Replacing the content in the custom block is often challenging. In Drupal 8, the best way to replace the content in the custom block programmatically is to use module_preprocess_block alter. We have created a custom block and now we want to replace the value of the placeholder programmatically. For eg. On http://example.com/, we have...
Drupal 8 introduces a great templating system "Twig" which is originating from Symfony, a PHP framework. This has brought about a big change in the Drupal community. Unlike Drupal 7, developers can't use PHP functions directly now on. Twig is a template framework and is a direct replacement for PHP template. Twig extension...