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<?php var_dump((0)['foobar']); var_dump((null)['foobar']); var_dump(''['foobar']); var_dump(''['']); var_dump(null['foobar']);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Y4iLB
function name:  (null)
number of ops:  21
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        FETCH_DIM_R                                      ~0      0, 'foobar'
          2        SEND_VAL                                                 ~0
          3        DO_ICALL                                                 
    4     4        INIT_FCALL                                               'var_dump'
          5        FETCH_DIM_R                                      ~2      null, 'foobar'
          6        SEND_VAL                                                 ~2
          7        DO_ICALL                                                 
    5     8        INIT_FCALL                                               'var_dump'
          9        FETCH_DIM_R                                      ~4      '', 'foobar'
         10        SEND_VAL                                                 ~4
         11        DO_ICALL                                                 
    6    12        INIT_FCALL                                               'var_dump'
         13        FETCH_DIM_R                                      ~6      '', ''
         14        SEND_VAL                                                 ~6
         15        DO_ICALL                                                 
    7    16        INIT_FCALL                                               'var_dump'
         17        FETCH_DIM_R                                      ~8      null, 'foobar'
         18        SEND_VAL                                                 ~8
         19        DO_ICALL                                                 
         20      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
154.77 ms | 1386 KiB | 15 Q