How to retrieve a select box option and set the field’s value to it?

How to retrieve a select box option and set the field’s value to it?

I have a a taxonomy term select box (called “product_keyword”) in a node that gets its options populated via the Reference Field Option Limit module. There are 3 other taxonomy term reference fields in the node that are responsible for limiting the... read more
How to retrieve a select box option and set the field’s value to it?

Custom form validation

I’ve created a custom module for populating a database and now I need to apply form validation to this form. I want a few different validation things to happen. I want to limit specific entries on the client side IE: only allowing 6 characters being entered etc.... read more
How to retrieve a select box option and set the field’s value to it?

Get the public path directory

I want to save file programmatically in public path, and I want to know how can I get Public Directory path in Drupal 8. In Drupal 7, I would use the following code. drupal_realpath(file_default_scheme() . ‘://’) What is the equivalent in Drupal... read more
How to retrieve a select box option and set the field’s value to it?

How can I exclude configuration from import/export?

I thought this was a simple use case of the new Configuration management system, but I haven’t had any luck finding out how to solve this: Problem I want to store configuration in git and use drush to export configuration during development and then on... read more