1--TEST-- 2SPL: SplHeap recursive var_dump 3--FILE-- 4<?php 5$a = new SplMaxHeap; 6$a->insert($a); 7var_dump($a) 8?> 9--EXPECTF-- 10object(SplMaxHeap)#%d (3) { 11 ["flags":"SplHeap":private]=> 12 int(0) 13 ["isCorrupted":"SplHeap":private]=> 14 bool(false) 15 ["heap":"SplHeap":private]=> 16 array(1) { 17 [0]=> 18 *RECURSION* 19 } 20} 21