The following insights are organised in different metrics :

  • NunoMaduro\PhpInsights\Domain\Metrics\Code\Classes Code\Classes
  • NunoMaduro\PhpInsights\Domain\Metrics\Code\Code Code\Code
  • NunoMaduro\PhpInsights\Domain\Metrics\Code\Comments Code\Comments
  • NunoMaduro\PhpInsights\Domain\Metrics\Code\Functions Code\Functions
  • NunoMaduro\PhpInsights\Domain\Metrics\Code\Globally Code\Globally

Forbidden public property ^1.0 Code\Classes

This sniff disallows public properties.

Insight Class: ObjectCalisthenics\Sniffs\Classes\ForbiddenPublicPropertySniff

Unused private elements ^1.0 Code\Classes

This sniff detects unused private elements

Insight Class: SlevomatCodingStandard\Sniffs\Classes\UnusedPrivateElementsSniff

Forbidden setter ^1.0 Code\Classes

This sniff disallows setter methods.

Insight Class: NunoMaduro\PhpInsights\Domain\Sniffs\ForbiddenSetterSniff

Unnecessary Final modifier ^1.0 Code\Classes

This sniff detects unnecessary final modifiers inside of final classes.

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\CodeAnalysis\UnnecessaryFinalModifierSniff

Property declaration ^1.0 Code\Classes

This sniff verifies that properties are declared correctly.

Insight Class: PHP_CodeSniffer\Standards\PSR2\Sniffs\Classes\PropertyDeclarationSniff

Class constant visibility ^1.0 Code\Classes

This sniff requires declaring visibility for all class constants.

Insight Class: SlevomatCodingStandard\Sniffs\Classes\ClassConstantVisibilitySniff

Disallow Late static Binding for constants ^1.0 Code\Classes

This sniff disallows late static binding for constants.

Insight Class: SlevomatCodingStandard\Sniffs\Classes\DisallowLateStaticBindingForConstantsSniff

Modern ClassName reference ^1.0 Code\Classes

This sniff reports use of __CLASS__, get_parent_class(), get_called_class(), get_class() and get_class($this). Class names should be referenced via ::class constant when possible.

Insight Class: SlevomatCodingStandard\Sniffs\Classes\ModernClassNameReferenceSniff

Useless Late Static Binding ^1.0 Code\Classes

This sniff reports useless late static binding.

Insight Class: SlevomatCodingStandard\Sniffs\Classes\UselessLateStaticBindingSniff

Protected to private ^1.10 Code\Classes

This fixer converts protected variables and methods to private where possible.

Insight Class: PhpCsFixer\Fixer\ClassNotation\ProtectedToPrivateFixer

Unused variable ^1.0 Code\Code

This sniff detects unused variables.

Insight Class: SlevomatCodingStandard\Sniffs\Variables\UnusedVariableSniff

Code Analyzer ^1.0 Code\Code

This sniff runs the Zend Code Analyzer (from Zend Studio) on files.

Insight Class: PHP_CodeSniffer\Standards\Zend\Sniffs\Debug\CodeAnalyzerSniff

Switch declaration ^1.0 Code\Code

This sniff ensures all switch statements are defined correctly.

Insight Class: PHP_CodeSniffer\Standards\PSR2\Sniffs\ControlStructures\SwitchDeclarationSniff

Language Construct spacing ^1.0 Code\Code

This sniff ensures all language constructs contain a single space between themselves and their content

Insight Class: PHP_CodeSniffer\Standards\Squiz\Sniffs\WhiteSpace\LanguageConstructSpacingSniff

Element name minimal length ^1.0 Code\Code configurable

Insight Class: ObjectCalisthenics\Sniffs\NamingConventions\ElementNameMinimalLengthSniff

\ObjectCalisthenics\Sniffs\NamingConventions\ElementNameMinimalLengthSniff::class => [
    'minLength' => 3,
    'allowedShortNames' => ['i', 'id', 'to', 'up'],

Max nesting level ^1.0 Code\Code configurable

Insight Class: ObjectCalisthenics\Sniffs\Metrics\MaxNestingLevelSniff

\ObjectCalisthenics\Sniffs\Metrics\MaxNestingLevelSniff::class => [
    'maxNestingLevel' => 2,

Useless Variable ^1.0 Code\Code

Insight Class: SlevomatCodingStandard\Sniffs\Variables\UselessVariableSniff

Eval ^1.0 Code\Code

This sniff detects usage of the eval() function.

