See these screen shots .
Within 30 days you can click on undo delete button the photos will be recovered once again , a mail will definitely appear in your IMAP account stating -
iCloud Photo Library has been disabled on all your devices and new photos and videos are no longer uploading to iCloud.There are currently 32 ( it depends how many are there ) photos and 0 videos in your iCloud Photo LibraryOriginal format, full resolution versions of your photos and videos are not stored on your devices. You must download your full resolution photos and videos to at least one device before they are deleted from iCloud Photo Library in 30 days.To download your photos and videos to an iPhone, iPad or iPod touch with iOS 8 or later:
1. | Connect to a power source and Wi-Fi. |
2. | Go to settings, tap on your account, tap iCloud, and then select Photos. |
3. | Tap Download and Keep Originals. |
If your library exceeds the storage space available on your device, you can download your photos and videos to your Mac or PC from iCloud.com. If you do not want iCloud Photo Library turned off, you can turn it right back on your iOS device:
1. | Go to Settings and tap iCloud. |
2. | Select Storage and tap Manage Storage. |
3. | Select iCloud Photo Library and Undo Delete. |