관리-도구
편집 파일: __serialize_005.phpt
--TEST-- __serialize() mechanism (005): parent::__unserialize() is safe --SKIPIF-- <?php if (PHP_VERSION_ID < 70400) { echo "skip __serialize/__unserialize not supported in php < 7.4 for compatibility with serialize()"; } ?> --FILE-- <?php // NOTE: PHP 8.1.0 changed the way property iteration is done to optimize memory usage(affects var_dump output order but not the correctness of igbinary). // To work around this, declare all properties on the same class. class A { private $data; protected $data2; public function __construct(array $data) { $this->data = $data; } public function __serialize() { return $this->data; } public function __unserialize(array $data) { $this->data = $data; } } class B extends A { public function __construct(array $data, array $data2) { parent::__construct($data); $this->data2 = $data2; } public function __serialize() { return [$this->data2, parent::__serialize()]; } public function __unserialize(array $payload) { [$data2, $data] = $payload; parent::__unserialize($data); $this->data2 = $data2; } } $common = new stdClass; $obj = new B([$common], [$common]); var_dump(bin2hex($s = igbinary_serialize($obj))); var_dump(igbinary_unserialize($s)); ?> --EXPECT-- string(70) "0000000217014214020600140106001708737464436c61737314000601140106002202" object(B)#3 (2) { ["data":"A":private]=> array(1) { [0]=> object(stdClass)#4 (0) { } } ["data2":protected]=> array(1) { [0]=> object(stdClass)#4 (0) { } } }