PHP 8.1.23

What's new in this version:

CLI:
- Fixed bug GH-11716 (cli server crashes on SIGINT when compiled with ZEND_RC_DEBUG=1)
- Fixed bug GH-10964 (Improve man page about the built-in server)

Core:
- Fixed strerror_r detection at configuration time

Date:
- Fixed bug GH-11416: Crash with DatePeriod when uninitialised objects are passed in

DOM:
- Fix DOMEntity field getter bugs
- Fix incorrect attribute existence check in DOMElement::setAttributeNodeNS
- Fix DOMCharacterData::replaceWith() with itself
- Fix empty argument cases for DOMParentNode methods
- Fixed bug GH-11791 (Wrong default value of DOMDocument::xmlStandalone)
- Fix json_encode result on DOMDocument
- Fix manually calling __construct() on DOM classes
- Fixed bug GH-11830 (ParentNode methods should perform their checks upfront)
- Fix segfault when DOMParentNode::prepend() is called when the child disappears

FFI:
- Fix leaking definitions when using FFI::cdef()->new(...)

MySQLnd:
- Fixed bug GH-11440 (authentication to a sha256_password account fails over SSL)
- Fixed bug GH-11438 (mysqlnd fails to authenticate with sha256_password accounts using passwords longer than 19 characters)
- Fixed bug GH-11550 (MySQL Statement has a empty query result when the response field has changed, also Segmentation fault)
- Fixed invalid error message "Malformed packet" when connection is dropped

Opcache:
- Fixed bug GH-11715 (opcache.interned_strings_buffer either has no effect or opcache_get_status() / phpinfo() is wrong)
- Avoid adding an unnecessary read-lock when loading script from shm if restart is in progress

PCNTL:
- Revert behaviour of receiving SIGCHLD signals back to the behaviour before 8.1.22

SPL:
- Fixed bug #81992 (SplFixedArray::setSize() causes use-after-free)

Standard:
- Prevent int overflow on $decimals in number_format
- Fixed bug GH-11870 (Fix off-by-one bug when truncating tempnam prefix)