improvement: use null coalescing operator #482

	name: "Continuous Integration"

	on:
	push:
	branches:
	- master
	pull_request:

	env:
	fail-fast: true

	jobs:
	tests:
	name: "Symfony1 Tests"
	runs-on: "ubuntu-latest"

	strategy:
	matrix:
	php-version:
	- "7.4"
	- "8.1"
	- "8.2"
	- "8.3"
	memcached-version:
	- "1.6"

	services:
	memcached:
	image: "memcached:${{ matrix.memcached-version }}"

	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	submodules: "true"

	- name: Install PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: "${{ matrix.php-version }}"
	extensions: apcu
	ini-values: apc.enable_cli=1

	- name: Get composer cache directory
	id: composer-cache
	run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT

	- name: Cache dependencies
	uses: actions/cache@v4
	with:
	path: ${{ steps.composer-cache.outputs.dir }}
	key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
	restore-keys: ${{ runner.os }}-composer-

	- name: Install dependencies
	run: composer install --prefer-dist

	- name: Run Check configuration
	run: php data/bin/check_configuration.php

	- name: Run Tests
	run: php data/bin/symfony symfony:test --trace

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