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

Generated using Vulcan Logic Dumper, using php 8.0.0


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