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PHPCompatibility

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PHPCompatibility
PHP Compatibility check for PHP_CodeSniffer

PHP · 2302 stars
PHPCompatibilityWP
PHPCompatibility ruleset for WordPress projects

PHP · 223 stars
PHPCompatibilitySymfony
PHPCompatibility rulesets which can be included in projects using the Symfony polyfill libraries

PHP · 8 stars

Beginner friendly Everything

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Account for changes introduced in PHP 8.6 Open

PHP: 8.6 Status: to be implemented Type: enhancement Type: meta

Difficulty 5/5 Over a week Newbie friendliness 25/100

PHPCompatibility/PHPCompatibility#2052 · Opened Aug 17, 2026
Internal interfaces assumed to be non-extendable Open

Status: invalid

Difficulty 3/5 1-2 days Newbie friendliness 65/100

PHPCompatibility/PHPCompatibility#2035 · 2 comments · Opened May 26, 2026
PHPCompatibility.FunctionNameRestrictions.RemovedPHP4StyleConstructors is no more throwable in PHP ≥ 8 Open

Type: question

Difficulty 4/5 3-5 days Newbie friendliness 48/100

PHPCompatibility/PHPCompatibility#2031 · 2 comments · Opened Mar 25, 2026
Rename the default branch from `master` to `develop` Open

chores/QA

Difficulty 2/5 1-3 hours Newbie friendliness 42/100

PHPCompatibility/PHPCompatibilityWP#92 · 1 comment · Opened Feb 10, 2026
PHP 8.3: Use exceptions by default in SQLite3 extension Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PHPCompatibility/PHPCompatibility#1994 · 1 comment · Opened Nov 14, 2025
PHP 8.3: Randomizer Additions Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

PHPCompatibility/PHPCompatibility#1992 · Opened Nov 13, 2025
PHP 8.3: Define proper semantics for range() function Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

PHPCompatibility/PHPCompatibility#1991 · 1 comment · Opened Nov 7, 2025
PHP 8.3: Saner array_(sum|product)() Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

PHPCompatibility/PHPCompatibility#1990 · 1 comment · Opened Nov 7, 2025
PHP 8.3: Readonly amendments Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PHPCompatibility/PHPCompatibility#1989 · 1 comment · Opened Nov 6, 2025
PHP 8.3: Improve unserialize() error handling Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

PHPCompatibility/PHPCompatibility#1988 · 1 comment · Opened Nov 6, 2025
PHP 8.3: Make unserialize() emit a warning for trailing bytes Open

PHP: 8.3 Status: needs investigation Status: triage Type: enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

PHPCompatibility/PHPCompatibility#1987 · 3 comments · Opened Nov 6, 2025
PHP 8.3: Arbitrary static variable initializers Open

PHP: 8.3 Status: needs investigation Type: enhancement

Difficulty 4/5 3-5 days Newbie friendliness 42/100

PHPCompatibility/PHPCompatibility#1986 · 8 comments · Opened Nov 6, 2025
PHP 8.3: ReflectionProperty::setValue() Open

PHP: 8.3 Status: triage Type: enhancement

PHPCompatibility/PHPCompatibility#1982 · 2 comments · 1 assignee · Opened Oct 31, 2025
PHP 8.3: ReflectionMethod::__construct() replacement Open

PHP: 8.3 Status: to be implemented Type: enhancement

PHPCompatibility/PHPCompatibility#1981 · 2 comments · 1 assignee · Opened Oct 31, 2025
PHP 8.3: deprecate Phar::setStub() Open

PHP: 8.3 Status: to be implemented Type: enhancement

PHPCompatibility/PHPCompatibility#1980 · 10 comments · 1 assignee · Opened Oct 31, 2025
PHP 8.3: deprecate FFI::cast(), FFI::new(), and FFI::type() Open

PHP: 8.3 Status: to be implemented Type: enhancement

PHPCompatibility/PHPCompatibility#1979 · 2 comments · 1 reaction · 1 assignee · Opened Oct 31, 2025
PHP 8.3: deprecate dba_fetch() Open

