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

Generated using Vulcan Logic Dumper, using php 8.0.0


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