Your requirements could not be resolved to an installable set of packages. in laravel 8

Question

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

Problem 1

• phpunit/phpunit[dev-master, 9.3.3, ..., 9.4.x-dev] require ext-dom * -> it is missing from your system. Install or enable PHP's dom extension.
• phpunit/phpunit 9.5.x-dev is an alias of phpunit/phpunit dev-master and thus requires it to be installed too.
• Root composer.json requires phpunit/phpunit ^9.3.3 -> satisfiable by phpunit/phpunit[9.3.3, ..., 9.5.x-dev (alias of dev-master)].

Leandra

Install or enable PHP's dom extension – Jones

This might help you with installing the extension https://mcmap.net/q/98329/-php7-install-ext-dom-issue – Hoxha

i also do this think but not working – Leandra

Answer 1

If you run on ubuntu or another debian based OS sudo apt install phpunit should install this extension.

For development you can use Docker, see more details on the Laravel 8 documentation.

Frampton

Answer 2

October, 2023 on Alpine linux

• phpunit/phpunit[9.5.0, ..., 9.5.28] require ext-xmlwriter * -> it is missing from your system. Install or enable PHP's xmlwriter extension.
• Root composer.json requires phpunit/phpunit ~9.5.0 -> satisfiable by phpunit/phpunit[9.5.0, ..., 9.5.28].

apk add phpunit

Melanie