Insight Class: PHP_CodeSniffer\Standards\Squiz\Sniffs\PHP\EvalSniff

Array indent ^1.0 Code\Code configurable

This sniff ensures arrays are correctly indented

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\Arrays\ArrayIndentSniff

\PHP_CodeSniffer\Standards\Generic\Sniffs\Arrays\ArrayIndentSniff::class => [
    'indent' => 4,

Empty PHP statement ^1.0 Code\Code

Checks against empty PHP statements.

  • Checks against two semi-colons with no executable code in between.
  • Checks against an empty PHP open - close tag combination.

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\CodeAnalysis\EmptyPHPStatementSniff

Empty Statement ^1.0 Code\Code

This sniff detects empty statement.

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\CodeAnalysis\EmptyStatementSniff

For loop should be While loop ^1.0 Code\Code

This sniff detects for-loops that can be simplified to a while-loop

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\CodeAnalysis\ForLoopShouldBeWhileLoopSniff

For loop with test function call ^1.0 Code\Code

This sniff detects for-loops that use a function call in the test expression.

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\CodeAnalysis\ForLoopWithTestFunctionCallSniff

Jumbled Incrementer ^1.0 Code\Code

This sniff detects the usage of one and the same incrementer into an outer and an inner loop. Even it is intended this is confusing code.

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\CodeAnalysis\JumbledIncrementerSniff

Unconditional If statement ^1.0 Code\Code

This sniff detects statement conditions that are only set to one of the constant values true or false

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\CodeAnalysis\UnconditionalIfStatementSniff

Useless Overriding Method ^1.0 Code\Code

This sniff detects the use of methods that only call their parent classes's method with the same name and arguments. These methods are not required.

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\CodeAnalysis\UselessOverridingMethodSniff

Inline control structure ^1.0 Code\Code

This sniff verifies that inline control statements are not present.

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\ControlStructures\InlineControlStructureSniff

Disallow multiple statements ^1.0 Code\Code

This sniff ensures each statement is on a line by itself.

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\Formatting\DisallowMultipleStatementsSniff

Backtick Operator ^1.0 Code\Code

This sniff disallows the use of the backtick execution operator.

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\PHP\BacktickOperatorSniff

Discourage GOTO ^1.0 Code\Code

This sniff discourages the use of the PHP goto language construct.

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\PHP\DiscourageGotoSniff

No silenced errors ^1.0 Code\Code

This sniff detects when any code prefixed with an asperand is encountered.

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\PHP\NoSilencedErrorsSniff

Unnecessary string concat ^1.0 Code\Code

This sniff checks that two strings are not concatenated together; suggests using one string instead.

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\Strings\UnnecessaryStringConcatSniff

Short form type keywords ^1.0 Code\Code

This sniff verifies that the short form of type keywords is used (e.g., int, bool).

Insight Class: PHP_CodeSniffer\Standards\PSR12\Sniffs\Keywords\ShortFormTypeKeywordsSniff

Disallow implicit array creation ^1.0 Code\Code

This sniff disallows implicit array creation.

Insight Class: SlevomatCodingStandard\Sniffs\Arrays\DisallowImplicitArrayCreationSniff

Assignment in condition ^1.0 Code\Code

This sniff disallows assignments in conditions.

Insight Class: SlevomatCodingStandard\Sniffs\ControlStructures\AssignmentInConditionSniff

Disallow continue without integer operand in switch ^1.0 Code\Code

This sniff disallows the use of continue without an integer operand in a switch because it emits a warning in PHP 7.3 and higher.

Insight Class: SlevomatCodingStandard\Sniffs\ControlStructures\DisallowContinueWithoutIntegerOperandInSwitchSniff

Disallow empty ^1.0 Code\Code

This sniff disallows use of empty().

Insight Class: SlevomatCodingStandard\Sniffs\ControlStructures\DisallowEmptySniff

Disallow short ternary operator ^1.0 Code\Code

This sniff disallows the short ternary operator ?:.

