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<? define('SPIDERMAN','peter parker'); function foo () { $x = 'spiderman is ' . SPIDERMAN; return $x; } var_dump(foo());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/nfiON
function name:  (null)
number of ops:  10
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'define'
          1        SEND_VAL                                                 'SPIDERMAN'
          2        SEND_VAL                                                 'peter+parker'
          3        DO_ICALL                                                 
    9     4        INIT_FCALL                                               'var_dump'
          5        INIT_FCALL                                               'foo'
          6        DO_FCALL                                      0  $1      
          7        SEND_VAR                                                 $1
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/nfiON
function name:  foo
number of ops:  5
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   FETCH_CONSTANT                                   ~1      'SPIDERMAN'
          1        CONCAT                                           ~2      'spiderman+is+', ~1
          2        ASSIGN                                                   !0, ~2
    6     3      > RETURN                                                   !0
    7     4*     > RETURN                                                   null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


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