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<?php class A { public function who() { echo "A\n"; } } class B extends A { public function who() { echo "B\n"; } } var_dump(call_user_func(['B', 'parent::newInstance']));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kafoj
function name:  (null)
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_USER_CALL                                0          'call_user_func', <array>
          2        DO_FCALL                                      0  $0      
          3        SEND_VAR                                                 $0
          4        DO_ICALL                                                 
          5      > RETURN                                                   1

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

End of function who

End of class A.

Class B:
Function who:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kafoj
function name:  who
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   ECHO                                                     'B%0A'
          1      > RETURN                                                   null

End of function who

End of class B.

Generated using Vulcan Logic Dumper, using php 8.0.0


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