3v4l.org

run code in 500+ PHP versions simultaneously
<?php final class B {} class_alias(B::class, 'a'); $serializedInstanceOfA = 'O:1:"a":0:{}'; var_dump(unserialize($serializedInstanceOfA));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/1n1as
function name:  (null)
number of ops:  12
compiled vars:  !0 = $serializedInstanceOfA
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    5     0  E >   INIT_FCALL                                                   'class_alias'
          1        SEND_VAL                                                     'B'
          2        SEND_VAL                                                     'a'
          3        DO_ICALL                                                     
    7     4        ASSIGN                                                       !0, 'O%3A1%3A%22a%22%3A0%3A%7B%7D'
    9     5        INIT_FCALL                                                   'var_dump'
          6        INIT_FCALL                                                   'unserialize'
          7        SEND_VAR                                                     !0
          8        DO_ICALL                                             $3      
          9        SEND_VAR                                                     $3
         10        DO_ICALL                                                     
         11      > RETURN                                                       1

Class B: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
159.49 ms | 1584 KiB | 16 Q