class Program {
function main() {
$foo = '0';
var_dump($foo);
$foo += 2;
$foo = 1;
$foo += 1.3;
$foo = 5 + "10 Little Piggies";
$foo = 5 + 10;
$foo = 'car';
$foo[0] = 'b';
$foo = 10;
$foo = (bool) $foo;
$foo = '';
}