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<?php class A { public function foo($arg) {} } class B extends A { public function foo($arg = null) {} } class A2 { public function foo() {} } class B2 extends A2 { public function foo($arg = null) {} }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/6oIIF
function name:  (null)
number of ops:  1
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E > > RETURN                                                   1

Class A:
Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/6oIIF
function name:  foo
number of ops:  2
compiled vars:  !0 = $arg
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
          1      > RETURN                                                   null

End of function foo

End of class A.

Class B:
Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/6oIIF
function name:  foo
number of ops:  2
compiled vars:  !0 = $arg
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   RECV_INIT                                        !0      null
          1      > RETURN                                                   null

End of function foo

End of class B.

Class A2:
Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/6oIIF
function name:  foo
number of ops:  1
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E > > RETURN                                                   null

End of function foo

End of class A2.

Class B2:
Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/6oIIF
function name:  foo
number of ops:  2
compiled vars:  !0 = $arg
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   14     0  E >   RECV_INIT                                        !0      null
          1      > RETURN                                                   null

End of function foo

End of class B2.

Generated using Vulcan Logic Dumper, using php 8.0.0


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