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<?php trait T { protected abstract function foo(); public function bar() { return $this->foo() * 100; } } class A { use T; //protected function foo() { return 42; } } $a = new A(); var_dump($a->bar());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ksFcq
function name:  (null)
number of ops:  10
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   DECLARE_CLASS                                            'a'
   15     1        NEW                                              $1      'A'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $1
   16     4        INIT_FCALL                                               'var_dump'
          5        INIT_METHOD_CALL                                         !0, 'bar'
          6        DO_FCALL                                      0  $4      
          7        SEND_VAR                                                 $4
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

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

End of function foo

Function bar:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ksFcq
function name:  bar
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   INIT_METHOD_CALL                                         'foo'
          1        DO_FCALL                                      0  $0      
          2        MUL                                              ~1      $0, 100
          3      > RETURN                                                   ~1
    7     4*     > RETURN                                                   null

End of function bar

End of class T.

Class A: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


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