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How to set the page title in Drupal 8? drupal_set_title() in Drupal 8 ? drupal_get_title() in Drupal8?

Using the following lines of code in hook_form_alter()  , able to set the title and get the title after saving the code do CLEAR CACHE drupal_set_title() in  Drupal8 $request = \ Drupal :: request (); if ( $route = $request -> attributes -> get (\ Symfony \ Cmf \ Component \ Routing \ RouteObjectInterface :: ROUTE_OBJECT )) { $route -> setDefault ( '_title' , 'New Title' ); } drupal_get_title() in Drupal8 $request = \ Drupal :: request (); if ( $route = $request -> attributes -> get (\ Symfony \ Cmf \ Component \ Routing \ RouteObjectInterface :: ROUTE_OBJECT )) { $title = \ Drupal :: service ( 'title_resolver' ) -> getTitle ( $request , $route ); }

How to create the Popup or modal in Drupal 8?

The following code will help you to create the popup in Drupal 8.  use \ Drupal \ Core \ Ajax ; function testingPopup () { $response = new AjaxResponse (); $title = $this -> t ( 'Title for the Popup.' ); $form [ '#attached' ][ 'library' ][] = 'core/drupal.dialog.ajax' ; $response -> setAttachments ( $form [ '#attached' ]); $content = '<div class="test-popup-content">' . 'Content in HTML format' . '</div>' ; $options = array ( 'dialogClass' => 'popup-dialog-class' , 'width' => '75%' , ); $modal = new OpenModalDialogCommand ( $title , $content , $options ); $response -> addCommand ( $modal ); return $response ; } You can call the function testingPopup() , you will get the popup.

How to configure Drupal7, varnish, authcache2 and ESI in Nginx server?

This is step by step procedure for, how to configure the authcache, varnih and ESI for the drupal7 project in NGINX erver. To configuring the Nginx Server use the procedure from document " http://www.geoffstratton.com/2014/03/nginx-php-fpm-apc-ssl-drupal/ " Well, make sure your nginx server is up and running. 1.Configuring the Authcache module.      Download the module from https://www.drupal.org/project/authcache    Enable only the authcache module    Go to admin/reports/status , then you can see the Authcache area is red and saying that there is no back end has been configured.   2.Configure Varnish on the back-end[nginx server].     Using the Following commands,       $ curl http://repo.varnish-cache.org/debian/GPG-key.txt | sudo apt-key add -     $ echo "deb http://repo.varnish-cache.org/ubuntu/ precise varnish-3.0" | sudo tee -a /etc/apt/sources.list     $ sudo apt-get update     $ sudo apt-get install varnish       Configure Varnish: