How can I determine if the user has iCloud Photo Library turned on or not?
<p>I am accessing the user's photos for uploading from PHPhotoLibrary, but I need to be able to tell if they have iCloud Photo Library turned on or not. </p>

<p>If they have iCloud Photo Library, then they will have a photo album titled 'All Photos' - which they won't have if iCloud Photo Library is turned off. </p>