get_site_option() │ WP 2.8.0

Retrieve an option value for the current network based on name of option.

No Hooks.

Mixed. Value set for the option.

get_site_option( $option, $default_value, $deprecated );

$option(string) (required): Name of the option to retrieve. Expected to not be SQL-escaped.
$default_value(mixed): Value to return if the option doesn't exist.
Default: false
$deprecated(true|false): Whether to use cache. Multisite only. Always set to true.
Default: true

$admin_email = get_site_option( 'admin_email' );

echo get_site_option( 'siteurl' );

$value = get_site_option( 'i_dont_exist' );

// $value == false

$value = get_site_option( 'i_dont_exist', 'blah' );

// $value == 'blah'

Since 2.8.0	Introduced.
Since 4.4.0	The `$use_cache` parameter was deprecated.
Since 4.4.0	Modified into wrapper for get_network_option()

function get_site_option( $option, $default_value = false, $deprecated = true ) {
	return get_network_option( null, $option, $default_value );
}