Sourced from phpcompatibility/php-compatibility's releases.

10.0.0-alpha2 - 2025-11-28

IMPORTANT: This release contains breaking changes. Please read and follow the Upgrade guide in the wiki carefully before upgrading!

This release includes all improvements and bugfixes from PHPCompatibility 10.0.0-alpha1.

See all related issues and PRs in the 10.0.0-alpha2 milestone.

Added

• PHP cross-version:
  • 🌟 New PHPCompatibility.Keywords.ForbiddenClassAlias sniff. #1952
  • 🌟 New PHPCompatibility.LanguageConstructs.RemovedLanguageConstructs sniff. #1948 This sniff in its initial version will detect the PHP 8.5 deprecation of the backtick operator.
• PHP 8.3:
  • 🌟 New PHPCompatibility.ParameterValues.NewClassAliasInternalClass sniff. #1951
  • 🌟 New PHPCompatibility.Syntax.NewDynamicClassConstantFetch sniff. #1974
• PHP 8.5:
  • 🌟 New PHPCompatibility.Classes.NewStaticAvizProperties sniff. #1950
• ⭐ PHPCompatibility.Classes.NewClasses sniff: recognize the new DateTime and SQLite extension related error and exception classes as introduced in PHP 8.3. #1936, #1937
• ⭐ PHPCompatibility.Constants.NewConstants sniff: recognize various constants from the Mhash extension. #1938
• ⭐ PHPCompatibility.ParameterValues.ChangedIntToBoolParamType sniff: detect the Zlib $use_include_path parameter type change as per PHP 8.5. #1949
• ⭐ The "list based" sniffs, like NewFunctions, RemovedIniDirectives, ForbiddenNames etc, have received updates to account for new/deprecated/removed PHP classes, constants, functions, function parameters, ini directives, reserved namespaces and type casts as per PHP 8.5.
• 📚 Documentation for the following sniffs:
  • PHPCompatibility.Syntax.NewShortArray #1997

Changed

• 🔀 PHPCompatibility.TypeCasts.RemovedTypeCasts has new error codes. #1941
  • The t_unset_castDeprecatedRemoved has been changed to unsetDeprecatedRemoved.
  • The t_double_castDeprecatedRemoved has been changed to realDeprecatedRemoved.
• 📌 PHPCompatibility.Keywords.ForbiddenNames will now also detect incompatible use of the "other" reserved keywords parent and self. #1940
• 🔧 ☔ Various housekeeping, including general maintenance, improvements to speed up the sniffs, improvements to CI, the tests and documentation.

Credits

Thanks go out to @​afilina and @​okkun-sh for their contributions to this version. 👏

Sourced from phpcompatibility/php-compatibility's changelog.

[10.0.0-alpha2] - 2025-11-28

IMPORTANT: This release contains breaking changes. Please read and follow the [Upgrade guide in the wiki][wiki-upgrade-to-10.0] carefully before upgrading!

This release includes all improvements and bugfixes from PHPCompatibility [10.0.0-alpha1].

See all related issues and PRs in the [10.0.0-alpha2 milestone].

Added

• PHP cross-version:

  • 🌟 New PHPCompatibility.Keywords.ForbiddenClassAlias sniff. #1952
  • 🌟 New PHPCompatibility.LanguageConstructs.RemovedLanguageConstructs sniff. #1948 This sniff in its initial version will detect the PHP 8.5 deprecation of the backtick operator.

• PHP 8.3:

  • 🌟 New PHPCompatibility.ParameterValues.NewClassAliasInternalClass sniff. #1951
  • 🌟 New PHPCompatibility.Syntax.NewDynamicClassConstantFetch sniff. #1974

• PHP 8.5:

  • 🌟 New PHPCompatibility.Classes.NewStaticAvizProperties sniff. #1950

• ⭐ PHPCompatibility.Classes.NewClasses sniff: recognize the new DateTime and SQLite extension related error and exception classes as introduced in PHP 8.3. #1936, #1937

• ⭐ PHPCompatibility.Constants.NewConstants sniff: recognize various constants from the Mhash extension. #1938

• ⭐ PHPCompatibility.ParameterValues.ChangedIntToBoolParamType sniff: detect the Zlib $use_include_path parameter type change as per PHP 8.5. #1949

• ⭐ The "list based" sniffs, like NewFunctions, RemovedIniDirectives, ForbiddenNames etc, have received updates to account for new/deprecated/removed PHP classes, constants, functions, function parameters, ini directives, reserved namespaces and type casts as per PHP 8.5.

  #1941, #1942, #1943, #1944, #1945, #1946, #1947, #1953, #1954, #1955, #1956, #1957, #1958, #1959, #1960, #1961, #1962, #1963, #1965, #1966, #1967, #1968, #1969, #1970, #1971

... (truncated)

• e0f0e5a CHANGELOG: add release date for 10.0.0-alpha2
• cc985eb Merge pull request #2000 from PHPCompatibility/feature/changelog-10.0.0-alpha2
• 86e34fc CHANGELOG for the 10.0.0-alpha2 release
• 9d8a55f Merge pull request #1993 from PHPCompatibility/feature/composer-remove-roave-...
• 1b0bd51 Merge pull request #1984 from PHPCompatibility/feature/update-manage-labels
• 4adfa58 Merge pull request #1976 from PHPCompatibility/feature/add-pull-request-template
• 16b3310 Merge pull request #1999 from PHPCompatibility/dependabot/github_actions/acti...
• 0158f1e GH Actions: Bump actions/checkout from 5.0.0 to 6.0.0
• 23bd186 PHP 8.3 | ✨ New sniff to detect dynamic class constant fetch (#1974)
• 0de9a34 Merge pull request #1998 from PHPCompatibility/dependabot/github_actions/acti...
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