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<?php $num = 23; $base = 2; $stack = new SplStack(); while( $num > 0){ $stack->push($num % $base); $num = (int) ($num/$base); // no integer division } $stack->setIteratorMode(SplDoublyLinkedList::IT_MODE_LIFO); for ($stack->rewind(); $stack->valid(); $stack->next()) { echo $list->current(); }
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $list in /in/TXYd5 on line 12 Fatal error: Uncaught Error: Call to a member function current() on null in /in/TXYd5:12 Stack trace: #0 {main} thrown in /in/TXYd5 on line 12
Process exited with code 255.

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