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<?php class A {} class B extends A {} class Foo { public function bar() : A {} } class Woo extends Foo { public function bar() : B {} } $w = new Woo();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/i79O5
function name:  (null)
number of ops:  4
compiled vars:  !0 = $w
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   NEW                                              $1      'Woo'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
          3      > RETURN                                                   1

Class A: [no user functions]
Class B: [no user functions]
Class Foo:
Function bar:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/i79O5
function name:  bar
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   VERIFY_RETURN_TYPE                                       
          1      > RETURN                                                   null

End of function bar

End of class Foo.

Class Woo:
Function bar:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/i79O5
function name:  bar
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   VERIFY_RETURN_TYPE                                       
          1      > RETURN                                                   null

End of function bar

End of class Woo.

Generated using Vulcan Logic Dumper, using php 8.0.0


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