Private Access Private Access
This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.
Check themes versions only after a duration of time.
This is for performance reasons to make sure that on the theme version checker is not run on every page load.
/** * Determines whether core should be updated. * * @since 2.8.0 * * @global string $wp_version The WordPress version string.