PHP 8 ChangeLog

    8.0

    Version 8.0.11

    • Core:
      • Fixed bug #81302 (Stream position after stream filter removed).
      • Fixed bug #81346 (Non-seekable streams don't update position after write).
      • Fixed bug #73122 (Integer Overflow when concatenating strings).
    • GD:
      • Fixed bug #53580 (During resize gdImageCopyResampled cause colors change).
    • Opcache:
      • Fixed bug #81353 (segfault with preloading and statically bound closure).
    • Shmop:
      • Fixed bug #81407 (shmop_open won't attach and causes php to crash).
    • Standard:
      • Fixed bug #71542 (disk_total_space does not work with relative paths).
      • Fixed bug #81400 (Unterminated string in dns_get_record() results).
    • SysVMsg:
      • Fixed bug #78819 (Heap Overflow in msg_send).
    • XML:
      • Fixed bug #81351 (xml_parse may fail, but has no error code).
    • Zip:
      • Fixed bug #80833 (ZipArchive::getStream doesn't use setPassword).
      • Fixed bug #81420 (ZipArchive::extractTo extracts outside of destination).

    Version 8.0.10

    • Core:
      • Fixed bug #72595 (php_output_handler_append illegal write access).
      • Fixed bug #66719 (Weird behaviour when using get_called_class() with call_user_func()).
      • Fixed bug #81305 (Built-in Webserver Drops Requests With "Upgrade" Header).
    • BCMath:
      • Fixed bug #78238 (BCMath returns "-0").
    • CGI:
      • Fixed bug #80849 (HTTP Status header truncation).
    • Date:
      • Fixed bug #64975 (Error parsing when AM/PM not at the end).
      • Fixed bug #78984 (DateTimeZone accepting invalid UTC timezones).
      • Fixed bug #79580 (date_create_from_format misses leap year).
      • Fixed bug #80409 (DateTime::modify() loses time with 'weekday' parameter).
    • GD:
      • Fixed bug #51498 (imagefilledellipse does not work for large circles).
    • MySQLi:
      • Fixed bug #74544 (Integer overflow in mysqli_real_escape_string()).
    • Opcache:
      • Fixed bug #81225 (Wrong result with pow operator with JIT enabled).
      • Fixed bug #81249 (Intermittent property assignment failure with JIT enabled).
      • Fixed bug #81206 (Multiple PHP processes crash with JIT enabled).
      • Fixed bug #81272 (Segfault in var[] after array_slice with JIT).
      • Fixed bug #81255 (Memory leak in PHPUnit with functional JIT).
      • Fixed bug #80959 (Infinite loop in building cfg during JIT compilation) (Nikita, Dmitry)
      • Fixed bug #81226 (Integer overflow behavior is different with JIT enabled).
    • OpenSSL:
      • Fixed bug #81327 (Error build openssl extension on php 7.4.22).
    • PDO_ODBC:
      • Fixed bug #81252 (PDO_ODBC doesn't account for SQL_NO_TOTAL).
    • Phar:
      • Fixed bug #81211: Symlinks are followed when creating PHAR archive (cmb)
    • Shmop:
      • Fixed bug #81283 (shmop can't read beyond 2147483647 bytes).
    • SimpleXML:
      • Fixed bug #81325 (Segfault in zif_simplexml_import_dom).
    • Standard:
      • Fixed bug #72146 (Integer overflow on substr_replace).
      • Fixed bug #81265 (getimagesize returns 0 for 256px ICO images).
      • Fixed bug #74960 (Heap buffer overflow via str_repeat).
    • Streams:
      • Fixed bug #81294 (Segfault when removing a filter).

    Version 8.0.9

    • Core:
      • Fixed bug #81145 (copy() and stream_copy_to_stream() fail for +4GB files).
      • Fixed bug #81163 (incorrect handling of indirect vars in __sleep).
      • Fixed bug #81159 (Object to int warning when using an object as a string offset).
      • Fixed bug #80728 (PHP built-in web server resets timeout when it can kill the process).
      • Fixed bug #73630 (Built-in Webserver - overwrite $_SERVER['request_uri']).
      • Fixed bug #80173 (Using return value of zend_assign_to_variable() is not safe).
      • Fixed bug #73226 (--r[fcez] always return zero exit code).
    • Intl:
      • Fixed bug #72809 (Locale::lookup() wrong result with canonicalize option).
      • Fixed bug #68471 (IntlDateFormatter fails for "GMT+00:00" timezone).
      • Fixed bug #74264 (grapheme_strrpos() broken for negative offsets).
    • OpenSSL:
      • Fixed bug #52093 (openssl_csr_sign truncates $serial).
    • PCRE:
      • Fixed bug #81101 (PCRE2 10.37 shows unexpected result).
      • Fixed bug #81243 (Too much memory is allocated for preg_replace()).
    • Reflection:
      • Fixed bug #81208 (Segmentation fault while create newInstance from attribute).
    • Standard:
      • Fixed bug #81223 (flock() only locks first byte of file).

