type || 'taxonomy' === data.item_type ) && '' !== data.original_title ) { #>

					<?php
						/* translators: Nav menu item original title. %s: Original title. */
						printf( __( 'Original: %s' ), '{{ data.original_title }}' );
					?>

				<# } #>

				<button type="button" class="button-link button-link-delete item-delete submitdelete deletion"><?php _e( 'Remove' ); ?></button>

			<input type="hidden" name="menu-item-db-id[{{ data.menu_item_id }}]" class="menu-item-data-db-id" value="{{ data.menu_item_id }}" />
			<input type="hidden" name="menu-item-parent-id[{{ data.menu_item_id }}]" class="menu-item-data-parent-id" value="{{ data.parent }}" />

		<?php
	}

	/**
	 * Return parameters for this control.
	 *
	 * @since 4.3.0
	 *
	 * @return array Exported parameters.
	 */
	public function json() {
		$exported                 = parent::json();
		$exported['menu_item_id'] = $this->setting->post_id;

		return $exported;
	}
}


<?php
/**
 * Customize API: WP_Customize_Nav_Menu_Item_Setting class
 *
 * @package WordPress
 * @subpackage Customize
 * @since 4.4.0
 */

/**
 * Customize Setting to represent a nav_menu.
 *
 * Subclass of WP_Customize_Setting to represent a nav_menu taxonomy term, and
 * the IDs for the nav_menu_items associated with the nav menu.
 *
 * @since 4.3.0
 *
 * @see WP_Customize_Setting
 */
class WP_Customize_Nav_Menu_Item_Setting extends WP_Customize_Setting {

	const ID_PATTERN = '/^nav_menu_item\[(?P<id>-?\d+)\]$/';

	const POST_TYPE = 'nav_menu_item';

	const TYPE = 'nav_menu_item';

	/**
	 * Setting type.
	 *
	 * @since 4.3.0
	 * @var string
	 */
	public $type = self::TYPE;

	/**
	 * Default setting value.
	 *
	 * @since 4.3.0
	 * @var array
	 *
	 * @see wp_setup_nav_menu_item()
	 */
	public $default = array(
		// The $menu_item_data for wp_update_nav_menu_item().
		'object_id'        => 0,
		'object'           => '', // Taxonomy name.
		'menu_item_parent' => 0, // A.K.A. menu-item-parent-id; note that post_parent is different, and not included.
		'position'         => 0, // A.K.A. menu_order.
		'type'             => 'custom', // Note that type_label is not included here.
		'title'            => '',
		'url'              => '',
		'target'           => '',
		'attr_title'       => '',
		'description'      => '',
		'classes'          => '',
		'xfn'              => '',
		'status'           => 'publish',
		'original_title'   => '',
		'nav_menu_term_id' => 0, // This will be supplied as the $menu_id arg for wp_update_nav_menu_item().
		'_invalid'         => false,
	);

	/**
	 * Default transport.
	 *
	 * @since 4.3.0
	 * @since 4.5.0 Default changed to 'refresh'
	 * @var string
	 */
	public $transport = 'refresh';

	/**
	 * The post ID represented by this setting instance. This is the db_id.
	 *
	 * A negative value represents a placeholder ID for a new menu not yet saved.
	 *
	 * @since 4.3.0
	 * @var int
	 */
	public $post_id;

	/**
	 * Storage of pre-setup menu item to prevent wasted calls to wp_setup_nav_menu_item().
	 *
	 * @since 4.3.0
	 * @var array|null
	 */
	protected $value;

	/**
	 * Previous (placeholder) post ID used before creating a new menu item.
	 *
	 * This value will be exported to JS via the customize_save_response filter
	 * so that JavaScript can update the settings to refer to the newly-assigned
	 * post ID. This value is always negative to indicate it does not refer to
	 * a real post.
	 *
	 * @since 4.3.0
	 * @var int
	 *
	 * @see WP_Customize_Nav_Menu_Item_Setting::update()
	 * @see WP_Customize_Nav_Menu_Item_Setting::amend_customize_save_response()
	 */
	public $previous_post_id;

	/**
	 * When previewing or updating a menu item, this stores the previous nav_menu_term_id
	 * which ensures that we can apply the proper filters.
	 *
	 * @since 4.3.0
	 * @var int
	 */
	public $original_nav_menu_term_id;

	/**
	 * Whether or not update() was called.
	 *
	 * @since 4.3.0
	 * @var bool
	 */
	protected $is_updated = false;

	/**
	 * Status for calling the update method, used in customize_save_response filter.
	 *
	 * See {@see 'customize_save_response'}.
	 *
	 * When status is inserted, the placeholder post ID is stored in $previous_post_id.
	 * When status is error, the error is stored in $update_error.
	 *
	 * @since 4.3.0
	 * @var string updated|inserted|deleted|error
	 *
	 * @see WP_Customize_Nav_Menu_Item_Setting::update()
	 * @see WP_Customize_Nav_Menu_Item_Setting::amend_customize_save_response()
	 */
	public $update_status;

