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Chamilo 1.11 - English
Teacher Guide
Admin Guide
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General plugins development
Hooks
Plugins can use "hooks", which are similar to what can be found in the Drupal CMS: places in the normal workflow of Chamilo where plugins can intervene.
It works in Chamilo by having the normal process, for example to delete a user, calling a special function that will look for any plugin installed and that implement a specific method.
The hooks are defined in
main/inc/lib/hook/ and are instanciated in the normal workflow. For example, in usermanager.lib.php, we find that the UserManager::create_user() method actually instanciates the HookCreateUser object and then calls one of its method:1
$hook = HookCreateUser::create();
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if (!empty($hook)) {
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$hook->notifyCreateUser(HOOK_EVENT_TYPE_PRE);
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}
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Hooks also have to be defined in all plugins. See https://github.com/chamilo/chamilo-lms/issues/1767 for a very short note on the issue of adding hooks halfway through a minor version, and on the existence of 3 functions (
doWhenDeletingCourse, doWhenDeletingSession and doWhenDeletingUser) that are not implemented as hooks yet but that should be in 2.0.Last modified 1yr ago
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