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<?php class Foo { public function baz(?Foo $foo = NULL) { } } class Bar extends Foo { public function baz(Foo $foo = NULL) { } }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Shl6Y
function name:  (null)
number of ops:  1
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   17     0  E > > RETURN                                                       1

Class Foo:
Function baz:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Shl6Y
function name:  baz
number of ops:  2
compiled vars:  !0 = $foo
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    5     0  E >   RECV_INIT                                            !0      null
    7     1      > RETURN                                                       null

End of function baz

End of class Foo.

Class Bar:
Function baz:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Shl6Y
function name:  baz
number of ops:  2
compiled vars:  !0 = $foo
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   13     0  E >   RECV_INIT                                            !0      null
   15     1      > RETURN                                                       null

End of function baz

End of class Bar.

Generated using Vulcan Logic Dumper, using php 8.5.0


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