All insights about style are regrouped in one Metric:

  • NunoMaduro\PhpInsights\Domain\Metrics\Style\Style Style

Closing tag ^1.0 Style

This sniff checks that the file does not end with a closing tag.

Insight Class: PHP_CodeSniffer\Standards\PSR2\Sniffs\Files\ClosingTagSniff

End file newline ^1.0 Style

This sniff ensures the file ends with a newline character.

Insight Class: PHP_CodeSniffer\Standards\PSR2\Sniffs\Files\EndFileNewlineSniff

Side effects ^1.0 Style

This sniff ensures a file declares new symbols and causes no other side effects, or executes logic with side effects, but not both.

Insight Class: PHP_CodeSniffer\Standards\PSR1\Sniffs\Files\SideEffectsSniff

Git merge conflict ^1.0 Style

This sniff checks for merge conflict artifacts.

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\VersionControl\GitMergeConflictSniff

Byte order mark ^1.0 Style

This sniff detects BOMs that may corrupt application work.

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\Files\ByteOrderMarkSniff

Line endings ^1.0 Style configurable

This sniff checks that end of line characters are correct.

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\Files\LineEndingsSniff

\PHP_CodeSniffer\Standards\Generic\Sniffs\Files\LineEndingsSniff::class => [
    'eolChar' => '\n',

Function closing brace ^1.0 Style

This sniff checks that the closing brace of a function goes directly after the body.

Insight Class: PHP_CodeSniffer\Standards\PSR2\Sniffs\Methods\FunctionClosingBraceSniff

Object operator indent ^1.0 Style configurable

This sniff checks that object operators are indented correctly.

Insight Class: PHP_CodeSniffer\Standards\PEAR\Sniffs\WhiteSpace\ObjectOperatorIndentSniff

\PHP_CodeSniffer\Standards\PEAR\Sniffs\WhiteSpace\ObjectOperatorIndentSniff::class => [
    'indent' => 4,

Scope closing brace ^1.0 Style configurable

This sniff checks that the closing braces of scopes are aligned correctly.

Insight Class: PHP_CodeSniffer\Standards\PEAR\Sniffs\WhiteSpace\ScopeClosingBraceSniff

\PHP_CodeSniffer\Standards\PEAR\Sniffs\WhiteSpace\ScopeClosingBraceSniff::class => [
    'indent' => 4,

Disallow long array syntax ^1.0 Style

This sniff bans the use of the PHP long array syntax (array()). Use [] instead.

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

Line length ^1.0 Style configurable

This sniff checks the length of all lines in a file.

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\Files\LineLengthSniff

\PHP_CodeSniffer\Standards\Generic\Sniffs\Files\LineLengthSniff::class => [
    'lineLimit' => 80,
    'absoluteLineLimit' => 100,
    'ignoreComments' => false,

Space after cast ^1.0 Style

This sniff ensures there is a single space after cast tokens.

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

Space after not ^1.0 Style

This sniff ensures there is a single space after a NOT operator.

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

Function call argument spacing ^1.0 Style

This sniff checks that calls to methods and functions are spaced correctly.

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

Character before PHP opening tag ^1.0 Style

This sniff checks that the opening PHP tag is the first content in a file.

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

Backtick Operator ^1.0 Style

This sniff disallows the use of the backtick execution operator.

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

Disallow alternative PHP tags ^1.0 Style

This sniff verifies that no alternative PHP tags are used.

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

Disallow short open tag ^1.0 Style

This sniff makes sure that shorthand PHP open tags are not used.

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

Forbidden functions ^1.0 Code\Functions

This sniff discourages the use of alias functions.

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

Lower case constant ^1.0 Style

This sniff checks that all uses of true, false and null are lowercase.

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

Lower case keyword ^1.0 Style

This sniff checks that all PHP keywords are lowercase.

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

Lower case type ^1.0 Style

This sniff checks that all PHP types are lowercase.

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

SAPI Usage ^1.0 Style

This sniff ensures the PHP_SAPI constant is used instead of php_sapi_name().

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

Syntax ^1.0 Style

This sniff ensures PHP believes the syntax is clean.

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

Trailing array comma ^1.0 Style

This sniff enforces trailing commas in multi-line arrays and requires short array syntax []. Commas after the last element in an array make adding a new element easier and result in a cleaner versioning diff.

Insight Class: SlevomatCodingStandard\Sniffs\Arrays\TrailingArrayCommaSniff

Arbitraty parentheses spacing ^1.0 Style

This sniff checks whitespace on the inside of arbitrary parentheses.

Arbitrary parentheses are those which are not owned by a function (call), array or control structure. Spacing on the outside is not checked on purpose as this would too easily conflict with other spacing rules.

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\WhiteSpace\ArbitraryParenthesesSpacingSniff

Disallow tab indent ^1.0 Style

This sniff throws errors if tabs are used for indentation.

