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<?php $array = [1, 63, 1, 12, 64, 12]; $new = []; foreach ($array as $value) { if (count(array_keys($array, $value)) == 1) { $new[] = $value; } } var_dump($new);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 14
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 14
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 11, Position 2 = 13
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 13
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 14
filename:       /in/G1DCg
function name:  (null)
number of ops:  19
compiled vars:  !0 = $array, !1 = $new, !2 = $value
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, ->14
          3    > > FE_FETCH_R                                               $5, !2, ->14
    7     4    >   INIT_FCALL                                               'array_keys'
          5        SEND_VAR                                                 !0
          6        SEND_VAR                                                 !2
          7        DO_ICALL                                         $6      
          8        COUNT                                            ~7      $6
          9        IS_EQUAL                                                 ~7, 1
         10      > JMPZ                                                     ~8, ->13
    8    11    >   ASSIGN_DIM                                               !1
         12        OP_DATA                                                  !2
    6    13    > > JMP                                                      ->3
         14    >   FE_FREE                                                  $5
   12    15        INIT_FCALL                                               'var_dump'
         16        SEND_VAR                                                 !1
         17        DO_ICALL                                                 
         18      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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146.62 ms | 1386 KiB | 17 Q