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<?php abstract class A { protected abstract function foo(); public function test() { $this->foo(); } } class B extends A { protected function foo() {} } (new B)->test();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KCEMt
function name:  (null)
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   NEW                                              $0      'B'
          1        DO_FCALL                                      0          
          2        INIT_METHOD_CALL                                         $0, 'test'
          3        DO_FCALL                                      0          
          4      > RETURN                                                   1

Class A:
Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KCEMt
function name:  foo
number of ops:  1
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E > > RETURN                                                   null

End of function foo

Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KCEMt
function name:  test
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   INIT_METHOD_CALL                                         'foo'
          1        DO_FCALL                                      0          
          2      > RETURN                                                   null

End of function test

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/KCEMt
function name:  foo
number of ops:  1
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E > > RETURN                                                   null

End of function foo

Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KCEMt
function name:  test
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   INIT_METHOD_CALL                                         'foo'
          1        DO_FCALL                                      0          
          2      > RETURN                                                   null

End of function test

End of class B.

Generated using Vulcan Logic Dumper, using php 8.0.0


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