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<?php $array = ["600" => 0, "aaa" => 1]; ksort($array, SORT_REGULAR); var_dump($array); var_dump(array_key_first($array) <=> array_key_last($array));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/NUN7o
function name:  (null)
number of ops:  19
compiled vars:  !0 = $array
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                       !0, <array>
    5     1        INIT_FCALL                                                   'ksort'
          2        SEND_REF                                                     !0
          3        SEND_VAL                                                     0
          4        DO_ICALL                                                     
    6     5        INIT_FCALL                                                   'var_dump'
          6        SEND_VAR                                                     !0
          7        DO_ICALL                                                     
    7     8        INIT_FCALL                                                   'var_dump'
          9        INIT_FCALL                                                   'array_key_first'
         10        SEND_VAR                                                     !0
         11        DO_ICALL                                             $4      
         12        INIT_FCALL                                                   'array_key_last'
         13        SEND_VAR                                                     !0
         14        DO_ICALL                                             $5      
         15        SPACESHIP                                            ~6      $4, $5
         16        SEND_VAL                                                     ~6
         17        DO_ICALL                                                     
         18      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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