The final version of PHP 8.0.0 is now available for Windows.

26 Nov 2020, PHP 8.0.0

- BZ2:
. Fixed bug #71263 (fread() does not report bzip2.decompress errors). (cmb)

- CLI:
. Allow debug server binding to an ephemeral port via `-S localhost:0`. (Sara)

- COM:
. Fixed bug #55847 (DOTNET .NET 4.0 GAC new location). (cmb)
. Fixed bug #62474 (com_event_sink crashes on certain arguments). (cmb)

- Calendar:
. Fixed bug #80007 (Potential type confusion in unixtojd() parameter parsing). (Andy Postnikov)

- Core:
. Fixed bug #36365 (scandir duplicates file name at every 65535th file). (cmb)
. Fixed bug #49555 (Fatal error "Function must be a string" message should be renamed). (Nikita)
. Fixed bug #62294 (register_shutdown_function() does not correctly handle exit code). (Nikita)
. Fixed bug #62609 (Allow implementing Traversable on abstract classes). (Nikita)
. Fixed bug #65274 (Enhance undefined class constant error with class name). (Nikita)
. Fixed bug #65275 (Calling exit() in a shutdown function does not change the exit value in CLI). (Nikita)
. Fixed bug #69084 (Unclear error message when not implementing a renamed abstract trait function). (Nikita)
. Fixed bug #70839 (Converting optional argument to variadic forbidden by LSP checks). (Nikita)
. Fixed bug #74558 (Can't rebind closure returned by Closure::fromCallable()). (cmb)
. Fixed bug #77561 (Shebang line not stripped for non-primary script). (Nikita)
. Fixed bug #77619 (Wrong reflection on MultipleIterator::__construct). (Fabien Villepinte)
. Fixed bug #77966 (Cannot alias a method named "namespace"). (Nikita)
. Fixed bug #78236 (convert error on receiving variables when duplicate [). (cmb)
. Fixed bug #78770 (Incorrect callability check inside internal methods). (Nikita)
. Fixed bug #79108 (Referencing argument in a function makes it a reference in the stack trace). (Nikita)
. Fixed bug #79368 ("Unexpected end of file" is not an acceptable error message). (Alex Dowad)
. Fixed bug #79462 (method_exists and property_exists incoherent behavior). (cmb)
. Fixed bug #79467 (data:// wrappers are writable). (cmb)
. Fixed bug #79521 (Check __set_state structure). (carusogabriel)
. Fixed bug #79790 ("Illegal offset type" exception during AST evaluation not handled properly). (Nikita)
. Fixed bug #79791 (Assertion failure when unsetting variable during binary op). (Nikita)
. Fixed bug #79828 (Segfault when trying to access non-existing variable). (Nikita)
. Fixed bug #79841 (Syntax error in configure / unescaped "[]" in php.m4). (Nikita)
. Fixed bug #79852 (count(DOMNodeList) doesn't match count(IteratorIterator(DOMNodeList))). (Nikita)
. Fixed bug #79867 (Promoted untyped properties should get null default value). (Nikita)
. Fixed bug #79897 (Promoted constructor params with attribs cause crash). (Deus Kane)
. Fixed bug #79927 (Generator doesn't throw exception after multiple yield from iterable). (Nikita)
. Fixed bug #79946 (Build fails due to undeclared UINT32_C). (Nikita)
. Fixed bug #79948 (Exit in auto-prepended file does not abort PHP execution). (Nikita)
. Fixed bug #80045 (memleak after two set_exception_handler calls with __call). (Nikita)
. Fixed bug #80096 (Segmentation fault with named arguments in nested call). (Nikita)
. Fixed bug #80109 (Cannot skip arguments when extended debug is enabled). (Nikita)
. Fixed bug #80225 (broken namespace usage in eval code). (Nikita)
. Fixed bug #80258 (Windows Deduplication Enabled, randon permission errors). (cmb)
. Fixed bug #80280 (ADD_EXTENSION_DEP() fails for ext/standard and ext/date). (cmb)
. Fixed bug #80334 (assert() vs named parameters - confusing error). (Nikita)
. Fixed bug #8055 (Abstract trait methods returning "self" cannot be fulfilled by traits). (Nikita)
. Fixed faulty generator cleanup with yield from. (Bob)
. 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). (cmb)
. Implemented FR #72089 (require() throws fatal error instead of exception). (Nikita)
. Removed the pdo_odbc.db2_instance_name php.ini directive. (Kalle)
. Use SSE2 instructions do locale independent strtolower. (Laruence)

