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<?php $test = array(); $test['one'] = 'two'; $false = false; var_dump($test['one'][false]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8TOMW
function name:  (null)
number of ops:  10
compiled vars:  !0 = $test, !1 = $false
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        ASSIGN_DIM                                               !0, 'one'
          2        OP_DATA                                                  'two'
    4     3        ASSIGN                                                   !1, <false>
    5     4        INIT_FCALL                                               'var_dump'
          5        FETCH_DIM_R                                      ~5      !0, 'one'
          6        FETCH_DIM_R                                      ~6      ~5, <false>
          7        SEND_VAL                                                 ~6
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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