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<?php class foo { protected $bar; } class bar extends foo { } $test = new foo(); $meh = serialize($test); $meh = unserialize($meh, ['allowed_classes' => 'foo']);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: unserialize(): Option "allowed_classes" must be of type array|bool, string given in /in/KN2me:14 Stack trace: #0 /in/KN2me(14): unserialize('O:3:"foo":1:{s:...', Array) #1 {main} thrown in /in/KN2me on line 14
Process exited with code 255.

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