wp-includes/class-wp-customize-setting.php:277Reset $aggregated_multidimensionals static variable.
public static function reset_aggregated_multidimensionals() { self::$aggregated_multidimensionals = array(); }Introduced in 4.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-customize-setting.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.