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How to upgrade from Drupal 8 to 9 with composer [blog post + screen cast]
This blogposts gives you a summary on how to upgrade to drupal 9 and fix all composer issues.
How to programmatically update an entity reference field in drupal 8
Drupal 8 is becoming more and more API-first based. This means a lot of imports and exports of data will be done. A thing you might face here, is that the updating of entity reference fields is a bit tricky. Here I'll show you how it is done.
Create paragraphs and attach to node programmatically in drupal 8
Paragraphs give great power to drupal 8. This code will show you how you can add them programmatically, for example when importing stuff.
Disable block caching in drupal 8
When creating custom blocks, sometimes you need to make sure the block is never cached f.e. when including dynamic links.
Error: Call to undefined function entity_get_display()
How to render button with class from Route in drupal 8, 9, 10
With the following snippet you can create a link or button with classes from a route.
How to fix Symfony\Component\Routing\Exception\RouteNotFoundException: Route "" does not exist.
Five ways of using the path twig function for route links in drupal 8, 9 or 10
Linking to routes in Twig has become much easier since the release of some updates in Drupal 8. Here are 5 snippets that help when linking to internal routes.
How to use entityQuery Exists condition with entity reference
This snippet returns TRUE or FALSE if an entity has a filled-in value on a entity reference on field_winner field.
How to pass variables to html render arrays with FormattableMarkup in drupal 8, 9 and 10
Mixing HTML with variables is common practice when developing custom applications. This snippet shows how to mix HTML and variables the correct way.
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