How to create a Composer plugin

After tinkering around with Symfony4 and Flex I was curious about how Composer plugins work. So I started to check the Composer’s plugin API and the official documentation from The documentation is great and you even have a full example of a plugin but when I wanted to test it… nothing. The plugin wasn’t loaded and nothing happened.

Add PDF export functionality in SonataAdminBundle

By default SonataAdminBundle doesn’t come with a PDF export functionality. Since this is a nice feature to have in your application here’s a way to add PDF export to the CRUD pages. The example works with the standard Symfony2 installation and the AcmeDemoBundle. The PDF will be generated using KnpSnappyBundle.

Use your browser to decode base64 encoded data

If you are dealing with base64 encoded data you may find useful to know that any modern browser can easily decode it using the Data URI scheme. All you need is pass the encoded data to the browser in the same way as you would enter a regular URL, but of course using the correct structure of the data URI scheme.