3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(unserialize('O:8:"stdClass":0:{}')); var_dump(unserialize('O:11:"ArrayObject":0:{}'));
Output for 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 - 8.3.6
object(stdClass)#1 (0) { } Fatal error: Uncaught UnexpectedValueException: Incomplete or ill-typed serialization data in /in/3DTpK:4 Stack trace: #0 [internal function]: ArrayObject->__unserialize(Array) #1 /in/3DTpK(4): unserialize('O:11:"ArrayObje...') #2 {main} thrown in /in/3DTpK on line 4
Process exited with code 255.
Output for 7.3.32 - 7.3.33
object(stdClass)#1 (0) { } Warning: Erroneous data format for unserializing 'ArrayObject' in /in/3DTpK on line 4 bool(false)
Output for 5.4.29, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.5 - 7.2.33, 7.3.12 - 7.3.31
object(stdClass)#1 (0) { } Warning: Erroneous data format for unserializing 'ArrayObject' in /in/3DTpK on line 4 Notice: unserialize(): Error at offset 22 of 23 bytes in /in/3DTpK on line 4 bool(false)
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.28, 5.4.30 - 5.4.45, 5.5.24 - 5.5.35
object(stdClass)#1 (0) { } object(ArrayObject)#1 (1) { ["storage":"ArrayObject":private]=> array(0) { } }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
object(stdClass)#1 (0) { } object(ArrayObject)#1 (0) { }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
object(stdClass)(0) { } object(__PHP_Incomplete_Class)(1) { ["__PHP_Incomplete_Class_Name"]=> string(11) "arrayobject" }

preferences:
255.04 ms | 402 KiB | 313 Q