php

Most often we may want to show our custom forms in blocks. Here are the simple steps to accomplish this.

In the below code we will create a form called “MymoduleExampleForm” and this form will be placed in a custom block called “MymoduleExampleBlock”.

Step 1 – Create a custom module say 'mymodule'. For details on how to create a custom module in Drupal 

Step 2 – Create a php file named MymoduleForm.php in mymodule/src/Form and place the following code.

Drupal offers a mechanism in the backoffice to control the display of blocks, but it is sometimes necessary to set up a little more complex logic.

Here we are going to hide the "id_block" block from the "header" region when we are on an "article" type node via the HOOK_preprocess_page hook:

Content blocks are blocks that you create in the interface. They are much like nodes configurable data structures, with fields etc. If you want to render one of these, you can do what you would normally do with entities, load them and render them with the view builder: