Online PHP editor | output for TdWTY

<?php $dtype; echo "The data type of variable is " . gettype($dtype) . " "; $dtype = 15; //assigning int data type echo "The data type of variable is " . gettype($dtype) . " "; $dtype = 15.55; //assigning double data type echo "The data type of variable is " . gettype($dtype) . " "; $dtype = "Pakistan"; //assigning string data type echo "The data type of variable is now " . gettype($dtype) . " "; $dtype = true; //assigning bolean data type echo "The data type of variable is now " . gettype($dtype) . " "; echo " "; $myvar = 100; echo "The data type of variable is " . gettype($myvar) . " "; //getting variable type settype($myvar,"string"); echo "Now the variable type is " . gettype($myvar); ?>