Online PHP editor | refs for MciSs

<?php $num = 23; $base = 2; $stack = new SplStack(); while( $num > 0) { $stack->push($num % $base); $num = (int) ($num/$base); // no integer division var_dump($num); } $stack->rewind(); while( $stack->valid() ) { echo $stack->current(); $stack->next(); } echo "\n";