In order to run the PHP Linter, Static Analysis, and PHPUnit tests locally you will need to have PHP installed on your host machine first.

Linux & WSL:

If you’re distro cannot find the correct package or installs the wrong version you may have to specify php7.0 in each package name

sudo apt-get update
sudo apt-get install -y php php-curl php-xml php-mbstring 

MacOS

brew install php

If you are missing extensions you can install them with PECL which will be installed automatically with PHP, but you should have everything required by default.

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Verify you have PHP installed correctly, submitty requires a version greater than 7.0

php -v