My EasyCodingStandard Config

ecs.yaml

services:
    # symfony style rules
    PhpCsFixer\Fixer\Basic\BracesFixer:
        allow_single_line_closure: true
    PhpCsFixer\Fixer\PhpTag\BlankLineAfterOpeningTagFixer: ~
    PhpCsFixer\Fixer\Operator\NewWithBracesFixer: ~
    PhpCsFixer\Fixer\Phpdoc\PhpdocAlignFixer:
        tags:
            - method
            - param
            - property
            - return
            - throws
            - type
            - var
    PhpCsFixer\Fixer\Operator\BinaryOperatorSpacesFixer: ~
    PhpCsFixer\Fixer\Operator\IncrementStyleFixer: ~
    PhpCsFixer\Fixer\Operator\UnaryOperatorSpacesFixer: ~
    PhpCsFixer\Fixer\Whitespace\BlankLineBeforeStatementFixer: ~
    PhpCsFixer\Fixer\CastNotation\CastSpacesFixer: ~
    PhpCsFixer\Fixer\LanguageConstruct\DeclareEqualNormalizeFixer: ~
    PhpCsFixer\Fixer\FunctionNotation\FunctionTypehintSpaceFixer: ~
    PhpCsFixer\Fixer\Comment\SingleLineCommentStyleFixer:
        comment_types:
            - hash
    PhpCsFixer\Fixer\ControlStructure\IncludeFixer: ~
    PhpCsFixer\Fixer\CastNotation\LowercaseCastFixer: ~
    PhpCsFixer\Fixer\Casing\NativeFunctionCasingFixer: ~
    PhpCsFixer\Fixer\ClassNotation\NoBlankLinesAfterClassOpeningFixer: ~
    PhpCsFixer\Fixer\Phpdoc\NoBlankLinesAfterPhpdocFixer: ~
    PhpCsFixer\Fixer\Comment\NoEmptyCommentFixer: ~
    PhpCsFixer\Fixer\Phpdoc\NoEmptyPhpdocFixer: ~
    PhpCsFixer\Fixer\Phpdoc\PhpdocSeparationFixer: ~
    PhpCsFixer\Fixer\Semicolon\NoEmptyStatementFixer: ~
    PhpCsFixer\Fixer\Whitespace\NoExtraBlankLinesFixer:
        tokens:
            - curly_brace_block
            - extra
            - parenthesis_brace_block
            - square_brace_block
            - throw
            - use
    PhpCsFixer\Fixer\NamespaceNotation\NoLeadingNamespaceWhitespaceFixer: ~
    PhpCsFixer\Fixer\ArrayNotation\NoMultilineWhitespaceAroundDoubleArrowFixer: ~
    PhpCsFixer\Fixer\CastNotation\NoShortBoolCastFixer: ~
    PhpCsFixer\Fixer\Semicolon\NoSinglelineWhitespaceBeforeSemicolonsFixer: ~
    PhpCsFixer\Fixer\Whitespace\NoSpacesAroundOffsetFixer: ~
    PhpCsFixer\Fixer\ControlStructure\NoTrailingCommaInListCallFixer: ~
    PhpCsFixer\Fixer\ArrayNotation\NoTrailingCommaInSinglelineArrayFixer: ~
    PhpCsFixer\Fixer\ArrayNotation\TrailingCommaInMultilineArrayFixer: ~
    PhpCsFixer\Fixer\ControlStructure\NoUnneededControlParenthesesFixer: ~
    PhpCsFixer\Fixer\ArrayNotation\NoWhitespaceBeforeCommaInArrayFixer: ~
    PhpCsFixer\Fixer\Whitespace\NoWhitespaceInBlankLineFixer: ~
    PhpCsFixer\Fixer\ArrayNotation\NormalizeIndexBraceFixer: ~
    PhpCsFixer\Fixer\Operator\ObjectOperatorWithoutWhitespaceFixer: ~
    PhpCsFixer\Fixer\Phpdoc\PhpdocAnnotationWithoutDotFixer: ~
    PhpCsFixer\Fixer\Phpdoc\PhpdocIndentFixer: ~
    PhpCsFixer\Fixer\Phpdoc\PhpdocInlineTagFixer: ~
    PhpCsFixer\Fixer\Phpdoc\PhpdocNoAccessFixer: ~
    PhpCsFixer\Fixer\Phpdoc\PhpdocNoEmptyReturnFixer: ~
    PhpCsFixer\Fixer\Phpdoc\PhpdocNoPackageFixer: ~
    PhpCsFixer\Fixer\Phpdoc\PhpdocNoUselessInheritdocFixer: ~
    PhpCsFixer\Fixer\Phpdoc\PhpdocReturnSelfReferenceFixer: ~
    PhpCsFixer\Fixer\Phpdoc\PhpdocScalarFixer: ~
    PhpCsFixer\Fixer\Phpdoc\PhpdocSingleLineVarSpacingFixer: ~
    PhpCsFixer\Fixer\Phpdoc\PhpdocSummaryFixer: ~
    PhpCsFixer\Fixer\Phpdoc\PhpdocToCommentFixer: ~
    PhpCsFixer\Fixer\Phpdoc\PhpdocTrimFixer: ~
    PhpCsFixer\Fixer\Phpdoc\PhpdocTypesFixer: ~
    PhpCsFixer\Fixer\Phpdoc\PhpdocVarWithoutNameFixer: ~
    PhpCsFixer\Fixer\FunctionNotation\ReturnTypeDeclarationFixer: ~
    PhpCsFixer\Fixer\ClassNotation\SelfAccessorFixer: ~
    PhpCsFixer\Fixer\CastNotation\ShortScalarCastFixer: ~
    PhpCsFixer\Fixer\StringNotation\SingleQuoteFixer: ~
    PhpCsFixer\Fixer\Semicolon\SpaceAfterSemicolonFixer: ~
    PhpCsFixer\Fixer\Operator\StandardizeNotEqualsFixer: ~
    PhpCsFixer\Fixer\Operator\TernaryOperatorSpacesFixer: ~
    PhpCsFixer\Fixer\ArrayNotation\TrimArraySpacesFixer: ~
    PhpCsFixer\Fixer\ArrayNotation\WhitespaceAfterCommaInArrayFixer: ~
    PhpCsFixer\Fixer\ClassNotation\ClassDefinitionFixer:
        singleLine: true
    PhpCsFixer\Fixer\Casing\MagicConstantCasingFixer: ~
    PhpCsFixer\Fixer\FunctionNotation\MethodArgumentSpaceFixer: ~
    PhpCsFixer\Fixer\Alias\NoMixedEchoPrintFixer:
        use: echo
    PhpCsFixer\Fixer\Import\NoLeadingImportSlashFixer: ~
    PhpCsFixer\Fixer\Import\NoUnusedImportsFixer: ~
    PhpCsFixer\Fixer\PhpUnit\PhpUnitFqcnAnnotationFixer: ~
    PhpCsFixer\Fixer\Phpdoc\PhpdocNoAliasTagFixer: ~
    PhpCsFixer\Fixer\ClassNotation\ProtectedToPrivateFixer: ~
    PhpCsFixer\Fixer\NamespaceNotation\SingleBlankLineBeforeNamespaceFixer: ~
    PhpCsFixer\Fixer\ClassNotation\SingleClassElementPerStatementFixer: ~

