Add php 8.1 in github ci #61

	name: PHP

	on: ["push", "pull_request", "workflow_dispatch"]

	jobs:
	build_and_test:
	name: Build and test web3.php with ${{ matrix.php-version }}
	strategy:
	matrix:
	php-version: ["7.3", "7.4", "8.0", "8.1"]

	runs-on: ubuntu-latest

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

	- name: PHP version
	run: \|
	php --version

	- name: Install nodejs and ganache-cli
	run: \|
	sudo apt-get update -y
	sudo apt-get install -y nodejs
	sudo npm install -g ganache-cli

	- uses: actions/checkout@v2

	- name: Validate composer.json and composer.lock
	run: composer validate

	- name: Cache Composer packages
	id: composer-cache
	uses: actions/cache@v2
	with:
	path: vendor
	key: ${{ runner.os }}-php-${{ matrix.php-version }}-${{ hashFiles('**/composer.lock') }}
	restore-keys: \|
	${{ runner.os }}-php-${{ matrix.php-version }}-

	- name: Install dependencies
	if: steps.composer-cache.outputs.cache-hit != 'true'
	run: composer install --prefer-dist --no-progress --no-suggest

	- name: Run test suite
	run: sudo scripts/test.sh

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