It is possible to create library package with namespace as below?

namespace Main{
  class PrefixFolderLib1{

Not sure how the JLoader will understand the namespace.

1 Answer 1


Sure. For example, create mylib folder in /library, and a file Myclass.php with the following content:

namespace mylib;

class Myclass

You can register your namespace with

JLoader::registerNamespace('mylib', JPATH_ROOT . '/libraries');

And access your class with \mylib\Myclass. Personally, I create a system plugin to do it automatically:

public function onAfterInitialise()
   JLoader::registerNamespace('mylib', JPATH_ROOT . '/libraries');
  • Thanks. I too initialize using system plugin only. In case if I use multiple namespaces then should I register all the name spaces onAfterInitialise? Nov 17, 2015 at 16:25
  • Yup, you can do it in the same method
    – Marko D
    Nov 17, 2015 at 16:39

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