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<?php $a = [null => '000', 1 => '111' ]; var_dump($a[null]); $a[null] = 'null'; //var_dump($a[null]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GTj4u
function name:  (null)
number of ops:  8
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !0, <array>
    5     1        INIT_FCALL                                               'var_dump'
          2        FETCH_DIM_R                                      ~2      !0, null
          3        SEND_VAL                                                 ~2
          4        DO_ICALL                                                 
    7     5        ASSIGN_DIM                                               !0, null
          6        OP_DATA                                                  'null'
    9     7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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