این نسخه شامل ویژگی ها و تغییرات عظیمی است از جمله:
Union Types
Named Arguments
Match Expressions
Attributes
Constructor Property Promotion
Nullsafe Operator
Weak Maps
Just In Time Compilation (JIT)
و بهبود در نوع سیستم ، مدیریت خطا و سازگاری می توان اشاره کرد.
کلیه تغییرات با جزئیات نسخه 8:
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 $bodies). Fixed bug #80215 (imap_mail_compose() may modify by-val parameters). Fixed bug #80216 (imap_mail_compose() does not validate types/encodings). Fixed bug #80220 (imap_mail_compose() may leak memory). Fixed bug #80223 (imap_mail_compose() leaks envelope on malformed bodies). Fixed bug #80226 (imap_sort() leaks sortpgm memory). Fixed bug #80239 (imap_rfc822_write_address() leaks memory). Fixed bug #80242 (imap_mail_compose() segfaults for multipart with rfc822). Fixed minor regression caused by fixing bug #80220.
Iconv:Dropped support for iconv without proper errno setting.
Intl:Removed deprecated INTL_IDNA_VARIANT_2003.
JIT:Fixed bug #77857 (Wrong result if executed with JIT). Fixed bug #79255 (PHP cannot be compiled with enable JIT). Fixed bug #79582 (Crash seen when opcache.jit=1235 and opcache.jit_debug=2). Fixed bug #79743 (Fatal error when assigning to array property with JIT enabled). Fixed bug #79864 (JIT segfault in Symfony OptionsResolver). Fixed bug #79888 (Incorrect execution with JIT enabled).
JSON:The JSON extension is now an integral part of PHP and cannot be disabled as per RFC: https://wiki.php.net/rfc/always_enable_json (tandre)
PDO_OCI:Added support for setting and getting the oracle OCI 18c call timeout.
PDO_PGSQL:Bumped required libpq version to 9.1. PGSQL:Bumped required libpq version to 9.1.
Phpdbg:Fixed bug #76596 (phpdbg support for display_errors=stderr). Fixed bug #76801 (too many open files). Fixed bug #77800 (phpdbg segfaults on listing some conditional breakpoints). Fixed bug #77805 (phpdbg build fails when readline is shared).
Reflection:Fixed bug #64592 (ReflectionClass::getMethods() returns methods out of scope). Fixed bug #69180 (Reflection does not honor trait conflict resolution / method aliasing). Fixed bug #74939 (Nested traits' aliased methods are lowercased). Fixed bug #77325 (ReflectionClassConstant::$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). 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).
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().
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/).
خلاصه تغییرات و عملکرد این نسخه را در سایت PHP مشاهده کنید.
