PHP Core Roundup #6

Published on Sep 30, 2022 by Ayesh Karunaratne

Welcome back to PHP Core Roundup, the sixth in the series. PHP Core Roundup summarizes the latest improvements, bug fixes, discussions, and proposals to PHP.

The PHP Foundation currently supports six part-time PHP contributors who work on maintenance and new features for PHP. Maintenance is not limited to fixing bugs, but also includes work to reduce technical debt, making life easier for everyone working on PHP. The contributors funded by the PHP Foundation collaborate with other contributors on code, documentation, and discussions.

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September was a slow month, given that PHP 8.2 reached its feature-freeze, and most of the work is now focused on getting PHP 8.2 ready for its general availability, scheduled for November 24th.

Nikita Popov recently tagged three new releases of the nikic/PHP-Parser library with support for PHP 8.2 features and syntax. PHP-Parser is used as the underlying PHP parser for several PHP static analyzers, and you can expect many PHP tools to support new PHP 8.2 syntax in the coming weeks.

Early-developments for PHP 8.3

Although PHP 8.2 is still being ironed out, there are some discussions and even an RFC currently being voted for proposed changes in PHP 8.3 (scheduled for the end of 2023!).

Deprecations for PHP 8.3 RFC is currently in draft, which stands to track ideas on deprecating certain features. So far those are related to the mb_strimwidth function, NumberFormatter class, and a few functions related to Random Number Generators (RNG).

Furthermore, there is an RFC currently under vote to add a new function named json_validate(), that validates a given JSON string without the memory overhead of otherwise decoding the JSON string into memory.

Recent RFCs, Merged PRs, and Commits

Changes and improvements to PHP are discussed, reported, and voted on by the PHP Foundation Team, the PHP development team, and contributors. Bug reports are made to the PHP issue tracker, changes are discussed in mailing lists, minor code changes are proposed as pull requests, and major changes are discussed in detail and voted on as PHP RFCs. Documentation and the php.net web site changes are also discussed and improved at their relevant Git repositories on GitHub.

Hundreds of awesome PHP contributors put their efforts into improvements to the PHP code base, documentation, and the php.net website. Here is a summary of some of the changes made by the people behind PHP. Things marked with 💜 are done by the PHP Foundation team.

RFC Updates and Pull-Request Updates

Following are the RFCs and major pull-requests discussed, voted, and implemented since our last update.

RFC In Voting: json_validate

RFC by Juan Carlos Morales, to add a new json_validate() function that returns whether the given string of JSON is a valid JSON. PHP’s json_decode() function can emit errors or throw exceptions on strings with invalid JSON, but the proposed json_validate function will be faster and more memory efficient because it does not attempt to build the data structures in memory, but merely validate the given string.

This RFC is currently under vote, and concludes on 7th of October. The responses have been overwhelmingly positive to add json_validate to PHP 8.3.
RFC In Draft: Deprecations for PHP 8.3

RFC Christoph M. Becker and George Peter Banyard 💜 with suggestions from Tim Düsterhus and Go Kudo (so far!), that proposes a series of functionality/syntax to deprecate in PHP 8.3, and eventually remove in PHP 9.0.

Each proposed deprecation will be voted to determine if the deprecation makes it to PHP 8.3, but having a consolidated RFC eases the voting and discussions.

So far, the RFC proposes to deprecate the following:
- Passing negative $widths to mb_strimwidth()
- The NumberFormatter::TYPE_CURRENCY constant
- MT_RAND_PHP constant/mode
- Global Mersenne Twister: This includes deprecating several RNG functions including rand(), mt_rand(), array_rand(), shuffle(), and str_shuffle() functions in favor of the \Random\Randomizer class introduced in PHP 8.2, or random_int()/random_bytes() functions available since PHP 7.0. Most of the applications can simply switch to random_int()/random_bytes(), and applications that rely on an existing Mersenne Twister sequence can use the scoped Mt19937 engine through the new \Random\Randomizer class.

