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<?php class Foo { public function __toString() { return '5.7'; } } $d = new Foo(); var_dump(version_compare($d, '5.7'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Vu7lc
function name:  (null)
number of ops:  12
compiled vars:  !0 = $d
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   DECLARE_CLASS                                            'foo'
    9     1        NEW                                              $1      'Foo'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $1
   11     4        INIT_FCALL                                               'var_dump'
          5        INIT_FCALL                                               'version_compare'
          6        SEND_VAR                                                 !0
          7        SEND_VAL                                                 '5.7'
          8        DO_ICALL                                         $4      
          9        SEND_VAR                                                 $4
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Class Foo:
Function __tostring:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Vu7lc
function name:  __toString
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E > > RETURN                                                   '5.7'
    6     1*       VERIFY_RETURN_TYPE                                       
          2*     > RETURN                                                   null

End of function __tostring

End of class Foo.

Generated using Vulcan Logic Dumper, using php 8.0.0


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