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<?php class Foo { } class Bar { } $foo = new Foo(); echo serialize($foo); $foo = change_class($foo, 'Bar'); var_dump($foo); function change_class($object, $new_class) { preg_match('~^O:[0-9]+:"[^"]+":(.+)$~', serialize($object), $matches); return unserialize(sprintf('O:%s:"%s":%s', strlen($new_class), $new_class, $matches[1])); }
Output for git.master, git.master_jit, rfc.property-hooks
O:3:"Foo":0:{}object(Bar)#2 (0) { }

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