Code snippets

You will find here 8 code snippets I find useful so I don't have to Google ™ or Stackoverflow ™ them when I need. There are also code snippets I always forget! 😁 Sometimes, related links to the code will be available. The main difference with other random snippets you will find on the web is that in most cases (for the Symfony related ones) you will be able to run them directly from this website to check the output so you can verify it works as expected ™.

In this snippet, we will see how to mark with an asterisk all the required fields of a Symfony form. We will do it with CSS. Inspe...

Symfony

Published on 2020-08-25 • Modified on 2020-08-25

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In this snippet, we will see how to manually render checkboxes of a form with Twig. This can be useful when you have special thing...

Symfony

Published on 2020-01-21 • Modified on 2020-01-21

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Sometimes it's useful to know if a form is valid inside a Twig template. Indeed, when using the form_ helpers like form_error all ...

Symfony

Published on 2019-07-23 • Modified on 2019-11-08

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When having form for entities, it is common to have unique constraints, for example on the username or the email of a user. I am n...

Symfony

Published on 2019-07-04 • Modified on 2019-07-04

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It's now common to have forms using multiple steps. Generally you build one form and depending on the current step you will displa...

JavaScript

Published on 2019-06-17 • Modified on 2020-04-20

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When buidling a form, sometimes you want a field to be rendered with the help of Vue.js instead of Symfony. Using Vue.js allows us...

Symfony

Published on 2019-06-12 • Modified on 2019-06-12

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[Edit 2020-04-18] Vue resource is not maintained any-more, please use a third-party library like Axios. Sometimes, we need to subm...

JavaScript

Published on 2019-04-23 • Modified on 2020-04-20

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Sometimes validating each field of a form is not enough. In some cases you need a conditional validation. That means that the vali...

Symfony

Published on 2019-03-26 • Modified on 2019-03-28

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