Insight Class: SlevomatCodingStandard\Sniffs\ControlStructures\DisallowShortTernaryOperatorSniff

Disallow Yoda Comparison ^1.0 Code\Code

Yoda conditions decrease code comprehensibility and readability by switching operands around comparison operators forcing the reader to read the code in an unnatural way.

Insight Class: SlevomatCodingStandard\Sniffs\ControlStructures\DisallowYodaComparisonSniff

Require Yoda Comparison ^1.0 not enabled

This sniff enforces yoda comparison usage.

Insight Class: SlevomatCodingStandard\Sniffs\ControlStructures\RequireYodaComparisonSniff

Language Construct With Parentheses ^1.0 Code\Code

Insight Class: SlevomatCodingStandard\Sniffs\ControlStructures\LanguageConstructWithParenthesesSniff

Dead catch ^1.0 Code\Code

This sniff finds unreachable catch blocks.

Insight Class: SlevomatCodingStandard\Sniffs\Exceptions\DeadCatchSniff

try {
} catch (\Throwable $e) {
} catch (\InvalidArgumentException $e) {
    // unreachable!

Unused Inherited variable passed to closure ^1.0 Code\Code Code\Functions

This sniff looks for unused inherited variables passed to closures via use.

Insight Class: SlevomatCodingStandard\Sniffs\Functions\UnusedInheritedVariablePassedToClosureSniff

Useless Parameter default value ^1.0 Code\Code

This sniff looks for useless parameter default value.

Insight Class: SlevomatCodingStandard\Sniffs\Functions\UselessParameterDefaultValueSniff

Use from same namespace ^1.0 Code\Code

This sniff prohibits uses from the same namespace.

Insight Class: SlevomatCodingStandard\Sniffs\Namespaces\UseFromSameNamespaceSniff

Useless Alias ^1.0 Code\Code

This sniff looks for use alias that is the same as the unqualified name.

Insight Class: SlevomatCodingStandard\Sniffs\Namespaces\UselessAliasSniff

Disallow equal operators ^1.0 Code\Code

This sniff disallows using loose == and != comparison operators. Use === and !== instead, they are much more secure and predictable.

Insight Class: SlevomatCodingStandard\Sniffs\Operators\DisallowEqualOperatorsSniff

Require combined assignment operator ^1.0 Code\Code

This sniff requires using combined assignment operators, eg +=, .= etc.

Insight Class: SlevomatCodingStandard\Sniffs\Operators\RequireCombinedAssignmentOperatorSniff

Require only standalone increment and decrement operators ^1.0 Code\Code

This sniff reports ++ and -- operators not used standalone.

Insight Class: SlevomatCodingStandard\Sniffs\Operators\RequireOnlyStandaloneIncrementAndDecrementOperatorsSniff

Optimized functions without unpacking ^1.0 Code\Code

PHP optimizes some internal functions into special opcodes on VM level. Such optimization results in much faster execution compared to calling standard function. This only works when these functions are not invoked with argument unpacking (...).

The list of these functions varies across PHP versions, but is the same as functions that must be referenced by their global name (either by \ prefix or using use function), not a fallback name inside namespaced code.

Insight Class: SlevomatCodingStandard\Sniffs\PHP\OptimizedFunctionsWithoutUnpackingSniff

Type cast ^1.0 Code\Code

This sniff enforces using shorthand cast operators, forbids use of unset and binary cast operators.

Insight Class: SlevomatCodingStandard\Sniffs\PHP\TypeCastSniff

Useless parentheses ^1.0 Code\Code

This sniff looks for useless parentheses.

Insight Class: SlevomatCodingStandard\Sniffs\PHP\UselessParenthesesSniff

Useless semicolon ^1.0 Code\Code

This sniff looks for useless semicolons.

Insight Class: SlevomatCodingStandard\Sniffs\PHP\UselessSemicolonSniff

Declare strict types ^1.0 Code\Code

This sniff enforces having declare(strict_types = 1) at the top of each PHP file.

