[Feature request] Check server requirements before creating any files and directories

[SharakPL]

When I create new app with laravel new myapp I get an error:

Your requirements could not be resolved to an installable set of packages.

Problem 1

• phpunit/phpunit 9.4.x-dev requires ext-dom * -> the requested PHP extension dom is missing from your system.
  ...

I know this is a one time issue and goes away with installing missing php extensions, but would it be possible to do this checking before creating any app folders including /myapp?

[driesvints]

@SharakPL feel free to PR if you want

[SharakPL]

@driesvints can you tell me which script/package in Laravel is responsible for checking requirements? ...or maybe it's composer doing the checking?

[driesvints]

It'll need to be done inside the installer somewhere. Probably where composer is run.

[SharakPL]

I know, but which script does the checking in current state? Is it in laravel somewhere (I assume it is as it downloads laravel package before checking requiements) or maybe composer does that automatically or is it already in laravel/installer (just not in the right order)?