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<?php //Source https://bugs.php.net/bug.php?id=60701 class A { public $a; public function __toString() { $this->a = $this; return 'waa?'; } } $a = new A; echo trim($a); echo trim($a->a);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/tdvEX
function name:  (null)
number of ops:  14
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   DECLARE_CLASS                                            'a'
   13     1        NEW                                              $1      'A'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $1
   14     4        INIT_FCALL                                               'trim'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $4      
          7        ECHO                                                     $4
   15     8        INIT_FCALL                                               'trim'
          9        FETCH_OBJ_R                                      ~5      !0, 'a'
         10        SEND_VAL                                                 ~5
         11        DO_ICALL                                         $6      
         12        ECHO                                                     $6
         13      > RETURN                                                   1

Class A:
Function __tostring:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/tdvEX
function name:  __toString
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   FETCH_THIS                                       ~1      
          1        ASSIGN_OBJ                                               'a'
          2        OP_DATA                                                  ~1
    9     3      > RETURN                                                   'waa%3F'
   10     4*       VERIFY_RETURN_TYPE                                       
          5*     > RETURN                                                   null

End of function __tostring

End of class A.

Generated using Vulcan Logic Dumper, using php 8.0.0


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