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<?php class Foo { public function __toString() { return '42'; } public function asInt(): int { return $this; } } var_dump((new Foo)->asInt());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/UeRYn
function name:  (null)
number of ops:  9
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   DECLARE_CLASS                                            'foo'
   16     1        INIT_FCALL                                               'var_dump'
          2        NEW                                              $0      'Foo'
          3        DO_FCALL                                      0          
          4        INIT_METHOD_CALL                                         $0, 'asInt'
          5        DO_FCALL                                      0  $2      
          6        SEND_VAR                                                 $2
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Class Foo:
Function __tostring:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/UeRYn
function name:  __toString
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E > > RETURN                                                   '42'
    8     1*       VERIFY_RETURN_TYPE                                       
          2*     > RETURN                                                   null

End of function __tostring

Function asint:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/UeRYn
function name:  asInt
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   FETCH_THIS                                       ~0      
          1        VERIFY_RETURN_TYPE                                       ~0
          2      > RETURN                                                   ~0
   13     3*       VERIFY_RETURN_TYPE                                       
          4*     > RETURN                                                   null

End of function asint

End of class Foo.

Generated using Vulcan Logic Dumper, using php 8.0.0


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