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function is not described

is_wpmu_sitewide_plugin() WP 1.0

Deprecated in 3.0.0. It is no longer supported and can be removed in future releases. Use is_network_only_plugin() instead.

Deprecated functionality for determining if the current plugin is network-only.

  • See: is_network_only_plugin()

No Hooks.

Return

Nothing (null).

Usage

is_wpmu_sitewide_plugin( $file );

Code of is wpmu sitewide plugin: wp-admin/includes/ms-deprecated.php VER 5.0.3

<?php
function is_wpmu_sitewide_plugin( $file ) {
	_deprecated_function(__FUNCTION__, '3.0.0', 'is_network_only_plugin()' );
	return is_network_only_plugin( $file );
}