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<?php $array = [ "2" => "abc", "3" => "aBc", "65" => "Abc", "ab" => "abc12", "lkT" => 2, 45 => "test", "This" => "is this", false => "abc012", " " => 22.22, ]; print_r($array); natcasesort($array); print_r($array);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4ZKVp
function name:  (null)
number of ops:  11
compiled vars:  !0 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
   14     1        INIT_FCALL                                               'print_r'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                                 
   15     4        INIT_FCALL                                               'natcasesort'
          5        SEND_REF                                                 !0
          6        DO_ICALL                                                 
   16     7        INIT_FCALL                                               'print_r'
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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