my iCloud storage kept telling me that it was full and I have extra storage on my phone so I logged out of my iCloud and now all my photos are missing what do I do?

my iCloud storage kept telling me that it was full 

If you turn On iCloud you get 5 GB iCloud free storage.

When you need more iCloud storage and upgrade.

See this Apple article: Upgrade to iCloud+ -> Upgrade to iCloud+ - Apple Support

See also: iCloud+ plans and pricing -> iCloud+ plans and pricing - Apple Support

See -> Manage your iCloud storage

Manage your iCloud storage - Apple Support

and I have extra storage on my phone 

See -> What's the difference between device storage and iCloud storage?

What's the difference between device storage and iCloud storage? - Apple Support

so I logged out of my iCloud

See what happens when you sign out of iCloud on your device -> Sign out of iCloud on your iPhone, iPad, iPod touch, Apple TV, or Mac

Sign out of iCloud on your iPhone, iPad, iPod touch, Apple TV, or Mac - Apple Support

• When you sign out, any data stored in iCloud will be removed from your device but will remain in iCloud. Before you sign out, you’ll be asked if you want to keep a copy of any of this information on your device.