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<?php define("DEFAULT_STOCK_ID", "b"); $stocks = ["a" => 1, "b" => 3, "c" => 4]; $stocks = [$stocks[DEFAULT_STOCK_ID]] + $stocks; unset($stocks[DEFAULT_STOCK_ID]); var_dump($stocks);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/BvG6Z
function name:  (null)
number of ops:  16
compiled vars:  !0 = $stocks
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'define'
          1        SEND_VAL                                                 'DEFAULT_STOCK_ID'
          2        SEND_VAL                                                 'b'
          3        DO_ICALL                                                 
    4     4        ASSIGN                                                   !0, <array>
    5     5        FETCH_CONSTANT                                   ~3      'DEFAULT_STOCK_ID'
          6        FETCH_DIM_R                                      ~4      !0, ~3
          7        INIT_ARRAY                                       ~5      ~4
          8        ADD                                              ~6      ~5, !0
          9        ASSIGN                                                   !0, ~6
    6    10        FETCH_CONSTANT                                   ~8      'DEFAULT_STOCK_ID'
         11        UNSET_DIM                                                !0, ~8
    8    12        INIT_FCALL                                               'var_dump'
         13        SEND_VAR                                                 !0
         14        DO_ICALL                                                 
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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