Add php81 to the tree

Core:
  Fixed inclusion order for phpize builds on Windows.
  Added missing hashtable insertion APIs for arr/obj/ref.
  Implemented FR #77372 (Relative file path is removed from uploaded
  file).
  Fixed bug #81607 (CE_CACHE allocation with concurrent access).
  Fixed bug #81507 (Fiber does not compile on AIX).
  Fixed bug #78647 (SEGFAULT in zend_do_perform_implementation_check).
  Fixed bug #81518 (Header injection via default_mimetype / default_charset).
  Fixed bug #75941 (Fix compile failure on Solaris with clang).
  Fixed bug #81380 (Observer may not be initialized properly).
  Fixed bug #81514 (Using Enum as key in WeakMap triggers GC + SegFault).
  Fixed bug #81520 (TEST_PHP_CGI_EXECUTABLE badly set in run-tests.php).
  Fixed bug #81377 (unset() of $GLOBALS sub-key yields warning).
  Fixed bug #81342 (New ampersand token parsing depends on new line after it).
  Fixed bug #81280 (Unicode characters in cli.prompt causes segfault).
  Fixed bug #81192 ("Declaration should be compatible with" gives incorrect line number with traits).
  Fixed bug #78919 (CLI server: insufficient cleanup if request startup fails).
  Fixed bug #81303 (match error message improvements).
  Fixed bug #81238 (Fiber support missing for Solaris Sparc).
  Fixed bug #81237 (Comparison of fake closures doesn't work).
  Fixed bug #81202 (powerpc64 build fails on fibers).
  Fixed bug #80072 (Cyclic unserialize in TMPVAR operand may leak).
  Fixed bug #81163 (__sleep allowed to return non-array).
  Fixed bug #75474 (function scope static variables are not bound to a unique function).
  Fixed bug #53826 (__callStatic fired in base class through a parent call if the method is private).
  Fixed bug #81076 (incorrect debug info on Closures with implicit binds).
CLI:
  Fixed bug #81496 (Server logs incorrect request method).
COM:
  Dispatch using LANG_NEUTRAL instead of LOCALE_SYSTEM_DEFAULT.
Curl:
  Fixed bug #81085 (Support CURLOPT_SSLCERT_BLOB for cert strings).
Date:
  Fixed bug #81458 (Regression Incorrect difference after timezone change).
  Fixed bug #81500 (Interval serialization regression since 7.3.14 / 7.4.2).
  Fixed bug #81504 (Incorrect timezone transition details for POSIX data).
  Fixed bug #80998 (Missing second with inverted interval).
  Speed up finding timezone offset information.
  Fixed bug #79580 (date_create_from_format misses leap year).
  Fixed bug #80963 (DateTimeZone::getTransitions() truncated).
  Fixed bug #80974 (Wrong diff between 2 dates in different timezones).
  Fixed bug #80998 (Missing second with inverted interval).
  Fixed bug #81097 (DateTimeZone silently falls back to UTC when providing an offset with seconds).
  Fixed bug #81106 (Regression in 8.1: add() now truncate ->f).
  Fixed bug #81273 (Date interval calculation not correct).
  Fixed bug #52480 (Incorrect difference using DateInterval).
  Fixed bug #62326 (date_diff() function returns false result).
  Fixed bug #64992 (dst not handled past 2038).
  Fixed bug #65003 (Wrong date diff).
  Fixed bug #66545 (DateTime. diff returns negative values).
  Fixed bug #68503 (date_diff on two dates with timezone set localised returns wrong results).
  Fixed bug #69806 (Incorrect date from timestamp).
  Fixed bug #71700 (Extra day on diff between begin and end of march 2016).
  Fixed bug #71826 (DateTime::diff confuse on timezone 'Asia/Tokyo').
  Fixed bug #73460 (Datetime add not realising it already applied DST change).
  Fixed bug #74173 (DateTimeImmutable::getTimestamp() triggers DST switch in incorrect time).
  Fixed bug #74274 (Handling DST transitions correctly).
  Fixed bug #74524 (Date diff is bad calculated, in same time zone).
  Fixed bug #75167 (DateTime::add does only care about backward DST transition, not forward).
  Fixed bug #76032 (DateTime->diff having issues with leap days for timezones ahead of UTC).
  Fixed bug #76374 (Date difference varies according day time).
