Updated github workflow #3

	name: PHP-CS-Fixer

	on: [push, pull_request]

	jobs:
	php-cs-fixer:
	name: Validation
	runs-on: [ubuntu-latest]

	steps:
	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: 7.1

	- name: Checkout code
	uses: actions/checkout@v4

	- 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.lock') }}
	restore-keys: ${{ runner.os }}-composer-

	- name: Install dependencies
	run: composer install --prefer-dist --no-progress --ignore-platform-req=ext-*

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

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