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<?php $arr = ['' => 'empty', 0 => 'zero', 1 => 'one']; var_dump($arr[false]); var_dump($arr[true]); var_dump((string) false); var_dump($arr[1.1]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/TrG4u
function name:  (null)
number of ops:  18
compiled vars:  !0 = $arr
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, <array>
    5     1        INIT_FCALL                                                   'var_dump'
          2        FETCH_DIM_R                                          ~2      !0, <false>
          3        SEND_VAL                                                     ~2
          4        DO_ICALL                                                     
    6     5        INIT_FCALL                                                   'var_dump'
          6        FETCH_DIM_R                                          ~4      !0, <true>
          7        SEND_VAL                                                     ~4
          8        DO_ICALL                                                     
    8     9        INIT_FCALL                                                   'var_dump'
         10        CAST                                              6  ~6      <false>
         11        SEND_VAL                                                     ~6
         12        DO_ICALL                                                     
   10    13        INIT_FCALL                                                   'var_dump'
         14        FETCH_DIM_R                                          ~8      !0, 1.1
         15        SEND_VAL                                                     ~8
         16        DO_ICALL                                                     
         17      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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