If you've created admin forms in Drupal 7 previously, you'll see some pretty big differences in the way you define forms between Drupal 7 and Drupal 8, and there are still a lot of similarities.Forms are represented as nested arrays in both Drupal 7 and Drupal 8. But they are different in that in Drupal 7 you define your form arrays in functions and in Drupal 8 you create a form class.Command-Based Ajax Callback Functions in Drupal 8. If you are not using a wrapper element in your #ajax property, your Drupal 8 Ajax callback function should return a set of Ajax commands from the Drupal Ajax framework, in the form of an object of class \Drupal\Core\Ajax\AjaxResponse. I'm trying to create/add textfields dynamically in drupal depending on the selected option for a select list. if Jack is selected, then create textfield with "Jack" as content. What I have done so far using Drupal's #ajax property, I managed to create textfields but could not get the select list option as field value.
By default your Drupal content is immediately published when you click Save. But you can change this so you can write content but publish it at a later time. The Publishing options section lets you control what happens after you create content in Drupal. These options are available when you create or edit your article. […]PHP script for SELECT OPTION FIELD: HTML select tag allows user to choose one or more options from the given drop down list. Below example contains PHP script to get a single or multiple selected values from given HTML select tag. We are covering following operations on select option field using PHP script. To get value of a selected option ...