Check we have an array before accessing it when producing density to return via ajax #560

	name: Security

	on:
	# Run on all pushes and on all pull requests.
	push:
	pull_request:
	# Also run this workflow every Monday at 6:00.
	schedule:
	- cron: '0 6 * * 1'
	# Allow manually triggering the workflow.
	workflow_dispatch:

	# Cancels all previous workflow runs for the same branch that have not yet completed.
	concurrency:
	# The concurrency group contains the workflow name and the branch name.
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	security:
	name: 'Security check'
	runs-on: ubuntu-latest

	# Don't run the cronjob in this workflow on forks.
	if: github.event_name != 'schedule' \|\| (github.event_name == 'schedule' && github.repository_owner == 'Yoast')

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

	# This action checks the `composer.lock` file against known security vulnerabilities in the dependencies.
	# https://github.com/marketplace/actions/the-php-security-checker
	- name: Run Security Check
	uses: symfonycorp/security-checker-action@v5

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