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Chapter 7. Extension Design > Using the Registry
Using the Registry
Joomla! provides us with the class JRegistry; this class enables us to store and retrieve data using namespaces. Data stored in a JRegistry object is organized using a hierarchy based on namespaces.
Namespaces are unique hierarchical tree identifiers used to categorize data. Imagine we want to store the number of sightings of animals in an area. We could use the following hierarchy:
