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<?php $arr1 = [ ['email' => 'aa@gmail.com', 'name' => 'John Doe'], ['email' => 'bb@gmail.com', 'name' => 'Johnny Sins'], ['email' => 'cc@gmail.com', 'name' => 'Jose Alvarado'] ]; $arr2 = [ ['email' => 'cc@gmail.com', 'country' => 'Japan'], ['email' => 'cc@gmail.com', 'country' => 'China'], ['email' => 'bb@gmail.com', 'country' => 'Korea'], ]; $result = array_column($arr1, null, 'email'); $counts = array_count_values(array_column($arr2, 'email')); foreach ($arr2 as $row) { if ($counts[$row['email']] > 1) { unset($result[$row['email']]); } else { $result[$row['email']] += $row; } } var_export(array_values($result));
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 17, Position 2 = 29
Branch analysis from position: 17
2 jumps found. (Code = 78) Position 1 = 18, Position 2 = 29
Branch analysis from position: 18
2 jumps found. (Code = 43) Position 1 = 22, Position 2 = 25
Branch analysis from position: 22
1 jumps found. (Code = 42) Position 1 = 28
Branch analysis from position: 28
1 jumps found. (Code = 42) Position 1 = 17
Branch analysis from position: 17
Branch analysis from position: 25
1 jumps found. (Code = 42) Position 1 = 17
Branch analysis from position: 17
Branch analysis from position: 29
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 29
filename:       /in/7IAv6
function name:  (null)
number of ops:  37
compiled vars:  !0 = $arr1, !1 = $arr2, !2 = $result, !3 = $counts, !4 = $row
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, <array>
    9     1        ASSIGN                                                       !1, <array>
   15     2        INIT_FCALL                                                   'array_column'
          3        SEND_VAR                                                     !0
          4        SEND_VAL                                                     null
          5        SEND_VAL                                                     'email'
          6        DO_ICALL                                             $7      
          7        ASSIGN                                                       !2, $7
   16     8        INIT_FCALL                                                   'array_count_values'
          9        INIT_FCALL                                                   'array_column'
         10        SEND_VAR                                                     !1
         11        SEND_VAL                                                     'email'
         12        DO_ICALL                                             $9      
         13        SEND_VAR                                                     $9
         14        DO_ICALL                                             $10     
         15        ASSIGN                                                       !3, $10
   17    16      > FE_RESET_R                                           $12     !1, ->29
         17    > > FE_FETCH_R                                                   $12, !4, ->29
   18    18    >   FETCH_DIM_R                                          ~13     !4, 'email'
         19        FETCH_DIM_R                                          ~14     !3, ~13
         20        IS_SMALLER                                                   1, ~14
         21      > JMPZ                                                         ~15, ->25
   19    22    >   FETCH_DIM_R                                          ~16     !4, 'email'
         23        UNSET_DIM                                                    !2, ~16
   18    24      > JMP                                                          ->28
   21    25    >   FETCH_DIM_R                                          ~17     !4, 'email'
         26        ASSIGN_DIM_OP                    +=               1          !2, ~17
         27        OP_DATA                                                      !4
   17    28    > > JMP                                                          ->17
         29    >   FE_FREE                                                      $12
   24    30        INIT_FCALL                                                   'var_export'
         31        INIT_FCALL                                                   'array_values'
         32        SEND_VAR                                                     !2
         33        DO_ICALL                                             $19     
         34        SEND_VAR                                                     $19
         35        DO_ICALL                                                     
         36      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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163.78 ms | 1788 KiB | 17 Q