    Version 8.0.8

    • Core:
      • Fixed bug #81076 (incorrect debug info on Closures with implicit binds).
      • Fixed bug #81068 (Double free in realpath_cache_clean()).
      • Fixed bug #76359 (open_basedir bypass through adding "..").
      • Fixed bug #81090 (Typed property performance degradation with .= operator).
      • Fixed bug #81070 (Integer underflow in memory limit comparison).
      • Fixed bug #81122 (SSRF bypass in FILTER_VALIDATE_URL). (CVE-2021-21705)
    • Bzip2:
      • Fixed bug #81092 (fflush before stream_filter_remove corrupts stream).
    • Fileinfo:
      • Fixed bug #80197 (implicit declaration of function 'magic_stream' is invalid).
    • GMP:
      • Fixed bug #81119 (GMP operators throw errors with wrong parameter names).
    • OCI8:
      • Fixed bug #81088 (error in regression test for oci_fetch_object() and oci_fetch_array()).
    • Opcache:
      • Fixed bug #81051 (Broken property type handling after incrementing reference).
      • Fixed bug #80968 (JIT segfault with return from required file).
    • OpenSSL:
      • Fixed bug #76694 (native Windows cert verification uses CN as server name).
    • MySQLnd:
      • Fixed bug #80761 (PDO uses too much memory).
    • PDO_Firebird:
      • Fixed bug #76448 (Stack buffer overflow in firebird_info_cb). (CVE-2021-21704)
      • Fixed bug #76449 (SIGSEGV in firebird_handle_doer). (CVE-2021-21704)
      • Fixed bug #76450 (SIGSEGV in firebird_stmt_execute). (CVE-2021-21704)
      • Fixed bug #76452 (Crash while parsing blob data in firebird_fetch_blob). (CVE-2021-21704)
    • readline:
      • Fixed bug #72998 (invalid read in readline completion).
    • Standard:
      • Fixed bug #81048 (phpinfo(INFO_VARIABLES) "Array to string conversion").
      • Fixed bug #77627 (method_exists on Closure::__invoke inconsistency).
    • Windows:
      • Fixed bug #81120 (PGO data for main PHP DLL are not used).

    Version 8.0.7

    • Core:
      • Fixed bug #80960 (opendir() warning wrong info when failed on Windows).
      • Fixed bug #67792 (HTTP Authorization schemes are treated as case-sensitive).
      • Fixed bug #80972 (Memory exhaustion on invalid string offset).
    • FPM:
      • Fixed bug #65800 (Events port mechanism).
    • FTP:
      • Fixed bug #80901 (Info leak in ftp extension).
      • Fixed bug #79100 (Wrong FTP error messages).
    • GD:
      • Fixed bug #81032 (GD install is affected by external libgd installation).
    • Intl:
      • Fixed bug #81019 (Unable to clone NumberFormatter after failed parse()).
    • MBString:
      • Fixed bug #81011 (mb_convert_encoding removes references from arrays).
    • ODBC:
      • Fixed bug #80460 (ODBC doesn't account for SQL_NO_TOTAL indicator).
    • Opcache:
      • Fixed bug #81007 (JIT "not supported" on 32-bit x86 -- build problem?).
      • Fixed bug #81015 (Opcache optimization assumes wrong part of ternary operator in if-condition).
      • Fixed bug #81046 (Literal compaction merges non-equal related literals).
    • PDO_MySQL:
      • Fixed bug #81037 (PDO discards error message text from prepared statement).
    • PDO_ODBC:
      • Fixed bug #44643 (bound parameters ignore explicit type definitions).
    • pgsql:
      • Fixed php_pgsql_fd_cast() wrt. php_stream_can_cast().
    • SPL:
      • Fixed bug #80933 (SplFileObject::DROP_NEW_LINE is broken for NUL and CR).
    • XMLReader:
      • Fixed bug #73246 (XMLReader: encoding length not checked).
    • Zip:
      • Fixed bug #80863 (ZipArchive::extractTo() ignores references).