    # new since PHP-CS-Fixer 2.6
    PhpCsFixer\Fixer\ControlStructure\NoUnneededCurlyBracesFixer: ~
    PhpCsFixer\Fixer\ClassNotation\NoUnneededFinalMethodFixer: ~
    PhpCsFixer\Fixer\Semicolon\SemicolonAfterInstructionFixer: ~
    PhpCsFixer\Fixer\ControlStructure\YodaStyleFixer: ~

    # new since 2.11
    PhpCsFixer\Fixer\Operator\StandardizeIncrementFixer: ~

    # spaces
    # $builder->addThis()\n    ->addThat();
    PhpCsFixer\Fixer\Whitespace\MethodChainingIndentationFixer: ~

    # 1 empty line between constants, properties and methods
    PhpCsFixer\Fixer\ClassNotation\ClassAttributesSeparationFixer:
        elements: ['const', 'property', 'method']

    # "string" . "another string"
    PhpCsFixer\Fixer\Operator\ConcatSpaceFixer:
        spacing: one

    # ...
    PHP_CodeSniffer\Standards\Squiz\Sniffs\WhiteSpace\SuperfluousWhitespaceSniff:
        ignoreBlankLines: false

   # $value = (  type ) ...;
    PhpCsFixer\Fixer\CastNotation\CastSpacesFixer: ~

    # $value   +  =   5;
    PhpCsFixer\Fixer\Operator\BinaryOperatorSpacesFixer:
        align_double_arrow: false
        align_equals: false

    # someMethod(  string   $value)
    PhpCsFixer\Fixer\FunctionNotation\FunctionTypehintSpaceFixer: ~

    # class someClass {\n\n
    PhpCsFixer\Fixer\ClassNotation\NoBlankLinesAfterClassOpeningFixer: ~

    # $value = 5   ;
    PhpCsFixer\Fixer\Semicolon\NoSinglelineWhitespaceBeforeSemicolonsFixer: ~

    # /**    @var   Type   $variable */
    PhpCsFixer\Fixer\Phpdoc\PhpdocSingleLineVarSpacingFixer: ~

    #      namespace ...;
    PhpCsFixer\Fixer\NamespaceNotation\NoLeadingNamespaceWhitespaceFixer: ~

    # $value[ 'key' ];
    PhpCsFixer\Fixer\Whitespace\NoSpacesAroundOffsetFixer: ~

    # \n    \n
    PhpCsFixer\Fixer\Whitespace\NoWhitespaceInBlankLineFixer: ~

    # someMethod()    :    Type
    PhpCsFixer\Fixer\FunctionNotation\ReturnTypeDeclarationFixer: ~

    # $var = 5;     $hello = 'hi';
    PhpCsFixer\Fixer\Semicolon\SpaceAfterSemicolonFixer: ~

    # '$value   ?    'yes'    :    'no';
    PhpCsFixer\Fixer\Operator\TernaryOperatorSpacesFixer: ~

    # someFunction($value,$anotherValue)
    PhpCsFixer\Fixer\FunctionNotation\MethodArgumentSpaceFixer: ~

    PHP_CodeSniffer\Standards\Squiz\Sniffs\WhiteSpace\LanguageConstructSpacingSniff: ~

