This document contains information for an outdated version (3.0) and may not be maintained any more.
If some of your projects still use this version, consider upgrading as soon as possible.
The framework uses caches to store infrequently changing values.
By default, the storage mechanism is simply the filesystem, although
other cache backends can be configured. All caches use the
The most common caches are manifests of various resources:
- PHP class locations (
- Template file locations and compiled templates (
- Configuration settings from YAML files (
- Language files (
Flushing the various manifests is performed through a GET
flush=1). Since this action requires more server resources than normal requests,
executing the action is limited to the following cases when performed via a web request:
- The environment is in "dev mode"
- A user is logged in with ADMIN permissions
- An error occurs during startup