add_network_option( int|null $network_id, string $option, mixed $value ): bool

Source

function add_network_option( $network_id, $option, $value ) {	global $wpdb;	if ( $network_id && ! is_numeric( $network_id ) ) {	return false;	}	$network_id = (int) $network_id;	// Fallback to the current network if a network ID is not specified.	if ( ! $network_id ) {	$network_id = get_current_network_id();	}	wp_protect_special_option( $option );	/** * Filters the value of a specific network option before it is added. * * The dynamic portion of the hook name, `$option`, refers to the option name. * * @since 2.9.0 As 'pre_add_site_option_' . $key * @since 3.0.0 * @since 4.4.0 The `$option` parameter was added. * @since 4.7.0 The `$network_id` parameter was added. * * @param mixed $value Value of network option. * @param string $option Option name. * @param int $network_id ID of the network. */	$value = apply_filters( "pre_add_site_option_{$option}", $value, $option, $network_id );	$notoptions_key = "$network_id:notoptions";	if ( ! is_multisite() ) {	$result = add_option( $option, $value, '', false );	} else {	$cache_key = "$network_id:$option";	/* * Make sure the option doesn't already exist. * We can check the 'notoptions' cache before we ask for a DB query. */	$notoptions = wp_cache_get( $notoptions_key, 'site-options' );	if ( ! is_array( $notoptions ) || ! isset( $notoptions[ $option ] ) ) {	if ( false !== get_network_option( $network_id, $option, false ) ) {	return false;	}	}	$value = sanitize_option( $option, $value );	$serialized_value = maybe_serialize( $value );	$result = $wpdb->insert(	$wpdb->sitemeta,	array(	'site_id' => $network_id,	'meta_key' => $option,	'meta_value' => $serialized_value,	)	);	if ( ! $result ) {	return false;	}	wp_cache_set( $cache_key, $value, 'site-options' );	// This option exists now.	$notoptions = wp_cache_get( $notoptions_key, 'site-options' ); // Yes, again... we need it to be fresh.	if ( is_array( $notoptions ) && isset( $notoptions[ $option ] ) ) {	unset( $notoptions[ $option ] );	wp_cache_set( $notoptions_key, $notoptions, 'site-options' );	}	}	if ( $result ) {	/** * Fires after a specific network option has been successfully added. * * The dynamic portion of the hook name, `$option`, refers to the option name. * * @since 2.9.0 As "add_site_option_{$key}" * @since 3.0.0 * @since 4.7.0 The `$network_id` parameter was added. * * @param string $option Name of the network option. * @param mixed $value Value of the network option. * @param int $network_id ID of the network. */	do_action( "add_site_option_{$option}", $option, $value, $network_id );	/** * Fires after a network option has been successfully added. * * @since 3.0.0 * @since 4.7.0 The `$network_id` parameter was added. * * @param string $option Name of the network option. * @param mixed $value Value of the network option. * @param int $network_id ID of the network. */	do_action( 'add_site_option', $option, $value, $network_id );	return true;	}	return false; } 

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