is_network_only_plugin( string $plugin )

Checks for “Network: true” in the plugin header to see if this should be activated only as a network wide plugin. The plugin would also work when Multisite is not enabled.


Description

Checks for "Site Wide Only: true" for backward compatibility.


Parameters

$plugin

(string) (Required) Path to the main plugin file from plugins directory.


Return

(bool) True if plugin is network only, false otherwise.


Source

File: wp-admin/includes/plugin.php

function is_network_only_plugin( $plugin ) {
	$plugin_data = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin );
	if ( $plugin_data )
		return $plugin_data['Network'];
	return false;
}


Changelog

Changelog
Version Description
WP-3.0.0 Introduced.