wp_should_upgrade_global_tables(): bool

3816function wp_should_upgrade_global_tables() {3817 3818	// Return false early if explicitly not upgrading.3819	if ( defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) {3820		return false;3821	}3822 3823	// Assume global tables should be upgraded.3824	$should_upgrade = true;3825 3826	// Set to false if not on main network (does not matter if not multi-network).3827	if ( ! is_main_network() ) {3828		$should_upgrade = false;3829	}3830 3831	// Set to false if not on main site of current network (does not matter if not multi-site).3832	if ( ! is_main_site() ) {3833		$should_upgrade = false;3834	}3835 3836	/**3837	 * Filters if upgrade routines should be run on global tables.3838	 *3839	 * @since 4.3.03840	 *3841	 * @param bool $should_upgrade Whether to run the upgrade routines on global tables.3842	 */3843	return apply_filters( 'wp_should_upgrade_global_tables', $should_upgrade );3844}