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Migrating from 5.7 to 5.8

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Hi,
I'm testing concrete5 8.0.5 on a virtual machine. After installing it, it appears that something has changed in the way namespaces are managed. In concrete 5.7.5.13, I was doing : 
use \Application\Src\Calis2\UserManagement;

to use the class UserManagement in 
application/src/Calis2

but in 8.0.4 this is no more valid.

Do you know why?

And can you point me to a list of what to check in source code for migrating from 7 to 8?

Thank you!
 
Gondwana replied on at Permalink Reply
Gondwana
Maybe
https://www.concrete5.org/community/forums/customizing_c5/concrete-8...
MrKDilkington replied on at Permalink Reply
MrKDilkington
Hi VonUniGE,

To expand on Gondwana's reply, there is documentation covering the changes to autoloading in v8:

Creating Custom Code in the Application Directory
http://documentation.concrete5.org/developers/extending-concrete5-w...

Adding Custom Code to Packages
http://documentation.concrete5.org/developers/packages/adding-custo...
VonUniGE replied on at Permalink Best Answer Reply
As explained, in the documentation, I've added in application/bootstrap/app.php:
$classLoader = new \Symfony\Component\ClassLoader\Psr4ClassLoader();
$classLoader->addPrefix('Application\\Calis2', DIR_APPLICATION . '/' . DIRNAME_CLASSES . '/Calis2');
$classLoader->register();

And remove Src in every occurence of
namespace Application\Src\Calis2;

and in every occurence of 
use Application\Src\Calis2\MyClass;

and this issue is solved.

I could also simply add :
'enable_legacy_src_namespace' => true

in application/config/app.php but I prefer not to rely on legacy support. And I also think that it's much cleaner to not have this not significant Src in paths.

Thank you for your help.