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--TEST-- igbinary_unserialize with references to typed properties shall skip the references or fail --SKIPIF-- <?php if (PHP_VERSION_ID < 70400) { echo "skip __serialize/__unserialize not supported in php < 7.4 for compatibility with serialize()"; } if (PHP_VERSION_ID >= 80000) { echo "skip different error message format"; } ?> --FILE-- <?php class A { public int $a; public $b; } class B { public $a; public int $b; } class C { public int $a; public string $b; } class D { public int $a; public float $b; } class Z { public $a; public $b; } $a = new A(); $a->a = 1234; $a->b = &$a->a; var_dump(bin2hex($s = igbinary_serialize($a))); var_dump(igbinary_unserialize($s)); echo "Test B\n"; $b = new B(); $b->a = -1234; $b->b = &$b->a; var_dump(bin2hex($s = igbinary_serialize($b))); var_dump(igbinary_unserialize($s)); $z = new Z(); $z->a = null; $z->b = &$z->a; $s = igbinary_serialize($z); try { var_dump(igbinary_unserialize(str_replace('Z', 'A', $s))); } catch (TypeError $e) { echo $e->getMessage(), "\n"; } try { var_dump(igbinary_unserialize(str_replace('Z', 'B', $s))); } catch (TypeError $e) { echo $e->getMessage(), "\n"; } $z = new Z(); $z->a = 1; $z->b = &$z->a; $s = igbinary_serialize($z); try { var_dump(igbinary_unserialize(str_replace('Z', 'C', $s))); } catch (TypeError $e) { echo $e->getMessage(), "\n"; } $z = new Z(); $z->a = 'x'; $z->b = &$z->a; $s = igbinary_serialize($z); try { var_dump(igbinary_unserialize(str_replace('Z', 'C', $s))); } catch (TypeError $e) { echo $e->getMessage(), "\n"; } $z = new Z(); $z->a = 1; $z->b = &$z->a; $s = igbinary_serialize($z); try { var_dump(igbinary_unserialize(str_replace('Z', 'D', $s))); } catch (TypeError $e) { echo $e->getMessage(), "\n"; } /* try { var_dump(unserialize('O:1:"D":2:{s:1:"a";i:1;s:1:"b";R:2;}')); } catch (TypeError $e) { echo $e->getMessage(), "\n"; } */ ?> --EXPECT-- string(44) "000000021701411402110161250804d2110162250101" object(A)#2 (2) { ["a"]=> &int(1234) ["b"]=> &int(1234) } Test B string(44) "000000021701421402110161250904d2110162250101" object(B)#3 (2) { ["a"]=> &int(-1234) ["b"]=> &int(-1234) } Typed property A::$a must be int, null used Typed property B::$b must be int, null used Typed property C::$b must be string, int used Typed property C::$a must be int, string used Reference with value of type int held by property D::$a of type int is not compatible with property D::$b of type float