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<?php declare(strict_types=1); class Foo { protected $foo = 123; } class Bar {} $foo = new Foo(); $serializedFoo = serialize($foo); $unserializedFoo = unserialize($serializedFoo, ['allowed_classes' => [Bar::class]]); var_dump($serializedFoo, $unserializedFoo);
Output for 7.1.6, 7.3.24 - 7.3.33, 7.4.12 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
string(33) "O:3:"Foo":1:{s:6:"*foo";i:123;}" object(__PHP_Incomplete_Class)#2 (2) { ["__PHP_Incomplete_Class_Name"]=> string(3) "Foo" ["foo":protected]=> int(123) }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 string(33) "O:3:"Foo":1:{s:6:"*foo";i:123;}" object(__PHP_Incomplete_Class)#2 (2) { ["__PHP_Incomplete_Class_Name"]=> string(3) "Foo" ["foo":protected]=> int(123) }
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102.31 ms | 402 KiB | 119 Q