Title: pika's Replies | WordPress.org

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# pika

  [  ](https://wordpress.org/support/users/doantham/)

 *   [Profile](https://wordpress.org/support/users/doantham/)
 *   [Topics Started](https://wordpress.org/support/users/doantham/topics/)
 *   [Replies Created](https://wordpress.org/support/users/doantham/replies/)
 *   [Reviews Written](https://wordpress.org/support/users/doantham/reviews/)
 *   [Topics Replied To](https://wordpress.org/support/users/doantham/replied-to/)
 *   [Engagements](https://wordpress.org/support/users/doantham/engagements/)
 *   [Favorites](https://wordpress.org/support/users/doantham/favorites/)

 Search replies:

## Forum Replies Created

Viewing 2 replies - 1 through 2 (of 2 total)

 *   Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    In
   reply to: [[Contact Form 7 Multi-Step Forms] “Previous” Button not displaying](https://wordpress.org/support/topic/previous-button-not-displaying/)
 *  [pika](https://wordpress.org/support/users/doantham/)
 * (@doantham)
 * [6 years, 4 months ago](https://wordpress.org/support/topic/previous-button-not-displaying/#post-12421016)
 * Could you help me
    I create 2 form, but 1 form previour button working, 1 form
   previour button display none
 *   Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    In
   reply to: [[Contact Form 7] Radio button validation in Contact form 7](https://wordpress.org/support/topic/radio-button-validation-in-contact-form-7-8/)
 *  [pika](https://wordpress.org/support/users/doantham/)
 * (@doantham)
 * [9 years, 6 months ago](https://wordpress.org/support/topic/radio-button-validation-in-contact-form-7-8/#post-8523715)
 * function custom_cf7_required_radio_filter($result, $tag) {
    //global $my_radio_confirm;
   $tag = new WPCF7_Shortcode( $tag ); $name = $tag->name;
 *  if ($name == “invitation-card” && empty($_POST[$name])){
    $result->invalidate(
   $tag,”Please fill in all required fields.”); } return $result; } add_filter(‘
   wpcf7_validate_radio’, ‘custom_cf7_required_radio_filter’, 10, 2);

Viewing 2 replies - 1 through 2 (of 2 total)