	/**
	 * Any error object returned by wp_update_nav_menu_item() when setting is updated.
	 *
	 * @since 4.3.0
	 * @var WP_Error
	 *
	 * @see WP_Customize_Nav_Menu_Item_Setting::update()
	 * @see WP_Customize_Nav_Menu_Item_Setting::amend_customize_save_response()
	 */
	public $update_error;

	/**
	 * Constructor.
	 *
	 * Any supplied $args override class property defaults.
	 *
	 * @since 4.3.0
	 *
	 * @throws Exception If $id is not valid for this setting type.
	 *
	 * @param WP_Customize_Manager $manager Customizer bootstrap instance.
	 * @param string               $id      A specific ID of the setting.
	 *                                      Can be a theme mod or option name.
	 * @param array                $args    Optional. Setting arguments.
	 */
	public function __construct( WP_Customize_Manager $manager, $id, array $args = array() ) {
		if ( empty( $manager->nav_menus ) ) {
			throw new Exception( 'Expected WP_Customize_Manager::$nav_menus to be set.' );
		}

		if ( ! preg_match( self::ID_PATTERN, $id, $matches ) ) {
			throw new Exception( "Illegal widget setting ID: $id" );
		}

		$this->post_id = intval( $matches['id'] );
		add_action( 'wp_update_nav_menu_item', array( $this, 'flush_cached_value' ), 10, 2 );

		parent::__construct( $manager, $id, $args );

		// Ensure that an initially-supplied value is valid.
		if ( isset( $this->value ) ) {
			$this->populate_value();
			foreach ( array_diff( array_keys( $this->default ), array_keys( $this->value ) ) as $missing ) {
				throw new Exception( "Supplied nav_menu_item value missing property: $missing" );
			}
		}

	}

	/**
	 * Clear the cached value when this nav menu item is updated.
	 *
	 * @since 4.3.0
	 *
	 * @param int $menu_id       The term ID for the menu.
	 * @param int $menu_item_id  The post ID for the menu item.
	 */
	public function flush_cached_value( $menu_id, $menu_item_id ) {
		unset( $menu_id );
		if ( $menu_item_id === $this->post_id ) {
			$this->value = null;
		}
	}

	/**
	 * Get the instance data for a given nav_menu_item setting.
	 *
	 * @since 4.3.0
	 *
	 * @see wp_setup_nav_menu_item()
	 *
	 * @return array|false Instance data array, or false if the item is marked for deletion.
	 */
	public function value() {
		if ( $this->is_previewed && get_current_blog_id() === $this->_previewed_blog_id ) {
			$undefined  = new stdClass(); // Symbol.
			$post_value = $this->post_value( $undefined );

			if ( $undefined === $post_value ) {
				$value = $this->_original_value;
			} else {
				$value = $post_value;
			}
			if ( ! empty( $value ) && empty( $value['original_title'] ) ) {
				$value['original_title'] = $this->get_original_title( (object) $value );
			}
		} elseif ( isset( $this->value ) ) {
			$value = $this->value;
		} else {
			$value = false;

			// Note that a ID of less than one indicates a nav_menu not yet inserted.
			if ( $this->post_id > 0 ) {
				$post = get_post( $this->post_id );
				if ( $post && self::POST_TYPE === $post->post_type ) {
					$is_title_empty = empty( $post->post_title );
					$value          = (array) wp_setup_nav_menu_item( $post );
					if ( $is_title_empty ) {
						$value['title'] = '';
					}
				}
			}

			if ( ! is_array( $value ) ) {
				$value = $this->default;
			}

			// Cache the value for future calls to avoid having to re-call wp_setup_nav_menu_item().
			$this->value = $value;
			$this->populate_value();
			$value = $this->value;
		}

		if ( ! empty( $value ) && empty( $value['type_label'] ) ) {
			$value['type_label'] = $this->get_type_label( (object) $value );
		}

		return $value;
	}

	/**
	 * Get original title.
	 *
	 * @since 4.7.0
	 *
	 * @param object $item Nav menu item.
	 * @return string The original title.
	 */
	protected function get_original_title( $item ) {
		$original_title = '';
		if ( 'post_type' === $item->type && ! empty( $item->object_id ) ) {
			$original_object = get_post( $item->object_id );
			if ( $original_object ) {
				/** This filter is documented in wp-includes/post-template.php */
				$original_title = apply_filters( 'the_title', $original_object->post_title, $original_object->ID );

