1--TEST-- 2SPL: SplObjectStorage comapred with == 3--FILE-- 4<?php 5$a = new SplObjectStorage; 6$b = new SplObjectStorage; 7var_dump($a == $b); 8$b[$b] = 2; 9var_dump($a == $b); 10$a[$b] = 2; 11var_dump($a == $b); 12$a[$b] = 3; 13var_dump($a == $b); 14?> 15--EXPECT-- 16bool(true) 17bool(false) 18bool(true) 19bool(false) 20