Merge pull request #2301 from WordPress/feature/arraydeclarationspacing-phpcsutils-phpcsextra

Arrays/ArrayDeclarationSpacing: partially replace the sniff + implement PHPCSUtils in what remains

Author: dingo-d

WordPress-Core/ruleset.xml

@@ -256,10 +256,18 @@
 
 	<!-- Generic array layout check. -->
 	<!-- Covers rule: For associative arrays, each item should start on a new line
-		 when the array contains more than one item.
-		 Also covers various single-line array whitespace issues. -->
+		 when the array contains more than one item. -->
 	<rule ref="WordPress.Arrays.ArrayDeclarationSpacing"/>
 
+	<!-- Covers various array whitespace issues. -->
+	<rule ref="NormalizedArrays.Arrays.ArrayBraceSpacing">
+		<properties>
+			<property name="spacesWhenEmpty" value="0"/>
+			<property name="spacesSingleLine" value="1"/>
+			<property name="spacesMultiLine" value="newline"/>
+		</properties>
+	</rule>
+
 	<!-- Covers rule: Note the comma after the last array item: this is recommended. -->
 	<rule ref="WordPress.Arrays.CommaAfterArrayItem"/>