Documentation

Now that PHP 8.2 is being prepared for GA releases, the documentation available on php.net, requires updating. An initial version of the PHP 8.2 migration guide has been published.

George P. Banyard 💜 is tracking the progress for PHP 8.2 related changes in php/doc-en#1803, and you can help too!

You can also help with other existing issues, a good starting point are issues marked as “good first issue” that George went and triaged in preparation for Hacktoberfest.

Derick has gone through all the datetime notes, and integrated them where needed, deleted where not.

Merged PRs and Commits

Following are some changes that did not go through an RFC process because they are either planned, bug fixes, or progressive enhancements. There are automated unit and integration tests for each of these changes, the PHP core developers review all pull requests.

Do not generate CONST_CS when registering constants in GH-9439 by Máté Kocsis 💜
Fix GH-9310: SSL local_cert and local_pk do not respect open_basedir restriction in 505e8d2a04 by Jakub Zelenka 💜
Implement FR #76935: OpenSSL chacha20-poly1305 AEAD support in 1407968891 by Jakub Zelenka 💜
Add openssl_cipher_key_length function in 35e2a25d83 by Jakub Zelenka 💜
Add libxml_get_external_entity_loader() in 11796229f2 by Tim Starling
Drop unsupported libxml2 2.10.0 symbols in GH-9358 by Christoph M. Becker
Respond without body to HEAD request on a static resource in 4f509058a9 by Vedran Miletić
Respond with HTTP status 405 to DELETE/PUT/PATCH request on a static resource in 7065a222b7 by Vedran Miletić
Update NEWS for CLI built-in server changes in 5e9af0d0b0 by Jakub Zelenka 💜
Add a bit verbosity in FPM logs in 335979fe1b by Mikhail Galanin
FPM fix strict prototype warnings in GH-8986 by David Carlier
Fix ext/opcache/tests/jit/inc_obj_004.phpt failure introduced by fd74ee7e in ce42dcf483 by Dmitry Stogov
Delay fiber VM stack cleanup until after observer has been called in 8fe1db2089 by Bob Weinand
Revert “Fix GH-9296: ksort behaves incorrectly on arrays with mixed keys” in 725cb4e8ad by Christoph M. Becker
JIT: Fix missing type store in 4b884bedc8 by Dmitry Stogov
Fix memory leak in 4135e6011c by Dmitry Stogov
Fixed bug GH-9431: DateTime::getLastErrors() not returning false when no errors/warnings in 932586c426 by Derick Rethans 💜
Fix GH-8885: access.log with stderr writes logs to error_log after reload in f92505cf24 by Dmitry Menshikov
typo in 263a07e5b0 by Dmitry Stogov
Fix GH-8885 tests on MacOS in bcdd9877e1 by Jakub Zelenka 💜
Re-add fixed tests for GH-8885 in 986e7319c5 by Jakub Zelenka 💜
Fix GH-9347: Current ODBC liveness checks may be inadequate in GH-9353 by Calvin Buckley
Fix bug #77780: “Headers already sent” when previous connection was aborted in 3503b1daa2 by Jakub Zelenka 💜
Fix FPM tester conflict in e3034dba3e by Jakub Zelenka 💜
Update gen_stub to avoid compile errors on duplicate function names in GH-9406 by Andreas Braun
Fix zend/test aliases in ef21bbe66c by Máté Kocsis 💜
Adjust PHPDoc in 869ab3c481 by Máté Kocsis 💜
Remove unused ext/zend_test alias functions in 8d78dce902 by Máté Kocsis 💜
Fix GH-9186 @strict-properties can be bypassed using unserialization in GH-9354 by Máté Kocsis 💜
