1. Update drupal core and contrib odules to the last version
Example with composer if you use core-recommended:composer update drupal/core-recommended:9.3.14 -W
2. Perform Regular Backups of the files and database.
You can use Backup and Migrate module
Draggable table Form Example
Step 1 : Form build
Doc : https://www.drupal.org/docs/drupal-apis/form-api/conditional-form-fields
States that can be applied to a form field element:
Add following packages to composer.json file next to drupal repository
StringTranslationTrait allow to get t() and formatPlural() methods
Example:use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\Core\StringTranslation\TranslationInterface;
class MyClass {
Import configuration file programmatically on Drupal 9 using config_update contrib module and service
//Update Module settings
\Drupal::service('config_update.config_update')->revert('system.simple', 'mymodule.settings');
State servic eallow to store variables such as state of the server temporarily or permanently
Examples:
Symptoms
You may have error messages like:
You can use IMCE to select a file.
This method allow to store data on drupal session using drupal session table (not php $_SESSION).
Storage is different for each users ans each visitors if anonymous