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<?php $x = 10; function foo(){ $x = 20; echo $x; global $x; echo $GLOBALS['x']; echo $x; } foo(); echo $x; ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/MVMvO
function name:  (null)
number of ops:  5
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 10
   11     1        INIT_FCALL                                               'foo'
          2        DO_FCALL                                      0          
   12     3        ECHO                                                     !0
   13     4      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/MVMvO
function name:  foo
number of ops:  8
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   ASSIGN                                                   !0, 20
    6     1        ECHO                                                     !0
    7     2        BIND_GLOBAL                                              !0, 'x'
    8     3        FETCH_R                      global              ~2      'GLOBALS'
          4        FETCH_DIM_R                                      ~3      ~2, 'x'
          5        ECHO                                                     ~3
    9     6        ECHO                                                     !0
   10     7      > RETURN                                                   null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


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