wp_customize_support_script()
Function: Prints a script to check whether or not the Customizer is supported, and apply either the no-customize-support or customize-support class to the body.
Source: wp-includes/theme.php:3677
is_customize_preview()
Function: Whether the site is being previewed in the Customizer.
Source: wp-includes/theme.php:3709
_wp_keep_alive_customize_changeset_dependent_auto_drafts()
Function: Makes sure that auto-draft posts get their post_date bumped or status changed to draft to prevent premature garbage-collection.
Source: wp-includes/theme.php:3744
_delete_attachment_theme_mod()
Function: Checks an attachment being deleted to see if it’s a header or background image.
Source: wp-includes/theme.php:3332
check_theme_switched()
Function: Checks if a theme has been changed and runs ‘after_switch_theme’ hook on the next WP load.
Source: wp-includes/theme.php:3360
_wp_customize_include()
Function: Includes and instantiates the WP_Customize_Manager class.
Source: wp-includes/theme.php:3412
_custom_header_background_just_in_time()
Function: Registers the internal custom header and background routines.
Source: wp-includes/theme.php:2842
_custom_logo_header_styles()
Function: Adds CSS to hide header text for custom logo, based on Customizer setting.
Source: wp-includes/theme.php:2880
get_theme_support()
Function: Gets the theme support arguments passed when registering that support.
Source: wp-includes/theme.php:2919
remove_theme_support()
Function: Allows a theme to de-register its support of a certain feature
Source: wp-includes/theme.php:2958