actually behave like isset instead of empty #2

	name: phpunit

	on:
	push:
	pull_request:
	schedule:
	- cron: '0 0 * * *'

	jobs:
	phpunit:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	php: [8.1, 8.2]
	stability: [prefer-lowest, prefer-stable]

	name: P${{ matrix.php }}

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

	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: ${{ matrix.php }}
	extensions: dom, curl, libxml, mbstring, zip, pcntl, pdo, sqlite, pdo_sqlite, bcmath, soap, intl, gd, exif, iconv, imagick
	coverage: none

	- name: Install dependencies
	run: \|
	composer update --${{ matrix.stability }} --prefer-dist --no-interaction --no-suggest

	- name: Execute tests
	run: vendor/bin/phpunit

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