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\WhiteSpace\DisallowTabIndentSniff

Increment decrement spacing ^1.0 Style

This sniff verifies spacing between variables and increment/decrement operators.

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\WhiteSpace\IncrementDecrementSpacingSniff

Language construct spacing ^1.0 Style

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

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

Camel caps method name ^1.0 Style

This sniff ensures method names are defined using camel case.

Insight Class: PHP_CodeSniffer\Standards\PSR1\Sniffs\Methods\CamelCapsMethodNameSniff

Else If declaration ^1.0 Style

This sniff verifies that there are no else if statements (elseif should be used instead).

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

Switch declaration ^1.0 Style configurable

This sniff ensures all switch statements are defined correctly.

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

\PHP_CodeSniffer\Standards\PSR2\Sniffs\ControlStructures\SwitchDeclarationSniff::class => [
    'indent' => 4,

Upper case constant name ^1.0 Style

This sniff ensures that constant names are all uppercase.

Insight Class: PHP_CodeSniffer\Standards\Generic\Sniffs\NamingConventions\UpperCaseConstantNameSniff

Alphabetically sorted uses ^1.0 Style

This sniff checks whether uses at the top of a file are alphabetically sorted. Follows natural sorting and takes edge cases with special symbols into consideration.

Insight Class: SlevomatCodingStandard\Sniffs\Namespaces\AlphabeticallySortedUsesSniff

Namespace Spacing ^1.0 Style configurable

This sniff enforces configurable number of lines before and after namespace.

Insight Class: SlevomatCodingStandard\Sniffs\Namespaces\NamespaceSpacingSniff

\SlevomatCodingStandard\Sniffs\Namespaces\NamespaceSpacingSniff::class => [
    'linesCountBeforeNamespace' => 1,
    'linesCountAfterNamespace' => 1,

Require one namespace in file ^1.0 Style

This sniff checks there is only one namespace in a file.

Insight Class: SlevomatCodingStandard\Sniffs\Namespaces\RequireOneNamespaceInFileSniff

Unused uses ^1.0 Style configurable

This sniff detects unused use in a file.

Insight Class: SlevomatCodingStandard\Sniffs\Namespaces\UnusedUsesSniff

\SlevomatCodingStandard\Sniffs\Namespaces\UnusedUsesSniff::class => [
    'searchAnnotations' => false,
    'ignoredAnnotationNames' => [], // case sensitive list of annotation names that the sniff should ignore (only the name is ignored, annotation content is still searched). Useful for name collisions like @testCase annotation and TestCase class.
    'ignoredAnnotations' => [], // case sensitive list of annotation names that the sniff ignore completely (both name and content are ignored). Useful for name collisions like @group Cache annotation and Cache class

Use does not start with Backslash ^1.0 Style

This sniff disallows leading backslash in use statement.

Insight Class: SlevomatCodingStandard\Sniffs\Namespaces\UseDoesNotStartWithBackslashSniff

Use spacing sniff ^1.0 Style configurable

This sniff enforces a configurable number of lines before first use, after last use and between two use statements.

Insight Class: SlevomatCodingStandard\Sniffs\Namespaces\UseSpacingSniff

\SlevomatCodingStandard\Sniffs\Namespaces\UseSpacingSniff::class => [
    'linesCountBeforeFirstUse' => 1,
    'linesCountBetweenUseTypes' => 0,
    'linesCountAfterLastUse' => 1,

Spread operator spacing ^1.0 Style configurable

This sniff enforces a configurable number of spaces after the ... operator.

Insight Class: SlevomatCodingStandard\Sniffs\Operators\SpreadOperatorSpacingSniff

\SlevomatCodingStandard\Sniffs\Operators\SpreadOperatorSpacingSniff::class => [
    'spacesCountAfterOperator' => 0,

Short list ^1.0 Style

This sniff enforces using short form of list syntax, [...] instead of list(...).

Insight Class: SlevomatCodingStandard\Sniffs\PHP\ShortListSniff

Parameter type hint spacing ^1.0 Style

This sniff

  • checks that there's a single space between a typehint and a parameter name: Foo $foo
  • checks that there's no whitespace between a nullability symbol and a typehint: ?Foo

Insight Class: SlevomatCodingStandard\Sniffs\TypeHints\ParameterTypeHintSpacingSniff

Return type hint spacing ^1.0 Style configurable

This sniff enforces consistent formatting of return typehints.

Insight Class: SlevomatCodingStandard\Sniffs\TypeHints\ReturnTypeHintSpacingSniff

\SlevomatCodingStandard\Sniffs\TypeHints\ReturnTypeHintSpacingSniff::class => [
    'spacesCountBeforeColon' => 0,

Superfluous Whitespace ^1.0 Style configurable

This sniff checks for unneeded whitespace.

