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<?php class Foo { public static function bar() : self { return new self(); } } class Foo2 extends Foo {} var_dump(Foo2::bar()); var_dump(Foo2::bar());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/qqPtD
function name:  (null)
number of ops:  11
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_STATIC_METHOD_CALL                                  'Foo2', 'bar'
          2        DO_FCALL                                      0  $0      
          3        SEND_VAR                                                 $0
          4        DO_ICALL                                                 
   13     5        INIT_FCALL                                               'var_dump'
          6        INIT_STATIC_METHOD_CALL                                  'Foo2', 'bar'
          7        DO_FCALL                                      0  $2      
          8        SEND_VAR                                                 $2
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Class Foo:
Function bar:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/qqPtD
function name:  bar
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   NEW                          self                $0      
          1        DO_FCALL                                      0          
          2        VERIFY_RETURN_TYPE                                       $0
          3      > RETURN                                                   $0
    8     4*       VERIFY_RETURN_TYPE                                       
          5*     > RETURN                                                   null

End of function bar

End of class Foo.

Class Foo2:
Function bar:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/qqPtD
function name:  bar
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   NEW                          self                $0      
          1        DO_FCALL                                      0          
          2        VERIFY_RETURN_TYPE                                       $0
          3      > RETURN                                                   $0
    8     4*       VERIFY_RETURN_TYPE                                       
          5*     > RETURN                                                   null

End of function bar

End of class Foo2.

Generated using Vulcan Logic Dumper, using php 8.0.0


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