Get Theme details (Name, Regions, Libraries ...)
Get current theme.
$theme = \Drupal::theme()->getActiveTheme();
Theme name:
$theme_name = \Drupal::theme()->getActiveTheme()->getName();
Welcome To Drupal 8
Drupal is a CMS (Content Management System) open-source written in PHP. Drupl 8 is the latest version of Drupal successor of Drupal 7 popular for its security, flexibility and scalability, used on the complex high traffic web applications as well as small showcase sites. Drupal 8 is comes with over 200 new features and improvements including native full responsive support, multilingual support, REST Full web service. Drupal 8 was created in PHP using Symfony 2 Framework and TWIG templating system.
This web site is a set of tutorials help to new Drupal 8 developers and persons who want to be a Drupal 8 developer or a webmaster. The level of the tutorials are start from very basic (beginners) and can be very complex (Experts). I hope the site is useful for you and you are welcome to share your knowledge, ideas and experience. Thank you.
Drupal 8 breadcrumb functions (menu_get_active_trail, and menu_link_get_preferred ...)
Those functions [ menu_set_active_item(), menu_set_active_trail(), menu_get_active_trail(), menu_link_get_preferred() ] are removed on D8 and replaces with drupal 8 service. You can use following example to get data and to edit.
Example :
GIT , Remove all old changes and make Current as initial
This is the brute-force method. It also removes the configuration of the repository.
Step 1: remove all historyrm -rf .git
Isset() VS Empty() VS Is_null()
Those are three functions allow you to determine the nature of a variable, with a bit different.
Comparison table
Change Date format on Views BEF
There are several methodes.
Change date format Using custom module.