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<?php $arry= array("1"=>"20", "2"=>"20", "3"=>"30", "4"=>"40", "5"=>"20"); $results = array(); foreach($arry as $key=>$value) { $results[$value][] = $key; } var_dump($results);
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/4Cmh4
function name:  (null)
number of ops:  14
compiled vars:  !0 = $arry, !1 = $results, !2 = $value, !3 = $key
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                                       $6      !0, ->9
          3    > > FE_FETCH_R                                       ~7      $6, !2, ->9
          4    >   ASSIGN                                                   !3, ~7
    7     5        FETCH_DIM_W                                      $9      !1, !2
          6        ASSIGN_DIM                                               $9
          7        OP_DATA                                                  !3
    6     8      > JMP                                                      ->3
          9    >   FE_FREE                                                  $6
   10    10        INIT_FCALL                                               'var_dump'
         11        SEND_VAR                                                 !1
         12        DO_ICALL                                                 
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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