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PHP 8.4 Thursday, 10 April 2025

PHP 8.4.6

36 changes across 16 components.

BCMath

  • Fixed pointer subtraction for scale.

Core

  • Fixed property hook backing value access in multi-level inheritance.
  • Fixed accidentally inherited default value in overridden virtual properties.
  • Fixed bug GH-17376 (Broken JIT polymorphism for property hooks added to child class).
  • Fixed bug GH-17913 (ReflectionFunction::isDeprecated() returns incorrect results for closures created from magic __call()).
  • Fixed bug GH-17941 (Stack-use-after-return with lazy objects and hooks).
  • Fixed bug GH-17988 (Incorrect handling of hooked props without get hook in get_object_vars()).
  • Fixed bug GH-17998 (Skipped lazy object initialization on primed SIMPLE_WRITE cache).
  • Fixed bug GH-17998 (Assignment to backing value in set hook of lazy proxy calls hook again).
  • Fixed bug GH-17961 (use-after-free during dl()'ed module class destruction).
  • Fixed bug GH-15367 (dl() of module with aliased class crashes in shutdown).
  • Fixed OSS-Fuzz #403308724.
  • Fixed bug GH-13193 again (Significant performance degradation in 'foreach').

DBA

  • Fixed assertion violation when opening the same file with dba_open multiple times.

DOM

  • Fixed bug GH-17991 (Assertion failure dom_attr_value_write).
  • Fix weird unpack behaviour in DOM.
  • Fixed bug GH-18090 (DOM: Svg attributes and tag names are being lowercased).
  • Fix xinclude destruction of live attributes.

Fuzzer

  • Fixed bug GH-18081 (Memory leaks in error paths of fuzzer SAPI).

GD

  • Fixed bug GH-17984 (calls with arguments as array with references).

LDAP

  • Fixed bug GH-18015 (Error messages for ldap_mod_replace are confusing).

Mbstring

  • Fixed bug GH-17989 (mb_output_handler crash with unset http_output_conv_mimetypes).

Opcache

  • Fixed bug GH-15834 (Segfault with hook "simple get" cache slot and minimal JIT).
  • Fixed bug GH-17966 (Symfony JIT 1205 assertion failure).
  • Fixed bug GH-18037 (SEGV Zend/zend_execute.c).
  • Fixed bug GH-18050 (IN_ARRAY optimization in DFA pass is broken).
  • Fixed bug GH-18113 (stack-buffer-overflow ext/opcache/jit/ir/ir_sccp.c).
  • Fixed bug GH-18112 (NULL access with preloading and INI option).
  • Fixed bug GH-18107 (Opcache CFG jmp optimization with try-finally breaks the exception table).

PDO

  • Fix memory leak when destroying PDORow.

PGSQL

  • Fixed bug GH-18148 (pg_copy_from() regression with explicit \n terminator due to wrong offset check).

Standard

  • Fix memory leaks in array_any() / array_all().

SOAP

  • Fixed bug #66049 (Typemap can break parsing in parse_packet_soap leading to a segfault) .

SPL

  • Fixed bug GH-18018 (RC1 data returned from offsetGet causes UAF in ArrayObject).

Treewide

  • Fixed bug GH-17736 (Assertion failure zend_reference_destroy()).

Windows

  • Fixed bug GH-17836 (zend_vm_gen.php shouldn't break on Windows line endings).
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