    Version 8.0.6

    • PDO_pgsql:
      • Revert "Fixed bug #80892 (PDO::PARAM_INT is treated the same as PDO::PARAM_STR)"

    Version 8.0.5

    • Core:
      • Fixed bug #75776 (Flushing streams with compression filter is broken).
      • Fixed bug #80811 (Function exec without $output but with $restult_code parameter crashes).
      • Fixed bug #80814 (threaded mod_php won't load on FreeBSD: No space available for static Thread Local Storage).
      • Changed PowerPC CPU registers used by Zend VM to work around GCC bug. Old registers (r28/r29) might be clobbered by _restgpr routine used for return from C function compiled with -Os.
    • Dba:
      • Fixed bug #80817 (dba_popen() may cause segfault during RSHUTDOWN).
    • DOM:
      • Fixed bug #66783 (UAF when appending DOMDocument to element).
    • FFI:
      • Fixed bug #80847 (CData structs with fields of type struct can't be passed as C function argument).
    • FPM:
      • Fixed bug #80024 (Duplication of info about inherited socket after pool removing).
    • FTP:
      • Fixed bug #80880 (SSL_read on shutdown, ftp/proc_open).
    • IMAP:
      • Fixed bug #80800 (imap_open() fails when the flags parameter includes CL_EXPUNGE).
      • Fixed bug #80710 (imap_mail_compose() header injection).
    • Intl:
      • Fixed bug #80763 (msgfmt_format() does not accept DateTime references).
    • LibXML:
      • Fixed bug #73533 (Invalid memory access in php_libxml_xmlCheckUTF8).
      • Fixed bug #51903 (simplexml_load_file() doesn't use HTTP headers).
    • MySQLnd:
      • Fixed bug #80837 (Calling stmt_store_result after fetch doesn't throw an error).
    • Opcache:
      • Fixed bug #80839 (PHP problem with JIT).
      • Fixed bug #80861 (erronous array key overflow in 2D array with JIT).
      • Fixed bug #80786 (PHP crash using JIT).
      • Fixed bug #80782 (DASM_S_RANGE_VREG on PHP_INT_MIN-1).
    • Pcntl:
      • Fixed bug #79812 (Potential integer overflow in pcntl_exec()).
    • PCRE:
      • Fixed bug #80866 (preg_split ignores limit flag when pattern with \K has 0-width fullstring match).
    • PDO_ODBC:
      • Fixed bug #80783 (PDO ODBC truncates BLOB records at every 256th byte).
    • PDO_pgsql:
      • Fixed bug #80892 (PDO::PARAM_INT is treated the same as PDO::PARAM_STR).
    • Session:
      • Fixed bug #80889 (Cannot set save handler when save_handler is invalid).
      • Fixed bug #80774 (session_name() problem with backslash).
    • SOAP:
      • Fixed bug #69668 (SOAP special XML characters in namespace URIs not encoded).
    • Standard:
      • Fixed bug #80915 (Taking a reference to $_SERVER hides its values from phpinfo()).
      • Fixed bug #80914 ('getdir' accidentally defined as an alias of 'dir').
      • Fixed bug #80771 (phpinfo(INFO_CREDITS) displays nothing in CLI).
      • Fixed bug #78719 (http wrapper silently ignores long Location headers).
      • Fixed bug #80838 (HTTP wrapper waits for HTTP 1 response after HTTP 101).
    • Zip:
      • Fixed bug #80825 (ZipArchive::isCompressionMethodSupported does not exist).

    Version 8.0.3

    • Core:
      • Fixed bug #80706 (mail(): Headers after Bcc headers may be ignored).
    • DOM:
      • Fixed bug #80600 (DOMChildNode::remove() doesn't work on CharacterData nodes).
    • Gettext:
      • Fixed bug #53251 (bindtextdomain with null dir doesn't return old value).
    • MySQLnd:
      • Fixed bug #78680 (mysqlnd's mysql_clear_password does not transmit null-terminated password).
      • Fixed bug #80713 (SegFault when disabling ATTR_EMULATE_PREPARES and MySQL 8.0).
    • MySQLi:
      • Fixed bug #74779 (x() and y() truncating floats to integers).
    • Opcache:
      • Fixed bug #80634 (write_property handler of internal classes is skipped on preloaded JITted code).
      • Fixed bug #80682 (opcache doesn't honour pcre.jit option).
      • Fixed bug #80742 (Opcache JIT makes some boolean logic unexpectedly be true).
      • Fixed bug #80745 (JIT produces Assert failure and UNKNOWN:0 var_dumps in code involving bitshifts).
    • OpenSSL:
      • Fixed bug #80747 (Providing RSA key size < 512 generates key that crash PHP).
    • Phar:
      • Fixed bug #75850 (Unclear error message wrt. __halt_compiler() w/o semicolon) (cmb)
      • Fixed bug #70091 (Phar does not mark UTF-8 filenames in ZIP archives).
      • Fixed bug #53467 (Phar cannot compress large archives).
    • Socket:
      • Fixed bug #80723 (Different sockets compare as equal (regression in 8.0)).
    • SPL:
      • Fixed bug #80719 (Iterating after failed ArrayObject::setIteratorClass() causes Segmentation fault).
    • Standard:
      • Fixed bug #80654 (file_get_contents() maxlen fails above (2**31)-1 bytes).
      • Fixed bug #80718 (ext/standard/dl.c fallback code path with syntax error).

