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--TEST--
__serialize() mechanism (014): Uninitialized properties can be serialized and unserialized
--SKIPIF--
<?php if (PHP_VERSION_ID < 80000) { echo "skip __serialize/__unserialize error message different in php < 8"; } ?>
--FILE--
<?php
class MyClass {
public stdClass $o;
public string $s;
public ?int $i;
}
// 00000002 -- header
// 17 07 4d79436c617373 -- object of type "MyClass"
// 14 03 000000 -- with 3 uninitialized properties
$m = new MyClass();
var_dump($m);
var_dump(bin2hex($s = igbinary_serialize($m)));
var_dump(igbinary_unserialize($s));
$m = new MyClass();
$m->o = new stdClass();
unset($m->o);
$m->s = 'other';
unset($m->s);
$m->i = 42;
unset($m->i);
// Should have the same serialized representation.
var_dump($m);
var_dump(bin2hex($s = igbinary_serialize($m)));
try {
$m->i = 'i';
} catch (TypeError $e) {
echo $e->getMessage() . "\n";
}
--EXPECT--
object(MyClass)#1 (0) {
["o"]=>
uninitialized(stdClass)
["s"]=>
uninitialized(string)
["i"]=>
uninitialized(?int)
}
string(36) "0000000217074d79436c6173731403000000"
object(MyClass)#2 (0) {
["o"]=>
uninitialized(stdClass)
["s"]=>
uninitialized(string)
["i"]=>
uninitialized(?int)
}
object(MyClass)#2 (0) {
["o"]=>
uninitialized(stdClass)
["s"]=>
uninitialized(string)
["i"]=>
uninitialized(?int)
}
string(36) "0000000217074d79436c6173731403000000"
Cannot assign string to property MyClass::$i of type ?int
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