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run code in 200+ php & hhvm versions
Bugs & Features
<?php class Foo {} var_dump(unserialize('O:3:"Foo":0:{}'));
Output for 5.0.0 - 7.2.0
object(Foo)#1 (0) { }
Output for 4.3.0 - 4.4.9
object(foo)(0) { }