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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:  10
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        FRAMELESS_ICALL_1                trim                ~4      !0
          5        ECHO                                                         ~4
   15     6        FETCH_OBJ_R                                          ~5      !0, 'a'
          7        FRAMELESS_ICALL_1                trim                ~6      ~5
          8        ECHO                                                         ~6
          9      > 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 8.5.0


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