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<?php $data =[1, 63, 1, 2, 2, 'a', 'b', '1', 'b']; $data = array_filter($data, function ($value) use ($data) { return !(array_count_values($data)[$value] > 1); }); print_r($data);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/eJSTY
function name:  (null)
number of ops:  12
compiled vars:  !0 = $data
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    4     1        INIT_FCALL                                               'array_filter'
          2        SEND_VAR                                                 !0
          3        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FeJSTY%3A4%240'
          4        BIND_LEXICAL                                             ~2, !0
    6     5        SEND_VAL                                                 ~2
          6        DO_ICALL                                         $3      
    4     7        ASSIGN                                                   !0, $3
    8     8        INIT_FCALL                                               'print_r'
          9        SEND_VAR                                                 !0
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FeJSTY%3A4%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/eJSTY
function name:  {closure}
number of ops:  10
compiled vars:  !0 = $value, !1 = $data
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
          1        BIND_STATIC                                              !1
    5     2        INIT_FCALL                                               'array_count_values'
          3        SEND_VAR                                                 !1
          4        DO_ICALL                                         $2      
          5        FETCH_DIM_R                                      ~3      $2, !0
          6        IS_SMALLER                                       ~4      1, ~3
          7        BOOL_NOT                                         ~5      ~4
          8      > RETURN                                                   ~5
    6     9*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FeJSTY%3A4%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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