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<?php class ByRef { protected $age; public function assignJustArgByRef(&$age) { $this->age = $age; } public function __toString() { return (string) $this->age; } } $age = 0; $ByRef = new ByRef(); $ByRef->assignJustArgByRef($age); $age++; echo (string) $ByRef;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/TLm28
function name:  (null)
number of ops:  12
compiled vars:  !0 = $age, !1 = $ByRef
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   DECLARE_CLASS                                            'byref'
   17     1        ASSIGN                                                   !0, 0
   18     2        NEW                                              $3      'ByRef'
          3        DO_FCALL                                      0          
          4        ASSIGN                                                   !1, $3
   20     5        INIT_METHOD_CALL                                         !1, 'assignJustArgByRef'
          6        SEND_VAR_EX                                              !0
          7        DO_FCALL                                      0          
   21     8        PRE_INC                                                  !0
   23     9        CAST                                          6  ~8      !1
         10        ECHO                                                     ~8
         11      > RETURN                                                   1

Class ByRef:
Function assignjustargbyref:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/TLm28
function name:  assignJustArgByRef
number of ops:  4
compiled vars:  !0 = $age
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   RECV                                             !0      
    8     1        ASSIGN_OBJ                                               'age'
          2        OP_DATA                                                  !0
    9     3      > RETURN                                                   null

End of function assignjustargbyref

Function __tostring:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/TLm28
function name:  __toString
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   FETCH_OBJ_R                                      ~0      'age'
          1        CAST                                          6  ~1      ~0
          2        VERIFY_RETURN_TYPE                                       ~1
          3      > RETURN                                                   ~1
   13     4*       VERIFY_RETURN_TYPE                                       
          5*     > RETURN                                                   null

End of function __tostring

End of class ByRef.

Generated using Vulcan Logic Dumper, using php 8.0.0


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