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<?php $values = [1,2,3,1,6,1,23,2]; $diff = array_diff_assoc($values, array_unique($values)); $result = array_diff($values, $diff); var_dump($result);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/XM5sk
function name:  (null)
number of ops:  18
compiled vars:  !0 = $values, !1 = $diff, !2 = $result
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        INIT_FCALL                                               'array_diff_assoc'
          2        SEND_VAR                                                 !0
          3        INIT_FCALL                                               'array_unique'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $4      
          6        SEND_VAR                                                 $4
          7        DO_ICALL                                         $5      
          8        ASSIGN                                                   !1, $5
    5     9        INIT_FCALL                                               'array_diff'
         10        SEND_VAR                                                 !0
         11        SEND_VAR                                                 !1
         12        DO_ICALL                                         $7      
         13        ASSIGN                                                   !2, $7
    6    14        INIT_FCALL                                               'var_dump'
         15        SEND_VAR                                                 !2
         16        DO_ICALL                                                 
         17      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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