Symfony2: How to customize form error class in twig?

symfony logoIf you are new to Symfony2, you might come to a point where you want to customize the form error class. By default, all the form errors will be shown using a list which does not have any css class assigned to it.
symfony2 customize form error

To make the error message stand out, i need to add a css class to it and style the form error to be red color. Thanks to twig template, where i can easily extend the template to what i need.

How to customize form error in Symfony 2.6?


  • Create a new file at src/Acme/DemoBundle/Resources/views/Form/form_errors.html.twig with the content below:-

  • Once save, now we need to tell twig to load your template whenever form is load.
    So, go to app/config.yml, look for twig section and add the form and resources lines like below:-

  • Voila. whenever form is load, your customize form error will be loaded too!

* If you want to find out more about customizing form error using other way than twig, you can read this.

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