This is just an issue to keep track of which of the implemented RFCs for PHP 8.5 have been addressed.

This list should be updated when additional RFCs are accepted/implemented.

To Do

• Clone with v2
• Support Closures in constant expressions
• First Class Callables in constant expressions
• Error backtraces v2
  Review notes (@jrfnl): the added ini setting is handled (PR ??), however, I believe we can and should add an additional sniff too.
  This sniff would need to look for calls to register_shutdown_function() and if possible (function in same file, closure), find the registered function and examine whether that function calls error_get_last() in the function body and if so, flag that function call as the result of error_get_last() in a shutdown function may now contain a backtrace, so any code examining the return value array of error_get_last() may need updating.
• Change Directory class to behave like a resource object
• Cookies Having Independent Partitioned State (CHIPS)
  Review notes (@jrfnl): would probably be worth addressing together with PHP 7.3: detect same-site cookie / changes to session function signatures #726, which is a similar change in PHP 7.3.
• Add RFC3986 and WHATWG URL compliant API
• Deprecations for PHP 8.4 [Mostly implemented in PHP 8.4]
  Sublist:
  • Deprecate producing output in a user output handler
• Warnings for PHP 8.5
  Note: these may not all be fully implemented yet! PRs to detect the deprecation will only be accepted after the deprecation has been merged into PHP Core.
  Sublist:
  • Coercing NAN to other types - PR - commit
  • Casting out of range floats to int - PR - commit
  • Destructuring non-array values - PR - commit
• Deprecations for PHP 8.5
  Note: these may not all be fully implemented yet! PRs to detect the deprecation will only be accepted after the deprecation has been merged into PHP Core.
  Sublist:
  • Language/syntax deprecations
    • Deprecate the __sleep() and __wakeup() magic methods - __wakeup PR, __sleep PR (superseded)
    • Deprecate using values null as an array offset and when calling array_key_exists() - PR - commit
    • Deprecate constant redeclaration - PR - commit
    • Deprecate Closure binding issues - PR - commit
    • Enact follow-up phase of the “Path to Saner Increment/Decrement operators” RFC - PR - commit
  • ext/reflection deprecations
    • Deprecate Reflection*::setAccessible() - PR - commit
    • Deprecate ReflectionClass::getConstant() for missing constants - PR - commit
    • Deprecate ReflectionProperty::getDefaultValue() for properties without default values - PR - commit
  • ext/spl deprecations
    • Deprecate ArrayObject and ArrayIterator with objects - PR - commit
    • Deprecate SplObjectStorage::contains(), SplObjectStorage::attach(), and SplObjectStorage::detach() - PR - commit
    • Deprecate passing spl_autoload_call() to spl_autoload_unregister() - PR - commit
  • ext/standard deprecations
    • Deprecate passing null to readdir(), rewinddir(), and closedir() - PR - commit
    • Deprecate passing string which are not one byte long to ord() - PR - commit
    • Deprecate passing integers outside the interval [0, 255] to chr() - PR - commit
  • ext/odbc deprecations
    • Remove flags for building against specific drivers directly - PR - commit
    • Remove support for older ODBC versions - PR - commit
  • ext/pdo deprecations
    • Deprecate PDO's 'uri:' scheme - PR - commit
    • Deprecate driver specific PDO constants and methods - methods PR, constants PR
    • Deprecate Pdo\Pgsql constants related to statement transaction state - PR 1, PR 2
  • Deprecate building ext/ldap against Oracle LDAP - PR - commit

Aside from the RFCs, there are also the changes which were made outside of the RFC process and are listed in:

• The PHP 8.5 Upgrading guide.
• The PHP 8.4 to 8.5 Migration guide (once available)
• PHP 8.5 NEWS/Changelog
• Changelog

