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<?php class S { public function __toString() { return '/a/'; } } var_dump(preg_match(new S(), 'a'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KEAdq
function name:  (null)
number of ops:  8
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   DECLARE_CLASS                                                's'
    5     1        INIT_FCALL                                                   'var_dump'
          2        NEW                                                  $0      'S'
          3        DO_FCALL                                          0          
          4        FRAMELESS_ICALL_2                preg_match          ~2      $0, 'a'
          5        SEND_VAL                                                     ~2
          6        DO_ICALL                                                     
          7      > RETURN                                                       1

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

End of function __tostring

End of class S.

Generated using Vulcan Logic Dumper, using php 8.5.0


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