Drupal 8

Note : The tutorial is usins States VISIBLE, but can also use for other html parameters such as : REQUIRED, EXPENDED, CHECKED ...

The selector is an "JQUERY_SELECTOR"

Move some tables into another database.

Example:

Search API and Database Search server.

1. Uninstall drupal basic Search

2. Install search_api and search_api_db

  NOTE : You can also use another database configures on settings.php

3. Add a Search Server (/admin/config/search/search-api/add-server).

Example.

Step 1 : Create field storage.

\Drupal\field\Entity\FieldStorageConfig::create(array(

  'field_name' => 'field_text',

  'entity_type' => 'node',

  'type' => 'text',

  'cardinality' => -1,



Add CSS for Print

Method 1 : Add a specific styling sheet for Print.

On your theme (THEME.info.yml for D8 and THEME.info for D7), Add css file as [print].

Example

stylesheets[print][] = css/print.css

Hook Update Deploy Tools is a great contrib module help to make most of site deploy operations programmatically.

Link : https://www.drupal.org/project/hook_update_deploy_tools

Get entity types list :

$itmes_list= \Drupal::entityTypeManager()->getDefinitions();

Get Entity type (Content / Config)

$itmes_list['node']->getGroup();

$itmes_list['node_type']->getGroup();

Composer can hadle CVS (git, svn ...) and ZIP packages.

To install/Update your custom modules, add a custom repository to the composer.json file, following this example.

1. Add package repositories

Here, youtubeapi and sadb

Using recommended-project template

composer create-project drupal/recommended-project my-project

For more information, see : https://www.drupal.org/docs/develop/using-composer/starting-a-site-using-drupal-composer-project-templates

Drupal 8 Url Object

use Drupal\Core\Url;

Create a Url

Create Url from route name

$url = Url::fromRoute('<current>');

$url = Url::fromRoute('entity.node.canonical', ['node' => 1], []);