  Fixed bug #77571 (DateTime's diff DateInterval incorrect in timezones from UTC+01:00 to UTC+12:00).
  Fixed bug #78452 (diff makes wrong in hour for Asia/Tehran).
  Fixed bug #79452 (DateTime::diff() generates months differently between time zones).
  Fixed bug #79698 (timelib mishandles future timestamps (triggered by 'zic -b slim')).
  Fixed bug #79716 (Invalid date time created (with day "00")).
  Fixed bug #80610 (DateTime calculate wrong with DateInterval).
  Fixed bug #80664 (DateTime objects behave incorrectly around DST transition).
  Fixed bug #80913 (DateTime(Immutable)::sub around DST yield incorrect time).
DBA:
  Fixed bug #81588 (TokyoCabinet driver leaks memory).
DOM:
  Fixed bug #81433 (DOMElement::setIdAttribute() called twice may remove ID).
FFI:
  Fixed bug #79576 ("TYPE *" shows unhelpful message when type is not defined).
Filter:
  Fixed bug #61700 (FILTER_FLAG_IPV6/FILTER_FLAG_NO_PRIV|RES_RANGE failing).
FPM:
  Fixed bug #81513 (Future possibility for heap overflow in FPM zlog).
  Fixed bug #81026 (PHP-FPM oob R/W in root process leading to privilege escalation) (CVE-2021-21703).
  Added openmetrics status format.
  Enable process renaming on macOS.
  Added pm.max_spawn_rate option to configure max spawn child processes rate.
  Fixed bug #65800 (Events port mechanism).
FTP:
  Convert resource<ftp> to object \FTP\Connection.
GD:
  Fixed bug #71316 (libpng warning from imagecreatefromstring).
  Convert resource<gd font> to object \GdFont.
  Added support for Avif images
hash:
  Implemented FR #68109 (Add MurmurHash V3).
  Implemented FR #73385 (Add xxHash support).
JSON:
        Fixed bug #81532 (Change of $depth behaviour in json_encode() on PHP 8.1).
LDAP:
  Convert resource<ldap link> to object \LDAP\Connection.
  Convert resource<ldap result> to object \LDAP\Result.
  Convert resource<ldap result entry> to object \LDAP\ResultEntry.
MBString:
  Fixed bug #76167 (mbstring may use pointer from some previous request).
  Fixed bug #81390 (mb_detect_encoding() regression).
  Fixed bug #81349 (mb_detect_encoding misdetcts ASCII in some cases).
  Fixed bug #81298 (mb_detect_encoding() segfaults when 7bit encoding is specified).
MySQLi:
  Fixed bug #70372 (Emulate mysqli_fetch_all() for libmysqlclient).
  Fixed bug #80330 (Replace language in APIs and source code/docs).
  Fixed bug #80329 (Add option to specify LOAD DATA LOCAL white list folder (including libmysql)).
MySQLnd:
  Fixed bug #63327 (Crash (Bus Error) in mysqlnd due to wrong alignment).
  Fixed bug #80761 (PDO uses too much memory).
Opcache:
  Fixed bug #81409 (Incorrect JIT code for ADD with a reference to array).
  Fixed bug #81255 (Memory leak in PHPUnit with functional JIT).
  Fixed bug #80959 (infinite loop in building cfg during JIT compilation).
  Fixed bug #81225 (Wrong result with pow operator with JIT enabled).
  Fixed bug #81249 (Intermittent property assignment failure with JIT enabled).
  Fixed bug #81256 (Assertion `zv != ((void *)0)' failed for "preload" with JIT).
  Fixed bug #81133 (building opcache with phpize fails).
  Fixed bug #81136 (opcache header not installed).
  Added inheritance cache.
OpenSSL:
  Fixed bug #81502 ($tag argument of openssl_decrypt() should accept null/empty string).
  Bump minimal OpenSSL version to 1.0.2.
PCRE:
  Fixed bug #81424 (PCRE2 10.35 JIT performance regression).
  Bundled PCRE2 is 10.37.
PDO:
  Fixed bug #40913 (PDO_MYSQL: PDO::PARAM_LOB does not bind to a stream for fetching a BLOB).
PDO MySQL:
  Fixed bug #80908 (PDO::lastInsertId() return wrong).
  Fixed bug #81037 (PDO discards error message text from prepared statement).
PDO OCI:
  Fixed bug #77120 (Support 'success with info' at connection).