    Version 8.0.2

    • Core:
      • Fixed bug #80523 (bogus parse error on >4GB source code).
      • Fixed bug #80384 (filter buffers entire read until file closed).
      • Fixed bug #80596 (Invalid union type TypeError in anonymous classes).
      • Fixed bug #80617 (GCC throws warning about type narrowing in ZEND_TYPE_INIT_CODE).
    • BCMath:
      • Fixed bug #80545 (bcadd('a', 'a') doesn't throw an exception).
    • Curl:
      • Fixed bug #80595 (Resetting POSTFIELDS to empty array breaks request).
    • Date:
      • Fixed bug #80376 (last day of the month causes runway cpu usage).
    • DOM:
      • Fixed bug #80537 (Wrong parameter type in DOMElement::removeAttributeNode stub).
    • Filter:
      • Fixed bug #80584 (0x and 0X are considered valid hex numbers by filter_var()).
    • GMP:
      • Fixed bug #80560 (Strings containing only a base prefix return 0 object).
    • Intl:
      • Fixed bug #80644 (Missing resource causes subsequent get() calls to fail).
    • MySQLi:
      • Fixed bug #67983 (mysqlnd with MYSQLI_OPT_INT_AND_FLOAT_NATIVE fails to interpret bit columns).
      • Fixed bug #64638 (Fetching resultsets from stored procedure with cursor fails).
      • Fixed bug #72862 (segfault using prepared statements on stored procedures that use a cursor).
      • Fixed bug #77935 (Crash in mysqlnd_fetch_stmt_row_cursor when calling an SP with a cursor).
    • ODBC:
      • Fixed bug #80592 (all floats are the same in ODBC parameters).
    • Opcache:
      • Fixed bug #80422 (php_opcache.dll crashes when using Apache 2.4 with JIT).
    • PDO_Firebird:
      • Fixed bug #80521 (Parameters with underscores no longer recognized).
    • Phar:
      • Fixed bug #76929 (zip-based phar does not respect phar.require_hash).
      • Fixed bug #77565 (Incorrect locator detection in ZIP-based phars).
      • Fixed bug #69279 (Compressed ZIP Phar extractTo() creates garbage files).
    • Phpdbg:
      • Reverted fix for bug #76813 (Access violation near NULL on source operand).
    • SOAP:
      • Fixed bug #80672 (Null Dereference in SoapClient). (CVE-2021-21702)

