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Question

I've got some libraries loaded through composer, and I'm wondering if it's possible to add my own library in the /vendor map, and then to have the composer autoloader load it? The structure would be something like /vendor/mylibrary/ and then a namespace mylibrary.

Would this be possible? Also would it be possible to add a different map to the composer autoloader? Like for example /app/src/ and then to have it load all the classes in that folder? Or do I have to make my own loader for that?

Thanks

Answer 1

Reading the composer documentation:

You can even add your own code to the autoloader by adding an autoload field to composer.json.

{
    "autoload": {
        "psr-0": {"Acme": "src/"}
    }

}

Composer will register a PSR-0 autoloader for the Acme namespace. You define a mapping from namespaces to directories. The src directory would be in your project root, on the same level as vendor directory is. An example filename would be src/Acme/Foo.php containing an Acme\Foo class.

After adding the autoload field, you have to re-run install to re-generate the vendor/autoload.php file.

So basically, you just need to follow PSR-0, and tell composer where to find your library, by adding that line to your composer.json