array( 'amp', 'url_type' ), 'label' => esc_html__( 'AMP URL Type:', 'w3-total-cache' ), 'control' => 'radiogroup', 'radiogroup_values' => array( 'tag' => 'tag', 'querystring' => 'query string', ), 'description' => esc_html__( 'If AMP page URLs are tag based (/my-page/amp/) or query string based (/my-page?amp)', 'w3-total-cache' ), ) ); Util_Ui::config_item( array( 'key' => array( 'amp', 'url_postfix' ), 'label' => esc_html__( 'AMP URL Postfix:', 'w3-total-cache' ), 'control' => 'textbox', 'description' => 'Postfix used', ) ); ?>