gistfile1.aw

<?php

//Here we're setting BIT_0, BIT_1, ..., BIT_15 for use with octal notation
//It's basically saving 1,2,4,8,16, ..., 32768 to prevent possible typos and less calculations
// 2^n = BIT_n
$t = 1;
for ($i = 0; $i < 16; $i++) {
	define('BIT_' . $i, $t);
	$t <<= 1;
}
unset($t);