Tag

Validation

2 posts tagged Validation.

  • Diagram: addError() called from a controller landing on a specific field's inline error and on the form's own top-level error banner.

    06/11/2015

    Adding a form error from a controller in Symfony

    Some checks cannot live in a constraint because they need something the form does not know about. FormError attaches the message to a field, or to the form itself, so it renders where the user is looking.

  • Diagram: a DataTransformer throwing an exception into a field that shows a generic message, beside an alternative field showing custom text built from the invalid value.

    08/20/2014

    invalid_message: what a failed transformer shows

    A transformer that cannot convert what was typed throws, and Symfony turns that into a message the user reads. Left alone it says nothing useful; invalid_message is where you replace it.

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