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<?php class Foobar {} $blah = new Foobar(); $s = serialize($blah ); var_dump(unserialize($s , array())); var_dump(unserialize($s, ["allowed_classes" => ["MyClass", "MyClass2"]]));
Output for git.master, git.master_jit, rfc.property-hooks
object(Foobar)#2 (0) { } object(__PHP_Incomplete_Class)#2 (1) { ["__PHP_Incomplete_Class_Name"]=> string(6) "Foobar" }

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