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<?php $values = [10, 10, 5, 8]; $found = []; foreach ($values as $index => $value) { if (!isset($found[$value])) { $found[$value] = $index; } else { unset($values[$index], $values[$found[$value]]); } } var_export($values);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 15
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 15
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 11
Branch analysis from position: 8
1 jumps found. (Code = 42) Position 1 = 14
Branch analysis from position: 14
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 15
filename:       /in/7WFol
function name:  (null)
number of ops:  20
compiled vars:  !0 = $values, !1 = $found, !2 = $value, !3 = $index
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, ->15
          3    > > FE_FETCH_R                                           ~7      $6, !2, ->15
          4    >   ASSIGN                                                       !3, ~7
    7     5        ISSET_ISEMPTY_DIM_OBJ                             0  ~9      !1, !2
          6        BOOL_NOT                                             ~10     ~9
          7      > JMPZ                                                         ~10, ->11
    8     8    >   ASSIGN_DIM                                                   !1, !2
          9        OP_DATA                                                      !3
    7    10      > JMP                                                          ->14
   10    11    >   UNSET_DIM                                                    !0, !3
         12        FETCH_DIM_R                                          ~12     !1, !2
         13        UNSET_DIM                                                    !0, ~12
    6    14    > > JMP                                                          ->3
         15    >   FE_FREE                                                      $6
   13    16        INIT_FCALL                                                   'var_export'
         17        SEND_VAR                                                     !0
         18        DO_ICALL                                                     
         19      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
164.95 ms | 1995 KiB | 14 Q