- Curl:
. Bumped required libcurl version to 7.29.0. (cmb)
. Fixed bug #80121 (Null pointer deref if CurlHandle directly instantiated). (Nikita)

- 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). (Benjamin)
. Fixed bug #80268 (loadHTML() truncates at NUL bytes). (cmb)

- Date:
. Fixed bug #60302 (DateTime::createFromFormat should new static(), not new self()). (Derick)
. Fixed bug #65547 (Default value for sunrise/sunset zenith still wrong). (cmb)
. Fixed bug #69044 (discrepancy between time and microtime). (krakjoe)
. Fixed bug #80057 (DateTimeImmutable::createFromFormat() does not populate time). (Derick)
. Implemented FR #79903 (datetime: new format "p", same as "P" but returning "Z" for UTC). (gharlan)

- 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. (chopins)
. Fixed bug #79177 (FFI doesn't handle well PHP exceptions within callback). (cmb, Dmitry, Nikita)
. Fixed bug #79749 (Converting FFI instances to bool fails). (cmb)

- FPM:
. Add pm.status_listen option. (Jakub Zelenka)

- Fileinfo:
. Upgrade to libmagic 5.39. (Anatol)

- GD:
. Added imagegetinterpolation(). (cmb)
. Fixed bug #55005 (imagepolygon num_points requirement). (cmb)
. Made the $num_points parameter of php_imagepolygon optional. (cmb)
. Removed deprecated image2wbmp(). (cmb)
. Removed deprecated png2wbmp() and jpeg2wbmp(). (cmb)
. Replaced gd resources with objects. (Mark Randall)

- IMAP:
. Fixed bug #64076 (imap_sort() does not return FALSE on failure). (cmb)
. Fixed bug #76618 (segfault on imap_reopen). (girgias)
. Fixed bug #80213 (imap_mail_compose() segfaults on certain $bodies). (cmb)
. Fixed bug #80215 (imap_mail_compose() may modify by-val parameters). (cmb)
. Fixed bug #80216 (imap_mail_compose() does not validate types/encodings). (cmb)
. Fixed bug #80220 (imap_mail_compose() may leak memory). (cmb)
. Fixed bug #80223 (imap_mail_compose() leaks envelope on malformed bodies). (cmb)
. Fixed bug #80226 (imap_sort() leaks sortpgm memory). (cmb)
. Fixed bug #80239 (imap_rfc822_write_address() leaks memory). (cmb)
. Fixed bug #80242 (imap_mail_compose() segfaults for multipart with rfc822). (cmb)
. Fixed minor regression caused by fixing bug #80220. (cmb)

- Iconv:
. Dropped support for iconv without proper errno setting. (cmb)

- Intl:
. Removed deprecated INTL_IDNA_VARIANT_2003. (cmb)

- JIT:
. Fixed bug #77857 (Wrong result if executed with JIT). (Laruence)
. Fixed bug #79255 (PHP cannot be compiled with enable JIT). (Laruence, Dmitry)
. Fixed bug #79582 (Crash seen when opcache.jit=1235 and opcache.jit_debug=2). (Laruence)
. Fixed bug #79743 (Fatal error when assigning to array property with JIT enabled). (Laruence)
. Fixed bug #79864 (JIT segfault in Symfony OptionsResolver). (Dmitry)
. Fixed bug #79888 (Incorrect execution with JIT enabled). (Dmitry)

- 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. (ptomulik)
. Removed deprecated ldap_sort. (mcmic)

- MBString:
. Fixed bug #76999 (mb_regex_set_options() return current options). (cmb)
. Removed the unused $is_hex parameter from mb_decode_numericentity(). (cmb)

