2026-07-31 12:22 @216.73.217.152
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| Use Case | Command | Description |
|---|---|---|
| Expire a fragment cache | expire_fragment(key) | Manually remove a cached fragment by key |
| Check if a fragment exists | fragment_exist?(key) | Test whether a fragment is cached |
| Read a cached fragment | read_fragment(key) | Retrieve the value of a cached fragment |
| Write a fragment cache | write_fragment(key, value) | Store a value in the fragment cache |
| Combine fragment cache key | combined_fragment_cache_key(key) | Generate a composite key for fragment caching |
Fragment caching is used for caching various blocks within views without caching the entire action as a whole. This is useful when certain elements of an action change frequently or depend on complicated state while other parts rarely change or can be shared amongst multiple parties. The caching is done using the cache helper available in the Action View. See ActionView::Helpers::CacheHelper for more information.
While it's strongly recommended that you use key-based cache expiration (see links in CacheHelper for more information), it is also possible to manually expire caches. For example:
expire_fragment('name_of_cache')ActiveSupport::Concern (from /home/chedong/.local/share/rdoc)
combined_fragment_cache_keyexpire_fragmentfragment_exist?read_fragmentwrite_fragmentGenerated by phpman v4.9.26-1-g511901d · Markdown · JSON · MCP Author: Che Dong Under GNU General Public License
2026-07-31 12:22 @216.73.217.152
CrawledBy Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
Enhanced by LLM: deepseek-v4-flash / taotoken.net / www.chedong.com - original format