Insight Class: SlevomatCodingStandard\Sniffs\TypeHints\DeclareStrictTypesSniff

Duplicate assignment to variable ^1.0 Code\Code

This sniff looks for duplicate assignments to a variable.

Insight Class: SlevomatCodingStandard\Sniffs\Variables\DuplicateAssignmentToVariableSniff

Nullable type for null default value ^1.0 Code\Comments

This sniff checks whether the nullability ? symbol is present before each nullable and optional parameter (which are marked as = null)

Insight Class: SlevomatCodingStandard\Sniffs\TypeHints\NullableTypeForNullDefaultValueSniff

function foo(
    int $foo = null, // ? missing
    ?int $bar = null // correct
) {
    // ...

Void return ^1.10 Architecture\Functions

This fixer adds a void return type to functions with missing or empty return statements, but priority is given to @return annotations.

Insight Class: PhpCsFixer\Fixer\FunctionNotation\VoidReturnFixer

Fixme ^1.0 Code\Comments

This sniff warns about FIXME comments.

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\Commenting\FixmeSniff

Todo ^1.0 Code\Comments

This sniff warns about TODO comments.

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\Commenting\TodoSniff

Forbidden comments ^1.0 Code\Comments configurable

This sniff reports forbidden comments in descriptions. Nothing is forbidden by default, the configuration is completely up to the user. It's recommended to forbid generated or inappropriate messages like:

  • Constructor.
  • Created by PhpStorm.

Insight Class: SlevomatCodingStandard\Sniffs\Commenting\ForbiddenCommentsSniff

SlevomatCodingStandard\Sniffs\Commenting\ForbiddenCommentsSniff::class => [
    'forbiddenCommentPatterns' => []

Inline doc comment declaration ^1.0 Code\Comments

This sniff reports invalid inline phpDocs with @var.

Insight Class: SlevomatCodingStandard\Sniffs\Commenting\InlineDocCommentDeclarationSniff

Useless Function doc comment ^1.12 Code\Comments

This sniff disallows useless doc comments. If the native method declaration contains everything and the phpDoc does not add anything useful, it's reported as useless.

Some type hints can be enforced to be specified with a contained type, with traversableTypeHints. See the official explanation

Insight Class: SlevomatCodingStandard\Sniffs\Commenting\UselessFunctionDocCommentSniff

SlevomatCodingStandard\Sniffs\Commenting\UselessFunctionDocCommentSniff::class => [
    'traversableTypeHints' => []

Disallow Array type hint syntax ^1.0 Code\Comments

This sniff disallows usage of array type hint syntax (eg. int[], bool[][]) in phpDocs in favour of generic type hint syntax (eg. array<int>, array<array<bool>>).

Insight Class: SlevomatCodingStandard\Sniffs\TypeHints\DisallowArrayTypeHintSyntaxSniff

Disallow mixed type hint ^1.0 Code\Comments

This sniff disallows usage of the "mixed" type hint in phpDocs.

Insight Class: SlevomatCodingStandard\Sniffs\TypeHints\DisallowMixedTypeHintSniff

Long type hints ^1.0 Code\Comments

This sniff enforces using shorthand scalar type hint variants in phpDocs: int instead of integer and bool instead of boolean. This is for consistency with native scalar type hints which also allow shorthand variants only.

Insight Class: SlevomatCodingStandard\Sniffs\TypeHints\LongTypeHintsSniff

Null type hint on last position ^1.0 Code\Comments

This sniff enforces null type hint on last position in annotations.

Insight Class: SlevomatCodingStandard\Sniffs\TypeHints\NullTypeHintOnLastPositionSniff

Type hint declaration >=1.0 <1.12 Code\Comments

See the official explanation

Insight Class: SlevomatCodingStandard\Sniffs\TypeHints\TypeHintDeclarationSniff

Parameter Type hint ^1.12 Code\Comments

See the official explanation

Insight Class: SlevomatCodingStandard\Sniffs\TypeHints\ParameterTypeHintSniff

Property Type hint ^1.12 Code\Comments

See the official explanation

Insight Class: SlevomatCodingStandard\Sniffs\TypeHints\PropertyTypeHintSniff

Return Type hint ^1.12 Code\Comments

See the official explanation

Insight Class: SlevomatCodingStandard\Sniffs\TypeHints\ReturnTypeHintSniff

Useless constant type hint ^1.0 Code\Comments

This sniff reports useless @var annotation (or whole documentation comment) for constants because the type of the constant is always clear.

