Useful Links
Useful Links
Useful extensions
https://wbraganca.com/yii2extensions
Sorting/filtering in model met relaties
https://www.yiiframework.com/wiki/653/displaying-sorting-and-filtering-model-relations-on-a-gridview
Bootstrap (4) Icons
https://www.w3schools.com/icons/bootstrap_icons_glyphicons.asp
Caching example
Easy Debug - d() en dd()
https://www.yiiframework.com/wiki/793/debuging-variables-in-yii2
Krajee Exention
Login from Database
http://code-epicenter.com/how-to-login-user-from-a-database-in-yii-framework-2/