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<?php abstract class Base { protected function doit() { throw new \RuntimeException('Not implemented'); } } class Closed extends Base { protected function doit() { echo 'done!'; } } class Opener extends Base { public function execute(Closed $closed) { $closed->doit(); } } $closed = new Closed(); $opener = new Opener(); $opener->execute($closed);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0Q5WD
function name:  (null)
number of ops:  10
compiled vars:  !0 = $closed, !1 = $opener
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   27     0  E >   NEW                                                  $2      'Closed'
          1        DO_FCALL                                          0          
          2        ASSIGN                                                       !0, $2
   28     3        NEW                                                  $5      'Opener'
          4        DO_FCALL                                          0          
          5        ASSIGN                                                       !1, $5
   31     6        INIT_METHOD_CALL                                             !1, 'execute'
          7        SEND_VAR_EX                                                  !0
          8        DO_FCALL                                          0          
          9      > RETURN                                                       1

Class Base:
Function doit:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 108) Position 1 = -2
filename:       /in/0Q5WD
function name:  doit
number of ops:  5
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    7     0  E >   NEW                                                  $0      'RuntimeException'
          1        SEND_VAL_EX                                                  'Not+implemented'
          2        DO_FCALL                                          0          
          3      > THROW                                             0          $0
    8     4*     > RETURN                                                       null

End of function doit

End of class Base.

Class Closed:
Function doit:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0Q5WD
function name:  doit
number of ops:  2
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   15     0  E >   ECHO                                                         'done%21'
   16     1      > RETURN                                                       null

End of function doit

End of class Closed.

Class Opener:
Function execute:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0Q5WD
function name:  execute
number of ops:  4
compiled vars:  !0 = $closed
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   21     0  E >   RECV                                                 !0      
   23     1        INIT_METHOD_CALL                                             !0, 'doit'
          2        DO_FCALL                                          0          
   24     3      > RETURN                                                       null

End of function execute

Function doit:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 108) Position 1 = -2
filename:       /in/0Q5WD
function name:  doit
number of ops:  5
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    7     0  E >   NEW                                                  $0      'RuntimeException'
          1        SEND_VAL_EX                                                  'Not+implemented'
          2        DO_FCALL                                          0          
          3      > THROW                                             0          $0
    8     4*     > RETURN                                                       null

End of function doit

End of class Opener.

Generated using Vulcan Logic Dumper, using php 8.5.0


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