replace ! is_null() for direct comparition #39

	name: Run Tests

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	jobs:
	tests:
	runs-on: ubuntu-latest

	strategy:
	matrix:
	php: [8.3]

	steps:
	- uses: actions/checkout@v4

	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: ${{ matrix.php }}

	- name: Get Composer Cache Directory
	id: composer-cache
	run: \|
	echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
	- uses: actions/cache@v4
	with:
	path: ${{ steps.composer-cache.outputs.dir }}
	key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
	restore-keys: \|
	${{ runner.os }}-composer-

	- name: Install Dependencies
	run: composer install --prefer-dist --no-progress --no-suggest

	- name: Validate composer.json
	run: composer validate --strict

	- name: Check for security vulnerabilities
	run: composer audit

	- name: Run PHP CS Fixer check
	run: vendor/bin/php-cs-fixer fix --dry-run --diff

	- name: Run PHPUnit Tests
	run: vendor/bin/phpunit

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