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<?php interface I { public function example($a, $b, $c); } class A implements I { public function example($a, $b = null, $c = null): int { } } class B extends A { public function example($a, $b, $c = null): string { } } ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/gl1Gt
function name:  (null)
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   DECLARE_CLASS                                            'a'
    9     1        DECLARE_CLASS                                            'b', 'a'
   13     2      > RETURN                                                   1

Class I:
Function example:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/gl1Gt
function name:  example
number of ops:  4
compiled vars:  !0 = $a, !1 = $b, !2 = $c
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        RECV                                             !2      
          3      > RETURN                                                   null

End of function example

End of class I.

Class A:
Function example:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/gl1Gt
function name:  example
number of ops:  5
compiled vars:  !0 = $a, !1 = $b, !2 = $c
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   RECV                                             !0      
          1        RECV_INIT                                        !1      null
          2        RECV_INIT                                        !2      null
          3        VERIFY_RETURN_TYPE                                       
          4      > RETURN                                                   null

End of function example

End of class A.

Class B:
Function example:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/gl1Gt
function name:  example
number of ops:  5
compiled vars:  !0 = $a, !1 = $b, !2 = $c
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        RECV_INIT                                        !2      null
          3        VERIFY_RETURN_TYPE                                       
          4      > RETURN                                                   null

End of function example

End of class B.

Generated using Vulcan Logic Dumper, using php 8.0.0


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