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APCu Version Information

You are running an older version of APCu (4.0.11), newer version 5.1.12 is available at

Change Log:

APCu 5.1.12
- gh#307: Fix 'Timout' sort option (apc.php).
- gh#308: Keep search parameter on cache entry detail link (apc.php).
- Fix --enable-apcu-clear-signal support.
- Show entries with expired global TTL in APCuIterator.
- Respect TTL when calculating APCuIterator totals.
- The per-entry TTL now always takes precedence over the global TTL.
- The global TTL is now always relative to the access time.
- apcu_inc() and apcu_dec() no longer update hard-expired entries. Instead a new entry is created.
- Added optional $ttl argument to apcu_inc() and apcu_dec(), used when creating a new entry.
- PHP bug #76145: Fix use of APCu inside Serializer::(un)serialize().
- gh#304: If apcu_cas() is used on a non-existing entry, don't insert it.
- gh#295: Improve APCuIterator performance by using PCRE JIT and preallocating key strings.
- Reduce the memory overhead of cache entries.
- Prevent potential memory corruption in the cache slam defense implementation.
- Ensure cache entry references are released on bailout during unserialization.
- Make support for atomic operations a hard requirement for building APCu.
- Check write-lock acquisition for failure, to help debugging deadlock situations.
- Make sure apcu_inc/dec are atomic when working on a non-existing entry.
- Many changes to internal C APIs.
APCu 5.1.11
- fix gh#246 apcu_entry hangs
- fix gh#259 deadlock in apcu_store
- fix gh#281 undefined variable in apc.php
- fix handling of fatal errors in apcu_entry
- check string lengths when looking up keys
- many internal C APIs changed
APCu 5.1.10
- fix gh#247 when a NUL char is used as key, apcu_fetch(array) truncates the key
- fix gh#248 apcu_fetch may return values causing zend_mm_corruption or segfaults
when custom serializer is used
- fix gh#260 apcu.serializer=default results in segfault
- fix gh#274 non-portable shell == in config.m4
- fix crash when passing bad array to apcu_delete
- improve fix gh#266 refcounting errors in APCIterator
- fix for PHP 7.3 compatibility
APCu 5.1.9
- fix gh#234 mmap disabled when configure is called with --enable-apcu-mmap
- fix gh#226 Warning: apcu_fetch(): apc_fetch() expects a string or array of strings.
- mitigate gh#223 Fatal error when starting php on windows
- add support for PCRE2 in 7.3
- use row formatting for information in phpinfo() tables
- set IS_STR_PERSISTENT so refcounting failures are reported by -DRC_DEBUG=1
- fix gh#266 refcounting errors in APCIterator
APCu 5.1.8
- fix gh#207 Segmentation fault in apc_sma_api_free()
- fix gh#221 memory leak
- update to apc dashboard (Tyson Andre)
APCu 5.1.7
- fixes gh#19: hung apaches on pthread wrlocks
- fixes gh#203: segfaults in bailout / longjmp
APCu 5.1.6
- fixes gh#19: Hung apaches on pthread wrlocks
- fixes gh#188: Fix Segfault in ZTS build when locking (Tyson Andre)
- fixes gh#194: apcu_entry ttl not working
- fixes gh#189: SegFault in apc_copy_zval
- fixes gh#185: zend_mm_heap corrupted
- fixes gh#190: memory leak/failed check for duplicates
APCu 5.1.5
- fix version check in control panel page (gh#182, lennartwesdijk)
- do not create null strings, palloc may fail
APCu 5.1.4
- fix possible memory leak
- fix gh#168 drop trying to return strings from shm
- fix gh#170 do not create entries when serialization fails