codingRuleset.xml

<?xml version="1.0"?>
<ruleset name="AcmeProject">
   <arg name="encoding" value="UTF-8"/>
   <arg name="extensions" value="php"/>

   <rule ref="PSR12">
       <exclude name="PSR12.Files.OpenTag.NotAlone"/>
       <exclude name="PSR12.Files.FileHeader.SpacingAfterBlock"/>
       <exclude name="PSR12.Traits.UseDeclaration.NoBlankLineAfterUse"/>
   </rule>

   <rule ref="Generic.Files.LineEndings">
       <exclude name="Generic.Files.LineEndings"/>
   </rule>

   <rule ref="Squiz.WhiteSpace.FunctionSpacing">
       <properties>
           <property name="spacing" value="1"/>
           <property name="spacingBeforeFirst" value="0"/>
           <property name="spacingBeforeLast" value="0"/>
           <property name="spacingAfterLast" value="0"/>
       </properties>
   </rule>

   <config name="installed_paths"
           value="../../slevomat/coding-standard"/><!-- relative path from PHPCS source location -->
   <rule ref="SlevomatCodingStandard.Arrays.TrailingArrayComma"/>
   <rule ref="SlevomatCodingStandard.Arrays.DisallowImplicitArrayCreation"/>
   <rule ref="SlevomatCodingStandard.Classes.DisallowLateStaticBindingForConstants"/>
   <rule ref="SlevomatCodingStandard.Classes.UselessLateStaticBinding"/>
   <rule ref="SlevomatCodingStandard.ControlStructures.AssignmentInCondition"/>
   <rule ref="SlevomatCodingStandard.ControlStructures.DisallowContinueWithoutIntegerOperandInSwitch"/>
   <rule ref="SlevomatCodingStandard.ControlStructures.DisallowYodaComparison"/>
   <rule ref="SlevomatCodingStandard.Operators.DisallowEqualOperators"/>
   <rule ref="SlevomatCodingStandard.Operators.RequireOnlyStandaloneIncrementAndDecrementOperators"/>
   <rule ref="SlevomatCodingStandard.Functions.UnusedInheritedVariablePassedToClosure"/>
   <rule ref="SlevomatCodingStandard.Functions.UselessParameterDefaultValue"/>
   <rule ref="SlevomatCodingStandard.Namespaces.UseFromSameNamespace"/>
   <rule ref="SlevomatCodingStandard.Namespaces.UselessAlias"/>
   <rule ref="SlevomatCodingStandard.PHP.UselessParentheses"/>
   <rule ref="SlevomatCodingStandard.PHP.UselessSemicolon"/>
   <rule ref="SlevomatCodingStandard.Variables.DuplicateAssignmentToVariable"/>
   <rule ref="SlevomatCodingStandard.Variables.UnusedVariable"/>
   <rule ref="SlevomatCodingStandard.Exceptions.DeadCatch"/>
   <rule ref="SlevomatCodingStandard.Classes.ModernClassNameReference"/>
   <rule ref="SlevomatCodingStandard.Classes.TraitUseDeclaration"/>
   <rule ref="SlevomatCodingStandard.Classes.SuperfluousAbstractClassNaming"/>
   <rule ref="SlevomatCodingStandard.Classes.SuperfluousInterfaceNaming"/>
   <rule ref="SlevomatCodingStandard.Classes.SuperfluousTraitNaming"/>
   <rule ref="SlevomatCodingStandard.Namespaces.AlphabeticallySortedUses"/>
   <rule ref="SlevomatCodingStandard.Namespaces.RequireOneNamespaceInFile"/>
   <rule ref="SlevomatCodingStandard.Namespaces.NamespaceDeclaration"/>
   <rule ref="SlevomatCodingStandard.TypeHints.ReturnTypeHintSpacing"/>
   <rule ref="SlevomatCodingStandard.TypeHints.NullableTypeForNullDefaultValue"/>
   <rule ref="SlevomatCodingStandard.TypeHints.ParameterTypeHintSpacing"/>
   <rule ref="SlevomatCodingStandard.Namespaces.DisallowGroupUse"/>
   <rule ref="SlevomatCodingStandard.Namespaces.UseDoesNotStartWithBackslash"/>
   <rule ref="SlevomatCodingStandard.Commenting.ForbiddenAnnotations">
       <properties>
           <property name="forbiddenAnnotations" type="array">
               <element value="@author"/>
               <element value="@package"/>
               <element value="@copyright"/>
               <element value="@version"/>
               <element value="@created"/>
               <element value="@license"/>
           </property>
       </properties>
   </rule>
   <rule ref="SlevomatCodingStandard.Commenting.EmptyComment"/>
   <rule ref="SlevomatCodingStandard.Commenting.InlineDocCommentDeclaration"/>
   <rule ref="SlevomatCodingStandard.ControlStructures.UselessTernaryOperator"/>
   <rule ref="SlevomatCodingStandard.ControlStructures.UselessIfConditionWithReturn"/>
   <rule ref="SlevomatCodingStandard.TypeHints.DeclareStrictTypes">
       <exclude name="SlevomatCodingStandard.TypeHints.DeclareStrictTypes.IncorrectStrictTypesFormat"/>
   </rule>
   <rule ref="SlevomatCodingStandard.TypeHints.ParameterTypeHint">
       <exclude name="SlevomatCodingStandard.TypeHints.ParameterTypeHint.MissingTraversableTypeHintSpecification"/>
   </rule>
   <rule ref="SlevomatCodingStandard.TypeHints.ReturnTypeHint">
       <exclude name="SlevomatCodingStandard.TypeHints.ReturnTypeHint.MissingTraversableTypeHintSpecification"/>
   </rule>
   <rule ref="SlevomatCodingStandard.TypeHints.UselessConstantTypeHint"/>

   <rule ref="SlevomatCodingStandard.Namespaces.NamespaceSpacing">
       <properties>
           <property name="linesCountBeforeNamespace" value="1"/>
           <property name="linesCountAfterNamespace" value="1"/>
       </properties>
   </rule>
   <rule ref="SlevomatCodingStandard.Namespaces.UseSpacing">
       <properties>
           <property name="linesCountBeforeFirstUse" value="1"/>
           <property name="linesCountBetweenUseTypes" value="0"/>
           <property name="linesCountAfterLastUse" value="1"/>
       </properties>
   </rule>

   <rule ref="Generic.WhiteSpace.ScopeIndent">
       <properties>
           <property name="indent" value="4"/>
       </properties>
   </rule>

   <rule ref="Squiz.WhiteSpace.MemberVarSpacing">
       <properties>
           <property name="spacing" value="0"/>
           <property name="spacingBeforeFirst" value="0"/>
       </properties>
   </rule>

   <rule ref="Generic.Metrics.NestingLevel">
       <properties>
           <property name="absoluteNestingLevel" value="3"/>
       </properties>
   </rule>
   <rule ref="Generic.Metrics.CyclomaticComplexity"/>
   <rule ref="Generic.PHP.DisallowShortOpenTag"/>

</ruleset>