				if ( '' === $original_title ) {
					/* translators: %d: ID of a post. */
					$original_title = sprintf( __( '#%d (no title)' ), $original_object->ID );
				}
			}
		} elseif ( 'taxonomy' === $item->type && ! empty( $item->object_id ) ) {
			$original_term_title = get_term_field( 'name', $item->object_id, $item->object, 'raw' );
			if ( ! is_wp_error( $original_term_title ) ) {
				$original_title = $original_term_title;
			}
		} elseif ( 'post_type_archive' === $item->type ) {
			$original_object = get_post_type_object( $item->object );
			if ( $original_object ) {
				$original_title = $original_object->labels->archives;
			}
		}
		$original_title = html_entity_decode( $original_title, ENT_QUOTES, get_bloginfo( 'charset' ) );
		return $original_title;
	}

	/**
	 * Get type label.
	 *
	 * @since 4.7.0
	 *
	 * @param object $item Nav menu item.
	 * @return string The type label.
	 */
	protected function get_type_label( $item ) {
		if ( 'post_type' === $item->type ) {
			$object = get_post_type_object( $item->object );
			if ( $object ) {
				$type_label = $object->labels->singular_name;
			} else {
				$type_label = $item->object;
			}
		} elseif ( 'taxonomy' === $item->type ) {
			$object = get_taxonomy( $item->object );
			if ( $object ) {
				$type_label = $object->labels->singular_name;
			} else {
				$type_label = $item->object;
			}
		} elseif ( 'post_type_archive' === $item->type ) {
			$type_label = __( 'Post Type Archive' );
		} else {
			$type_label = __( 'Custom Link' );
		}
		return $type_label;
	}

	/**
	 * Ensure that the value is fully populated with the necessary properties.
	 *
	 * Translates some properties added by wp_setup_nav_menu_item() and removes others.
	 *
	 * @since 4.3.0
	 *
	 * @see WP_Customize_Nav_Menu_Item_Setting::value()
	 */
	protected function populate_value() {
		if ( ! is_array( $this->value ) ) {
			return;
		}

		if ( isset( $this->value['menu_order'] ) ) {
			$this->value['position'] = $this->value['menu_order'];
			unset( $this->value['menu_order'] );
		}
		if ( isset( $this->value['post_status'] ) ) {
			$this->value['status'] = $this->value['post_status'];
			unset( $this->value['post_status'] );
		}

		if ( ! isset( $this->value['original_title'] ) ) {
			$this->value['original_title'] = $this->get_original_title( (object) $this->value );
		}

		if ( ! isset( $this->value['nav_menu_term_id'] ) && $this->post_id > 0 ) {
			$menus = wp_get_post_terms(
				$this->post_id,
				WP_Customize_Nav_Menu_Setting::TAXONOMY,
				array(
					'fields' => 'ids',
				)
			);
			if ( ! empty( $menus ) ) {
				$this->value['nav_menu_term_id'] = array_shift( $menus );
			} else {
				$this->value['nav_menu_term_id'] = 0;
			}
		}

		foreach ( array( 'object_id', 'menu_item_parent', 'nav_menu_term_id' ) as $key ) {
			if ( ! is_int( $this->value[ $key ] ) ) {
				$this->value[ $key ] = intval( $this->value[ $key ] );
			}
		}
		foreach ( array( 'classes', 'xfn' ) as $key ) {
			if ( is_array( $this->value[ $key ] ) ) {
				$this->value[ $key ] = implode( ' ', $this->value[ $key ] );
			}
		}

		if ( ! isset( $this->value['title'] ) ) {
			$this->value['title'] = '';
		}

		if ( ! isset( $this->value['_invalid'] ) ) {
			$this->value['_invalid'] = false;
			$is_known_invalid        = (
				( ( 'post_type' === $this->value['type'] || 'post_type_archive' === $this->value['type'] ) && ! post_type_exists( $this->value['object'] ) )
				||
				( 'taxonomy' === $this->value['type'] && ! taxonomy_exists( $this->value['object'] ) )
			);
			if ( $is_known_invalid ) {
				$this->value['_invalid'] = true;
			}
		}

		// Remove remaining properties available on a setup nav_menu_item post object which aren't relevant to the setting value.
		$irrelevant_properties = array(
			'ID',
			'comment_count',
			'comment_status',
			'db_id',
			'filter',
			'guid',
			'ping_status',
			'pinged',
			'post_author',
			'post_content',
			'post_content_filtered',
			'post_date',
			'post_date_gmt',
			'post_excerpt',
			'post_mime_type',
			'post_modified',
			'post_modified_gmt',
			'post_name',
			'post_parent',
			'post_password',
			'post_title',
			'post_type',
			'to_ping',
		);
		foreach ( $irrelevant_properties as $property ) {
			unset( $this->value[ $property ] );
		}
	}