    Version 8.0.1

    • Core:
      • Fixed bug #80345 (PHPIZE configuration has outdated PHP_RELEASE_VERSION).
      • Fixed bug #72964 (White space not unfolded for CC/Bcc headers).
      • Fixed bug #80391 (Iterable not covariant to mixed).
      • Fixed bug #80393 (Build of PHP extension fails due to configuration gap with libtool).
      • Fixed bug #77069 (stream filter loses final block of data).
    • Fileinfo:
      • Fixed bug #77961 (finfo_open crafted magic parsing SIGABRT).
    • FPM:
      • Fixed bug #69625 (FPM returns 200 status on request without SCRIPT_FILENAME env).
    • IMAP:
      • Fixed bug #80438 (imap_msgno() incorrectly warns and return false on valid UIDs in PHP 8).
      • Fix a regression with valid UIDs in imap_savebody().
      • Make warnings for invalid message numbers/UIDs between functions consistent.
    • Intl:
      • Fixed bug #80425 (MessageFormatAdapter::getArgTypeList redefined).
    • Opcache:
      • Fixed bug #80404 (Incorrect range inference result when division results in float).
      • Fixed bug #80377 (Opcache misses executor_globals).
      • Fixed bug #80433 (Unable to disable the use of the AVX command when using JIT).
      • Fixed bug #80447 (Strange out of memory error when running with JIT).
      • Fixed bug #80480 (Segmentation fault with JIT enabled).
      • Fixed bug #80506 (Immediate SIGSEGV upon ini_set("opcache.jit_debug", 1)).
    • OpenSSL:
      • Fixed bug #80368 (OpenSSL extension fails to build against LibreSSL due to lack of OCB support).
    • PDO MySQL:
      • Fixed bug #80458 (PDOStatement::fetchAll() throws for upsert queries).
      • Fixed bug #63185 (nextRowset() ignores MySQL errors with native prepared statements).
      • Fixed bug #78152 (PDO::exec() - Bad error handling with multiple commands).
      • Fixed bug #66878 (Multiple rowsets not returned unless PDO statement object is unset()).
      • Fixed bug #70066 (Unexpected "Cannot execute queries while other unbuffered queries").
      • Fixed bug #71145 (Multiple statements in init command triggers unbuffered query error).
      • Fixed bug #76815 (PDOStatement cannot be GCed/closeCursor-ed when a PROCEDURE resultset SIGNAL).
      • Fixed bug #79872 (Can't execute query with pending result sets).
      • Fixed bug #79131 (PDO does not throw an exception when parameter values are missing).
      • Fixed bug #72368 (PdoStatement->execute() fails but does not throw an exception).
      • Fixed bug #62889 (LOAD DATA INFILE broken).
      • Fixed bug #67004 (Executing PDOStatement::fetch() more than once prevents releasing resultset).
      • Fixed bug #79132 (PDO re-uses parameter values from earlier calls to execute()).
    • Phar:
      • Fixed bug #73809 (Phar Zip parse crash - mmap fail).
      • Fixed bug #75102 (`PharData` says invalid checksum for valid tar).
      • Fixed bug #77322 (PharData::addEmptyDir('/') Possible integer overflow).
    • Phpdbg:
      • Fixed bug #76813 (Access violation near NULL on source operand).
    • SPL:
      • Fixed bug #62004 (SplFileObject: fgets after seek returns wrong line).
    • Standard:
      • Fixed bug #80366 (Return Value of zend_fstat() not Checked).
      • Fixed bug #77423 (FILTER_VALIDATE_URL accepts URLs with invalid userinfo). (CVE-2020-7071)
    • Tidy:
      • Fixed bug #77594 (ob_tidyhandler is never reset).
    • Tokenizer:
      • Fixed bug #80462 (Nullsafe operator tokenize with TOKEN_PARSE flag fails).
    • XML:
      • XmlParser opaque object renamed to XMLParser for consistency with other XML objects.
    • Zlib:
      • Fixed bug #48725 (Support for flushing in zlib stream).

