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<?php extract([ "abcdefg" => 'a', "\x7f" => 'b', "zxcvbn\x7f" => 'c' ]); var_dump(array_keys($GLOBALS));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ZC9ZA
function name:  (null)
number of ops:  11
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                                   'extract'
    4     1        SEND_VAL                                                     <array>
    3     2        DO_ICALL                                                     
    9     3        INIT_FCALL                                                   'var_dump'
          4        INIT_FCALL                                                   'array_keys'
          5        FETCH_GLOBALS                                        ~1      
          6        SEND_VAL                                                     ~1
          7        DO_ICALL                                             $2      
          8        SEND_VAR                                                     $2
          9        DO_ICALL                                                     
         10      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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