--TEST-- SPL: SplHeap::current - get current value from empty heap --CREDITS-- Mike Sullivan <mikesul@php.net> #TestFest 2009 (London) --FILE-- <?php class myHeap extends SplHeap { public function compare($v1, $v2) { throw new Exception(''); } } $heap = new myHeap(); var_dump($heap->current()); ?> --EXPECT-- NULL