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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:  11
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        INIT_FCALL                                               'preg_match'
          3        NEW                                              $0      'S'
          4        DO_FCALL                                      0          
          5        SEND_VAR                                                 $0
          6        SEND_VAL                                                 'a'
          7        DO_ICALL                                         $2      
          8        SEND_VAR                                                 $2
          9        DO_ICALL                                                 
         10      > 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 8.0.0


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