QuantumCache

Changelog

0.1.7

• Fixed: RedisStore::purgeAll() was referencing the wrong internal property ($this->redis instead of $this->r), causing all bulk purge calls from the admin “Purge Everything” button to silently fail and return 0 keys removed.
• Fixed: MySQLStore::purgeAll() was not implemented; the admin “Purge Everything” button showed “backend does not support bulk purge” on MySQL/Auto installs. Both qc_entries and qc_tagmap are now cleared correctly.
• Fixed: Stats::mysql_stats() queried a non-existent column (created_at) instead of the correct column (updated); this caused the Entries count in the admin Overview table to always display 0 for MySQL-backed installs.
• Major improvements to fragment caching behavior, new WP-CLI tooling, and internal metrics support.
• Perf: Added FragmentCache::peek() for pre-render cache check without lock or producer execution.
• Fixed: Fragment cache key role dimension now uses a sorted role list before implode, preventing cache misses for users with multiple roles due to non-deterministic array key order in $user->roles (FragmentCache.php).
• Feature: Added WP-CLI support — wp quantumcache flush clears all cache entries for the current site (with confirmation prompt, or –yes to skip); wp quantumcache status reports backend, storage stats, and lifetime event counters.
• Feature: Added Metrics data layer tracking split query and fragment hit, miss, store, and purge event counts with atomic wp_options persistence; exposes Metrics::deltas() for current-request data and Metrics::totals() for cumulative counters.
• Dev: Added quantumcache_cache_hit, quantumcache_cache_miss, and quantumcache_cache_store action hooks at each cache outcome point in QueryCache and FragmentCache, available for Pro and third-party extensions.
• Fixed: Changed singular query alias cache keys so they respect the logged-in role cache bucket, preventing anonymous singular alias entries from satisfying logged-in requests and preventing proper role-scoped primary key creation.

0.1.6

• Fix: Corrected QUANTUMCACHE_VERSION constant value to match plugin header (was 0.1.4).
• Compat: Fire quantumcache_loaded action after plugin init so Pro and third-party extensions can reliably detect when Free has finished bootstrapping.

0.1.5

• Security: Hardened direct database access by validating and escaping internal
  table identifiers to satisfy PluginCheck and reviewer requirements.
• Code: Resolved all PluginCheck warnings; no functional behavior changes.
• Cleanup: Removed development-only tooling files from the release package.
• Stability: Minor internal cleanup following load testing and runtime validation.
  extensions can reliably detect when Free has finished bootstrapping.

0.1.4

• Fix: Fixed incomplete Stats.php code concerning MySQL reporting
• Fix: Prefixed all global functions and variables (qc_* → quantumcache_*) to satisfy Plugin Check naming requirements.
• Fix: Updated uninstall routine to use prefixed globals and updated option names.
• Fix: Added defensive table-name validation and explicit casting in Maintenance and Stats to address Plugin Check warnings.
• Fix: Corrected several internal calls referencing the old function names (qc_should_debug_headers, etc.), preventing runtime errors.

0.1.3

• Fix: Updated MySQLStore write operations to use $wpdb->insert() with format arrays, resolving the PHPCS / reviewer-required change.
• Fix: Corrected StoreFactory to pass the required $wpdb instance when constructing MySQLStore, restoring MySQL fallback functionality.

0.1.2

• Admin: refined settings layout, help text, and capability/nonce checks.
• Code: PHPCS/WPCS compliance (sanitization, escaping, Yoda, no short ternaries).
• Store: Redis “Purge Everything” via SCAN/DEL with site prefix.
• Store: MySQL tag mapping writes via wpdb->insert() with formats.
• Read path: safe request URI normalization for keys and display.

0.1.1

• Fix: hydration logic in on_posts_pre_query() (now primes and hydrates safely).
• Perf: archive hit path uses update_post_caches() without taxonomy overhead.
• Safety: skip caching very small archives (fewer than 12 IDs).
• Headers: ensure X-QC-Store-Actual reflects real backend.

0.1.0

• Initial public release.
• Query-level caching with tag-based invalidation.
• Fragment caching for the_content and key blocks.
• Redis (preferred) and MySQL stores.
• Multisite support.
• Admin UI: store selection, Redis config, debug headers, purge controls, live stats.
• PHPCS clean (WordPress coding standards).