Resolves a cache miss.
When an offset is not found in the object, this is treated as a cache miss. This method allows classes implementing the interface to look up the actual value and allow it to be cached.
$offset: The offset that was requested.
The value of the offset, or NULL if no value was found.:
includes/ bootstrap.inc, line 438
- Functions that need to be loaded on every Backdrop request.
- Provides a caching wrapper to be used in place of large array structures.
abstract protected function resolveCacheMiss($offset);