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<?php class A { public function something() { // important logic $this->onSomethingHook(); // more important logic } } class B extends A { protected function onSomethingHook() { // Custom logic here, which will be called from class A echo 'Hello'; } } $b = new B; $b->something();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hOEuO
function name:  (null)
number of ops:  6
compiled vars:  !0 = $b
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   18     0  E >   NEW                                                  $1      'B'
          1        DO_FCALL                                          0          
          2        ASSIGN                                                       !0, $1
   19     3        INIT_METHOD_CALL                                             !0, 'something'
          4        DO_FCALL                                          0          
          5      > RETURN                                                       1

Class A:
Function something:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hOEuO
function name:  something
number of ops:  3
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    6     0  E >   INIT_METHOD_CALL                                             'onSomethingHook'
          1        DO_FCALL                                          0          
    8     2      > RETURN                                                       null

End of function something

End of class A.

Class B:
Function onsomethinghook:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hOEuO
function name:  onSomethingHook
number of ops:  2
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   14     0  E >   ECHO                                                         'Hello'
   15     1      > RETURN                                                       null

End of function onsomethinghook

Function something:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hOEuO
function name:  something
number of ops:  3
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    6     0  E >   INIT_METHOD_CALL                                             'onSomethingHook'
          1        DO_FCALL                                          0          
    8     2      > RETURN                                                       null

End of function something

End of class B.

Generated using Vulcan Logic Dumper, using php 8.5.0


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