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We have a requirement that when we save a node that nodes title should be the site name. We used to do it in Drupal 7. But I was not able to find the proper method for it in Drupal 8.

This is what we tried:

$config = \Drupal::service('config.factory')->getEditable('system.site');
$config->set('system.site.name', "Demo Site");
$config->save();

Got it from here: https://www.drupal.org/docs/8/api/configuration-api/simple-configuration-api

Any suggestions?

  • Where, in what hook, are you executing that code? It needs to be just name in $config->set('name', "Demo Site");. – leymannx Jan 3 at 9:00
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Nearly :

$config = \Drupal::service('config.factory')->getEditable('system.site');
$config->set('name', "XXXXXXX"); 
$config->save();

Just have to implement hook_node_update to fit your needs.

  • Please don't comment your own answer. Please just update it with a little bit of explanation. – leymannx Jan 3 at 11:22
  • hook_node_presave would be better as hook_node_update does not run when a new node is added. – No Sssweat Jan 3 at 14:49

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