- MySQLi:
. Fixed bug #76809 (SSL settings aren't respected when persistent connections are used). (fabiomsouto)

- Mysqlnd:
. Fixed #60594 (mysqlnd exposes 160 lines of stats in phpinfo). (PeeHaa)

- OCI8:
. Deprecated old OCI8 function aliases. (Jens de Nies)
. Modernized oci_register_taf_callback() callable argument parsing implementation. (girgias)
. Removed obsolete no-op function oci_internal_debug(). (Jens de Nies)

- ODBC:
. Fixed bug #22986 (odbc_connect() may reuse persistent connection). (cmb)
. Fixed bug #44618 (Fetching may rely on uninitialized data). (cmb)

- Opcache:
. Fixed bug #76535 (Opcache does not replay compile-time warnings). (Nikita)
. Fixed bug #78654 (Incorrectly computed opcache checksum on files with non-ascii characters). (mhagstrand)
. Fixed bug #79665 (ini_get() and opcache_get_configuration() inconsistency). (cmb)
. Fixed bug #80030 (Optimizer segfault with isset on static property with undef dynamic class name). (Nikita)
. Fixed bug #80175 (PHP8 RC1 - JIT Buffer not working). (cmb)
. Fixed bug #80184 (Complex expression in while / if statements resolves to false incorrectly). (Nikita)
. Fixed bug #80255 (Opcache bug (bad condition result) in 8.0.0rc1). (Nikita)
. Fixed run-time binding of preloaded dynamically declared function. (Dmitry)

- OpenSSL:
. Added Cryptographic Message Syntax (CMS) support. (Eliot Lear)

- PCRE:
. Don't ignore invalid escape sequences. (sjon)
. Updated to PCRE2 10.35. (cmb)

- PDO:
. Changed default PDO error mode to exceptions. (AllenJB)
. Fixed bug #77849 (Disable cloning of PDO handle/connection objects). (camporter)

- PDO_Firebird:
. Fixed bug #64937 (Firebird PDO preprocessing sql). (Simonov Denis)

- PDO_OCI:
. Added support for setting and getting the oracle OCI 18c call timeout. (camporter)

- PDO_PGSQL:
. Bumped required libpq version to 9.1. (cmb)

- PGSQL:
. Bumped required libpq version to 9.1. (cmb)

- Phpdbg:
. Fixed bug #76596 (phpdbg support for display_errors=stderr). (kabel)
. Fixed bug #76801 (too many open files). (alekitto)
. Fixed bug #77800 (phpdbg segfaults on listing some conditional breakpoints). (krakjoe)
. Fixed bug #77805 (phpdbg build fails when readline is shared). (krakjoe)

- Reflection:
. Fixed bug #64592 (ReflectionClass::getMethods() returns methods out of scope). (Nikita)
. Fixed bug #69180 (Reflection does not honor trait conflict resolution / method aliasing). (Nikita)
. Fixed bug #74939 (Nested traits' aliased methods are lowercased). (Nikita)
. Fixed bug #77325 (ReflectionClassConstant::$class returns wrong class when extending). (Nikita)
. Fixed bug #78697 (ReflectionClass::implementsInterface - inaccurate error message with traits). (villfa)
. Fixed bug #80190 (ReflectionMethod::getReturnType() does not handle static as part of union type). (Nikita)
. Fixed bug #80299 (ReflectionFunction->invokeArgs confused in arguments). (Nikita)
. Fixed bug #80370 (getAttributes segfault on dynamic properties). (Benjamin Eberlei)
. Implement #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). (Alexander Bergmann, cmb)

- SPL:
. Fixed bug #65006 (spl_autoload_register fails with multiple callables using self, same method). (Nikita)
. Fixed bug #65387 (Circular references in SPL iterators are not garbage collected). (Nikita)
. Fixed bug #71236 (Second call of spl_autoload_register() does nothing if it has no arguments). (Nikita)
. Fixed bug #79987 (Memory leak in SplFileInfo because of missing zend_restore_error_handling()). (Dmitry)
. SplFixedArray is now IteratorAggregate rather than Iterator. (alexdowad)

