Mini Shell

<?php
/**
 * Theme Customize Screen.
 *
 * @package WordPress
 * @subpackage Customize
 * @since 3.4.0
 */

define( 'IFRAME_REQUEST', true );

/** Load WordPress Administration Bootstrap */
require_once( dirname( __FILE__ ) . '/admin.php' );

if ( ! current_user_can( 'customize' ) ) {
	wp_die(
		'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
		'<p>' . __( 'Sorry, you are not allowed to customize this site.' ) . '</p>',
		403
	);
}

/**
 * @global WP_Scripts           $wp_scripts
 * @global WP_Customize_Manager $wp_customize
 */
global $wp_scripts, $wp_customize;

if ( $wp_customize->changeset_post_id() ) {
	$changeset_post = get_post( $wp_customize->changeset_post_id() );

	if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->edit_post, $changeset_post->ID ) ) {
		wp_die(
			'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
			'<p>' . __( 'Sorry, you are not allowed to edit this changeset.' ) . '</p>',
			403
		);
	}

	$missed_schedule = (
		'future' === $changeset_post->post_status &&
		get_post_time( 'G', true, $changeset_post ) < time()
	);
	if ( $missed_schedule ) {
		/*
		 * Note that an Ajax request spawns here instead of just calling `wp_publish_post( $changeset_post->ID )`.
		 *
		 * Because WP_Customize_Manager is not instantiated for customize.php with the `settings_previewed=false`
		 * argument, settings cannot be reliably saved. Some logic short-circuits if the current value is the
		 * same as the value being saved. This is particularly true for options via `update_option()`.
		 *
		 * By opening an Ajax request, this is avoided and the changeset is published. See #39221.
		 */
		$nonces       = $wp_customize->get_nonces();
		$request_args = array(
			'nonce'                      => $nonces['save'],
			'customize_changeset_uuid'   => $wp_customize->changeset_uuid(),
			'wp_customize'               => 'on',
			'customize_changeset_status' => 'publish',
		);
 		ob_start();
 		?>
 		<?php wp_print_scripts( array( 'wp-util' ) ); ?>
 		<script>
			wp.ajax.post( 'customize_save', <?php echo wp_json_encode( $request_args ); ?> );
 		</script>
 		<?php
 		$script = ob_get_clean();

		wp_die(
			'<h1>' . __( 'Your scheduled changes just published' ) . '</h1>' .
			'<p><a href="' . esc_url( remove_query_arg( 'changeset_uuid' ) ) . '">' . __( 'Customize New Changes' ) . '</a></p>' . $script,
			200
		);
	}

	if ( in_array( get_post_status( $changeset_post->ID ), array( 'publish', 'trash' ), true ) ) {
		wp_die(
			'<h1>' . __( 'Something went wrong.' ) . '</h1>' .
			'<p>' . __( 'This changeset cannot be further modified.' ) . '</p>' .
			'<p><a href="' . esc_url( remove_query_arg( 'changeset_uuid' ) ) . '">' . __( 'Customize New Changes' ) . '</a></p>',
			403
		);
	}
}


wp_reset_vars( array( 'url', 'return', 'autofocus' ) );
if ( ! empty( $url ) ) {
	$wp_customize->set_preview_url( wp_unslash( $url ) );
}
if ( ! empty( $return ) ) {
	$wp_customize->set_return_url( wp_unslash( $return ) );
}
if ( ! empty( $autofocus ) && is_array( $autofocus ) ) {
	$wp_customize->set_autofocus( wp_unslash( $autofocus ) );
}

$registered             = $wp_scripts->registered;
$wp_scripts             = new WP_Scripts;
$wp_scripts->registered = $registered;

add_action( 'customize_controls_print_scripts', 'print_head_scripts', 20 );
add_action( 'customize_controls_print_footer_scripts', '_wp_footer_scripts' );
add_action( 'customize_controls_print_styles', 'print_admin_styles', 20 );

/**
 * Fires when Customizer controls are initialized, before scripts are enqueued.
 *
 * @since 3.4.0
 */
do_action( 'customize_controls_init' );

wp_enqueue_script( 'heartbeat' );
wp_enqueue_script( 'customize-controls' );
wp_enqueue_style( 'customize-controls' );

/**
 * Enqueue Customizer control scripts.
 *
 * @since 3.4.0
 */
do_action( 'customize_controls_enqueue_scripts' );

// Let's roll.
@header( 'Content-Type: ' . get_option( 'html_type' ) . '; charset=' . get_option( 'blog_charset' ) );

wp_user_settings();
_wp_admin_html_begin();

$body_class = 'wp-core-ui wp-customizer js';

if ( wp_is_mobile() ) :
	$body_class .= ' mobile';

