diff --git a/dev/codesniffer/ruleset.xml b/dev/codesniffer/ruleset.xml
index 24cc4b46e7b..1cf0442d744 100755
--- a/dev/codesniffer/ruleset.xml
+++ b/dev/codesniffer/ruleset.xml
@@ -18,6 +18,9 @@
 		<severity>0</severity>
 	</rule>
 
+    <!-- The closing ?> tag MUST be omitted from files containing only PHP. -->
+    <rule ref="Zend.Files.ClosingTag"/>
+
     <!-- <rule ref="Generic.CodeAnalysis.ForLoopShouldBeWhileLoop" /> -->
 
     <rule ref="Generic.CodeAnalysis.ForLoopWithTestFunctionCall" />