wp_should_upgrade_global_tables(): bool

3770function wp_should_upgrade_global_tables() {3771 3772	// Return false early if explicitly not upgrading.3773	if ( defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) {3774		return false;3775	}3776 3777	// Assume global tables should be upgraded.3778	$should_upgrade = true;3779 3780	// Set to false if not on main network (does not matter if not multi-network).3781	if ( ! is_main_network() ) {3782		$should_upgrade = false;3783	}3784 3785	// Set to false if not on main site of current network (does not matter if not multi-site).3786	if ( ! is_main_site() ) {3787		$should_upgrade = false;3788	}3789 3790	/**3791	 * Filters if upgrade routines should be run on global tables.3792	 *3793	 * @since 4.3.03794	 *3795	 * @param bool $should_upgrade Whether to run the upgrade routines on global tables.3796	 */3797	return apply_filters( 'wp_should_upgrade_global_tables', $should_upgrade );3798}