1--TEST-- 2SPL: SplHeap::current - get current value from empty heap 3--CREDITS-- 4Mike Sullivan <mikesul@php.net> 5#TestFest 2009 (London) 6--FILE-- 7<?php 8 9class myHeap extends SplHeap 10{ 11 public function compare($v1, $v2) 12 { 13 throw new Exception(''); 14 } 15} 16 17$heap = new myHeap(); 18var_dump($heap->current()); 19 20?> 21--EXPECT-- 22NULL 23