<?php
error_reporting(E_ALL);
$a="0123456789";$b=$a{(int)!((bool)(rand(0,strlen($a)%2))&true)}.$a{((((bool)$c=rand(1,strlen($a)))^true)?false:(abs(~((bool)$c%2))))}.$a{substr(ord(rand(0,1)),0,1)};echo chr($b)."\n";