bitrix-events

Covers Bitrix event system — new model (Bitrix\Main\Event, EventResult, EventManager::addEventHandler, make:event, make:eventhandler) and old model (OnBefore*/OnAfter* hooks in CIBlock, CUser, CSale and other classic APIs). Applied when integrating modules, entity lifecycle hooks, publishing custom events and subscribing to events of other modules. Key terms — Event, EventManager, EventResult, OnBefore, OnAfter,…