Fix PHP8 warning (#9071) #1376

	name: tests

	on:
	push:
	pull_request:

	jobs:
	linux_tests:
	runs-on: ubuntu-20.04
	if: "!contains(github.event.head_commit.message, '[skip ci]') && !contains(github.event.head_commit.message, '[ci skip]')"

	strategy:
	fail-fast: true
	matrix:
	php: [5.5, 5.6, 7.0, 7.1, 7.2, 7.3, 7.4, 8.0]

	name: PHP ${{ matrix.php }}/Linux

	steps:
	- name: Checkout code
	uses: actions/checkout@v3

	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: ${{ matrix.php }}
	extensions: dom, curl, fileinfo, libxml, mbstring, zip, pcntl, pdo, sqlite, pdo_sqlite, gd, ldap, intl, pspell
	tools: composer:v2
	coverage: none

	- name: Setup problem matchers
	run: echo "::add-matcher::${{ runner.tool_cache }}/phpunit.json"

	- name: Install Aspell
	run: sudo apt-get -y install aspell aspell-en aspell-de

	- name: Setup composer
	run: \|
	cp composer.json-dist composer.json
	composer require "kolab/net_ldap3:~1.1.1" --no-update

	- name: Fix PHPUnit for PHP8
	run: composer config platform.php 7.4
	if: matrix.php >= 8

	- name: Install dependencies
	run: composer install --prefer-dist --no-interaction --no-progress

	- name: Roundcube configuration
	run: cp .github/config-test.inc.php config/config-test.inc.php

	- name: Execute tests
	run: vendor/bin/phpunit -c tests/phpunit.xml

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