	/**
	 * Handle previewing the setting.
	 *
	 * @since 4.3.0
	 * @since 4.4.0 Added boolean return value.
	 *
	 * @see WP_Customize_Manager::post_value()
	 *
	 * @return bool False if method short-circuited due to no-op.
	 */
	public function preview() {
		if ( $this->is_previewed ) {
			return false;
		}

		$undefined      = new stdClass();
		$is_placeholder = ( $this->post_id < 0 );
		$is_dirty       = ( $undefined !== $this->post_value( $undefined ) );
		if ( ! $is_placeholder && ! $is_dirty ) {
			return false;
		}

		$this->is_previewed              = true;
		$this->_original_value           = $this->value();
		$this->original_nav_menu_term_id = $this->_original_value['nav_menu_term_id'];
		$this->_previewed_blog_id        = get_current_blog_id();

		add_filter( 'wp_get_nav_menu_items', array( $this, 'filter_wp_get_nav_menu_items' ), 10, 3 );

		$sort_callback = array( __CLASS__, 'sort_wp_get_nav_menu_items' );
		if ( ! has_filter( 'wp_get_nav_menu_items', $sort_callback ) ) {
			add_filter( 'wp_get_nav_menu_items', array( __CLASS__, 'sort_wp_get_nav_menu_items' ), 1000, 3 );
		}

		// @todo Add get_post_metadata filters for plugins to add their data.

		return true;
	}

	/**
	 * Filters the wp_get_nav_menu_items() result to supply the previewed menu items.
	 *
	 * @since 4.3.0
	 *
	 * @see wp_get_nav_menu_items()
	 *
	 * @param WP_Post[] $items An array of menu item post objects.
	 * @param WP_Term   $menu  The menu object.
	 * @param array     $args  An array of arguments used to retrieve menu item objects.
	 * @return WP_Post[] Array of menu item objects.
	 */
	public function filter_wp_get_nav_menu_items( $items, $menu, $args ) {
		$this_item                = $this->value();
		$current_nav_menu_term_id = null;
		if ( isset( $this_item['nav_menu_term_id'] ) ) {
			$current_nav_menu_term_id = $this_item['nav_menu_term_id'];
			unset( $this_item['nav_menu_term_id'] );
		}

		$should_filter = (
			$menu->term_id === $this->original_nav_menu_term_id
			||
			$menu->term_id === $current_nav_menu_term_id
		);
		if ( ! $should_filter ) {
			return $items;
		}

		// Handle deleted menu item, or menu item moved to another menu.
		$should_remove = (
			false === $this_item
			||
			( isset( $this_item['_invalid'] ) && true === $this_item['_invalid'] )
			||
			(
				$this->original_nav_menu_term_id === $menu->term_id
				&&
				$current_nav_menu_term_id !== $this->original_nav_menu_term_id
			)
		);
		if ( $should_remove ) {
			$filtered_items = array();
			foreach ( $items as $item ) {
				if ( $item->db_id !== $this->post_id ) {
					$filtered_items[] = $item;
				}
			}
			return $filtered_items;
		}

		$mutated       = false;
		$should_update = (
			is_array( $this_item )
			&&
			$current_nav_menu_term_id === $menu->term_id
		);
		if ( $should_update ) {
			foreach ( $items as $item ) {
				if ( $item->db_id === $this->post_id ) {
					foreach ( get_object_vars( $this->value_as_wp_post_nav_menu_item() ) as $key => $value ) {
						$item->$key = $value;
					}
					$mutated = true;
				}
			}

			// Not found so we have to append it..
			if ( ! $mutated ) {
				$items[] = $this->value_as_wp_post_nav_menu_item();
			}
		}

		return $items;
	}

	/**
	 * Re-apply the tail logic also applied on $items by wp_get_nav_menu_items().
	 *
	 * @since 4.3.0
	 *
	 * @see wp_get_nav_menu_items()
	 *
	 * @param WP_Post[] $items An array of menu item post objects.
	 * @param WP_Term   $menu  The menu object.
	 * @param array     $args  An array of arguments used to retrieve menu item objects.
	 * @return WP_Post[] Array of menu item objects.
	 */
	public static function sort_wp_get_nav_menu_items( $items, $menu, $args ) {
		// @todo We should probably re-apply some constraints imposed by $args.
		unset( $args['include'] );

		// Remove invalid items only in front end.
		if ( ! is_admin() ) {
			$items = array_filter( $items, '_is_valid_nav_menu_item' );
		}

		if ( ARRAY_A === $args['output'] ) {
			$items = wp_list_sort(
				$items,
				array(
					$args['output_key'] => 'ASC',
				)
			);
			$i     = 1;

			foreach ( $items as $k => $item ) {
				$items[ $k ]->{$args['output_key']} = $i++;
			}
		}

		return $items;
	}

	/**
	 * Get the value emulated into a WP_Post and set up as a nav_menu_item.
	 *
	 * @since 4.3.0
	 *
	 * @return WP_Post With wp_setup_nav_menu_item() applied.
	 */
	public function value_as_wp_post_nav_menu_item() {
		$item = (object) $this->value();
		unset( $item->nav_menu_term_id );

