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<?php $data = array( array('id' => 1, 'name' => 'John Snow', 'score' => 80), array('id' => 2, 'name' => 'John Fire', 'score' => 50), array('id' => 3, 'name' => 'John Water', 'score' => 79), array('id' => 4, 'name' => 'John Leaf', 'score' => 80), ); $scores = array(); foreach ($data as $v) $scores[$v['score']] = 1; // sort by keys krsort($scores); // assign proper ranks to each score $rank = 1; foreach ($scores as &$v) $v = $rank++; // assign ranks foreach ($data as &$v) $v['rank'] = $scores[$v['score']]; print_r($data);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 8
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 8
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 8
2 jumps found. (Code = 125) Position 1 = 14, Position 2 = 18
Branch analysis from position: 14
2 jumps found. (Code = 126) Position 1 = 15, Position 2 = 18
Branch analysis from position: 15
1 jumps found. (Code = 42) Position 1 = 14
Branch analysis from position: 14
Branch analysis from position: 18
2 jumps found. (Code = 125) Position 1 = 20, Position 2 = 26
Branch analysis from position: 20
2 jumps found. (Code = 126) Position 1 = 21, Position 2 = 26
Branch analysis from position: 21
1 jumps found. (Code = 42) Position 1 = 20
Branch analysis from position: 20
Branch analysis from position: 26
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 26
Branch analysis from position: 18
Branch analysis from position: 8
filename:       /in/16Q2f
function name:  (null)
number of ops:  31
compiled vars:  !0 = $data, !1 = $scores, !2 = $v, !3 = $rank
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
   10     1        ASSIGN                                                   !1, <array>
   11     2      > FE_RESET_R                                       $6      !0, ->8
          3    > > FE_FETCH_R                                               $6, !2, ->8
   12     4    >   FETCH_DIM_R                                      ~7      !2, 'score'
          5        ASSIGN_DIM                                               !1, ~7
          6        OP_DATA                                                  1
   11     7      > JMP                                                      ->3
          8    >   FE_FREE                                                  $6
   15     9        INIT_FCALL                                               'krsort'
         10        SEND_REF                                                 !1
         11        DO_ICALL                                                 
   18    12        ASSIGN                                                   !3, 1
   19    13      > FE_RESET_RW                                      $11     !1, ->18
         14    > > FE_FETCH_RW                                              $11, !2, ->18
   20    15    >   POST_INC                                         ~12     !3
         16        ASSIGN                                                   !2, ~12
   19    17      > JMP                                                      ->14
         18    >   FE_FREE                                                  $11
   23    19      > FE_RESET_RW                                      $14     !0, ->26
         20    > > FE_FETCH_RW                                              $14, !2, ->26
   24    21    >   FETCH_DIM_R                                      ~16     !2, 'score'
         22        FETCH_DIM_R                                      ~17     !1, ~16
         23        ASSIGN_DIM                                               !2, 'rank'
         24        OP_DATA                                                  ~17
   23    25      > JMP                                                      ->20
         26    >   FE_FREE                                                  $14
   26    27        INIT_FCALL                                               'print_r'
         28        SEND_VAR                                                 !0
         29        DO_ICALL                                                 
         30      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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