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<?php $a = false; $b = ''; $c = 0; $d = array(); var_dump(isset($a['x'])); var_dump($b['x']); var_dump($c['x']); var_dump($d['x']);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/g3kS6
function name:  (null)
number of ops:  21
compiled vars:  !0 = $a, !1 = $b, !2 = $c, !3 = $d
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <false>
    3     1        ASSIGN                                                   !1, ''
    4     2        ASSIGN                                                   !2, 0
    5     3        ASSIGN                                                   !3, <array>
    7     4        INIT_FCALL                                               'var_dump'
          5        ISSET_ISEMPTY_DIM_OBJ                         0  ~8      !0, 'x'
          6        SEND_VAL                                                 ~8
          7        DO_ICALL                                                 
    8     8        INIT_FCALL                                               'var_dump'
          9        FETCH_DIM_R                                      ~10     !1, 'x'
         10        SEND_VAL                                                 ~10
         11        DO_ICALL                                                 
    9    12        INIT_FCALL                                               'var_dump'
         13        FETCH_DIM_R                                      ~12     !2, 'x'
         14        SEND_VAL                                                 ~12
         15        DO_ICALL                                                 
   10    16        INIT_FCALL                                               'var_dump'
         17        FETCH_DIM_R                                      ~14     !3, 'x'
         18        SEND_VAL                                                 ~14
         19        DO_ICALL                                                 
         20      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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