		$item->post_status = $item->status;
		unset( $item->status );

		$item->post_type  = 'nav_menu_item';
		$item->menu_order = $item->position;
		unset( $item->position );

		if ( empty( $item->original_title ) ) {
			$item->original_title = $this->get_original_title( $item );
		}
		if ( empty( $item->title ) && ! empty( $item->original_title ) ) {
			$item->title = $item->original_title;
		}
		if ( $item->title ) {
			$item->post_title = $item->title;
		}

		$item->ID    = $this->post_id;
		$item->db_id = $this->post_id;
		$post        = new WP_Post( (object) $item );

		if ( empty( $post->post_author ) ) {
			$post->post_author = get_current_user_id();
		}

		if ( ! isset( $post->type_label ) ) {
			$post->type_label = $this->get_type_label( $post );
		}

		// Ensure nav menu item URL is set according to linked object.
		if ( 'post_type' === $post->type && ! empty( $post->object_id ) ) {
			$post->url = get_permalink( $post->object_id );
		} elseif ( 'taxonomy' === $post->type && ! empty( $post->object ) && ! empty( $post->object_id ) ) {
			$post->url = get_term_link( (int) $post->object_id, $post->object );
		} elseif ( 'post_type_archive' === $post->type && ! empty( $post->object ) ) {
			$post->url = get_post_type_archive_link( $post->object );
		}
		if ( is_wp_error( $post->url ) ) {
			$post->url = '';
		}

		/** This filter is documented in wp-includes/nav-menu.php */
		$post->attr_title = apply_filters( 'nav_menu_attr_title', $post->attr_title );

		/** This filter is documented in wp-includes/nav-menu.php */
		$post->description = apply_filters( 'nav_menu_description', wp_trim_words( $post->description, 200 ) );

		/** This filter is documented in wp-includes/nav-menu.php */
		$post = apply_filters( 'wp_setup_nav_menu_item', $post );

		return $post;
	}

	/**
	 * Sanitize an input.
	 *
	 * Note that parent::sanitize() erroneously does wp_unslash() on $value, but
	 * we remove that in this override.
	 *
	 * @since 4.3.0
	 *
	 * @param array $menu_item_value The value to sanitize.
	 * @return array|false|null|WP_Error Null or WP_Error if an input isn't valid. False if it is marked for deletion.
	 *                                   Otherwise the sanitized value.
	 */
	public function sanitize( $menu_item_value ) {
		// Menu is marked for deletion.
		if ( false === $menu_item_value ) {
			return $menu_item_value;
		}

		// Invalid.
		if ( ! is_array( $menu_item_value ) ) {
			return null;
		}

		$default                     = array(
			'object_id'        => 0,
			'object'           => '',
			'menu_item_parent' => 0,
			'position'         => 0,
			'type'             => 'custom',
			'title'            => '',
			'url'              => '',
			'target'           => '',
			'attr_title'       => '',
			'description'      => '',
			'classes'          => '',
			'xfn'              => '',
			'status'           => 'publish',
			'original_title'   => '',
			'nav_menu_term_id' => 0,
			'_invalid'         => false,
		);
		$menu_item_value             = array_merge( $default, $menu_item_value );
		$menu_item_value             = wp_array_slice_assoc( $menu_item_value, array_keys( $default ) );
		$menu_item_value['position'] = intval( $menu_item_value['position'] );

		foreach ( array( 'object_id', 'menu_item_parent', 'nav_menu_term_id' ) as $key ) {
			// Note we need to allow negative-integer IDs for previewed objects not inserted yet.
			$menu_item_value[ $key ] = intval( $menu_item_value[ $key ] );
		}

		foreach ( array( 'type', 'object', 'target' ) as $key ) {
			$menu_item_value[ $key ] = sanitize_key( $menu_item_value[ $key ] );
		}

		foreach ( array( 'xfn', 'classes' ) as $key ) {
			$value = $menu_item_value[ $key ];
			if ( ! is_array( $value ) ) {
				$value = explode( ' ', $value );
			}
			$menu_item_value[ $key ] = implode( ' ', array_map( 'sanitize_html_class', $value ) );
		}

		$menu_item_value['original_title'] = sanitize_text_field( $menu_item_value['original_title'] );

		// Apply the same filters as when calling wp_insert_post().

