steps:
  - uses: snow-actions/php-ast-changed@v1.0.0
    id: php-ast
  - name: Label
    run: |
      set -x
      label='needless-debug'
      if [ "${changed}" = 'false' ]; then
        gh pr edit ${{ github.event.number }} --add-label ${label}
      else
        gh pr edit ${{ github.event.number }} --remove-label ${label}
      fi
    env:
      changed: ${{ steps.php-ast.outputs.changed }}