Return null for empty dates in xml #97

	# Validate checked-in code using PHPCS

	name: action-php-codesniffer

	# Controls when the workflow will run
	on:
	push:
	branches:
	- 'master'
	- 'develop'
	- 'releases/**'
	pull_request:

	# Allows you to run this workflow manually from the Actions tab
	workflow_dispatch:

	# A workflow run is made up of one or more jobs that can run sequentially or in parallel
	jobs:
	phpcs:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 0 # important!

	# we may use whatever way to install phpcs, just specify the path on the next step
	# however, curl seems to be the fastest
	- name: Install PHP_CodeSniffer
	run: \|
	curl -OL https://squizlabs.github.io/PHP_CodeSniffer/phpcs.phar
	php phpcs.phar --version

	- uses: tinovyatkin/action-php-codesniffer@v1
	with:
	files: "**.php" # you may customize glob as needed
	phpcs_path: php phpcs.phar
	standard: phpcs.xml

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