WordPress at a glance
function is not described

_maybe_update_plugins() WP 2.7.0

Check the last time plugins were run before checking plugin versions.

This might have been backported to WordPress 2.6.1 for performance reasons. This is used for the wp-admin to check only so often instead of every page load.

No Hooks.

Return

Null. Nothing.

Usage

_maybe_update_plugins();

Changelog

Since 2.7.0 Introduced.

Code of maybe update plugins: wp-includes/update.php WP 5.2.2

<?php
function _maybe_update_plugins() {
	$current = get_site_transient( 'update_plugins' );
	if ( isset( $current->last_checked ) && 12 * HOUR_IN_SECONDS > ( time() - $current->last_checked ) ) {
		return;
	}
	wp_update_plugins();
}