PHP 8.0.0

What's new in this version:

BZ2:
- Fixed (fread() does not report bzip2.decompress errors)

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

COM:
- Fixed (DOTNET .NET 4.0 GAC new location)
- Fixed (com_event_sink crashes on certain arguments)

Calendar:
- Fixed (Potential type confusion in unixtojd() parameter parsing)

Core:
- Fixed (scandir duplicates file name at every 65535th file)
- Fixed (Fatal error "Function must be a string" message should be renamed)
- Fixed (register_shutdown_function() does not correctly handle exit code)
- Fixed (Allow implementing Traversable on abstract classes)
- Fixed (Enhance undefined class constant error with class name)
- Fixed (Calling exit() in a shutdown function does not change the exit value in CLI)
- Fixed (Unclear error message when not implementing a renamed abstract trait function)
- Fixed (Converting optional argument to variadic forbidden by LSP checks)
- Fixed (Can't rebind closure returned by Closure::fromCallable())
- Fixed (Shebang line not stripped for non-primary script)
- Fixed (Wrong reflection on MultipleIterator::__construct)
- Fixed (Cannot alias a method named "namespace")
- Fixed (convert error on receiving variables when duplicate [)
- Fixed (Incorrect callability check inside internal methods)
- Fixed (Referencing argument in a function makes it a reference in the stack trace)
- Fixed ("Unexpected end of file" is not an acceptable error message)
- Fixed (method_exists and property_exists incoherent behavior)
- Fixed (data:// wrappers are writable)
- Fixed (Check __set_state structure)
- Fixed ("Illegal offset type" exception during AST evaluation not handled properly)
- Fixed (Assertion failure when unsetting variable during binary op)
- Fixed (Segfault when trying to access non-existing variable)
- Fixed (Syntax error in configure / unescaped "[]" in php.m4)
- Fixed (count(DOMNodeList) doesn't match count(IteratorIterator(DOMNodeList)))
- Fixed (Promoted untyped properties should get null default value)
- Fixed (Promoted constructor params with attribs cause crash)
- Fixed (Generator doesn't throw exception after multiple yield from iterable)
- Fixed (Build fails due to undeclared UINT32_C)
- Fixed (Exit in auto-prepended file does not abort PHP execution)
- Fixed (memleak after two set_exception_handler calls with __call)
- Fixed (Segmentation fault with named arguments in nested call)
- Fixed (Cannot skip arguments when extended debug is enabled)
- Fixed (broken namespace usage in eval code)
- Fixed (Windows Deduplication Enabled, randon permission errors)
- Fixed (ADD_EXTENSION_DEP() fails for ext/standard and ext/date)
- Fixed (assert() vs named parameters - confusing error)
- Fixed (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 (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 (DateTime::createFromFormat should new static(), not new self())
- Fixed (Default value for sunrise/sunset zenith still wrong)
- Fixed (discrepancy between time and microtime)
- Fixed (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 FFICType::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 (Wrong result if executed with JIT)
- Fixed (PHP cannot be compiled with enable JIT)
- Fixed (Crash seen when opcache.jit=1235 and opcache.jit_debug=2)
- Fixed (Fatal error when assigning to array property with JIT enabled)
- Fixed (JIT segfault in Symfony OptionsResolver)
- Fixed (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 (mb_regex_set_options() return current options)
- Removed the unused $is_hex parameter from mb_decode_numericentity()

MySQLi:
- Fixed (SSL settings aren't respected when persistent connections are used)

Mysqlnd:
- Fixed (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 (Opcache does not replay compile-time warnings)
- Fixed (Incorrectly computed opcache checksum on files with non-ascii characters)
- Fixed (ini_get() and opcache_get_configuration() inconsistency)
- Fixed (Optimizer segfault with isset on static property with undef dynamic class name)
- Fixed (PHP8 RC1 - JIT Buffer not working)
- Fixed (Complex expression in while / if statements resolves to false incorrectly)
- Fixed (Opcache bug (bad condition result) in 8.0.0rc1)
- Fixed nding 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 (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 (phpdbg support for display_errors=stderr)
- Fixed (too many open files)
- Fixed (phpdbg segfaults on listing some conditional breakpoints)
- Fixed (phpdbg build fails when readline is shared)

Reflection:
- Fixed (ReflectionClass::getMethods() returns methods out of scope)
- Fixed (Reflection does not honor trait conflict resolution / method aliasing)
- Fixed (Nested traits' aliased methods are lowercased)
- Fixed (ReflectionClassConstant::$class returns wrong class when extending)
- Fixed (ReflectionClass::implementsInterface - inaccurate error message with traits)
- Fixed (ReflectionMethod::getReturnType() does not handle static as part of union type)
- Fixed (ReflectionFunction->invokeArgs confused in arguments)
- Fixed (getAttributes segfault on dynamic properties)
- Implement (Add $filter parameter for ReflectionClass::getConstants and ReflectionClass::getReflectionConstants) (carusogabriel)
- Implement ReflectionProperty::hasDefaultValue and Reflection::getDefaultValue (beberlei)

SNMP:
- Fixed (disable md5 code when it is not supported in net-snmp)

SPL:
- Fixed (spl_autoload_register fails with multiple callables using self, same method)
- Fixed (Circular references in SPL iterators are not garbage collected)
- Fixed (Second call of spl_autoload_register() does nothing if it has no arguments)
- Fixed (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 (session_decode() silently fails on wrong input)
- Fixed (session_gc return value for user defined session handlers)

Shmop:
- Converted shmop resources to objects

SimpleXML:
- Fixed (Root elements are not properly cloned)
- Fixed (Don't set content of elements with only whitespaces)

Sodium:
- Fixed (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 (mixed LF and CRLF line endings in mail())
- Fixed (lstat_stat_variation7.phpt fails on certain file systems)
- Fixed (str_replace should warn when misused with nested arrays)
- Fixed (stream_get_line skips data if used with data-generating filter)
- Fixed (getimagesize(): Read error! should mention file path)
- Fixed (parse_url() does not include 'query' when question mark is the last char)
- Fixed (Sorting with array_unique gives unwanted result)
- Fixed (file_get_contents strip first line with chunked encoding redirect)
- Fixed (parse_url silently drops port number 0)
- Fixed (Double free when ASSERT_CALLBACK is used with a dynamic message)
- Implemented FR (__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 (PhpToken::getAll() confusing name)

XML:
- Fixed (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 (fread() does not report zlib.inflate errors)
- Fixed (zlib.output_compression disabled by Content-Type: image/)