Move Global Functions - Part 3

- Replaced every CACHE definition
- Moved check_url to App->checkURL()
- Removed unused definition "ZCURL_TIMEOUT"

src/Model/Photo.php

@@ -253,7 +253,7 @@ class Photo
 					DBA::escape(L10n::t('Contact Photos'))
 				);
 			}
-			Cache::set($key, $albums, CACHE_DAY);
+			Cache::set($key, $albums, Cache::DAY);
 		}
 		return $albums;
 	}
@@ -265,7 +265,7 @@ class Photo
 	public static function clearAlbumCache($uid)
 	{
 		$key = "photo_albums:".$uid.":".local_user().":".remote_user();
-		Cache::set($key, null, CACHE_DAY);
+		Cache::set($key, null, Cache::DAY);
 	}
 
 	/**