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[Résolu] Make Field required on form

Ce fil est résolu. Voici une description du problème et la solution proposée.

This support ticket is created Il y a 5 années et 8 mois. There's a good chance that you are reading advice that it now obsolete.

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This topic contains 4 réponses, has 2 voix.

Last updated by FuChan Il y a 5 années et 8 mois.

Assisted by: Beda.

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#952749

你好

請問我如何把自定義欄位設定前置表單為必填,但後端為非必填?

謝謝您

#952785

Hi, I see you refer to some issue related to Custom Fields added to a form, but the results are unexpected, however, I do not understand more unfortunately 🙂

Luo, our Supporter in charge for the Chinese Forum, will be back next week.
If you have time to wait until then, I will assign this Thread to him.

If not, can you please reformulate the Question in English so I could help?

Thanks!

#954273

Hi Beda,

How can I set the custom field setting pre-form as required, but the backend is not required?

Thank you.

#954289

That could be done only on the Form itself.

This means, whatever field you use (A Post Field or a Generic Form Field) would need to be required on the Form only.

This is possible out of the box with Generic Fields (but they will not be saved automatically to the database without custom code).
The other possible approach is to create a Custom Field that is not required in Toolset > Post Fields

Include this field in the Form.

Now either validate this Field with the Forms API:
https://toolset.com/documentation/programmer-reference/cred-api/#cred_form_validate

add_filter('cred_form_validate','my_validation',10,2);
function my_validation($error_fields, $form_data)
{
    //field data are field values and errors
    list($fields,$errors)=$error_fields;
    //uncomment this if you want to print the field values
    //print_r($fields);
    //validate if specific form
    if ($form_data['id']==12)//Change forms ID
    {
        //check my_field value
        if ($fields['wpcf-my_field']['value']=='')//my_field is your custom field slug, if it's empty string, or could be empty()
        {
            //set error message for my_field
            $errors['wpcf-my_field']='this field is required';
        }
    }
    //return result
    return array($fields,$errors);
}

This would work in PHP

Or, you can wrap the Forms submit button in a Form conditionally that checks if your field is empty or not.
If it's empty it shows a message instead of the submit button:
"Fill in fields before submit":
https://toolset.com/documentation/user-guides/conditional-display-for-form-inputs/

[cred_show_group if="($(your_field) ne  '' )"  mode='fade-slide']
[cred_field field='form_submit' value='Submit' urlparam='' class='btn btn-primary btn-lg' output='bootstrap']
[/cred_show_group]
[cred_show_group if="($(your_field) eq  '' )"  mode='fade-slide']
Fill in fields before submit
[/cred_show_group]

This works on the front end and does not require reloading of the page (you do not submit the form until its complete)

#957896

Thank you. I solved it.

This ticket is now closed. If you're a WPML client and need related help, please open a new support ticket.