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<?php class Test { private $one = 1; private $two = 2; private $three = 3; public function test() {} public function __sleep() { return ['one']; } } $t = new Test; $b = (string) serialize($t); $t = null; echo $b; echo '<pre>'; print_r(unserialize($b)); ?>
Output for git.master, git.master_jit, rfc.property-hooks
O:4:"Test":1:{s:9:"Testone";i:1;}<pre>Test Object ( [one:Test:private] => 1 [two:Test:private] => 2 [three:Test:private] => 3 )

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