Add support for Symfony projects

[magalhaesmurilo]

First of all. This is a really cool project. Thank you for all the effort! But i'm having some problems with class resolution.

While trying phpantom_lsp on a new Symfony project, the LSP can't resolve some classes. (See on the right. On the left is the same Project using PHPStorm's LSP working just fine)

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The weird thing is that on the same project and editor, some classes resolve correctly.

Steps to reproduce:

Not really sure. I just created a new Symfony project following the Symfony Fast Track Book tutorial.

What i've tried so far:

• Restarted the LSP Server
• Cleared composer's cache
• Dumped composer's autoload

Environment:

• OS: MacOS 26.4
• Editor/IDE: Visual Studio Code 1.113.0 (Universal)
• PHP: 8.5.4 NTS
• phpantom_lsp: 0.6.0 (aarch64-apple-darwin)

[AJenbo]

Thanks, could you share a text version of this so I don't have to type it all by hand :)

Even better if you can share a minimal repo that reproduces the issue then I can probably solve the issue pretty easily.

My best guess is that Symfony isn't using the Composer autoloader here.

[magalhaesmurilo]

Of course, @AJenbo!

Since i'm following the Symfony book tutorial, all code is actually available on their repo. My code is a 1:1 match with the following tag:

https://github.com/the-fast-track/book-6.4-2/tree/step-10

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About Symfony not using the composer autoload, i think you're right. The index.php calls the autoload_runtime.php found at the vendor folder's root instead of the one generated by composer. But what would make some classes be found and others don't?

[AJenbo]

phpantom is different in that tries to match the application's perspective instead of offering internals that would fail at runtime. The down side here is that when things aren't using a standard autoloader custom handeling is required.

You can switch it so scan all project files: https://github.com/AJenbo/phpantom_lsp/blob/main/docs/SETUP.md#indexing-strategy
Though this can run in to limitations if some of the folders are in .gitignore.

[magalhaesmurilo]

Thank you, @AJenbo. It works after changing the indexing to "self". I just started learning Symfony, until now i didn't know it used it's own autoloader.