3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r(unserialize('a:4:{i:0;s:4:"view";i:1;s:4:"book";i:2;s:4:"book";i:3;i:2;}'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/gDlTW
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    1     0  E >   INIT_FCALL                                               'print_r'
          1        INIT_FCALL                                               'unserialize'
          2        SEND_VAL                                                 'a%3A4%3A%7Bi%3A0%3Bs%3A4%3A%22view%22%3Bi%3A1%3Bs%3A4%3A%22book%22%3Bi%3A2%3Bs%3A4%3A%22book%22%3Bi%3A3%3Bi%3A2%3B%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:
155.3 ms | 1393 KiB | 17 Q