Make var_export/debug_zval_dump check for infinite recursion on the *object* in GH-9448 by Tyson Andre
Fix tests in 65619e868c by Christoph M. Becker
Add NEWS and UPGRADING entries for GH-9296 in 853181a14d by Christoph M. Becker
Prepare for PHP 8.3 in 327c95237c by Pierrick Charron
Prepare PHP 8.2.0 RC1 in 58a92772ab by Pierrick Charron
Harden GitHub Workflows security in GH-9440 by Alex
Prepare NEWS for PHP 8.2.0RC2 in 9f303cf7d3 by Pierrick Charron
Add PHP-8.2 branch to build processes in 06f713e80f by Ben Ramsey
Mark crypt()'s $string parameter as #[\SensitiveParameter] in c77bbf6fe5 by Tim Düsterhus
Add PHP-8.2 branch to build processes in 8330a0f323 by Ben Ramsey
Fix pcre.jit on Apple Silicon in GH-9279 by Niklas Keller
Store default object handlers alongside the class entry in 9e6eab3c13 by Bob Weinand
Fix compilation on MacOS in 800c6672e5 by Bob Weinand
Port all internally used classes to use default_object_handlers in 94ee4f9834 by Bob Weinand
Unify structure for ext/random's randomizer tests in GH-9410 by Tim Düsterhus
Fix class name FQN when AST dumping new and class const in GH-9462 by Ilija Tovilo 💜
Declare ext/standard constants in stubs in GH-9465, GH-9466, GH-9505, and GH-9467 by Máté Kocsis 💜
Fix GH-8932: Provide a way to get the called-scope of closures in GH-9299 by Nicolas Grekas
Add tests in db1ef97209 by Arnaud Le Blanc 💜
Fix memory leak triggered by unsuccessful dynamic property unserialization in GH-9468 by Máté Kocsis 💜
Add parentheses around preprocessor conditions in stubs in e733ebf30e by Máté Kocsis 💜
Regenerate optimizer func info after preprocessor condition changes in 5210872747 by Máté Kocsis 💜
Fix high opcache.interned_strings_buffer causing shm corruption in GH-9260 by Arnaud Le Blanc 💜
Log the cause of error when opcache cannot write to file cache in GH-9258 by Arnaud Le Blanc 💜
GH-9464: Fix build on older macOs releases in GH-9479 by David Bohman
Remove obsolete checks for random-related functionality from ext/standard/config.m4 in GH-9482 by Tim Düsterhus
posix add sysconf call in GH-9481 by David Carlier
Fix type inference in 81cb005ef7 by Dmitry Stogov
Fix inexistent skipif.inc in 59180b50b3 by Máté Kocsis 💜
Add support for validation of missing class synopses in GH-9472 by Máté Kocsis 💜
Support sapi/cli/tests/017.phpt on Windows, too in GH-9474 by Christoph M. Becker
Fix GH-9411: PgSQL large object resource is incorrectly closed in GH-9411 by Yurun
random: Validate that the arrays do not contain extra elements when unserializing in GH-9458 by Tim Düsterhus
Add “Start time”, “Last restart time” and “Last force restart time” to phpinfo() for opcache in GH-9475 by Mikhail Galanin
Use php_info_print_table_header for actual column headers only in GH-9485 by Tim Düsterhus
Update INI validator and displayers depending on INI type in GH-9451 by George Peter Banyard 💜
Update globals to use bool type in 5011a185b5 by George Peter Banyard 💜
Add zend_string INI validators in GH-9328 by George Peter Banyard 💜
intl: use uspoof_check2UTF8 call when available. in GH-9478 by David CARLIER
Upgrade PHP parser to 4.15.1 in 05aa3b3e0a by Máté Kocsis 💜
Add support for validation of missing method synopses in GH-9491 by Máté Kocsis 💜
Fix GH-9493: fix ancillary data build for FreeBSD prior to the 13 release. in GH-9496 by David CARLIER
