diff --git a/rules/S6173/php/rule.adoc b/rules/S6173/php/rule.adoc
index 8544ac4c88..71278a0f7d 100644
--- a/rules/S6173/php/rule.adoc
+++ b/rules/S6173/php/rule.adoc
@@ -7,6 +7,8 @@ include::../description.adoc[]
 $input = $_GET["input"];
 
 call_user_func($input, "abc"); # Noncompliant
+$input(); # Noncompliant
+$o = new $input(); # Noncompliant
 ----
 
 == Compliant Solution
@@ -17,6 +19,8 @@ $input = $_GET["input"];
 
 if(in_array($input, $allowlist, true)) {
     call_user_func($input, "abc"); 
+    $input();
+    $o = new $input();
 }
 ----