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<?php class Foo { public function test($foo = null) {} } class Foo extends Bar { public function test($foo) {} }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hRRiD
function name:  (null)
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   DECLARE_CLASS                                            'foo', 'bar'
    8     1      > RETURN                                                   1

Class Foo:
Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hRRiD
function name:  test
number of ops:  2
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV_INIT                                        !0      null
          1      > RETURN                                                   null

End of function test

End of class Foo.

Class Foo:
Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hRRiD
function name:  test
number of ops:  2
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   RECV                                             !0      
          1      > RETURN                                                   null

End of function test

End of class Foo.

Generated using Vulcan Logic Dumper, using php 8.0.0


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