WP_Customize_Header_Image_Setting::update()
Method:
Source: wp-includes/customize/class-wp-customize-header-image-setting.php:29
Method:
Source: wp-includes/customize/class-wp-customize-header-image-setting.php:29
Class: A setting that is used to filter a value, but will not save the results.
Source: wp-includes/customize/class-wp-customize-header-image-setting.php:19