- SQLite3:
. Added SQLite3::setAuthorizer() and respective class constants. (bohwaz)

- Session:
. Fixed bug #73529 (session_decode() silently fails on wrong input). (cmb)
. Fixed bug #78624 (session_gc return value for user defined session handlers). (bshaffer)

- Shmop: . Converted shmop resources to objects. (cmb) - SimpleXML:
. Fixed bug #63575 (Root elements are not properly cloned). (cmb)
. Fixed bug #75245 (Don't set content of elements with only whitespaces). (eriklundin)

- Sodium:
. Fixed bug #77646 (sign_detached() strings not terminated). (Frank)
- Standard:
. Don't force rebuild of symbol table, when populating $http_response_header variable by the HTTP stream wrapper. (Dmitry)
. Fixed bug #47983 (mixed LF and CRLF line endings in mail()). (cmb)
. Fixed bug #64060 (lstat_stat_variation7.phpt fails on certain file systems). (M. Voelker, cmb)
. Fixed bug #75902 (str_replace should warn when misused with nested arrays). (Nikita)
. Fixed bug #76859 (stream_get_line skips data if used with data-generating filter). (kkopachev)
. Fixed bug #77204 (getimagesize(): Read error! should mention file path). (peter279k)
. Fixed bug #78385 (parse_url() does not include 'query' when question mark is the last char). (Islam Israfilov)
. Fixed bug #79868 (Sorting with array_unique gives unwanted result). (Nikita)
. Fixed bug #80256 (file_get_contents strip first line with chunked encoding redirect). (Nikita)
. Fixed bug #80266 (parse_url silently drops port number 0). (cmb, Nikita)
. Fixed bug #80290 (Double free when ASSERT_CALLBACK is used with a dynamic message). (Nikita)
. Implemented FR #78638 (__PHP_Incomplete_Class should be final). (Laruence) . Made quoting of cmd execution functions consistent. (cmb)

- Tidy:
. Removed the unused $use_include_path parameter from tidy_repair_string(). (cmb)

- Tokenizer:
. Fixed bug #80328 (PhpToken::getAll() confusing name). (Nikita)

- XML:
. Fixed bug #76874 (xml_parser_free() should never leak memory). (Nikita)

- XMLWriter:
. Changed functions to accept/return XMLWriter objects instead of resources. (cmb)
. Implemented FR #79344 (xmlwriter_write_attribute_ns: $prefix should be nullable). (cmb)
. Removed return types from XMLWriter stubs. (cmb)

- Zip:
. Add "flags" options to ZipArchive::addGlob and addPattern methods keeping previous behavior having FL_OVERWRITE by default. (Remi)
. Add ZipArchive::EM_UNKNOWN and ZipArchive::EM_TRAD_PKWARE constants. (Remi)
. Add ZipArchive::isCompressionMethodSupported() and ZipArchive::isEncryptionMethodSupported() method (libzip 1.7.0). (Remi)
. Add ZipArchive::replaceFile() method. (Remi)
. Add ZipArchive::setCancelCallback method (since libzip 1.6.0). (Remi)
. Add ZipArchive::setMtimeName and ZipArchive::setMtimeIndex methods. (Remi)
. Add ZipArchive::setProgressCallback method (since libzip 1.3.0). (Remi)
. Add lastId property to ZipArchive. (Remi)
. Add optional "flags" parameter to ZipArchive::addEmptyDir, addFile and addFromString methods. (Remi)
. Fixed bug #50678 (files extracted by ZipArchive class lost their original modified time). (Remi)
. Fixed bug #72374 (remove_path strips first char of filename). (tyage, Remi)
. Implemented FR #77960 (add compression / encryption options for ZipArchive::addGlob and ZipArchive::addPattern). (Remi)
. ZipArchive::status and ZipArchive::statusSys properties and ZipArchive::getStatusString() method stay valid after the archive is closed. (Remi)

- Zlib:
. Fixed bug #71417 (fread() does not report zlib.inflate errors). (cmb)
. Fixed bug #78792 (zlib.output_compression disabled by Content-Type: image/). (cmb)



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