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Form Questions /

Moderators: martimiz, Sean, Ed, biapar, Willr, Ingo, swaiba

Custom validation

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3 Posts   1048 Views


Community Member, 175 Posts

12 March 2011 at 8:22am

hi there,

My users can decide if they want receive money via paypal or banktransfer. There is a dropdownfield where users can choose
between this 2 options. Only if a user choose paypal I want to check if there is a paypal emailadresse and if it's correct (syntax).
And I only want to check if users filled out their bank data if they choosed banktransfer as payment type.

So I subclassed TextField because I need a custom validation. But in my custom validation I also need the value(s) from other form fields, as described above.

In this schema ...

class PaypalEmailField extends TextField {
function validate($validator) {

... I only have access to 1 formfield.

How to make all form fields accessable in the validator function?

To add the validation I use "new RequiredFields" ... but some fields are only required if other fields have special values :-)

anybody dealed with this problematic yet?



Community Member, 175 Posts

12 March 2011 at 8:33am


Forum Moderator, 1899 Posts

12 March 2011 at 8:34am

I'd deal with this within the form action function before doing a redirect (or whatever action), or if in the CMS I'd use a custom validator for the data object being saved.