July 2015
Beginner to intermediate
260 pages
5h
English
Content preview from Magento PHP Developer's Guide
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Events and observers
The event and observer pattern is probably one of Magento's more interesting features, as it allows developers to extend Magento in critical parts of the application flow.
In order to provide more flexibility and facilitate interaction between the different modules, Magento implements an Event/Observer pattern. This pattern allows modules to be loosely coupled.
There are two parts to this system, an Event dispatch with the object and event information and an Observer listening to a particular event:
Event dispatch
Events are created or dispatched using the Mage::dispatchEvent() function. The core team has already created several ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.