		/** This filter is documented in wp-includes/post.php */
		$menu_item_value['title'] = wp_unslash( apply_filters( 'title_save_pre', wp_slash( $menu_item_value['title'] ) ) );

		/** This filter is documented in wp-includes/post.php */
		$menu_item_value['attr_title'] = wp_unslash( apply_filters( 'excerpt_save_pre', wp_slash( $menu_item_value['attr_title'] ) ) );

		/** This filter is documented in wp-includes/post.php */
		$menu_item_value['description'] = wp_unslash( apply_filters( 'content_save_pre', wp_slash( $menu_item_value['description'] ) ) );

		if ( '' !== $menu_item_value['url'] ) {
			$menu_item_value['url'] = esc_url_raw( $menu_item_value['url'] );
			if ( '' === $menu_item_value['url'] ) {
				return new WP_Error( 'invalid_url', __( 'Invalid URL.' ) ); // Fail sanitization if URL is invalid.
			}
		}
		if ( 'publish' !== $menu_item_value['status'] ) {
			$menu_item_value['status'] = 'draft';
		}

		$menu_item_value['_invalid'] = (bool) $menu_item_value['_invalid'];

		/** This filter is documented in wp-includes/class-wp-customize-setting.php */
		return apply_filters( "customize_sanitize_{$this->id}", $menu_item_value, $this );
	}

	/**
	 * Creates/updates the nav_menu_item post for this setting.
	 *
	 * Any created menu items will have their assigned post IDs exported to the client
	 * via the {@see 'customize_save_response'} filter. Likewise, any errors will be
	 * exported to the client via the customize_save_response() filter.
	 *
	 * To delete a menu, the client can send false as the value.
	 *
	 * @since 4.3.0
	 *
	 * @see wp_update_nav_menu_item()
	 *
	 * @param array|false $value The menu item array to update. If false, then the menu item will be deleted
	 *                           entirely. See WP_Customize_Nav_Menu_Item_Setting::$default for what the value
	 *                           should consist of.
	 * @return null|void
	 */
	protected function update( $value ) {
		if ( $this->is_updated ) {
			return;
		}

		$this->is_updated = true;
		$is_placeholder   = ( $this->post_id < 0 );
		$is_delete        = ( false === $value );

		// Update the cached value.
		$this->value = $value;

		add_filter( 'customize_save_response', array( $this, 'amend_customize_save_response' ) );

		if ( $is_delete ) {
			// If the current setting post is a placeholder, a delete request is a no-op.
			if ( $is_placeholder ) {
				$this->update_status = 'deleted';
			} else {
				$r = wp_delete_post( $this->post_id, true );

				if ( false === $r ) {
					$this->update_error  = new WP_Error( 'delete_failure' );
					$this->update_status = 'error';
				} else {
					$this->update_status = 'deleted';
				}
				// @todo send back the IDs for all associated nav menu items deleted, so these settings (and controls) can be removed from Customizer?
			}
		} else {

			// Handle saving menu items for menus that are being newly-created.
			if ( $value['nav_menu_term_id'] < 0 ) {
				$nav_menu_setting_id = sprintf( 'nav_menu[%s]', $value['nav_menu_term_id'] );
				$nav_menu_setting    = $this->manager->get_setting( $nav_menu_setting_id );

				if ( ! $nav_menu_setting || ! ( $nav_menu_setting instanceof WP_Customize_Nav_Menu_Setting ) ) {
					$this->update_status = 'error';
					$this->update_error  = new WP_Error( 'unexpected_nav_menu_setting' );
					return;
				}

				if ( false === $nav_menu_setting->save() ) {
					$this->update_status = 'error';
					$this->update_error  = new WP_Error( 'nav_menu_setting_failure' );
					return;
				}

				if ( intval( $value['nav_menu_term_id'] ) !== $nav_menu_setting->previous_term_id ) {
					$this->update_status = 'error';
					$this->update_error  = new WP_Error( 'unexpected_previous_term_id' );
					return;
				}

				$value['nav_menu_term_id'] = $nav_menu_setting->term_id;
			}

			// Handle saving a nav menu item that is a child of a nav menu item being newly-created.
			if ( $value['menu_item_parent'] < 0 ) {
				$parent_nav_menu_item_setting_id = sprintf( 'nav_menu_item[%s]', $value['menu_item_parent'] );
				$parent_nav_menu_item_setting    = $this->manager->get_setting( $parent_nav_menu_item_setting_id );

				if ( ! $parent_nav_menu_item_setting || ! ( $parent_nav_menu_item_setting instanceof WP_Customize_Nav_Menu_Item_Setting ) ) {
					$this->update_status = 'error';
					$this->update_error  = new WP_Error( 'unexpected_nav_menu_item_setting' );
					return;
				}

				if ( false === $parent_nav_menu_item_setting->save() ) {
					$this->update_status = 'error';
					$this->update_error  = new WP_Error( 'nav_menu_item_setting_failure' );
					return;
				}

				if ( intval( $value['menu_item_parent'] ) !== $parent_nav_menu_item_setting->previous_post_id ) {
					$this->update_status = 'error';
					$this->update_error  = new WP_Error( 'unexpected_previous_post_id' );
					return;
				}