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

\PHP_CodeSniffer\Standards\Squiz\Sniffs\WhiteSpace\SuperfluousWhitespaceSniff::class => [
    'ignoreBlankLines' => false,

Doc comment spacing ^1.0 Style configurable

This sniff enforces a configurable number of lines before first content (description or annotation), after last content (description or annotation), between description and annotations and between two different annotations types (eg. between @param and @return).

Insight Class: SlevomatCodingStandard\Sniffs\Commenting\DocCommentSpacingSniff

\SlevomatCodingStandard\Sniffs\Commenting\DocCommentSpacingSniff::class => [
    'linesCountBeforeFirstContent' => 0,
    'linesCountBetweenDescriptionAndAnnotations' => 1,
    'linesCountBetweenDifferentAnnotationsTypes' => 0,
    'linesCountBetweenAnnotationsGroups' => 1,
    'linesCountAfterLastContent' => 0,
    'annotationsGroups' => [],

Class instantiation ^1.0 Style

This sniff verifies that classes are instantiated with parentheses.

Insight Class: PHP_CodeSniffer\Standards\PSR12\Sniffs\Classes\ClassInstantiationSniff

No trailing comma in singleline array ^1.10 Style

This fixer removes trailing commas in list function calls.

Insight Class: PhpCsFixer\Fixer\ArrayNotation\NoTrailingCommaInSinglelineArrayFixer

No whitespace before comma in array ^1.10 Style configurable

In array declarations, there MUST NOT be a whitespace before each comma.

Insight Class: PhpCsFixer\Fixer\ArrayNotation\NoWhitespaceBeforeCommaInArrayFixer

\PhpCsFixer\Fixer\ArrayNotation\NoWhitespaceBeforeCommaInArrayFixer::class => [
    'after_heredoc' => false, // Whether the whitespace between heredoc end and comma should be removed.

Braces ^1.10 Style configurable

The body of each structure must be enclosed by braces. Braces should be properly placed. Body of braces should be properly indented.

Insight Class: PhpCsFixer\Fixer\Basic\BracesFixer

\PhpCsFixer\Fixer\Basic\BracesFixer::class => [
    'allow_single_line_closure' => false,
    'position_after_anonymous_constructs' => 'same', // possible values ['same', 'next']
    'position_after_control_structures' => 'same', // possible values ['same', 'next']
    'position_after_functions_and_oop_constructs' => 'same', // possible values ['same', 'next']

Encoding ^1.10 Style

PHP code must use only UTF-8 without BOM (remove BOM).

Insight Class: PhpCsFixer\Fixer\Basic\EncodingFixer

Lowercase static reference ^1.10 Style

Class static references self, static and parent must be in lower case.

Insight Class: PhpCsFixer\Fixer\Casing\LowercaseStaticReferenceFixer

Magic constant casing ^1.10 Style

Magic constants should be referred to using the correct casing.

Insight Class: PhpCsFixer\Fixer\Casing\MagicConstantCasingFixer

Magic method casing ^1.10 Style

Magic method definitions and calls must be using the correct casing.

Insight Class: PhpCsFixer\Fixer\Casing\MagicMethodCasingFixer

Native function casing ^1.10 Style

Function defined by PHP should be called using the correct casing.

Insight Class: PhpCsFixer\Fixer\Casing\NativeFunctionCasingFixer

Native function type declaration casing ^1.10 Style

Native type hints for functions should use the correct case.

Insight Class: PhpCsFixer\Fixer\Casing\NativeFunctionTypeDeclarationCasingFixer

Cast spaces ^1.10 Style configurable

A single space or none should be between cast and variable.

Insight Class: PhpCsFixer\Fixer\CastNotation\CastSpacesFixer

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

Class definition fixer ^1.10 Style configurable

Whitespace around the keywords of a class, trait or interfaces definition should be one space.

Insight Class: PhpCsFixer\Fixer\ClassNotation\ClassDefinitionFixer

\PhpCsFixer\Fixer\ClassNotation\ClassDefinitionFixer::class => [
    'multi_line_extends_each_single_line' => false,
    'single_item_single_line' => false,
    'single_line' => false,

No blank lines after class opening ^1.10 Style

Ensure there is no code on the same line as the PHP open tag and it is followed by a blank line.

Insight Class: PhpCsFixer\Fixer\ClassNotation\NoBlankLinesAfterClassOpeningFixer

No trailing whitespace in comment ^1.10 Style

There must be no trailing spaces inside comment or PHPDoc.

Insight Class: PhpCsFixer\Fixer\Comment\NoTrailingWhitespaceInCommentFixer

Switch case semicolon to colon ^1.10 Style

A case should be followed by a colon and not a semicolon.

Insight Class: PhpCsFixer\Fixer\ControlStructure\SwitchCaseSemicolonToColonFixer

Switch case space ^1.10 Style

This fixer removes extra spaces between colon and case value.

