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--TEST-- __serialize() mechanism (009): Object/reference ids should be the same whether or not __serialize is used. --SKIPIF-- <?php if (PHP_VERSION_ID < 70400) { echo "skip __serialize/__unserialize not supported in php < 7.4 for compatibility with serialize()"; } ?> --FILE-- <?php class Vest { public $value; public function __construct($value) { $this->value = $value; } } class Test { public $prop; public function __construct($value) { $this->prop = $value; } public function __serialize() { return ["value" => $this->prop]; } public function __unserialize(array $data) { $this->prop = $data["value"]; } } $vest = new Vest('first'); $vest2 = new Vest(null); $vest3 = new Vest($vest2); $sv = igbinary_serialize([$vest, $vest2, $vest3, $vest, $vest2]); $test = new Test('first'); $test2 = new Test(null); $test3 = new Test($test2); $s = igbinary_serialize([$test, $test2, $test3, $test, $test2]); // The only difference in the serialization should be the first byte of the only occurrence of the class name. var_dump(bin2hex($sv)); var_dump(bin2hex($s)); var_dump(igbinary_unserialize($s)); var_dump(igbinary_unserialize($sv)); ?> --EXPECT-- string(114) "00000002140506001704566573741401110576616c75651105666972737406011a0014010e010006021a0014010e0122020603220106042202" string(114) "00000002140506001704546573741401110576616c75651105666972737406011a0014010e010006021a0014010e0122020603220106042202" array(5) { [0]=> object(Test)#7 (1) { ["prop"]=> string(5) "first" } [1]=> object(Test)#8 (1) { ["prop"]=> NULL } [2]=> object(Test)#9 (1) { ["prop"]=> object(Test)#8 (1) { ["prop"]=> NULL } } [3]=> object(Test)#7 (1) { ["prop"]=> string(5) "first" } [4]=> object(Test)#8 (1) { ["prop"]=> NULL } } array(5) { [0]=> object(Vest)#8 (1) { ["value"]=> string(5) "first" } [1]=> object(Vest)#7 (1) { ["value"]=> NULL } [2]=> object(Vest)#9 (1) { ["value"]=> object(Vest)#7 (1) { ["value"]=> NULL } } [3]=> object(Vest)#8 (1) { ["value"]=> string(5) "first" } [4]=> object(Vest)#7 (1) { ["value"]=> NULL } }
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