PHP version 8.4.22 (04 Jun 2026)

Date:

• Fixed bug GH-18422 (int overflow in php_date_llabs). (iliaal)

Intl:

• Fix incorrect argument positions in out-of-bounds errors for IntlCalendar::set(), IntlCalendar::setDate(), IntlCalendar::setDateTime(), and IntlGregorianCalendar date/time construction. (Weilin Du)
• Expose Spoofchecker restriction-level APIs on all supported ICU versions. (Weilin Du)
• Fix SpoofChecker::setAllowedChars() and IntlDateFormatter::__construct() to report PHP constant names instead of ICU constant names in user-visible error messages. (Weilin Du)

MySQLnd:

• Fix persistent free of non-persistent connect_attr key (David Carlier).

Opcache:

• Fixed tracing JIT crash when a VM interrupt is handled during an observed user function call. (Levi Morrison)
• Fixed bug GH-22004 (Assertion failure at ext/opcache/jit/zend_jit_trace.c). (Arnaud)

OpenSSL:

• Fix compatibility issues with OpenSSL 4.0. (jordikroon, Remi)

SPL:

• Fix SplFixedArray::setSize leak when destructor grows during clear. (David Carlier)
• Fixed bug GH-21933 (use after free of self-freeing MultipleIterator children). (David Carlier)

Standard:

• Fixed bug GH-21689 (version_compare() incorrectly handles versions ending with a dot). (timwolla)
• Fixed ip2long() leading zeros handling inconsistency on AIX. (ayappanec)