Online PHP editor | refs for adDmr

@ 2014-09-06T12:48:44Z

<?php
printf("2 ** 3        == %d\n", 2 ** 3);
printf("2 ** 3 ** 4   == %d\n", 2 ** 3 ** 4);
printf("(2 ** 3) ** 4 == %d\n", (2 ** 3) ** 4);
printf("2 ** (3 ** 4) == %d\n", 2 ** (3 ** 4));

$a = 2;
$a **= 3;
printf("a             == %d\n", $a);