PHP 7.4.3

What's new in this version:

Core:
- Fixed (cscript can fail to run on some systems)
- Fixed (Property nullability lost when using multiple property definition)
- Fixed (Code 0 is returned on invalid options)
- Fixed (Delayed variance check involving trait segfaults)
- Fixed (cookie values with spaces fail to round-trip)
- Fixed (Use-after-free when accessing already destructed backtrace arguments)

COM:
- Fixed (Garbage collecting variant objects segfaults)

CURL:
- Fixed (Hypothetical use-after-free in curl_multi_add_handle())

FFI:
- Fixed (FFI Struct Segfault)

IMAP:
- Fixed (IMAP extension can't find OpenSSL libraries at configure time)

Intl:
- Fixed (NumberFormatter::format() may detect wrong type)

Libxml:
- Fixed (Error in SoapClient ctor disables DOMDocument::save())

MBString:
- Fixed (SEGV in mb_convert_encoding with non-string encodings)

MySQLi:
- Fixed (Properties may emit a warning on var_dump())

MySQLnd:
- Fixed (mysqlnd may fetch wrong column indexes with MYSQLI_BOTH)
- Fixed (MySQL caching_sha2_password Access denied for password with more than 20 chars)

Opcache:
- Fixed (Eval class during preload causes class to be only half available)
- Fixed (Preloading segfaults if preload_user is used)
- Fixed (Incorrect type inference for self::$field =& $field)

OpenSSL:
- Fixed (openssl memory leak)

Phar:
- Fixed (Files added to tar with Phar::buildFromIterator have all-access permissions)
- Fixed (heap-buffer-overflow in phar_extract_file)
- Fixed (PharFileInfo::decompress not working)

Reflection:
- Fixed (ReflectionClass::isCloneable call reflected class __destruct)

Session:
- Fixed (Null Pointer Dereference in PHP Session Upload Progress)

Standard:
- Fixed (Memory leak when using stream_filter_append)
- Fixed (PASSWORD_DEFAULT should match PASSWORD_BCRYPT instead of being null)

Testing:
- Fixed (bug45161.phpt takes forever to finish)

XSL:
- Fixed (XSL callbacks with nodes as parameter leak memory)

Zip:
- Add ZipArchive::CM_LZMA2 and ZipArchive::CM_XZ constants (since libzip 1.6.0)
- Add ZipArchive::RDONLY (since libzip 1.0.0)
- Add ZipArchive::ER_* missing constants
- Add ZipArchive::LIBZIP_VERSION constant
- Fixed bug #73119 (Wrong return for ZipArchive::addEmptyDir Method)