				$value['menu_item_parent'] = $parent_nav_menu_item_setting->post_id;
			}

			// Insert or update menu.
			$menu_item_data = array(
				'menu-item-object-id'   => $value['object_id'],
				'menu-item-object'      => $value['object'],
				'menu-item-parent-id'   => $value['menu_item_parent'],
				'menu-item-position'    => $value['position'],
				'menu-item-type'        => $value['type'],
				'menu-item-title'       => $value['title'],
				'menu-item-url'         => $value['url'],
				'menu-item-description' => $value['description'],
				'menu-item-attr-title'  => $value['attr_title'],
				'menu-item-target'      => $value['target'],
				'menu-item-classes'     => $value['classes'],
				'menu-item-xfn'         => $value['xfn'],
				'menu-item-status'      => $value['status'],
			);

			$r = wp_update_nav_menu_item(
				$value['nav_menu_term_id'],
				$is_placeholder ? 0 : $this->post_id,
				wp_slash( $menu_item_data )
			);

			if ( is_wp_error( $r ) ) {
				$this->update_status = 'error';
				$this->update_error  = $r;
			} else {
				if ( $is_placeholder ) {
					$this->previous_post_id = $this->post_id;
					$this->post_id          = $r;
					$this->update_status    = 'inserted';
				} else {
					$this->update_status = 'updated';
				}
			}
		}

	}

	/**
	 * Export data for the JS client.
	 *
	 * @since 4.3.0
	 *
	 * @see WP_Customize_Nav_Menu_Item_Setting::update()
	 *
	 * @param array $data Additional information passed back to the 'saved' event on `wp.customize`.
	 * @return array Save response data.
	 */
	public function amend_customize_save_response( $data ) {
		if ( ! isset( $data['nav_menu_item_updates'] ) ) {
			$data['nav_menu_item_updates'] = array();
		}

		$data['nav_menu_item_updates'][] = array(
			'post_id'          => $this->post_id,
			'previous_post_id' => $this->previous_post_id,
			'error'            => $this->update_error ? $this->update_error->get_error_code() : null,
			'status'           => $this->update_status,
		);
		return $data;
	}
}


<?php
/**
 * Customize API: WP_Customize_Nav_Menu_Location_Control class
 *
 * @package WordPress
 * @subpackage Customize
 * @since 4.4.0
 */

/**
 * Customize Menu Location Control Class.
 *
 * This custom control is only needed for JS.
 *
 * @since 4.3.0
 *
 * @see WP_Customize_Control
 */
class WP_Customize_Nav_Menu_Location_Control extends WP_Customize_Control {

	/**
	 * Control type.
	 *
	 * @since 4.3.0
	 * @var string
	 */
	public $type = 'nav_menu_location';

	/**
	 * Location ID.
	 *
	 * @since 4.3.0
	 * @var string
	 */
	public $location_id = '';

	/**
	 * Refresh the parameters passed to JavaScript via JSON.
	 *
	 * @since 4.3.0
	 *
	 * @see WP_Customize_Control::to_json()
	 */
	public function to_json() {
		parent::to_json();
		$this->json['locationId'] = $this->location_id;
	}

	/**
	 * Render content just like a normal select control.
	 *
	 * @since 4.3.0
	 * @since 4.9.0 Added a button to create menus.
	 */
	public function render_content() {
		if ( empty( $this->choices ) ) {
			return;
		}

		$value_hidden_class    = '';
		$no_value_hidden_class = '';
		if ( $this->value() ) {
			$value_hidden_class = ' hidden';
		} else {
			$no_value_hidden_class = ' hidden';
		}
		?>

			<?php if ( ! empty( $this->label ) ) : ?>
			<?php echo esc_html( $this->label ); ?>
			<?php endif; ?>

			<?php if ( ! empty( $this->description ) ) : ?>
			<?php echo $this->description; ?>
			<?php endif; ?>

			<select <?php $this->link(); ?>>
				<?php
				foreach ( $this->choices as $value => $label ) :
					echo '<option value="' . esc_attr( $value ) . '"' . selected( $this->value(), $value, false ) . '>' . $label . '</option>';
				endforeach;
				?>
			</select>