PHP: 8.3 Status: to be implemented Type: enhancement

PHPCompatibility/PHPCompatibility#1978 · 7 comments · 1 assignee · Opened Oct 31, 2025
PHP 8.3 / 8.4: DatePeriod::__construct() replacement/deprecation Open

PHP: 8.3 PHP: 8.4 Status: to be implemented Type: enhancement

PHPCompatibility/PHPCompatibility#1977 · 3 comments · 1 reaction · 1 assignee · Opened Oct 31, 2025
(Re-)enable attribute class polyfill related tests Open

chores/QA

Difficulty 4/5 3-5 days Newbie friendliness 30/100

PHPCompatibility/PHPCompatibilitySymfony#74 · Opened Oct 22, 2025
Further improve attribute detection/flagging Open

Type: enhancement

PHPCompatibility/PHPCompatibility#1935 · 5 comments · 1 assignee · Opened Oct 22, 2025
Account for changes introduced in PHP 8.5 Open

PHP: 8.5 Status: to be implemented Type: enhancement Type: meta

Difficulty 5/5 Over a week Newbie friendliness 25/100

PHPCompatibility/PHPCompatibility#1849 · 7 comments · 1 reaction · Opened Aug 9, 2025
Check if sniffs using `AbstractFunctionCallParameterSniff` are handling variable unpacking correctly Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

PHPCompatibility/PHPCompatibility#1799 · Opened Mar 7, 2025
`PHPCompatibility.Operators.RemovedTernaryAssociativity.Removed` false-positive on multiple ternaries as consecutive arguments Open

Status: confirmed Status: wait for upstream Type: bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

PHPCompatibility/PHPCompatibility#1778 · 2 comments · Opened Sep 26, 2024
Account for changes introduced in PHP 8.4 Open

PHP: 8.4 Status: to be implemented Type: enhancement Type: meta

Difficulty 5/5 Over a week Newbie friendliness 25/100

PHPCompatibility/PHPCompatibility#1731 · Opened Aug 12, 2024
[tracker] Do not flag issues in code comments - attributes pre-8.0 Open

Type: enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

PHPCompatibility/PHPCompatibility#1687 · 2 comments · Opened Mar 15, 2024
PHP 7.4: detect use of `static::$prop` for private static properties Open

Type: enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

PHPCompatibility/PHPCompatibility#1685 · Opened Mar 7, 2024
PHP 7.0: Returning by reference from magic methods, e.g. `__call()`, `__callStatic()` Open

PHP: 7.0

Difficulty 3/5 1-2 days Newbie friendliness 35/100

PHPCompatibility/PHPCompatibility#1675 · 4 comments · Opened Feb 6, 2024
PHP 7.3: constants are allowed on the left-hand-side of the instanceof operator Open

PHP: 7.3 Type: enhancement

Difficulty 3/5 1-2 days Newbie friendliness 38/100

PHPCompatibility/PHPCompatibility#1652 · 3 comments · Opened Sep 21, 2023
Account for changes introduced in PHP 8.3 Open

PHP: 8.3 Status: to be implemented Type: enhancement Type: meta

Difficulty 5/5 Over a week Newbie friendliness 18/100

PHPCompatibility/PHPCompatibility#1589 · 14 comments · 1 reaction · Opened Jul 28, 2023
PHP 8.0: `*printf()` and related functions support new specifiers Open

PHP: 8.0 Type: enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

PHPCompatibility/PHPCompatibility#1540 · Opened Apr 24, 2023
`eregDeprecated` sniff picks up method names Open

Status: duplicate

Difficulty 3/5 1-2 days Newbie friendliness 42/100

PHPCompatibility/PHPCompatibility#1492 · 2 comments · Opened Apr 13, 2023
Update links to removed PHP 5 docs Open

Status: good first issue Type: documentation

PHPCompatibility/PHPCompatibility#1456 · 2 comments · 1 assignee · Opened Dec 30, 2022
ob_implicit_flush int doesn't cause error Open

