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I get a parse error when trying to use a name space inside my own function
require('/var/load.php'); function go(){ use test\Class; $go = 'ok'; return $go; } echo go(); 
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If you put it inside a class or a function, it would execute when the class or function is invoked.
A namespace is used to avoid conflicting definitions and introduce more flexibility and organization in the code base. Just like directories, namespace can contain a hierarchy know as subnamespaces. PHP uses the backslash as its namespace separator.
Multiple namespaces may also be declared in the same file. There are two allowed syntaxes. This syntax is not recommended for combining namespaces into a single file. Instead it is recommended to use the alternate bracketed syntax.
Namespace is to avoid class name collisions, so you can have two same class names under two different namespaces. Use is just like PHP include. Please sign in or create an account to participate in this conversation.
From Scoping rules for importing
The use keyword must be declared in the outermost scope of a file (the global scope) or inside namespace declarations. This is because the importing is done at compile time and not runtime, so it cannot be block scoped
So you should put like this, use should specified at the global level
require('/var/load.php'); use test\Class; function go(){ $go = 'ok'; return $go; } echo go(); Check the example 5 in the below manual Please refer to its manual at http://php.net/manual/en/language.namespaces.importing.php
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