1--TEST-- 2Enum in SplObjectStorage 3--FILE-- 4<?php 5 6enum Foo { 7 case Bar; 8 case Baz; 9 case Qux; 10} 11 12$storage = new SplObjectStorage(); 13$storage[Foo::Bar] = 'Bar'; 14$storage[Foo::Baz] = 'Baz'; 15 16var_dump($storage[Foo::Bar]); 17var_dump($storage[Foo::Baz]); 18 19var_dump($storage->contains(Foo::Bar)); 20var_dump($storage->contains(Foo::Qux)); 21 22$serialized = serialize($storage); 23var_dump($serialized); 24 25$unserialized = unserialize($serialized); 26var_dump($unserialized[Foo::Bar]); 27var_dump($unserialized[Foo::Baz]); 28 29?> 30--EXPECT-- 31string(3) "Bar" 32string(3) "Baz" 33bool(true) 34bool(false) 35string(112) "O:16:"SplObjectStorage":2:{i:0;a:4:{i:0;E:7:"Foo:Bar";i:1;s:3:"Bar";i:2;E:7:"Foo:Baz";i:3;s:3:"Baz";}i:1;a:0:{}}" 36string(3) "Bar" 37string(3) "Baz" 38