diff --git a/HelloWorld.php b/HelloWorld.php
index c829d895..79e191c6 100644
--- a/HelloWorld.php
+++ b/HelloWorld.php
@@ -3,4 +3,7 @@
   echo "Hello World";
   // If you want to print in browser's console, we use print_r
   print_r("Hello World");
+  // if you want the variable data types as well use var_dump
+  $stringVar = 'hello world';
+  var_dump($stringVar);
 ?>