Private method incorrectly marked as “overwrites” in reflection in GH-9469 by Ilija Tovilo 💜
Use PDEATHSIG to kill cli-server workers if parent exists in GH-9476 by Ilija Tovilo 💜
Fix lsp error in eval'd code referring to incorrect class for static type in GH-9471 by Ilija Tovilo 💜
Improve magic __get and property type inconsistency error message in GH-9436 by Ilija Tovilo 💜
Fix undefined left shift in oci in aa7f4497bf by Ilija Tovilo 💜
Skip oci tests that leak under asan in 4a8cca241f by Ilija Tovilo 💜
Fix pdeathsig test on FreeBSD in GH-9506 by Ilija Tovilo 💜
Fixed MemorySanitizer: use-of-uninitialized-value warning introduced by 932586c4 in 8cdfffb753 by Derick Rethans 💜
Don’t return existing error_container/NULL, but use by-ref instead in f799bc4eca by Derick Rethans 💜
Fixed error updating once more in 49c029858b by Derick Rethans 💜
Check return value of zend_jit_trace_get_exit_addr() in GH-9097 by Arnaud Le Blanc 💜
Fix GH-9139: Allow FFI in opcache.preload when opcache.preload_user=root in GH-9473 by Arnaud Le Blanc 💜
Validate if the refpurpose and the description is in sync in GH-9510 by Máté Kocsis 💜
Security fix #81727, (CVE-2022-31628): Don’t mangle HTTP variable names that clash with ones that have a specific semantic meaning in 0611be4e82 by Derick Rethans 💜
Security fix #81726, (CVE-2022-31629): phar wrapper: DOS when using quine gzip file in 404e8bdb68 by Christoph M. Becker
Introduce PROGRESS_CACHE_SLOT() macro in 80315edd58 by George Peter Banyard 💜
Fix GH-9516: (A&B)|D as a param should allow AB or D. Not just A in 9286101da4 by George Peter Banyard 💜
Use DNF intersection type check also for simple intersection types in c70a8281e3 by George Peter Banyard 💜
Update cache slot size calculation in compact_literals.c in 6c4d24e4f0 by George Peter Banyard 💜
Fix GH-9518: Disabling IPv6 support disables unrelated constants in GH-9520 by Christoph M. Becker
Check that all preprocessor conditions are terminated in 36fdc6fdc0 by Nikita Popov
Require PHP 7.4 at least for running the build system in GH-9519 by Máté Kocsis 💜
Use PHP 7.4 syntax in gen_stub.php in 8b632749d7 by Máté Kocsis 💜
Fix syntax error when dnf type in parens after readonly in GH-9512 by Ilija Tovilo 💜
Mark gh9259_003.phpt as xfail with ASAN in e9a0d21a06 by Ilija Tovilo 💜
Fix bug GH-9517: Compilation error in openssl extension in f126769a29 by Jakub Zelenka 💜
Fix always non-null warning in 9f9042fd43 by Nikita Popov
Reset FG(user_stream_current_filename) at the end of request in d0b3096ff0 by Dmitry Stogov
Fix ZEND_RC_MOD_CHECK() for thread local ini parser strings in 9af98cd465 by Ilija Tovilo 💜
Only check classes in intersection type if the type might be valid in GH-9522 by George Peter Banyard 💜
Update NEWS with DNF type check bug fix in 3675041d03 by George Peter Banyard 💜
Fix GH-9308 GMP throws the wrong error when a GMP object is passed to gmp_init() in GH-9490 by George Peter Banyard 💜
Fix GH-9421 Incorrect argument number for ValueError in NumberFormatter in GH-9489 by George Peter Banyard 💜
Always skip randomly failing OCI8 extauth tests in GH-9524 by Michael Voříšek
Refactor _xml_add_to_info() in 0b8ad94b91 by George Peter Banyard 💜