Claimed

• Soft-Deprecate __sleep() and __wakeup()
  Replaces Deprecate the __sleep() and __wakeup() magic methods from the "Deprecations for 8.5' RFC.
  Status: WIP
  Owner: @afilina
• #[\Deprecated] for traits - PR - commit
  Status: Todo - needs a good think about how we should handle attributes which can only be applied to specific type of constructs and not all constructs attributes can be applied to. Also see Further improve attribute detection/flagging #1935
  Owner: @jrfnl
• #[\DelayedTargetValidation] attribute
  Status: TODO / needs a good think, see Further improve attribute detection/flagging #1935
  Owner: @jrfnl
• Final Property Promotion
  Status: WIP
  Owner: @jrfnl
• Pipe operator
  Status: Needs tokenizer support in PHPCS
  Owner: @jrfnl
• Attributes on Constants
  Status: Needs PHPCSUtils 1.2.0
  Owner: @jrfnl
• Marking return values as important (#[\NoDiscard])
  Status: TODO / needs a good think, see Further improve attribute detection/flagging #1935
  Owner: @jrfnl
• Extend #[\Override] to target properties
  Status: TODO / needs a good think, see Further improve attribute detection/flagging #1935
  Owner: @jrfnl
• Deprecations for PHP 8.5
  Sublist:
  • Language/syntax deprecations
    • Deprecate __debugInfo() returning null - PR - commit
      Status: WIP
      Owner: @jrfnl
  • ext/standard deprecations
    • Deprecate the $http_response_header predefined variable - PR - commit
      Status: WIP
      Owner: @jrfnl

Additionally, an initial scan of UPGRADING file for additional list-based updates to be made is ongoing and owned by @jrfnl.

Has PR

• Add locale for case insensitive grapheme functions - PR PHP 8.5 | NewFunctionParameters: detect use of grapheme_*() $locale (RFC) #1947
• FILTER_THROW_ON_FAILURE - PR PHP 8.5 | NewConstants/Classes: handle FILTER_THROW_ON_FAILURE addition (RFC) #1953
• Grapheme cluster for levenshtein, grapheme_levenshtein function - PR PHP 8.5 | NewFunctions: detect new grapheme_levenshtein() function (RFC) #1967
• Asymmetric Visibility for Static Properties - PR PHP 8.5 | ✨ New PHPCompatibility.Classes.NewStaticAvizProperties sniff (RFC) #1950
• Add get_error_handler(), get_exception_handler() functions - PR PHP 8.5 | NewFunctions: detect new error handler functions (RFC) #1969
• Persistent curl share handle improvement - PR PHP 8.5 | NewClasses/Functions: handle curl_share_init_persistent() addition (RFC) #1962
• Error backtraces v2 - PR PHP 8.5 | NewIniDirectives: detect new fatal_error_backtraces ini directive (RFC) #1946
  Also see review notes in "To Do" section.
• array_first() and array_last() - PR PHP 8.5 | NewFunctions: detect new array functions (RFC) #1970
• Deprecations for PHP 8.5
  Sublist:
  • Language/syntax deprecations
    • Deprecate semicolon after case in switch statement - PR - commit - PR PHP 8.5 | ✨ New PHPCompatibility.ControlStructures.RemovedTerminatingCaseWithSemicolon sniff (RFC) #2014
    • Deprecate non-standard cast names - PR - commit - PR PHP 8.5 | TypeCasts/RemovedTypeCasts: detect newly deprecated type casts (RFC) #1941
    • Deprecate backticks ` as an alias for shell_exec - PR - commit - PR ✨ New PHPCompatibility.LanguageConstructs.RemovedLanguageConstructs sniff (RFC) #1948
  • Core INI directive deprecations
    • Deprecate the report_memleaks INI directive - PR - commit - PR PHP 8.5 | RemovedIniDirectives: detect use of report_memleaks (RFC) #1942
    • Deprecate the register_argc_argv INI directive - PR - commit - PR PHP 8.5 | RemovedIniDirectives: detect use of register_argc_argv (RFC) #1954
    • Remove the disable_classes INI setting - PR - commit - PR PHP 8.5 | RemovedIniDirectives: detect use of disable_classes (RFC) #1959
  • ext/standard deprecations
    • Deprecate the $exclude_disabled parameter of get_defined_functions() - PR - commit - PR PHP 8.5 | RemovedFunctionParameters: detect use of get_defined_functions() $exclude_disabled (RFC) #1944
    • Formally deprecate socket_set_timeout() - PR - commit - PR PHP 8.5 | RemovedFunctions: detect use of socket_set_timeout() (RFC) #1943
  • Deprecate no-op functions from the resource to object conversion
    • Deprecate finfo_close() - PR - commit - PR PHP 8.5 | RemovedFunctions: detect use of deprecated no-op functions (RFC) #1955
    • Deprecate xml_parser_free() - PR - commit - PR PHP 8.5 | RemovedFunctions: detect use of deprecated no-op functions (RFC) #1955
    • Deprecate curl_close() - PR - commit - PR PHP 8.5 | RemovedFunctions: detect use of deprecated no-op functions (RFC) #1955
    • Deprecate curl_share_close() - PR - commit - PR PHP 8.5 | RemovedFunctions: detect use of deprecated no-op functions (RFC) #1955
    • Deprecate imagedestroy() - PR - commit - PR PHP 8.5 | RemovedFunctions: detect use of deprecated no-op functions (RFC) #1955
  • Deprecate key_length parameter of openssl_pkey_derive() - PR - commit - PR PHP 8.5 | RemovedFunctionParameters: detect use of openssl_pkey_derive() $key_length (RFC) #1956
  • Deprecate intl.error_level INI setting - PR - commit - PR PHP 8.5 | RemovedIniDirectives: detect use of intl.error_level (RFC) #1965
  • Formally deprecate mysqli_execute() - PR - commit - PR PHP 8.5 | RemovedFunctions: detect use of mysqli_execute() (RFC) #1960
  • Deprecate the $context parameter for finfo_buffer() - PR - commit - PR PHP 8.5 | RemovedFunctionParameters: detect use of finfo_buffer() $context (RFC) #1961
  • Deprecate DATE_RFC7231 and DateTimeInterface::RFC7231 - PR - commit - PR PHP 8.5 | RemovedConstants: detect use of DATE_RFC7231 (RFC) #1945