	?>
	<meta name="viewport" id="viewport-meta" content="width=device-width, initial-scale=1.0, minimum-scale=0.5, maximum-scale=1.2" />
	<?php
endif;

if ( $wp_customize->is_ios() ) {
	$body_class .= ' ios';
}

if ( is_rtl() ) {
	$body_class .= ' rtl';
}
$body_class .= ' locale-' . sanitize_html_class( strtolower( str_replace( '_', '-', get_user_locale() ) ) );

$admin_title = sprintf( $wp_customize->get_document_title_template(), __( 'Loading&hellip;' ) );

?>
<title><?php echo $admin_title; ?></title>

<script type="text/javascript">
var ajaxurl = <?php echo wp_json_encode( admin_url( 'admin-ajax.php', 'relative' ) ); ?>,
	pagenow = 'customize';
</script>

<?php
/**
 * Fires when Customizer control styles are printed.
 *
 * @since 3.4.0
 */
do_action( 'customize_controls_print_styles' );

/**
 * Fires when Customizer control scripts are printed.
 *
 * @since 3.4.0
 */
do_action( 'customize_controls_print_scripts' );
?>
</head>
<body class="<?php echo esc_attr( $body_class ); ?>">
<div class="wp-full-overlay expanded">
	<form id="customize-controls" class="wrap wp-full-overlay-sidebar">
		<div id="customize-header-actions" class="wp-full-overlay-header">
			<a class="customize-controls-close" href="<?php echo esc_url( $wp_customize->get_return_url() ); ?>">
				<span class="screen-reader-text"><?php _e( 'Close the Customizer and go back to the previous page' ); ?></span>
			</a>
			<?php $save_text = $wp_customize->is_theme_active() ? __( 'Publish' ) : __( 'Activate &amp; Publish' ); ?>
			<div id="customize-save-button-wrapper" class="customize-save-button-wrapper" >
				<?php submit_button( $save_text, 'primary save', 'save', false ); ?>
				<button id="publish-settings" class="publish-settings button-primary button dashicons dashicons-admin-generic" aria-label="<?php esc_attr_e( 'Publish Settings' ); ?>" aria-expanded="false" disabled></button>
			</div>
			<span class="spinner"></span>
			<?php $previewable_devices = $wp_customize->get_previewable_devices(); ?>
			<?php if ( ! empty( $previewable_devices ) ) : ?>
			<div class="devices-wrapper">
				<div class="devices">
					<?php foreach ( (array) $previewable_devices as $device => $settings ) : ?>
						<?php
						if ( empty( $settings['label'] ) ) {
							continue;
						}
						$active = ! empty( $settings['default'] );
						$class  = 'preview-' . $device;
						if ( $active ) {
							$class .= ' active';
						}
						?>
						<button type="button" class="<?php echo esc_attr( $class ); ?>" aria-pressed="<?php echo esc_attr( $active ); ?>" data-device="<?php echo esc_attr( $device ); ?>">
							<span class="screen-reader-text"><?php echo esc_html( $settings['label'] ); ?></span>
						</button>
					<?php endforeach; ?>
				</div>
			</div>
			<?php endif; ?>
		</div>

		<div id="customize-sidebar-outer-content">
			<div id="customize-outer-theme-controls">
				<ul class="customize-outer-pane-parent"><?php // Outer panel and sections are not implemented, but its here as a placeholder to avoid any side-effect in api.Section. ?></ul>
			</div>
		</div>

		<div id="widgets-right" class="wp-clearfix"><!-- For Widget Customizer, many widgets try to look for instances under div#widgets-right, so we have to add that ID to a container div in the Customizer for compat -->
			<div id="customize-notifications-area" class="customize-control-notifications-container">
				<ul></ul>
			</div>
			<div class="wp-full-overlay-sidebar-content" tabindex="-1">
				<div id="customize-info" class="accordion-section customize-info">
					<div class="accordion-section-title">
						<span class="preview-notice">
						<?php
							echo sprintf( __( 'You are customizing %s' ), '<strong class="panel-title site-title">' . get_bloginfo( 'name', 'display' ) . '</strong>' );
						?>
						</span>
					</div>
				</div>

				<div id="customize-theme-controls">
					<ul class="customize-pane-parent"><?php // Panels and sections are managed here via JavaScript ?></ul>
				</div>
			</div>
		</div>

		<div id="customize-footer-actions" class="wp-full-overlay-footer">
			<button type="button" class="collapse-sidebar button" aria-expanded="true" aria-label="<?php echo esc_attr( _x( 'Hide Controls', 'label for hide controls button without length constraints' ) ); ?>">
				<span class="collapse-sidebar-arrow"></span>
				<!-- <span class="collapse-sidebar-label"><?php _ex( 'Hide Controls', 'short (~12 characters) label for hide controls button' ); ?></span> -->
			</button>
		</div>
	</form>
	<div id="customize-preview" class="wp-full-overlay-main"></div>
	<?php

	/**
	 * Prints templates, control scripts, and settings in the footer.
	 *
	 * @since 3.4.0
	 */
	do_action( 'customize_controls_print_footer_scripts' );
	?>
</div>
</body>
</html>