* drupal6: [[https://api.drupal.org/api/drupal/includes%21module.inc/group/hooks/6]]
  * views: [[https://api.drupal.org/api/views/docs!docs.php/group/views_hooks/6|drupal]] [[http://views.doc.logrus.com/group__views__hooks.html|logrus]]



Arten der Hooks / Aufrufe
  * module_invoke
  * module_invoke_all
  * module_implements
  * drupal_alter
  * Handler eintragen, ersetzen