Reviewed and concluded non-sniffable

• Make OPcache a non-optional part of PHP
  Reviewed by @jrfnl and concluded there is nothing sniffable about the RFC.
• Deprecations for PHP 8.5
  • Language/syntax deprecations
    • Deprecate attributes applying to multiple class properties/constants RFC rejected
  • ext/reflection deprecations
    • Deprecate ReflectionParameter::allowsNull() RFC rejected
  • ext/standard deprecations
    • Deprecate non-canonical type names for settype() RFC rejected
  • ext/filter deprecations
    • Deprecate FILTER_DEFAULT constant RFC rejected
    • Make $filter parameter mandatory for filter_*() functions RFC rejected
  • ext/pdo deprecations
    • Deprecate PDO::ERRMODE_WARNING error mode RFC rejected
• Warnings for PHP 8.5 (Voting started 2025-07-29, ends 2025-08-12)
  • Using offsets on non-container values in isset()/empty() RFC rejected
  • Using invalid offset types when checking string offsets with isset()/empty() RFC rejected

Delayed to later PHP version

Nothing

Status yet to be determined

These are RFCs which have either not yet been implemented or are still in voting at this time.
Once their final status for PHP 8.5 is determined, they will either be moved to the "To Do" list or removed from this ticket.

Accepted, not yet (fully) implemented

Feature freeze is in effect. Anything which didn't make it in yet, is delayed to a future PHP version.

In voting

All votes have been closed

Process

If anyone starts work on updating PHPCompatibility to handle any of these issues, please either update the above list (if you can) or leave a comment below, so one of the maintainers can update the list.

Once PHP 8.5 comes out, individual issues should be opened for the changes which remain at that point in time.

Guidelines

• When in doubt how to address something and/or if your approach is the right one: ask.
  This also means that it is perfectly acceptable to open an dedicated issue to discuss a particular change in more detail.
• PRs which address RFCs should only contain the changes for one RFC per PR. One RFC may warrant multiple PRs depending on the nature of the changes.
  Exception: when a RFC builds onto a previous RFC, combining the necessary changes into one PR addressing the cumulative changes to PHP is fine.
• PRs not directly related to RFCs may address multiple changes in one go, as long as the changes are logically closely related (like adding a range of new constants to be detected).
• Please include relevant change justification and links in each commit message.
  Typically this means that a commit message should include:
  • Text snippet from the PHP UPGRADING guide/changelog/migration guide or the RFC to back up the change being made.
  • A link to the RFC (if applicable).
  • A link to the exact UPGRADING guide/changelog/migration guide section which documents the change in PHP Core.
  • A link to the PR to PHP Core which proposed the change (if applicable).
  • A link to the commit which added the change to PHP Core.
• Changes which were proposed/accepted for PHP, but have not been merged into PHP Core yet, should not be detected by PHPCompatibility (yet).
  The commit to PHP Core should always come first, PHPCompatibility follows.