Insight Class: SlevomatCodingStandard\Sniffs\TypeHints\UselessConstantTypeHintSniff

Useless Inherit doc comment ^1.0 Code\Comments

This sniff reports documentation comments containing only {@inheritDoc} annotation because inheritance is automatic and it's not needed to use a special annotation for it.

Insight Class: SlevomatCodingStandard\Sniffs\Commenting\UselessInheritDocCommentSniff

Unused parameter ^1.0 Code\Functions

This sniff looks for unused parameters.

Insight Class: SlevomatCodingStandard\Sniffs\Functions\UnusedParameterSniff

Call time pass by reference ^1.0 Code\Functions

This sniff ensures that variables are not passed by reference when calling a function.

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\Functions\CallTimePassByReferenceSniff

Deprecated functions ^1.0 Code\Functions

This sniff discourages the use of deprecated PHP functions.

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\PHP\DeprecatedFunctionsSniff

Nullable type declaration ^1.0 Code\Functions

This sniff verifies that nullable type hints are lacking superfluous whitespace (e.g. ?int).

Insight Class: PHP_CodeSniffer\Standards\PSR12\Sniffs\Functions\NullableTypeDeclarationSniff

Static closure ^1.0 Code\Functions

This sniff reports closures not using $this that are not declared static.

Insight Class: SlevomatCodingStandard\Sniffs\Functions\StaticClosureSniff

Forbidden define functions ^1.0 Code\Functions

This insight disallows define functions.

Insight Class: NunoMaduro\PhpInsights\Domain\Insights\ForbiddenDefineFunctions

Forbidden functions ^1.0 Code\Functions

This sniff discourages the use of alias functions.

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\PHP\ForbiddenFunctionsSniff

Global Keyword ^1.0 Code\Globally

This sniff disallow usage of global.

Insight Class: PHP_CodeSniffer\Standards\Squiz\Sniffs\PHP\GlobalKeywordSniff

Forbidden Globals ^1.0 Code\Globally

This sniff detects globals accesses.

Insight Class: NunoMaduro\PhpInsights\Domain\Insights\ForbiddenGlobals

Visibility Required ^1.10 Code\Classes configurable

Visibility must be declared on all properties and methods. abstract and final must be declared before the visibility. static must be declared after the visibility.

Insight Class: PhpCsFixer\Fixer\ClassNotation\VisibilityRequiredFixer

\PhpCsFixer\Fixer\ClassNotation\VisibilityRequiredFixer::class => [
    'elements' => [

Ternary to Null Coalescing ^1.10 Code\Code

This fixer enforces using the null coalescing operator ?? where possible.

Insight Class: PhpCsFixer\Fixer\Operator\TernaryToNullCoalescingFixer

Combine nested dirname ^1.10 Code\Code

This fixer replaces multiple nested calls of dirname with only one call with second $level parameter.

Insight Class: PhpCsFixer\Fixer\FunctionNotation\CombineNestedDirnameFixer

Declare Equal normalize ^1.10 Code\Code configurable

This fixer normalizes space around the equal sign in declare section.

Insight Class: PhpCsFixer\Fixer\LanguageConstruct\DeclareEqualNormalizeFixer

\PhpCsFixer\Fixer\LanguageConstruct\DeclareEqualNormalizeFixer::class => [
    'space' => 'none', // possible values ['none', 'single']

Explicit string variable ^1.10 Code\Code

This fixer converts implicit variables into explicit ones in double-quoted strings or heredoc syntax.

Insight Class: PhpCsFixer\Fixer\StringNotation\ExplicitStringVariableFixer

New with braces ^1.10 Code\Code

This fixer asserts all instances created with new keyword must be followed by braces.

Insight Class: PhpCsFixer\Fixer\Operator\NewWithBracesFixer

No alternative syntax ^1.10 Code\Code

This fixer replaces control structure alternative syntax to use braces.

