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<?php $a='a:2:{s:4:"user";b:1;s:4:"pass";b:1;}'; $b=unserialize($a); echo ($b['user']=='a');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/WQAY1
function name:  (null)
number of ops:  9
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'a%3A2%3A%7Bs%3A4%3A%22user%22%3Bb%3A1%3Bs%3A4%3A%22pass%22%3Bb%3A1%3B%7D'
    4     1        INIT_FCALL                                               'unserialize'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $3      
          4        ASSIGN                                                   !1, $3
    6     5        FETCH_DIM_R                                      ~5      !1, 'user'
          6        IS_EQUAL                                         ~6      ~5, 'a'
          7        ECHO                                                     ~6
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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