Php/docs/language.namespaces.nested
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Declaring sub-namespaces
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
Much like directories and files, PHP namespaces also contain the ability to specify a hierarchy of namespace names. Thus, a namespace name can be defined with sub-levels:
Example #1 Declaring a single namespace with hierarchy
<?phpnamespace MyProject\Sub\Level;const CONNECT_OK = 1;class Connection { /* ... */ }function connect() { /* ... */ }?>
The above example creates constant MyProject\Sub\Level\CONNECT_OK
,
class MyProject\Sub\Level\Connection
and function
MyProject\Sub\Level\connect
.