Computed(integer): This field automatically populates an integer valued based on the php code.Computed (float): This field automatically populates a floating value based on the php code.Computed (decimal): This field automatically populates as decimal value based on the php code.Step 2 - Go to Manage fields, add field of type Computed field. For now, I have selected the Article content type. Step1 - Once you have enabled the module, navigate to Structure -> content- type -> select your content type. Using Computed Field to automatically populate content Once you have installed the module, navigate to extent and enable the Computed field module. Initially, you will need to download the Drupal Computed Field module from this link - or you can Install with the Composer : composer require 'drupal/computed_field:^2.0'

Installing the Drupal 8 Computed Field Module: It is also recommended that you first test your PHP code in the Body field of a Drupal page. This module is recommended to be used by developers with good skills and knowledge in PHP and Drupal APIs. Adding PHP code in the text area (“ Insert your working code here”) without the use of Hooks in custom modules, is a huge threat to the security of your website. This module comes with a security warning as the custom code entered in the field is going to be saved in the database. These values can be either stored directly in the database or can be calculated while using node views. This module is a very powerful field module that allows us to insert custom calculated/computed fields via PHP code. When you want to populate content automatically without user inputs in Drupal, we can leverage the Computed Field Module for Drupal 8. Or you might just want to store the current user’s data directly into the database. Sometimes, you might need a field that is a computation of two or more fields, which does not need user inputs. There are times when you have tons of Fields, a few of which can be consolidated into one field. Computed Field Module is extremely beneficial to a Drupal developer at various events.

Drupal devel populate fields