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<?php $array_test['first']['two']['three'] = ($array_test['first']['two']['three'] ?? 0) + 10; var_export($array_test);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/26HWD
function name:  (null)
number of ops:  14
compiled vars:  !0 = $array_test
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   FETCH_DIM_IS                                         ~4      !0, 'first'
          1        FETCH_DIM_IS                                         ~5      ~4, 'two'
          2        FETCH_DIM_IS                                         ~6      ~5, 'three'
          3        COALESCE                                             ~7      ~6
          4        QM_ASSIGN                                            ~7      0
          5        ADD                                                  ~8      ~7, 10
          6        FETCH_DIM_W                                          $1      !0, 'first'
          7        FETCH_DIM_W                                          $2      $1, 'two'
          8        ASSIGN_DIM                                                   $2, 'three'
          9        OP_DATA                                                      ~8
    5    10        INIT_FCALL                                                   'var_export'
         11        SEND_VAR                                                     !0
         12        DO_ICALL                                                     
         13      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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