3v4l.org

run code in 300+ PHP versions simultaneously
<?php class C {} class D extends C {} $c = serialize(new C); $d = serialize(new D); var_dump(unserialize($c, ["allowed_classes" => ["C"]])); var_dump(unserialize($c, ["allowed_classes" => ["D"]])); var_dump(unserialize($d, ["allowed_classes" => ["C"]])); var_dump(unserialize($d, ["allowed_classes" => ["D"]]));
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
object(C)#1 (0) { } object(__PHP_Incomplete_Class)#1 (1) { ["__PHP_Incomplete_Class_Name"]=> string(1) "C" } object(__PHP_Incomplete_Class)#1 (1) { ["__PHP_Incomplete_Class_Name"]=> string(1) "D" } object(D)#1 (0) { }
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Warning: unserialize() expects exactly 1 parameter, 2 given in /in/3HGAJ on line 9 bool(false) Warning: unserialize() expects exactly 1 parameter, 2 given in /in/3HGAJ on line 10 bool(false) Warning: unserialize() expects exactly 1 parameter, 2 given in /in/3HGAJ on line 11 bool(false) Warning: unserialize() expects exactly 1 parameter, 2 given in /in/3HGAJ on line 12 bool(false)
preferences:
281.07 ms | 403 KiB | 378 Q