Mark _xml_decode_tag() as taking a const XML_Char* in 6aef13402e by George Peter Banyard 💜
Do early returns in xml.c in 951bd74038 by George Peter Banyard 💜
Fix oci_success_with_info.phpt test random failures in GH-9525 by Michael Voříšek
PHP-8.1 is now for PHP 8.1.12-dev in 0f575aa698 by Patrick Allaert
Bump for 8.0.25 in 559da529a0 by Sara Golemon
Revert “Port all internally used classes to use default_object_handlers” in a01dd9feda by Bob Weinand
Revert “Store default object handlers alongside the class entry” in 5a0b68bed7 by Bob Weinand
Revert “Fix compilation on MacOS” in d1fc0017c9 by Bob Weinand
Merge timelib 2021.17 in 4a5202293b by Derick Rethans 💜
Fixed #9165: strtotime translates a date-time with DST/non-DST hour differently based on default timezone in e5b4624b8b by Derick Rethans 💜
Add ‘const’ to match actual API in dd365b044a by Derick Rethans 💜
Fix: sockets constants in GH-9533 by Bruce Dou
Integrate timelib 2022.02 in 06d4c70e51 by Derick Rethans 💜
Use const for fixed API in f8b27c73c9 by Derick Rethans 💜
Add test case for timelib #124 in 7448ee365c by Derick Rethans 💜
Update NEWS in 0f9351669b by Derick Rethans 💜
Fix cleanup of fileinfo test in 52850a4c0f by Ilija Tovilo 💜
Improve flaky php-cli server test in 481a7eb2d4 by Ilija Tovilo 💜
Skip 64-bit specific date test on 32-bit in 2cdf7b91e5 by Ilija Tovilo 💜
Don’t throw CompileError after parsing in 7e860eaef0 by Ilija Tovilo 💜
Add clang ASAN/UBSAN push job in GH-9507 by Ilija Tovilo 💜
Skip nightly coverage job in forks in 0451eded79 by Ilija Tovilo 💜
remove LIBZIP_VERSION constant def from stub in 946cdb8ad1 by Remi Collet
zip version bump to 1.21.1 in ef4c20dea9 by Remi Collet
Fix serialization of empty SplFixedArray in 70ad93dd6e by Nikita Popov
Backport skipping of ext/date/tests/gh-124.phpt on ASAN in dbbb7427be by Ilija Tovilo 💜
Fix class link observer with file_cache_only=1 in GH-9550 by Ilija Tovilo 💜
Fix test in "DEBUG_NTS_OPCACHE Without interned strings" build in ac54bfb17c by Arnaud Le Blanc 💜
Fix test with POSIX_RLIMIT_FSIZE and gcov in 3f1e9235e1 by Ilija Tovilo 💜
Fix UB pointer arithmetics on NULL in GH-9559 by Ilija Tovilo 💜
Work around dl(mysqli) issue with OPcache on AppVeyor in GH-9557 by Christoph M. Becker
Don’t set rpath for fuzzers in 5f0cbcff3a by Nikita Popov
fileinfo: magic: Backport mime type support for woff/woff2 fonts in 34fa65a6c2 by Anatol Belski
NEWS: Add entry for GH-8805 in 54701ea3e7 by Anatol Belski
NEWS: Add entry for GH-8805 in eba3be4d38 by Anatol Belski
Fix memory leak in 8a1f7fa721 by Dmitry Stogov
Fixed warning in 33918f999d by Dmitry Stogov
Fix GH-9574: SOCKET_EPROTO constant missing since PHP 8.2 dev in GH-9575 by Christoph M. Becker
Fix SSA construction and type inference in 7496a400aa by Dmitry Stogov
Use external diff tool if TEST_PHP_DIFF_CMD env var is set in d7d6794f94 by Derick Rethans 💜
Reorder conditions to avoid valgrind “Conditional jump or move depends on uninitialised value” warning in e488f7b0eb by Dmitry Stogov
declare random globals as public API in 28a4d7676a by Remi Collet
Remove superfluous helper variable in Randomizer::getBytes() in GH-9563 by Joshua Rüsweg
Intern string values of internal classes to prevent their future interning during inheritance in 3a46f9fd1d by Dmitry Stogov
