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<?php class a { protected $a = 10; protected $c;} class b { protected $b; public function setA($a){$this->b = $a;return $this;}} var_dump(unserialize(serialize((new b)->setA(new a)), [true]));
Output for 7.0.0 - 7.0.31, 7.1.0 - 7.1.23, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 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
object(b)#1 (1) { ["b":protected]=> object(a)#2 (2) { ["a":protected]=> int(10) ["c":protected]=> NULL } }
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 object(b)#1 (1) { ["b":protected]=> object(a)#2 (2) { ["a":protected]=> int(10) ["c":protected]=> NULL } }
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
Warning: unserialize() expects exactly 1 parameter, 2 given in /in/G1dIO on line 7 bool(false)

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241.61 ms | 402 KiB | 286 Q