Allow extends and implements on a new line

Author: simPod

src/Cdn77/ruleset.xml

@@ -15,6 +15,12 @@
     <!-- use Doctrine as the base standard -->
     <rule ref="Doctrine">
         <exclude name="Generic.Formatting.MultipleStatementAlignment"/>
+
+        <!-- Allow extends on a new line-->
+        <exclude name="PSR2.Classes.ClassDeclaration.ExtendsLine" />
+        <!-- Allow implements on a new line-->
+        <exclude name="PSR2.Classes.ClassDeclaration.ImplementsLine" />
+
         <exclude name="Squiz.Commenting.FunctionComment.SpacingAfterParamType"/>
 
         <!-- replaced by SlevomatCodingStandard.Commenting.RequireOneLineDocComment -->