WP_Customize_Setting::post_value()
Method: Fetch and sanitize the $_POST value for the setting.
Source: wp-includes/class-wp-customize-setting.php:554
WP_Customize_Setting::check_capabilities()
Method: Validate user capabilities whether the theme supports the setting.
Source: wp-includes/class-wp-customize-setting.php:834
WP_Customize_Setting::sanitize()
Method: Sanitize an input.
Source: wp-includes/class-wp-customize-setting.php:566
WP_Customize_Setting::multidimensional()
Method: Multidimensional helper function.
Source: wp-includes/class-wp-customize-setting.php:856