_maybe_update_core() │ WP 2.8.0

Determines whether core should be updated.

Internal function — this function is designed to be used by the kernel itself. It is not recommended to use this function in your code.

No Hooks.

Returns

null. Nothing (null).

Usage

_maybe_update_core();

Changelog

Since 2.8.0 Introduced.

_maybe_update_core() code WP 6.9.1

wp-includes/update.php 
function _maybe_update_core() {
	$current = get_site_transient( 'update_core' );

	if ( isset( $current->last_checked, $current->version_checked )
		&& 12 * HOUR_IN_SECONDS > ( time() - $current->last_checked )
		&& wp_get_wp_version() === $current->version_checked
	) {
		return;
	}

	wp_version_check();
}