PDO ODBC:
  Implement PDO_ATTR_SERVER_VERSION and PDO_ATTR_SERVER_INFO for PDO::getAttribute().
PDO PgSQL:
  Fixed bug #81343 (pdo_pgsql: Inconsitent boolean conversion after calling closeCursor()).
PDO SQLite:
  Fixed bug #38334 (Proper data-type support for PDO_SQLITE).
PgSQL:
  Fixed bug #81509 (pg_end_copy still expects a resource).
  Convert resource<pgsql link> to object \PgSql\Connection.
  Convert resource<pgsql result> to object \PgSql\Result.
  Convert resource<pgsql large object> to object \PgSql\Lob.
Phar:
  Use SHA256 by default for signature.
  Add support for OpenSSL_SHA256 and OpenSSL_SHA512 signature.
phpdbg:
  Fixed bug #81135 (unknown help topic causes assertion failure).
PSpell:
  Convert resource<pspell> to object \PSpell\Dictionary.
  Convert resource<pspell config> to object \PSpell\Config.
readline:
  Fixed bug #72998 (invalid read in readline completion).
Reflection:
  Fixed bug #81611 (ArgumentCountError when getting default value from ReflectionParameter with new).
  Fixed bug #81630 (PHP 8.1: ReflectionClass->getTraitAliases() crashes with Internal error).
  Fixed bug #81457 (Enum: ReflectionMethod->getDeclaringClass() return a ReflectionClass).
  Fixed bug #81474 (Make ReflectionEnum and related class non-final).
  Fixed bug #80821 (ReflectionProperty::getDefaultValue() returns current value for statics).
  Fixed bug #80564 (ReflectionProperty::__toString() renders current value, not default value).
  Fixed bug #80097 (ReflectionAttribute is not a Reflector).
  Fixed bug #81200 (no way to determine if Closure is static).
  Implement ReflectionFunctionAbstract::getClosureUsedVariables.
Shmop:
  Fixed bug #81407 (shmop_open won't attach and causes php to crash).
SimpleXML:
  Fixed bug #81325 (Segfault in zif_simplexml_import_dom).
SNMP:
  Implement SHA256 and SHA512 for security protocol.
Sodium:
  Added the XChaCha20 stream cipher functions.
  Added the Ristretto255 functions, which are available in libsodium 1.0.18.
SPL:
  Fixed bug #66588 (SplFileObject::fgetcsv incorrectly returns a row on premature EOF).
  Fixed bug #80663 (Recursive SplFixedArray::setSize() may cause double-free).
  Fixed bug #81477 (LimitIterator + SplFileObject regression in 8.0.1).
  Fixed bug #81112 (Special json_encode behavior for SplFixedArray).
  Fixed bug #80945 ("Notice: Undefined index" on unset() ArrayObject non-existing key).
  Fixed bug #80724 (FilesystemIterator::FOLLOW_SYMLINKS remove KEY_AS_FILE from bitmask).
Standard:
  Fixed bug #81441 (gethostbyaddr('::1') returns ip instead of name after calling some other method).
  Fixed bug #81491 (Incorrectly using libsodium for argon2 hashing).
  Fixed bug #81142 (PHP 7.3+ memory leak when unserialize() is used on an associative array).
  Fixed bug #81111 (Serialization is unexpectedly allowed on anonymous classes with __serialize()).
  Fixed bug #81137 (hrtime breaks build on OSX before Sierra).
  Fixed bug #77627 (method_exists on Closure::__invoke inconsistency).
Streams:
  Fixed bug #81475 (stream_isatty emits warning with attached stream wrapper).
XML:
  Fixed bug #79971 (special character is breaking the path in xml function) (CVE-2021-21707).
  Fixed bug #70962 (XML_OPTION_SKIP_WHITE strips embedded whitespace).
Zip:
  Fixed bug #81490 (ZipArchive::extractTo() may leak memory).
  Fixed bug #77978 (Dirname ending in colon unzips to wrong dir).
  Fixed bug #81420 (ZipArchive::extractTo extracts outside of destination) (CVE-2021-21706).
  Fixed bug #80833 (ZipArchive::getStream doesn't use setPassword).

FLAVORS won't be available untill it is added to the Uses framework
which can be followed up :
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=260774

Relnotes: https://www.php.net/ChangeLog-8.php#8.1.1
Sponsored by:	Bounce Experts