WordPress Core Updates: disable wp_version_check single event creation

wp-versioncheck-disable.php

<?php

/**
 * Core Update: disable wp_version_check single event creation
 *
 * @param null|bool|WP_Error $pre       Value to return instead. Default null to continue adding the event.
 * @param stdClass           $event     {
 *                                      An object containing an event's data.
 *
 * @type string              $hook      Action hook to execute when the event is run.
 * @type int                 $timestamp Unix timestamp (UTC) for when to next run the event.
 * @type string|false        $schedule  How often the event should subsequently recur.
 * @type array               $args      Array containing each separate argument to pass to the hook's callback function.
 * @type int                 $interval  The interval time in seconds for the schedule. Only present for recurring events.
 * }
 *
 * @param bool               $wp_error  Whether to return a WP_Error on failure.
 */
function pre_schedule_event_disableversioncheck( $pre, $event, $wp_error ) {

	if ( $event->hook === 'wp_version_check' && $event->schedule === false ) {
		return new WP_Error(
			'pre_schedule_event_false',
			__( 'Disabling wp_version_check single event.' )
		);
	}

	return $pre;
}
add_filter( 'pre_schedule_event', 'pre_schedule_event_disableversioncheck', 10, 3 );