_wp_customize_include()

Source

function _wp_customize_include() {	$is_customize_admin_page = ( is_admin() && 'customize.php' === basename( $_SERVER['PHP_SELF'] ) );	$should_include = (	$is_customize_admin_page	||	( isset( $_REQUEST['wp_customize'] ) && 'on' === $_REQUEST['wp_customize'] )	||	( ! empty( $_GET['customize_changeset_uuid'] ) || ! empty( $_POST['customize_changeset_uuid'] ) )	);	if ( ! $should_include ) {	return;	}	/* * Note that wp_unslash() is not being used on the input vars because it is * called before wp_magic_quotes() gets called. Besides this fact, none of * the values should contain any characters needing slashes anyway. */	$keys = array(	'changeset_uuid',	'customize_changeset_uuid',	'customize_theme',	'theme',	'customize_messenger_channel',	'customize_autosaved',	);	$input_vars = array_merge(	wp_array_slice_assoc( $_GET, $keys ),	wp_array_slice_assoc( $_POST, $keys )	);	$theme = null;	$autosaved = null;	$messenger_channel = null;	/* * Value false indicates UUID should be determined after_setup_theme * to either re-use existing saved changeset or else generate a new UUID if none exists. */	$changeset_uuid = false;	/* * Set initially to false since defaults to true for back-compat; * can be overridden via the customize_changeset_branching filter. */	$branching = false;	if ( $is_customize_admin_page && isset( $input_vars['changeset_uuid'] ) ) {	$changeset_uuid = sanitize_key( $input_vars['changeset_uuid'] );	} elseif ( ! empty( $input_vars['customize_changeset_uuid'] ) ) {	$changeset_uuid = sanitize_key( $input_vars['customize_changeset_uuid'] );	}	// Note that theme will be sanitized via WP_Theme.	if ( $is_customize_admin_page && isset( $input_vars['theme'] ) ) {	$theme = $input_vars['theme'];	} elseif ( isset( $input_vars['customize_theme'] ) ) {	$theme = $input_vars['customize_theme'];	}	if ( ! empty( $input_vars['customize_autosaved'] ) ) {	$autosaved = true;	}	if ( isset( $input_vars['customize_messenger_channel'] ) ) {	$messenger_channel = sanitize_key( $input_vars['customize_messenger_channel'] );	}	/* * Note that settings must be previewed even outside the customizer preview * and also in the customizer pane itself. This is to enable loading an existing * changeset into the customizer. Previewing the settings only has to be prevented * here in the case of a customize_save action because this will cause WP to think * there is nothing changed that needs to be saved. */	$is_customize_save_action = (	wp_doing_ajax()	&&	isset( $_REQUEST['action'] )	&&	'customize_save' === wp_unslash( $_REQUEST['action'] )	);	$settings_previewed = ! $is_customize_save_action;	require_once ABSPATH . WPINC . '/class-wp-customize-manager.php';	$GLOBALS['wp_customize'] = new WP_Customize_Manager(	compact(	'changeset_uuid',	'theme',	'messenger_channel',	'settings_previewed',	'autosaved',	'branching'	)	); } 

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