WordPress at a glance
function is not described

add_site_option() WP 2.8.0

Adds a new option for the current network.

Existing options will not be updated. Note that prior to 3.3 this wasn't the case.

No Hooks.

Return

true/false. True if the option was added, false otherwise.

Usage

add_site_option( $option, $value );
$option(string) (required)
Name of the option to add. Expected to not be SQL-escaped.
$value(mixed) (required)
Option value, can be anything. Expected to not be SQL-escaped.

Notes

  • See: add_network_option()

Changelog

Since 2.8.0 Introduced.
Since 4.4.0 Modified into wrapper for add_network_option()

Code of add_site_option() WP 5.5.1

<?php
function add_site_option( $option, $value ) {
	return add_network_option( null, $option, $value );
}