Insight Class: PhpCsFixer\Fixer\ControlStructure\SwitchCaseSpaceFixer

Function declaration ^1.10 Style configurable

Spaces should be properly placed in a function declaration.

Insight Class: PhpCsFixer\Fixer\FunctionNotation\FunctionDeclarationFixer

\PhpCsFixer\Fixer\FunctionNotation\FunctionDeclarationFixer::class => [
    'closure_function_spacing' => 'one' // possible values ['one', 'none']

Function typehint space ^1.10 Style

This fixer adds missing spaces between function's argument and its typehint.

Insight Class: PhpCsFixer\Fixer\FunctionNotation\FunctionTypehintSpaceFixer

Binary operator space ^1.10 Style configurable

Binary operators should be surrounded by spaces as configured.

Insight Class: PhpCsFixer\Fixer\Operator\BinaryOperatorSpacesFixer

\PhpCsFixer\Fixer\Operator\BinaryOperatorSpacesFixer::class => [
    'align_double_arrow' => false, // Whether to apply, remove or ignore double arrows alignment: possibles values [true, false, null]
    'align_equals' => false, // Whether to apply, remove or ignore equals alignment: possibles values [true, false, null]
    'default' => 'single_space', // default fix strategie: possibles values ['align', 'align_single_space', 'align_single_space_minimal', 'single_space', 'no_space', null]

Standardize not equals ^1.10 Style

This fixer replaces all <> with !=.

Insight Class: PhpCsFixer\Fixer\Operator\StandardizeNotEqualsFixer

Align multiline comment ^1.10 Style configurable

Each line of multi-line DocComments must have an asterisk and must be aligned with the first one.

Insight Class: PhpCsFixer\Fixer\Phpdoc\AlignMultilineCommentFixer

\PhpCsFixer\Fixer\Phpdoc\AlignMultilineCommentFixer::class => [
    'comment_type' => 'phpdocs_only' // possible values ['phpdocs_only', 'phpdocs_like', 'all_multiline']

Full opening tag ^1.10 Style

PHP code must use the long <?php tags or short-echo <?= tags and not other tag variations.

Insight Class: PhpCsFixer\Fixer\PhpTag\FullOpeningTagFixer

No singleline whitespace before semicolons ^1.10 Style

Single-line whitespace before closing semicolon are prohibited.

Insight Class: PhpCsFixer\Fixer\Semicolon\NoSinglelineWhitespaceBeforeSemicolonsFixer

Single quote ^1.10 Style configurable

This fixer converts double quotes to single quotes for simple strings.

Insight Class: PhpCsFixer\Fixer\StringNotation\SingleQuoteFixer

\PhpCsFixer\Fixer\StringNotation\SingleQuoteFixer::class => [
    'strings_containing_single_quote_chars' => false,

Method chaining indentation ^1.10 Style

Method chaining must be properly indented. Method chaining with different levels of indentation is not supported.

Insight Class: PhpCsFixer\Fixer\Whitespace\MethodChainingIndentationFixer

No extra blank lines ^1.10 Style configurable

This fixer removes extra blank lines and/or blank lines following configuration.

Insight Class: PhpCsFixer\Fixer\Whitespace\NoExtraBlankLinesFixer

\PhpCsFixer\Fixer\Whitespace\NoExtraBlankLinesFixer::class => [
    'tokens' => ['extra'], // possibles values ['break', 'case', 'continue', 'curly_brace_block', 'default', 'extra', 'parenthesis_brace_block', 'return', 'square_brace_block', 'switch', 'throw', 'use', 'use_trait']

No spaces around offset ^1.10 Style configurable

There must not be spaces around offset braces.

Insight Class: PhpCsFixer\Fixer\Whitespace\NoSpacesAroundOffsetFixer

\PhpCsFixer\Fixer\Whitespace\NoSpacesAroundOffsetFixer::class => [
    'positions' => ['inside', 'outside'],

No spaces inside parenthesis ^1.10 Style

There must not be a space after the opening parenthesis. There must not be a space before the closing parenthesis.

Insight Class: PhpCsFixer\Fixer\Whitespace\NoSpacesInsideParenthesisFixer

No trailing whitespace ^1.10 Style

This fixer removes trailing whitespace at the end of non-blank lines.

Insight Class: PhpCsFixer\Fixer\Whitespace\NoTrailingWhitespaceFixer

No whitespace in blank line ^1.10 Style

This fixer removes trailing whitespace at the end of blank lines.

Insight Class: PhpCsFixer\Fixer\Whitespace\NoWhitespaceInBlankLineFixer

Single blank line at eof ^1.10 Style

A PHP file without end tag must always end with a single empty line feed.

Insight Class: PhpCsFixer\Fixer\Whitespace\SingleBlankLineAtEofFixer