__( 'Tax', 'ninja-forms' ), 'sidebar' => '', 'display_function' => 'ninja_forms_field_tax_display', 'group' => 'standard_fields', 'edit_conditional' => true, 'edit_req' => false, 'edit_options' => array( array( 'type' => 'text', 'name' => 'default_value', 'label' => __( 'Tax Percentage', 'ninja-forms' ), 'class' => 'widefat', 'desc' => __( 'Should be entered as a percentage. e.g. 8.25%, 4%', 'ninja-forms' ), ), array( 'type' => 'hidden', 'name' => 'payment_field_group', 'default' => 1, ), array( 'type' => 'hidden', 'name' => 'payment_tax', 'default' => 1, ), ), 'save_function' => 'ninja_forms_field_tax_save', ); ninja_forms_register_field( '_tax', $args ); } add_action( 'init', 'ninja_forms_register_field_tax' ); /* * Function to display our tax field on the front-end. * * @since 2.2.30 * @returns void */ function ninja_forms_field_tax_display( $field_id, $data, $form_id = '' ) { if(isset($data['default_value'])){ $default_value = $data['default_value']; }else{ $default_value = ''; } $field_class = ninja_forms_get_field_class( $field_id, $form_id ); ?> $val ) { $field = ninja_forms_get_field_by_id( $field_id ); if ( $field['type'] == '_tax' ) { if ( isset ( $val['default_value'] ) ) { if ( strpos( $val['default_value'], '%' ) === false ) { $data[$field_id]['default_value'] .= '%'; } } } } return $data; }