    Version 8.0.0

    • BZ2:
      • Fixed bug #71263 (fread() does not report bzip2.decompress errors).
    • CLI:
      • Allow debug server binding to an ephemeral port via `-S localhost:0`.
    • COM:
      • Fixed bug #55847 (DOTNET .NET 4.0 GAC new location).
      • Fixed bug #62474 (com_event_sink crashes on certain arguments).
    • Calendar:
      • Fixed bug #80007 (Potential type confusion in unixtojd() parameter parsing).
    • Core:
      • Fixed bug #36365 (scandir duplicates file name at every 65535th file).
      • Fixed bug #49555 (Fatal error "Function must be a string" message should be renamed).
      • Fixed bug #62294 (register_shutdown_function() does not correctly handle exit code).
      • Fixed bug #62609 (Allow implementing Traversable on abstract classes).
      • Fixed bug #65274 (Enhance undefined class constant error with class name).
      • Fixed bug #65275 (Calling exit() in a shutdown function does not change the exit value in CLI).
      • Fixed bug #69084 (Unclear error message when not implementing a renamed abstract trait function).
      • Fixed bug #70839 (Converting optional argument to variadic forbidden by LSP checks).
      • Fixed bug #74558 (Can't rebind closure returned by Closure::fromCallable()).
      • Fixed bug #77561 (Shebang line not stripped for non-primary script).
      • Fixed bug #77619 (Wrong reflection on MultipleIterator::__construct).
      • Fixed bug #77966 (Cannot alias a method named "namespace").
      • Fixed bug #78236 (convert error on receiving variables when duplicate [).
      • Fixed bug #78770 (Incorrect callability check inside internal methods).
      • Fixed bug #79108 (Referencing argument in a function makes it a reference in the stack trace).
      • Fixed bug #79368 ("Unexpected end of file" is not an acceptable error message).
      • Fixed bug #79462 (method_exists and property_exists incoherent behavior).
      • Fixed bug #79467 (data:// wrappers are writable).
      • Fixed bug #79521 (Check __set_state structure).
      • Fixed bug #79790 ("Illegal offset type" exception during AST evaluation not handled properly).
      • Fixed bug #79791 (Assertion failure when unsetting variable during binary op).
      • Fixed bug #79828 (Segfault when trying to access non-existing variable).
      • Fixed bug #79841 (Syntax error in configure / unescaped "[]" in php.m4).
      • Fixed bug #79852 (count(DOMNodeList) doesn't match count(IteratorIterator(DOMNodeList))).
      • Fixed bug #79867 (Promoted untyped properties should get null default value).
      • Fixed bug #79897 (Promoted constructor params with attribs cause crash).
      • Fixed bug #79927 (Generator doesn't throw exception after multiple yield from iterable).
      • Fixed bug #79946 (Build fails due to undeclared UINT32_C).
      • Fixed bug #79948 (Exit in auto-prepended file does not abort PHP execution).
      • Fixed bug #80045 (memleak after two set_exception_handler calls with __call).
      • Fixed bug #80096 (Segmentation fault with named arguments in nested call).
      • Fixed bug #80109 (Cannot skip arguments when extended debug is enabled).
      • Fixed bug #80225 (broken namespace usage in eval code).
      • Fixed bug #80258 (Windows Deduplication Enabled, randon permission errors).
      • Fixed bug #80280 (ADD_EXTENSION_DEP() fails for ext/standard and ext/date).
      • Fixed bug #80334 (assert() vs named parameters - confusing error).
      • Fixed bug #80055 (Abstract trait methods returning "self" cannot be fulfilled by traits).
      • Fixed faulty generator cleanup with yield from.
      • Implement #[Attr] Attribute syntax as per final vote in RFC https://wiki.php.net/rfc/shorter_attribute_syntax_change
      • Implemented FR #47074 (phpinfo() reports "On" as 1 for the some extensions).
      • Implemented FR #72089 (require() throws fatal error instead of exception).
      • Removed the pdo_odbc.db2_instance_name php.ini directive.
      • Use SSE2 instructions do locale independent strtolower.
    • Curl:
      • Bumped required libcurl version to 7.29.0.
      • Fixed bug #80121 (Null pointer deref if CurlHandle directly instantiated).
    • DOM:
      • Add property DOMXPath::$registerNodeNamespaces and constructor argument that allow global flag to configure query() or evaluate() calls.
      • Fixed bug #79968 (DOMChildNode API crash on unattached nodes).
      • Fixed bug #80268 (loadHTML() truncates at NUL bytes).
    • Date:
      • Fixed bug #60302 (DateTime::createFromFormat should new static(), not new self()).
      • Fixed bug #65547 (Default value for sunrise/sunset zenith still wrong).
      • Fixed bug #69044 (discrepancy between time and microtime).
      • Fixed bug #80057 (DateTimeImmutable::createFromFormat() does not populate time).
      • Implemented FR #79903 (datetime: new format "p", same as "P" but returning "Z" for UTC).
    • Enchant:
      • Add LIBENCHANT_VERSION macro.
