Internal: Fix various PHP8 compatibility issues to reduce error messages #2390

	name: PHP-CS-Fixer

	on: [ push, pull_request ]

	permissions:
	contents: read

	jobs:
	composer_install:
	runs-on: ubuntu-20.04

	strategy:
	fail-fast: false
	matrix:
	php-versions: ['7.4']

	steps:
	- name: Checkout
	uses: actions/checkout@v3
	with:
	fetch-depth: 2

	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: ${{ matrix.php-versions }}
	extensions: mbstring, xml, ctype, iconv, intl, pdo, pdo_mysql, dom, gd, json, soap, zip, bcmath
	ini-values: post_max_size=256M, max_execution_time=600, memory_limit=4096M

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

	- name: Cache composer downloads
	uses: actions/cache@v3
	with:
	path: ${{ steps.composer-cache.outputs.dir }}
	key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
	restore-keys: ${{ runner.os }}-composer-

	- name: Run composer install
	run: composer install --prefer-dist --no-progress

	- name: Download PHP-CS-Fixer
	run: \|
	wget https://github.com/FriendsOfPHP/PHP-CS-Fixer/releases/download/v3.4.0/php-cs-fixer.phar

	- name: Run PHP-CS-Fixer
	run: \|
	IFS='
	'
	CHANGED_FILES=$(git diff --name-only --diff-filter=ACMRTUXB "HEAD~..HEAD")
	if ! echo "${CHANGED_FILES}" \| grep -qE "^(\\.php-cs-fixer(\\.dist)?\\.php\|composer\\.lock)$"; then EXTRA_ARGS=$(printf -- '--path-mode=intersection\n--\n%s' "${CHANGED_FILES}"); else EXTRA_ARGS=''; fi
	php ./php-cs-fixer.phar fix --config=.php-cs-fixer.php -v --dry-run --using-cache=no --diff ${EXTRA_ARGS}

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