    SlevomatCodingStandard\Sniffs\Classes\TraitUseSpacingSniff:
        linesCountAfterLastUse: 1
        linesCountAfterLastUseWhenLastInClass: 0
        linesCountBeforeFirstUse: 0
        linesCountBetweenUses: 0

    # arrays

    # [ 1 , 2];
    PhpCsFixer\Fixer\ArrayNotation\NoWhitespaceBeforeCommaInArrayFixer: ~

    # [    1, 2   ];
    PhpCsFixer\Fixer\ArrayNotation\TrimArraySpacesFixer: ~

    # [ 1,\n2 ];
    PhpCsFixer\Fixer\ArrayNotation\TrailingCommaInMultilineArrayFixer: ~

    # [1, ]   =>   [1]
    PhpCsFixer\Fixer\ArrayNotation\NoTrailingCommaInSinglelineArrayFixer: ~

    # array(    );
    PhpCsFixer\Fixer\ArrayNotation\ArraySyntaxFixer:
        syntax: short

    # [1,2]
    PhpCsFixer\Fixer\ArrayNotation\WhitespaceAfterCommaInArrayFixer: ~

    PhpCsFixer\Fixer\Whitespace\ArrayIndentationFixer: ~

    # namespaces
    # remove unused aliases
    SlevomatCodingStandard\Sniffs\Namespaces\UselessAliasSniff: ~

    # drop dead use namespaces
    PhpCsFixer\Fixer\Import\NoUnusedImportsFixer: ~

    # and sort them A → Z
    PhpCsFixer\Fixer\Import\OrderedImportsFixer: ~

    # <?php\nnamespace SomeNamespace;
    PhpCsFixer\Fixer\NamespaceNotation\SingleBlankLineBeforeNamespaceFixer: ~

    # control structure
    # __CONSTRUCT()   =>   __construct()
    PhpCsFixer\Fixer\PhpUnit\PhpUnitMethodCasingFixer: ~

    # __CLASS__   =>   self::class
    SlevomatCodingStandard\Sniffs\Classes\ModernClassNameReferenceSniff: ~

    # get_class()   =>   __CLASS__
    PhpCsFixer\Fixer\LanguageConstruct\FunctionToConstantFixer: ~

    # "$var" => "${var}"
    PhpCsFixer\Fixer\StringNotation\ExplicitStringVariableFixer: ~
    PhpCsFixer\Fixer\LanguageConstruct\ExplicitIndirectVariableFixer: ~

    # PSR-4
    PhpCsFixer\Fixer\Basic\Psr4Fixer: ~

    # private $one, $two;
    PhpCsFixer\Fixer\ClassNotation\SingleClassElementPerStatementFixer:
        elements: ['property', 'const']

    # new SomeClass;
    PhpCsFixer\Fixer\Operator\NewWithBracesFixer: ~

    # $value++;   =>   ++$value;
    PhpCsFixer\Fixer\Operator\StandardizeIncrementFixer: ~

    # class SomeClass { ... return SomeClass; }
    PhpCsFixer\Fixer\ClassNotation\SelfAccessorFixer: ~

    # __dir__
    PhpCsFixer\Fixer\Casing\MagicConstantCasingFixer: ~

    # if ($value = $this->someMethod()) { ... }
    PHP_CodeSniffer\Standards\Generic\Sniffs\CodeAnalysis\AssignmentInConditionSniff: ~

    # if (...) { return 1; } else { return 2; }
    PhpCsFixer\Fixer\ControlStructure\NoUselessElseFixer: ~

    # "value"
    PhpCsFixer\Fixer\StringNotation\SingleQuoteFixer: ~

    # if ("result" === $value)
    PhpCsFixer\Fixer\ControlStructure\YodaStyleFixer:
        equal: false
        identical: false
        less_and_greater: false

    # private $property; public $anotherProperty;
    PhpCsFixer\Fixer\ClassNotation\OrderedClassElementsFixer: ~

    # use SomeTrait, AnotherTrait;   →   use SomeTrait;\nuse AnotherTrait;
    SlevomatCodingStandard\Sniffs\Classes\TraitUseDeclarationSniff: ~

    # valid function name sniff (snake case)
    PHP_CodeSniffer\Standards\Squiz\Sniffs\NamingConventions\ValidFunctionNameSniff:

    # valid variable name sniff (snake case)
    PHP_CodeSniffer\Standards\Squiz\Sniffs\NamingConventions\ValidVariableNameSniff: