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<?php $array = [ ['user_id' => 82, 'ac_type' => 1], ['user_id' => 80, 'ac_type' => 5], ['user_id' => 76, 'ac_type' => 1], ['user_id' => 82, 'ac_type' => 2], ['user_id' => 80, 'ac_type' => 6] ]; $result = []; foreach (array_reverse($array) as $row) { $result[$row['user_id']] = $row; } var_export(array_values($result));
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 6, Position 2 = 11
Branch analysis from position: 6
2 jumps found. (Code = 78) Position 1 = 7, Position 2 = 11
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 11
filename:       /in/ACluD
function name:  (null)
number of ops:  19
compiled vars:  !0 = $array, !1 = $result, !2 = $row
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, <array>
   11     1        ASSIGN                                                       !1, <array>
   12     2        INIT_FCALL                                                   'array_reverse'
          3        SEND_VAR                                                     !0
          4        DO_ICALL                                             $5      
          5      > FE_RESET_R                                           $6      $5, ->11
          6    > > FE_FETCH_R                                                   $6, !2, ->11
   13     7    >   FETCH_DIM_R                                          ~7      !2, 'user_id'
          8        ASSIGN_DIM                                                   !1, ~7
          9        OP_DATA                                                      !2
   12    10      > JMP                                                          ->6
         11    >   FE_FREE                                                      $6
   15    12        INIT_FCALL                                                   'var_export'
         13        INIT_FCALL                                                   'array_values'
         14        SEND_VAR                                                     !1
         15        DO_ICALL                                             $9      
         16        SEND_VAR                                                     $9
         17        DO_ICALL                                                     
         18      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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