3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'O:12:"phpinfo();/*":0:{}'; var_export(unserialize($a)); //eval('$b = ' . var_export(unserialize($a), true) . ';');
Output for 8.3.0 - 8.3.6
Warning: unserialize(): Error at offset 0 of 24 bytes in /in/8RmnO on line 4 false
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Notice: unserialize(): Error at offset 0 of 24 bytes in /in/8RmnO on line 4 false
Output for 4.3.11, 4.4.0 - 4.4.9, 5.0.4 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: unserialize(): Error at offset 13 of 24 bytes in /in/8RmnO on line 4 false
Output for 7.3.32 - 7.3.33
false
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/8RmnO on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.3
class __PHP_Incomplete_Class { public $__PHP_Incomplete_Class_Name = 'phpinfo();/*'; }
Output for 4.3.0 - 4.3.10
class __PHP_Incomplete_Class { var $__PHP_Incomplete_Class_Name = 'phpinfo();/*'; }

preferences:
290.72 ms | 401 KiB | 423 Q