3v4l.org

run code in 300+ PHP versions simultaneously
<?php //Source: https://bugs.php.net/bug.php?id=68044 var_dump(unserialize('C:3:"GMP":18446744075857035259:{}'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/VMjHd
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'unserialize'
          2        SEND_VAL                                                 'C%3A3%3A%22GMP%22%3A18446744075857035259%3A%7B%7D'
          3        DO_ICALL                                         $0      
          4        SEND_VAR                                                 $0
          5        DO_ICALL                                                 
          6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
154.15 ms | 1385 KiB | 17 Q