The following is a list of Drupal interview questions for Technical skills Senior Drupal Developers

If we save any node, then that table gets saved in the database.If we save any user profile data, we save it in which table gets saved in the database.How to Fetch Data From Database & Display Drupal 8How to store data in a database from a custom form and render data in a twig …

The 10 most critical Drupal security risks

1. SQL Injection You shouldn't use data that you don't trust (as a feed, a user input, another database, etc) directly in a database query without escaping it: index.php?id=12 mysql_query("UPDATE mytable SET value = '". $value ."' WHERE id = ". $_GET['id']); Instead, you should use Drupal functions passing the user input as parameters: db_query("UPDATE {mytable} …

How to Uninstall/Disable Module manually through the database in Drupal 8?

Working with Module is one of the Drupal’s strength. Drupal 8 Modules are easy to install and uninstall from Dashboard, but sometimes due to Fatal errors, Admin Access is not accessible. What to do when Admin can not access the site. Drush is the best option in this situation but what if Drush is not …

Drupal 8 interview questions for experienced Drupal Developer

1. Where do I download a base theme for Drupal 8? As of this writing, you don't. It's true that there are a few themes that have tried to keep pace with Drupal 8 in the pre-beta phase. These are admirable efforts, but none have kept up with the rapid pace of D8 development. I tried …

Drupal 8 Theme folder structure

A theme is a collection of files that define the presentation layer. You can also create one or more "sub-themes" or variations on a theme. Only the .info.yml file is required, but most themes and sub-themes will use other files as well. This page lists the files and folders that are found in a typical …

Create a custom form in Drupal 8

In Drupal 8 form API is similar to Drupal 7 Form API. forms still uses array structure to render the data. but having separate validation and submission form.Drupal 8 has some new (HTML 5) elements available. New HTML 5 elements like 'tel','email','number','date','url','search','range' etc. In Drupal 8 Form classes implement the \Drupal\Core\Form\FormBuilderInterface and the basic workflow …

PHP to OPcode caching enable in Drupal 8

1.Goto >> C:/xampp/php/php.ini edit this file and at very last add this code... 2.  Then add this line into the file      [opcache] zend_extension=php_opcache.dll ;Determines if Zend OPCache in enabled opcache.enable=1 3. Then restart your apache server