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<?php class A { protected $_sqlStatements = []; public function __sleep() { var_dump((array) ($this)); var_dump(get_object_vars($this)); } } class B extends A { private $x = 42; } var_dump(serialize(new B));
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { ["*_sqlStatements"]=> array(0) { } ["Bx"]=> int(42) } array(1) { ["_sqlStatements"]=> array(0) { } } Warning: serialize(): B::__sleep() should return an array only containing the names of instance-variables to serialize in /in/ce10i on line 18 string(2) "N;"

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