<?php
$s = "this is string data type";  // string
echo $s."\n";
$i = 10;   // integer 
echo $i."\n";
$f = 1.3;  // $foo is now a float (3.3)
echo $f."\n";
$con_i = 10+ "10 Little Piggies"; //  integer
echo $con_i."\n";
?>