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<?php $array = range(1, 1000000); array_walk($array, function(&$item) { $item *= 2; }); print_r([$array[0], $array[999999]]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HLaG0
function name:  (null)
number of ops:  18
compiled vars:  !0 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'range'
          1        SEND_VAL                                                 1
          2        SEND_VAL                                                 1000000
          3        DO_ICALL                                         $1      
          4        ASSIGN                                                   !0, $1
    5     5        INIT_FCALL                                               'array_walk'
          6        SEND_REF                                                 !0
          7        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FHLaG0%3A5%240'
    7     8        SEND_VAL                                                 ~3
          9        DO_ICALL                                                 
    9    10        INIT_FCALL                                               'print_r'
         11        FETCH_DIM_R                                      ~5      !0, 0
         12        INIT_ARRAY                                       ~6      ~5
         13        FETCH_DIM_R                                      ~7      !0, 999999
         14        ADD_ARRAY_ELEMENT                                ~6      ~7
         15        SEND_VAL                                                 ~6
         16        DO_ICALL                                                 
         17      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FHLaG0%3A5%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HLaG0
function name:  {closure}
number of ops:  3
compiled vars:  !0 = $item
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   RECV                                             !0      
    6     1        ASSIGN_OP                                     3          !0, 2
    7     2      > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FHLaG0%3A5%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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