Symfony

Everything in Symfony

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  09/02/2026

  is_granted in Twig: roles and IS_AUTHENTICATED

  is_granted takes more than roles, and picking the wrong one gives you a check that quietly passes when it should not. What each attribute tests, why role hierarchy makes ROLE_USER true for your admins, and where the check belongs.

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  09/02/2026

  Leaving FOSUserBundle: what replaces each piece

  The bundle is maintained only enough for existing projects to migrate off it. Every piece it provided now has a replacement in Symfony itself or in two small bundles - and the migration is mostly deletion.

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  09/02/2026

  Rendering a Symfony form field by field in Twig

  One call renders the whole form and gives you no say in the markup. Splitting it up is four functions, and the one that matters most is form_rest - the safety net that stops a forgotten field from silently disappearing.

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  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.

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  01/01/2015

  Reading the current locale in Symfony

  The locale lives on the Request, not in a global. How to reach it from a controller, from a service that has no request, and from a template - and where it is set before any of that.

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  01/01/2015

  Limiting a Doctrine query with setMaxResults

  Here is an example of a simple DQL query in a custom repository method meant to return a single array result. The following will return the latest result in case there are multiple contact records that match the…

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  11/19/2014

  A card expiry month/year field in Symfony

  The old answer was to render DateType's day dropdown and hide it with CSS. That works until somebody uses a screen reader. Two choice fields and a small transformer do the job honestly.

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  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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  11/19/2013

  Knowing whether a Doctrine insert or update worked

  Doctrine has no return value to check after flush() - it signals failure by throwing. Wrapping it is the right instinct, but the version of this snippet that has been circulating since 2013 catches nothing at all.