Composer autoload - load class from parent directory

Question

I'm currently working on a Laravel project that needs to access classes from its parent directory.

composer.json > PSR-4:

    "psr-4": {
        ...
        "ModuleA\\": "../ModuleA/baseObjects",
        "ModuleB\\": "../ModuleB/baseObjects"
    }

Example file structure:

/var/www
 +- /xxx (project)
     +- /ModuleA
        +- /baseObjects
            - configClass.inc
     +- /ModuleB
        +- /baseObjects
            - configClass.inc
     +- /laravel
        - composer.json

I run composer dump-autoload but the project still can't find ModuleA\configClass neither ModuleB\configClass.

Furthermore, inside my autoload_psr4.php, the above gets referenced as following:

'MobuleA\\' => array($baseDir . '/../MobuleA/baseObjects')
'MobuleB\\' => array($baseDir . '/../MobuleB/baseObjects')

Answer 1

PSR-4 requires the loaded files to have a namespaced class, and the namespace structure has to match the directory structure, relative to the "base directory" defined in the configuration (http://www.php-fig.org/psr/psr-4/).

So, in file /var/xxx/ModuleA/baseObjects/configClass.inc should be the class

namespace ModuleA\baseObjects;

class configClass {
    ...
}

Then in var/www/laravel/composer.json you could have

    "psr-4": {
        "App\\": "app/",
        "ModuleA\\": "../ModuleA"
    }

Which means: "directory ../ModuleA should be the root for ModuleA namespace, then follow subnamespaces by matching subdirectories from there".

Answer 2

Use classmap autoload will solve this problem.

{
...
"autoload": {
        "classmap": ["ModuleA/", "ModuleB/"]
    }
}

It could be used with PSR-4

{
    ...
    "autoload": {
            "psr-4": { 
                "Acme\\": "src/Acme/"
            },
            "classmap": ["ModuleA/", "ModuleB/"]
        }
    }

Ref: https://getcomposer.org/doc/04-schema.md#classmap