Drop dead ENABLE_TEST_CLASS check in 0b2fe40d23 by Nikita Popov
PS(mod_user_class_name) must not leak into next request in 3071d85a6b by Ilija Tovilo 💜
Indirect call reduction for Jit code in 52f4ed16e0 by wxue1
Fixed undefined macros warnings in 18cd80c327 by Patrick Allaert
Replace reallocarray with safe_perealloc in GH-9593 by Ilija Tovilo 💜
Check “ssa_op” before dereference (it may be NULL for opcache.jit=51) in 95d9e5157f by Dmitry Stogov
Use true return type for XML functions which always return true in GH-9539 by George Peter Banyard 💜
Revert “Fix parse_url(): can not recognize port without scheme” in GH-9569 by Andy Postnikov
Migrate community job to GitHub actions in e10961b27f by Ilija Tovilo 💜
Fix typo (from → form) in GH-9609 by Christoph M. Becker
Move Opcache variation job to GitHub actions in GH-9606 by Ilija Tovilo 💜
Migrate MSAN build to GitHub actions in 9377c30577 by Ilija Tovilo 💜
Enable dl-test for msan job in 6a2875bd3d by Ilija Tovilo 💜
Migrate --repeat 2 job to GitHub actions in 2cf7d70e53 by Ilija Tovilo 💜
Migrate variation job to GitHub actions in 90b437229f by Ilija Tovilo 💜
Migrate libmysqlclient job to GitHub actions in GH-9608 by Ilija Tovilo 💜
Remove symfony and laravel from PHP-8.0 community job in afcaf3bd86 by Ilija Tovilo 💜
Remove unused azure pipelines templates in a9c66f0064 by Ilija Tovilo 💜
Remove unused azure pipelines files from PHP-8.1 branch in 1265115640 by Ilija Tovilo 💜
Backport community build to PHP-8.0 branch in b655451439 by Ilija Tovilo 💜
fileinfo: tests: Disable times sensitive tests on debug build in cab2f05f5a by Anatol Belski
Add travis_wait to travis for test.sh in 8c20ad1081 by Ilija Tovilo 💜
Fix memory leak in 8258b7731b and c083efb779 by Dmitry Stogov
List skipped extensions explicitly in GH-8363 by Michael Voříšek
Fixed type inference in 94b8c2da9f by Dmitry Stogov
Set SA_ONSTACK in zend_sigaction in GH-9597 by Kévin Dunglas
Improve string class constant code generation in GH-9577 by Máté Kocsis 💜
Throw in FFI::addr() when referencing temporary pointer in GH-9601 by Ilija Tovilo 💜
Switch to sanitize CFLAGS for community build in 12afd0cba8 by Ilija Tovilo 💜
Uniform placing of init_fcall guards in ca93e48b77 by Dmitry Stogov
Add CVEs in 6f586ef90f by Derick Rethans 💜
Fix run-tests.php for explicitly given test cases in GH-9617 by Christoph M. Becker
Fix GH-9583: session_create_id() fails with user defined save handler that doesn’t have a validateId() method in 8b115254c0 by George Peter Banyard 💜
Fix regression introduced by fixing bug 81726 in GH-9620 by Christoph M. Becker
Rework FPM tests logging for better debugging in 1e8fa6607d by Jakub Zelenka 💜
Fix new bug81726.phpt for PHP 8.0 in GH-9621 by Christoph M. Becker
Fix new bug81726.phpt for PHP 8.0 in 809176dab0 by Christoph M. Becker
Wrap JIT compiler with zend_try to recover in case of memory overflow in 2568db287d by Dmitry Stogov
Fix invalid label before } in GH-9624 by Ilija Tovilo 💜
Fix PHP-8.0 skipping for some jobs in 958955e62a by Ilija Tovilo 💜
Skip some OCI tests with repeat in 93e509fd8c by Ilija Tovilo 💜
Fix PHP-8.0 skipping for community steps in 03a48b1209 and f518ae50aa by Ilija Tovilo 💜

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