1--TEST-- 2SPL: SplHeap recursive var_dump 3--FILE-- 4<?php 5$a = new SplMaxHeap; 6$a->insert($a); 7var_dump($a) 8?> 9===DONE=== 10--EXPECTF-- 11object(SplMaxHeap)#%d (3) { 12 ["flags":"SplHeap":private]=> 13 int(0) 14 ["isCorrupted":"SplHeap":private]=> 15 bool(false) 16 ["heap":"SplHeap":private]=> 17 array(1) { 18 [0]=> 19 *RECURSION* 20 } 21} 22===DONE=== 23