      • Add enchant_dict_add and enchant_dict_is_added functions.
      • Deprecate enchant_broker_set_dict_path, enchant_broker_get_dict_path, enchant_dict_add_to_personal and enchant_dict_is_in_session.
      • Use libenchant-2 when available.
    • FFI:
      • Added FFI\CType::getName() method.
      • Fixed bug #79177 (FFI doesn't handle well PHP exceptions within callback).
      • Fixed bug #79749 (Converting FFI instances to bool fails).
    • FPM:
      • Add pm.status_listen option.
    • Fileinfo:
      • Upgrade to libmagic 5.39.
    • GD:
      • Added imagegetinterpolation().
      • Fixed bug #55005 (imagepolygon num_points requirement).
      • Made the $num_points parameter of php_imagepolygon optional.
      • Removed deprecated image2wbmp().
      • Removed deprecated png2wbmp() and jpeg2wbmp().
      • Replaced gd resources with objects.
    • IMAP:
      • Fixed bug #64076 (imap_sort() does not return FALSE on failure).
      • Fixed bug #76618 (segfault on imap_reopen).
      • Fixed bug #80213 (imap_mail_compose() segfaults on certain $bodies).
      • Fixed bug #80215 (imap_mail_compose() may modify by-val parameters).
      • Fixed bug #80216 (imap_mail_compose() does not validate types/encodings).
      • Fixed bug #80220 (imap_mail_compose() may leak memory).
      • Fixed bug #80223 (imap_mail_compose() leaks envelope on malformed bodies).
      • Fixed bug #80226 (imap_sort() leaks sortpgm memory).
      • Fixed bug #80239 (imap_rfc822_write_address() leaks memory).
      • Fixed bug #80242 (imap_mail_compose() segfaults for multipart with rfc822).
      • Fixed minor regression caused by fixing bug #80220.
    • Iconv:
      • Dropped support for iconv without proper errno setting.
    • Intl:
      • Removed deprecated INTL_IDNA_VARIANT_2003.
    • JIT:
      • Fixed bug #77857 (Wrong result if executed with JIT).
      • Fixed bug #79255 (PHP cannot be compiled with enable JIT).
      • Fixed bug #79582 (Crash seen when opcache.jit=1235 and opcache.jit_debug=2).
      • Fixed bug #79743 (Fatal error when assigning to array property with JIT enabled).
      • Fixed bug #79864 (JIT segfault in Symfony OptionsResolver).
      • Fixed bug #79888 (Incorrect execution with JIT enabled).
    • JSON:
      • The JSON extension is now an integral part of PHP and cannot be disabled as per RFC: https://wiki.php.net/rfc/always_enable_json (tandre)
    • LDAP:
      • Fixed memory leaks.
      • Removed deprecated ldap_sort.
    • MBString:
      • Fixed bug #76999 (mb_regex_set_options() return current options).
      • Removed the unused $is_hex parameter from mb_decode_numericentity().
    • MySQLi:
      • Fixed bug #76809 (SSL settings aren't respected when persistent connections are used).
    • Mysqlnd:
      • Fixed bug #60594 (mysqlnd exposes 160 lines of stats in phpinfo).
    • OCI8:
      • Deprecated old OCI8 function aliases.
      • Modernized oci_register_taf_callback() callable argument parsing implementation.
      • Removed obsolete no-op function oci_internal_debug().
    • ODBC:
      • Fixed bug #22986 (odbc_connect() may reuse persistent connection).
      • Fixed bug #44618 (Fetching may rely on uninitialized data).
    • Opcache:
      • Fixed bug #76535 (Opcache does not replay compile-time warnings).
      • Fixed bug #78654 (Incorrectly computed opcache checksum on files with non-ascii characters).
      • Fixed bug #79665 (ini_get() and opcache_get_configuration() inconsistency).
      • Fixed bug #80030 (Optimizer segfault with isset on static property with undef dynamic class name).
      • Fixed bug #80175 (PHP8 RC1 - JIT Buffer not working).
      • Fixed bug #80184 (Complex expression in while / if statements resolves to false incorrectly).
      • Fixed bug #80255 (Opcache bug (bad condition result) in 8.0.0rc1).
      • Fixed run-time binding of preloaded dynamically declared function.
    • OpenSSL:
      • Added Cryptographic Message Syntax (CMS) support.
    • PCRE:
      • Don't ignore invalid escape sequences.
      • Updated to PCRE2 10.35.
    • PDO:
      • Changed default PDO error mode to exceptions.
      • Fixed bug #77849 (Disable cloning of PDO handle/connection objects).
    • PDO_Firebird:
      • Fixed bug #64937 (Firebird PDO preprocessing sql).
    • PDO_OCI:
      • Added support for setting and getting the oracle OCI 18c call timeout.
    • PDO_PGSQL:
      • Bumped required libpq version to 9.1.
    • PGSQL:
      • Bumped required libpq version to 9.1.
    • Phpdbg:
      • Fixed bug #76596 (phpdbg support for display_errors=stderr).
      • Fixed bug #76801 (too many open files).
      • Fixed bug #77800 (phpdbg segfaults on listing some conditional breakpoints).
      • Fixed bug #77805 (phpdbg build fails when readline is shared).
    • Reflection:
      • Fixed bug #64592 (ReflectionClass::getMethods() returns methods out of scope).
      • Fixed bug #69180 (Reflection does not honor trait conflict resolution / method aliasing).
