3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(unserialize('a:4:{s:11:"duplication";s:5:"Email";s:17:"extraction_fields";a:5:{i:1;s:9:"FirstName";i:2;s:8:"LastName";i:4;s:5:"Email";i:10;s:11:"__skipField";i:11;s:11:"__skipField";}s:13:"custom_fields";a:0:{}s:12:"magic_fields";a:0:{}}'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/BMdXl
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'unserialize'
          2        SEND_VAL                                                 'a%3A4%3A%7Bs%3A11%3A%22duplication%22%3Bs%3A5%3A%22Email%22%3Bs%3A17%3A%22extraction_fields%22%3Ba%3A5%3A%7Bi%3A1%3Bs%3A9%3A%22FirstName%22%3Bi%3A2%3Bs%3A8%3A%22LastName%22%3Bi%3A4%3Bs%3A5%3A%22Email%22%3Bi%3A10%3Bs%3A11%3A%22__skipField%22%3Bi%3A11%3Bs%3A11%3A%22__skipField%22%3B%7Ds%3A13%3A%22custom_fields%22%3Ba%3A0%3A%7B%7Ds%3A12%3A%22magic_fields%22%3Ba%3A0%3A%7B%7D%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:
158.12 ms | 1394 KiB | 17 Q