public static function is_wp_plugin_active( $plugin_file ) {
		$active_plugins = (array) get_option( 'active_plugins', array() );

		if ( is_multisite() ) {
			$active_plugins = array_merge( $active_plugins, get_site_option( 'active_sitewide_plugins', array() ) );
		}

		return in_array( $plugin_file, $active_plugins ) || array_key_exists( $plugin_file, $active_plugins );
	}