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<?php $array = [2, 3, 5]; $result = []; foreach ($array as $result[$v * $v][$v] => $v); var_export($result);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 9
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 9
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
filename:       /in/hkhFD
function name:  (null)
number of ops:  14
compiled vars:  !0 = $array, !1 = $result, !2 = $v
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1        ASSIGN                                                   !1, <array>
    6     2      > FE_RESET_R                                       $5      !0, ->9
          3    > > FE_FETCH_R                                       ~6      $5, !2, ->9
          4    >   MUL                                              ~7      !2, !2
          5        FETCH_DIM_W                                      $8      !1, ~7
          6        ASSIGN_DIM                                               $8, !2
          7        OP_DATA                                                  ~6
          8      > JMP                                                      ->3
          9    >   FE_FREE                                                  $5
    7    10        INIT_FCALL                                               'var_export'
         11        SEND_VAR                                                 !1
         12        DO_ICALL                                                 
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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141.05 ms | 1001 KiB | 14 Q