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<?php class Bar { public function __toString() { return __CLASS__; } } class Foo { public function __toString() { return 3; } } var_dump((string) (new Foo()));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/PDCiM
function name:  (null)
number of ops:  9
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   DECLARE_CLASS                                            'bar'
   10     1        DECLARE_CLASS                                            'foo'
   16     2        INIT_FCALL                                               'var_dump'
          3        NEW                                              $0      'Foo'
          4        DO_FCALL                                      0          
          5        CAST                                          6  ~2      $0
          6        SEND_VAL                                                 ~2
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Class Bar:
Function __tostring:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/PDCiM
function name:  __toString
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E > > RETURN                                                   'Bar'
    7     1*       VERIFY_RETURN_TYPE                                       
          2*     > RETURN                                                   null

End of function __tostring

End of class Bar.

Class Foo:
Function __tostring:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/PDCiM
function name:  __toString
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   VERIFY_RETURN_TYPE                               ~0      3
          1      > RETURN                                                   ~0
   13     2*       VERIFY_RETURN_TYPE                                       
          3*     > RETURN                                                   null

End of function __tostring

End of class Foo.

Generated using Vulcan Logic Dumper, using php 8.0.0


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