General

'n' modifier can be replaced with non-capturing groups: Reports n PCRE modifier, that can be replaced with usage of non-capturing groups instead of capturing in regexp pattern.
Argument with name identifier: Reports arguments with name identifiers.
Argument without name identifier: Reports arguments without name identifiers.
Array index is immediately rewritten: Reports the write expressions on array indexes which are immediately overwritten before being accessed.
Class can't implement Traversable directly: Reports the classes that are implementing the Traversable interface alone, not as part of Iterator or IteratorAggregate interfaces.
Class hierarchy checks: Checks the classes' hierarchy: abstract methods implementation, the compatibility of implementing/overriding methods with their declarations in parent classes, and properties' types redeclarations.
Class static member accessed via instance: Reports references to static methods and fields via a class instance rather than the class itself.
Curly brace access syntax usage: Reports the usages of curly brace syntax for accessing array elements and string offsets.
Deprecated: Reports the usages of deprecated entities.
Deprecated '${' string interpolation: Reports ${var} and ${expr} interpolations in strings.
Deprecated 'Serializable' interface usage: Reports the usages of deprecated Serializable interface.
Deprecated '__autoload()' function declaration: Reports the __autoload() function declarations.
Deprecated 'assert()' function declaration: Reports the assert() function declarations.
Deprecated 'implode/join' usage: Reports deprecated usage of the implode and join functions.
Deprecated Standard Library call: Reports the calls to Standard PHP Library functions that are deprecated starting from PHP 8.1.
Deprecated cast: Reports deprecated cast expressions: (unset) cast expressions, which are deprecated in PHP 7.2 and later.
Deprecated partially supported callables: Reports deprecated usage of callables that are supported by call_user_func($callable), but not by $callable().
Disabled extension stubs: Reports the usages of classes, functions, and constants, for which the stubs for the corresponding PHP interpreter extensions are disabled.
Doctrine annotation can be replaced with attribute: Suggests replacing Doctrine annotations with attributes.
Dynamic method called as static: Reports static calls to dynamic class methods.
Element is not available in configured PHP version: Reports the usages of entities which were introduced in PHP version later than configured one.
Ignored class alias declaration: Reports the class alias declarations that are ignored by the IDE because the actual class declaration with the same FQN exists.
Incorrect magic method signature: Reports incompatible magic methods signatures.
Invalid magic method modifiers: Reports the magic methods that are not declared as public or are declared as static.
Language level: Reports the language features used in source code that are not supported for the selected language level.
Member reference chain is too long to analyze: Reports method reference chains that are too long for IDE to analyze.
Method declaration in parent class is incompatible with implemented interface: Reports the methods declarations in parent classes that are incompatible with implemented interfaces.
Named argument may be unresolved: Reports the named arguments in method calls that might be unresolved depending on a specific class instance within the hierarchy.
Nested ternary operator usage: Reports nested ternary expressions, which are deprecated starting from PHP 7.4.
Overriding method/extending class marked as '@final': Reports override of method or extending of class with @final in the PHPDoc.
Parameter's name changed during inheritance: Reports the methods' parameters whose names differ from the same parameters defined in parent methods.
Promoted property usage: Reports properties declared through promoted constructor parameters.
Property can be 'readonly': Reports the private promoted properties that are never written to.
Property can be promoted: Reports the properties that can be replaced with promoted versions.
Property is immediately rewritten: Reports the write expressions on properties which are immediately overwritten before being accessed.
Second write to 'readonly' property: Reports reassignments of readonly properties.
Static method called as dynamic: Reports dynamic calls to static class methods.
Symfony annotation can be replaced with attribute: Suggests replacing Symfony annotations with attributes.
Unpacking arrays with string keys is forbidden for PHP < 8.1: Reports array unpacking with string keys in PHP < 8.1 See Array unpacking with string keys for details.
Unresolved include: Reports non-resolved include, include_once, require, and require_once expressions.
Usage of internal entity: Reports the usages of the entities that are marked as @internal and are located in different source roots.
Write access to 'readonly' property outside of declaration scope: Reports the write accesses to readonly properties that are made outside the declaration scope.

Last modified: 18 June 2024