Insight Class: PhpCsFixer\Fixer\ControlStructure\NoAlternativeSyntaxFixer

No mixed echo print ^1.10 Code\Code configurable

This fixer enforces either language construct print or echo should be used.

Insight Class: PhpCsFixer\Fixer\Alias\NoMixedEchoPrintFixer

\PhpCsFixer\Fixer\Alias\NoMixedEchoPrintFixer::class => [
    'use' => 'echo' // possibles values ['echo', 'print']

No multiline whitespace around double arrow ^1.10 Code\Code

The Operator => should not be surrounded by multi-line whitespaces.

Insight Class: PhpCsFixer\Fixer\ArrayNotation\NoMultilineWhitespaceAroundDoubleArrowFixer

No short bool cast ^1.10 Code\Code

This fixer asserts short cast bool using double exclamation marks should not be used.

Insight Class: PhpCsFixer\Fixer\CastNotation\NoShortBoolCastFixer

No superfluous Elseif ^1.10 Code\Code

This fixer replaces superfluous elseif with if.

Insight Class: PhpCsFixer\Fixer\ControlStructure\NoSuperfluousElseifFixer

No unneeded control parentheses ^1.10 Code\Code configurable

This fixer removes unneeded parentheses around control statements.

Insight Class: PhpCsFixer\Fixer\ControlStructure\NoUnneededControlParenthesesFixer

\PhpCsFixer\Fixer\ControlStructure\NoUnneededControlParenthesesFixer::class => [
    'statements' => [

No useless Else ^1.10 Code\Code

This fixer assert there should not be useless else cases.

Insight Class: PhpCsFixer\Fixer\ControlStructure\NoUselessElseFixer

Normalize index brace ^1.10 Code\Code

Array index should always be written by using square braces.

Insight Class: PhpCsFixer\Fixer\ArrayNotation\NormalizeIndexBraceFixer

Object operator without Whitespace ^1.10 Code\Code

There should not be space before or after object T_OBJECT_OPERATOR ->.

Insight Class: PhpCsFixer\Fixer\Operator\ObjectOperatorWithoutWhitespaceFixer

Short scalar cast ^1.10 Code\Code

Cast (boolean) and (integer) should be written as (bool) and (int), (double) and (real) as (float), (binary) as (string).

Insight Class: PhpCsFixer\Fixer\CastNotation\ShortScalarCastFixer

Ternary operator spaces ^1.10 Code\Code

This fixer standardizes spaces around ternary operators.

Insight Class: PhpCsFixer\Fixer\Operator\TernaryOperatorSpacesFixer

Multiline comment opening closing ^1.10 Code\Comments

DocBlocks must start with two asterisks, multiline comments must start with a single asterisk, after the opening slash. Both must end with a single asterisk before the closing slash.

Insight Class: PhpCsFixer\Fixer\Comment\MultilineCommentOpeningClosingFixer

No empty comment ^1.10 Code\Comments

There should not be any empty comments.

Insight Class: PhpCsFixer\Fixer\Comment\NoEmptyCommentFixer

No break comment ^1.10 Code\Comments configurable

There must be a comment when fall-through is intentional in a non-empty case body.

Insight Class: PhpCsFixer\Fixer\ControlStructure\NoBreakCommentFixer

\PhpCsFixer\Fixer\ControlStructure\NoBreakCommentFixer::class => [
    'comment_text' => 'no break',

Phpdoc scalar ^1.10 Code\Comments configurable

Scalar types should always be written in the same form. int not integer, bool not boolean, float not real or double.

Insight Class: PhpCsFixer\Fixer\Phpdoc\PhpdocScalarFixer

\PhpCsFixer\Fixer\Phpdoc\PhpdocScalarFixer::class => [
    'types' => [ 

No spaces after function name ^1.10 Code\Functions

When making a method or function call, there must not be a space between the method or function name and the opening parenthesis.

Insight Class: PhpCsFixer\Fixer\FunctionNotation\NoSpacesAfterFunctionNameFixer

Return assignment ^1.10 Code\Functions

Local, dynamic and directly referenced variables should not be assigned and directly returned by a function or method.

Insight Class: PhpCsFixer\Fixer\ReturnNotation\ReturnAssignmentFixer