		<button type="button" class="button-link create-menu<?php echo $value_hidden_class; ?>" data-location-id="<?php echo esc_attr( $this->location_id ); ?>" aria-label="<?php esc_attr_e( 'Create a menu for this location' ); ?>"><?php _e( '+ Create New Menu' ); ?></button>
		<button type="button" class="button-link edit-menu<?php echo $no_value_hidden_class; ?>" aria-label="<?php esc_attr_e( 'Edit selected menu' ); ?>"><?php _e( 'Edit Menu' ); ?></button>
		<?php
	}
}


<?php
/**
 * Customize API: WP_Customize_Nav_Menu_Locations_Control class
 *
 * @package WordPress
 * @subpackage Customize
 * @since 4.9.0
 */

/**
 * Customize Nav Menu Locations Control Class.
 *
 * @since 4.9.0
 *
 * @see WP_Customize_Control
 */
class WP_Customize_Nav_Menu_Locations_Control extends WP_Customize_Control {

	/**
	 * Control type.
	 *
	 * @since 4.9.0
	 * @var string
	 */
	public $type = 'nav_menu_locations';

	/**
	 * Don't render the control's content - it uses a JS template instead.
	 *
	 * @since 4.9.0
	 */
	public function render_content() {}

	/**
	 * JS/Underscore template for the control UI.
	 *
	 * @since 4.9.0
	 */
	public function content_template() {
		if ( current_theme_supports( 'menus' ) ) :
			?>
			<# var elementId; #>

					{{ wp.customize.Menus.data.l10n.locationsTitle }}
					<# if ( data.isCreating ) { #>

							<?php echo _x( 'Where do you want this menu to appear?', 'menu locations' ); ?>

								<?php
								printf(
									/* translators: 1: Documentation URL, 2: Additional link attributes, 3: Accessibility text. */
									_x( '(If you plan to use a menu widget%3$s, skip this step.)', 'menu locations' ),
									__( 'https://wordpress.org/support/article/wordpress-widgets/' ),
									' class="external-link" target="_blank"',
									sprintf(
										' %s',
										/* translators: Accessibility text. */
										__( '(opens in a new tab)' )
									)
								);
								?>

					<# } else { #>

<?php echo _x( 'Here’s where this menu appears. If you’d like to change that, pick another location.', 'menu locations' ); ?>

					<# } #>

				<?php foreach ( get_registered_nav_menus() as $location => $description ) : ?>
					<# elementId = _.uniqueId( 'customize-nav-menu-control-location-' ); #>

							<input id="{{ elementId }}" type="checkbox" data-menu-id="{{ data.menu_id }}" data-location-id="<?php echo esc_attr( $location ); ?>" class="menu-location" />

								<?php echo $description; ?>

									<?php
									printf(
										/* translators: %s: Menu name. */
										_x( '(Current: %s)', 'menu location' ),
										''
									);
									?>

				<?php endforeach; ?>

			<?php
		endif;
	}
}


<?php
/**
 * Customize API: WP_Customize_Nav_Menu_Name_Control class
 *
 * @package WordPress
 * @subpackage Customize
 * @since 4.4.0
 */

/**
 * Customize control to represent the name field for a given menu.
 *
 * @since 4.3.0
 *
 * @see WP_Customize_Control
 */
class WP_Customize_Nav_Menu_Name_Control extends WP_Customize_Control {

	/**
	 * Type of control, used by JS.
	 *
	 * @since 4.3.0
	 * @var string
	 */
	public $type = 'nav_menu_name';

	/**
	 * No-op since we're using JS template.
	 *
	 * @since 4.3.0
	 */
	protected function render_content() {}

	/**
	 * Render the Underscore template for this control.
	 *
	 * @since 4.3.0
	 */
	protected function content_template() {
		?>

			<# if ( data.label ) { #>
				{{ data.label }}
			<# } #>
			<input type="text" class="menu-name-field live-update-section-title"
				<# if ( data.description ) { #>
					aria-describedby="{{ data.section }}-description"
				<# } #>
				/>

		<# if ( data.description ) { #>

{{ data.description }}

		<# } #>
		<?php
	}
}


<?php
/**
 * Customize API: WP_Customize_Nav_Menu_Section class
 *
 * @package WordPress
 * @subpackage Customize
 * @since 4.4.0
 */

/**
 * Customize Menu Section Class
 *
 * Custom section only needed in JS.
 *
 * @since 4.3.0
 *
 * @see WP_Customize_Section
 */
class WP_Customize_Nav_Menu_Section extends WP_Customize_Section {

	/**
	 * Control type.
	 *
	 * @since 4.3.0
	 * @var string
	 */
	public $type = 'nav_menu';

	/**
	 * Get section parameters for JS.
	 *
	 * @since 4.3.0
	 * @return array Exported parameters.
	 */
	public function json() {
		$exported            = parent::json();
		$exported['menu_id'] = intval( preg_replace( '/^nav_menu\[(-?\d+)\]/', '$1', $this->id ) );

		return $exported;
	}
}