Fix potential unset array key access #34

	name: Test

	on:
	# Run on all pushes and on all pull requests.
	push:
	pull_request:
	# Allow manually triggering the workflow.
	workflow_dispatch:

	jobs:
	test:
	runs-on: ubuntu-latest

	strategy:
	# Keys:
	# - experimental: Whether the build is "allowed to fail".
	matrix:
	php: ['7.2', '7.3', '7.4', '8.0', '8.1', '8.2']
	experimental: [false]

	include:
	# Nightly.
	- php: '8.3'
	experimental: true

	name: "PHP: ${{ matrix.php }}"

	continue-on-error: ${{ matrix.experimental }}

	steps:
	- name: Checkout code
	uses: actions/checkout@v2

	- name: Install PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: ${{ matrix.php }}
	ini-values: error_reporting=-1, display_errors=On, log_errors_max_len=0
	coverage: none
	tools: phive

	- name: Install java
	uses: actions/setup-java@v2
	with:
	java-version: 11
	distribution: 'zulu'

	# Install dependencies and handle caching in one go.
	# @link https://github.com/marketplace/actions/install-composer-dependencies
	- name: Install Composer dependencies
	uses: "ramsey/composer-install@v2"

	- name: Lint the code
	run: ant lint

	- name: Install tools
	run: ant install-tools

	- name: Run unit tests
	run: ./tools/phpunit --configuration phpunit.xml.dist

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