I have a field (let’s suppose it’s “prices”) that should only be required if other field (named “type”) is some value. I saw that if some Input it’s not required, the package ignore when value is not provided, so add a validator in validator chain is useless. Also, if it’s required, the Input metho…

Hello and welcome to our forums! :smiley: Do you mean laminas-inputfilter or the usage in form via laminas-form?

Hi @valdinei , The answer given in this post by @froschdesign might help you. Thanks!

Hi, @ALTAMASH80 . So, I know about the $context argument, but as I said in my post the validator that I would create and use the $context variable in isValid method won’t even be called by Input class (in this line 416). The validation will fail in InputFilter isValid method (because the field is e…

Hi @valdinei , [image] valdinei: The issue is not about condition with other field, is about be required in some conditions (what I think that it’s not possible with these packages). If you think what you’re trying to achieve is not possible in Laminas Validators/Filters packages then you sho…

before you validate your form in your controller you can test the value of the type field and it its the type that doesn’t require a price you can remove the validator from the price field prior to validating the posted data.

[image] williamgall: before you validate your form in your controller you can test the value of the type field and it its the type that doesn’t require a price you can remove the validator from the price field prior to validating the posted data. Please don’t do this! The form or the input fi…

[image] valdinei: in other words, I want to run the validator chain even if the value was not provided. In some cases, the validation chain you define is never reached because the Laminas\InputFilter\Input::isValid() method produces a result before it: laminas/laminas-inputfilter/blo…

I realize there are cons to my approach but it solves the problem till someone like you can point us to a more elegant solution. Thank You

[image] williamgall: I realize there are cons to my approach but it solves the problem till someone like you can point us to a more elegant solution. Normalise and validate input – or other things – should not be spread over several layers. If you isolate it, it should work completely and cor…

How to require a field only if some condition is true?

Questions Components & MVC

ALTAMASH80 February 10, 2023, 3:29pm 6

Hi @valdinei,

If you think what you’re trying to achieve is not possible in Laminas Validators/Filters packages then you should file an issue in the Laminas Form package and contribute to making it better for others. Thanks!

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How to require a field only if some condition is true?

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