Type: question

Difficulty 3/5 1-2 days Newbie friendliness 35/100

PHPCompatibility/PHPCompatibility#1450 · 3 comments · Opened Dec 26, 2022
PHP 8.2 undocumented? behaviour change detection for strtotime Open

PHP: 8.2 Type: enhancement

Difficulty 3/5 1-2 days Newbie friendliness 42/100

PHPCompatibility/PHPCompatibility#1441 · 8 comments · Opened Dec 21, 2022
Signature change of ArrayAccess/Iterator causes a deprecation warning Open

PHP: 8.1 Type: enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

PHPCompatibility/PHPCompatibility#1411 · 3 comments · Opened Nov 17, 2022
Review codebase for use of whitelist/blacklist terminology Open

Type: chores/QA

Difficulty 4/5 3-5 days Newbie friendliness 28/100

PHPCompatibility/PHPCompatibility#1404 · 1 comment · Opened Nov 2, 2022
Account for changes introduced in PHP 8.2 Open

PHP: 8.2 Status: to be implemented Type: enhancement Type: meta

Difficulty 5/5 Over a week Newbie friendliness 25/100

PHPCompatibility/PHPCompatibility#1348 · Opened Sep 7, 2022
PHP < 7.0: cannot use isset() on the result of an expression Open

PHP: 7.0 Type: enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PHPCompatibility/PHPCompatibility#1301 · 4 comments · Opened Sep 17, 2021
[FR] Detect use of deprecated class/object methods Open

Type: enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

PHPCompatibility/PHPCompatibility#1300 · 4 comments · Opened Sep 12, 2021
Account for changes introduced in PHP 8.1 Open

PHP: 8.1 Status: to be implemented Type: enhancement Type: meta

Difficulty 5/5 Over a week Newbie friendliness 20/100

PHPCompatibility/PHPCompatibility#1299 · Opened Sep 8, 2021
Closure::fromCallable is available from PHP 7.1 Open

PHP: 7.1 Type: enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

PHPCompatibility/PHPCompatibility#1287 · Opened Apr 21, 2021
[Project] Add XML documentation for each sniff Open

Status: good first issue Type: documentation

Difficulty 5/5 Over a week Newbie friendliness 25/100

PHPCompatibility/PHPCompatibility#1285 · 1 reaction · Opened Apr 13, 2021
PHP 8.0: Review parameter names used in sniffs Open

PHP: 8.0 Status: good first issue Type: chores/QA

PHPCompatibility/PHPCompatibility#1239 · 1 comment · 1 assignee · Opened Nov 12, 2020
New Extensions Open

Type: chores/QA Type: enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

PHPCompatibility/PHPCompatibility#1023 · Opened Apr 24, 2020
Re-organize RemovedExtensions checks Open

Type: bug Type: enhancement

PHPCompatibility/PHPCompatibility#1022 · 2 comments · 1 reaction · 1 assignee · Opened Apr 24, 2020
PHP 7.3: detect regexes affected by the change-over to PCRE2 Open

PHP: 7.3 Type: enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PHPCompatibility/PHPCompatibility#965 · 1 reaction · Opened Jan 27, 2020
false positive in "each() is deprecated..." for guzzlehttp/promises Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

PHPCompatibility/PHPCompatibility#961 · 6 comments · Opened Jan 20, 2020
Request detection - "Only variables should be passed by reference" Open

Type: enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

PHPCompatibility/PHPCompatibility#840 · Opened Jul 15, 2019
Account for changes introduced in PHP 8.0 Open

PHP: 8.0 Status: to be implemented Type: enhancement Type: meta

Difficulty 5/5 Over a week Newbie friendliness 20/100

PHPCompatibility/PHPCompatibility#809 · Opened Jun 1, 2019
Account for changes introduced in PHP 7.4 Open

PHP: 7.4 Status: to be implemented Type: enhancement Type: meta

Difficulty 5/5 Over a week Newbie friendliness 20/100

PHPCompatibility/PHPCompatibility#808 · 5 comments · 1 reaction · Opened Jun 1, 2019

PHPCompatibility

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