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<?php class A extends DOMDocument { const TEST = false; public function test() { var_dump(static::TEST); } } class B extends A { const TEST = true; public function test() { A::test(); parent::test(); } } $b = new B; $b->test();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/49E2v
function name:  (null)
number of ops:  6
compiled vars:  !0 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   22     0  E >   NEW                                              $1      'B'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   23     3        INIT_METHOD_CALL                                         !0, 'test'
          4        DO_FCALL                                      0          
          5      > RETURN                                                   1

Class A:
Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/49E2v
function name:  test
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   INIT_FCALL                                               'var_dump'
          1        FETCH_CLASS_CONSTANT                             ~0      'TEST'
          2        SEND_VAL                                                 ~0
          3        DO_ICALL                                                 
    9     4      > RETURN                                                   null

End of function test

End of class A.

Class B:
Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/49E2v
function name:  test
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   17     0  E >   INIT_STATIC_METHOD_CALL                                  'A', 'test'
          1        DO_FCALL                                      0          
   18     2        INIT_STATIC_METHOD_CALL                                  'test'
          3        DO_FCALL                                      0          
   19     4      > RETURN                                                   null

End of function test

End of class B.

Generated using Vulcan Logic Dumper, using php 8.0.0


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