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<?php function test() { var_dump(($GLOBALS)); } $a = "$GLOBALS"; var_dump(isset($$a)); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/DYK61
function name:  (null)
number of ops:  8
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   FETCH_R                      global              ~1      'GLOBALS'
          1        CAST                                          6  ~2      ~1
          2        ASSIGN                                                   !0, ~2
    7     3        INIT_FCALL                                               'var_dump'
          4        ISSET_ISEMPTY_VAR                             4  ~4      !0
          5        SEND_VAL                                                 ~4
          6        DO_ICALL                                                 
    8     7      > RETURN                                                   1

Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/DYK61
function name:  test
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   INIT_FCALL                                               'var_dump'
          1        FETCH_R                      global              ~0      'GLOBALS'
          2        SEND_VAL                                                 ~0
          3        DO_ICALL                                                 
    5     4      > RETURN                                                   null

End of function test

Generated using Vulcan Logic Dumper, using php 8.0.0


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