3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(unserialize('O:8:"stdClass":-1:{s:1:"1";i:2;}'));
Output for 7.0.0 - 7.1.0
Fatal error: Possible integer overflow in memory allocation (4294967295 * 32 + 32) in /in/rpDEZ on line 3
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0
Notice: Unable to unserialize: [O:8:"stdClass":-1:{s:1:"1";i:2;}]. Expected '}' but got 's'. in /in/rpDEZ on line 3 bool(false)
Output for 5.5.0 - 5.6.28
Notice: unserialize(): Error at offset 20 of 32 bytes in /in/rpDEZ on line 3 bool(false)
Output for 4.3.0 - 5.4.45
bool(false)