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<?php $array = ["subject" => "1"]; $json = json_encode($array); $decoded = json_decode($json); var_dump(isset($decoded->subjectj));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Y5dH4
function name:  (null)
number of ops:  14
compiled vars:  !0 = $array, !1 = $json, !2 = $decoded
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        INIT_FCALL                                               'json_encode'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $4      
          4        ASSIGN                                                   !1, $4
    5     5        INIT_FCALL                                               'json_decode'
          6        SEND_VAR                                                 !1
          7        DO_ICALL                                         $6      
          8        ASSIGN                                                   !2, $6
    7     9        INIT_FCALL                                               'var_dump'
         10        ISSET_ISEMPTY_PROP_OBJ                           ~8      !2, 'subjectj'
         11        SEND_VAL                                                 ~8
         12        DO_ICALL                                                 
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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