print_extra_script example

    public function print_scripts_l10n( $handle, $display = true ) {
        _deprecated_function( __FUNCTION__, '3.3.0', 'WP_Scripts::print_extra_script()' );
        return $this->print_extra_script( $handle, $display );
    }

    /** * Prints extra scripts of a registered script. * * @since 3.3.0 * * @param string $handle The script's registered handle. * @param bool $display Optional. Whether to print the extra script * instead of just returning it. Default true. * @return bool|string|void Void if no data exists, extra scripts if `$display` is true, * true otherwise. */