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<?php $array=[[8,9,7],[7,8,9,33,21],[11,12,33,21,9,31]]; $unique=array_unique(array_merge(...$array)); sort($unique); var_export($unique);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Ui68t
function name:  (null)
number of ops:  16
compiled vars:  !0 = $array, !1 = $unique
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        INIT_FCALL                                               'array_unique'
          2        INIT_FCALL                                               'array_merge'
          3        SEND_UNPACK                                              !0
          4        CHECK_UNDEF_ARGS                                         
          5        DO_ICALL                                         $3      
          6        SEND_VAR                                                 $3
          7        DO_ICALL                                         $4      
          8        ASSIGN                                                   !1, $4
    4     9        INIT_FCALL                                               'sort'
         10        SEND_REF                                                 !1
         11        DO_ICALL                                                 
    5    12        INIT_FCALL                                               'var_export'
         13        SEND_VAR                                                 !1
         14        DO_ICALL                                                 
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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