UnusedPublicClassMethodRule: fix possible crash #420

	name: Code Analysis

	on:
	pull_request: null
	push:
	branches:
	- main

	jobs:
	code_analysis:
	strategy:
	fail-fast: false
	matrix:
	actions:
	-
	name: 'PHPStan'
	run: composer phpstan --ansi

	-
	name: 'Composer Validate'
	run: composer validate --ansi

	-
	name: 'Coding Standard'
	run: composer fix-cs --ansi

	-
	name: 'Tests'
	run: vendor/bin/phpunit

	-
	name: 'PHP Linter'
	run: vendor/bin/parallel-lint src tests

	-
	name: 'Check Commented Code'
	run: vendor/bin/easy-ci check-commented-code src tests --ansi

	-
	name: 'Check Active Classes'
	run: vendor/bin/class-leak check src --ansi

	name: ${{ matrix.actions.name }}
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	# see https://github.com/shivammathur/setup-php
	- uses: shivammathur/setup-php@v2
	with:
	php-version: 8.1
	coverage: none

	# composer install cache - https://github.com/ramsey/composer-install
	- uses: "ramsey/composer-install@v2"

	- run: ${{ matrix.actions.run }}

Provide feedback