      • Fixed bug #74939 (Nested traits' aliased methods are lowercased).
      • Fixed bug #77325 (ReflectionClassConstant::$class returns wrong class when extending).
      • Fixed bug #78697 (ReflectionClass::implementsInterface - inaccurate error message with traits).
      • Fixed bug #80190 (ReflectionMethod::getReturnType() does not handle static as part of union type).
      • Fixed bug #80299 (ReflectionFunction->invokeArgs confused in arguments).
      • Fixed bug #80370 (getAttributes segfault on dynamic properties).
      • Implemented FR #79628 (Add $filter parameter for ReflectionClass::getConstants and ReflectionClass::getReflectionConstants) (carusogabriel)
      • Implement ReflectionProperty::hasDefaultValue and Reflection::getDefaultValue (beberlei)
    • SNMP:
      • Fixed bug #70461 (disable md5 code when it is not supported in net-snmp).
    • SPL:
      • Fixed bug #65006 (spl_autoload_register fails with multiple callables using self, same method).
      • Fixed bug #65387 (Circular references in SPL iterators are not garbage collected).
      • Fixed bug #71236 (Second call of spl_autoload_register() does nothing if it has no arguments).
      • Fixed bug #79987 (Memory leak in SplFileInfo because of missing zend_restore_error_handling()).
      • SplFixedArray is now IteratorAggregate rather than Iterator.
    • SQLite3:
      • Added SQLite3::setAuthorizer() and respective class constants.
    • Session:
      • Fixed bug #73529 (session_decode() silently fails on wrong input).
      • Fixed bug #78624 (session_gc return value for user defined session handlers).
    • Shmop:
      • Converted shmop resources to objects.
    • SimpleXML:
      • Fixed bug #63575 (Root elements are not properly cloned).
      • Fixed bug #75245 (Don't set content of elements with only whitespaces).
    • Sodium:
      • Fixed bug #77646 (sign_detached() strings not terminated).
    • Standard:
      • Don't force rebuild of symbol table, when populating $http_response_header variable by the HTTP stream wrapper.
      • Fixed bug #47983 (mixed LF and CRLF line endings in mail()).
      • Fixed bug #64060 (lstat_stat_variation7.phpt fails on certain file systems).
      • Fixed bug #75902 (str_replace should warn when misused with nested arrays).
      • Fixed bug #76859 (stream_get_line skips data if used with data-generating filter).
      • Fixed bug #77204 (getimagesize(): Read error! should mention file path).
      • Fixed bug #78385 (parse_url() does not include 'query' when question mark is the last char).
      • Fixed bug #79868 (Sorting with array_unique gives unwanted result).
      • Fixed bug #80256 (file_get_contents strip first line with chunked encoding redirect).
      • Fixed bug #80266 (parse_url silently drops port number 0).
      • Fixed bug #80290 (Double free when ASSERT_CALLBACK is used with a dynamic message).
      • Implemented FR #78638 (__PHP_Incomplete_Class should be final).
      • Made quoting of cmd execution functions consistent.
    • Tidy:
      • Removed the unused $use_include_path parameter from tidy_repair_string().
    • Tokenizer:
      • Fixed bug #80328 (PhpToken::getAll() confusing name).
    • XML:
      • Fixed bug #76874 (xml_parser_free() should never leak memory).
    • XMLWriter:
      • Changed functions to accept/return XMLWriter objects instead of resources.
      • Implemented FR #79344 (xmlwriter_write_attribute_ns: $prefix should be nullable).
      • Removed return types from XMLWriter stubs.
    • Zip:
      • Add "flags" options to ZipArchive::addGlob and addPattern methods keeping previous behavior having FL_OVERWRITE by default.
      • Add ZipArchive::EM_UNKNOWN and ZipArchive::EM_TRAD_PKWARE constants.
      • Add ZipArchive::isCompressionMethodSupported() and ZipArchive::isEncryptionMethodSupported() method (libzip 1.7.0).
      • Add ZipArchive::replaceFile() method.
      • Add ZipArchive::setCancelCallback method (since libzip 1.6.0).
      • Add ZipArchive::setMtimeName and ZipArchive::setMtimeIndex methods.
      • Add ZipArchive::setProgressCallback method (since libzip 1.3.0).
      • Add lastId property to ZipArchive.
      • Add optional "flags" parameter to ZipArchive::addEmptyDir, addFile and addFromString methods.
      • Fixed bug #50678 (files extracted by ZipArchive class lost their original modified time).
      • Fixed bug #72374 (remove_path strips first char of filename).
      • Implemented FR #77960 (add compression / encryption options for ZipArchive::addGlob and ZipArchive::addPattern).
      • ZipArchive::status and ZipArchive::statusSys properties and ZipArchive::getStatusString() method stay valid after the archive is closed.
    • Zlib:
      • Fixed bug #71417 (fread() does not report zlib.inflate errors).
      • Fixed bug #78792 (zlib.output_compression disabled by Content-Type: image/).
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