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<?php function myfuncByVal(stdClass $o) { $o->myproperty = "testByVal"; $o = null; } function myfuncByRef(stdClass &$o) { $o->myproperty = "testByRef"; $o = null; } $willPassByVal = new stdClass(); $willPassByRef = new stdClass(); myFuncByVal($willPassByVal); myFuncBYRef($willPassByRef); var_dump(compact('willPassByVal', 'willPassByRef'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5FciZ
function name:  (null)
number of ops:  20
compiled vars:  !0 = $willPassByVal, !1 = $willPassByRef
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   NEW                                              $2      'stdClass'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
   14     3        NEW                                              $5      'stdClass'
          4        DO_FCALL                                      0          
          5        ASSIGN                                                   !1, $5
   17     6        INIT_FCALL                                               'myfuncbyval'
          7        SEND_VAR                                                 !0
          8        DO_FCALL                                      0          
   18     9        INIT_FCALL                                               'myfuncbyref'
         10        SEND_REF                                                 !1
         11        DO_FCALL                                      0          
   21    12        INIT_FCALL                                               'var_dump'
         13        INIT_FCALL                                               'compact'
         14        SEND_VAL                                                 'willPassByVal'
         15        SEND_VAL                                                 'willPassByRef'
         16        DO_ICALL                                         $10     
         17        SEND_VAR                                                 $10
         18        DO_ICALL                                                 
         19      > RETURN                                                   1

Function myfuncbyval:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5FciZ
function name:  myfuncByVal
number of ops:  5
compiled vars:  !0 = $o
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1        ASSIGN_OBJ                                               !0, 'myproperty'
          2        OP_DATA                                                  'testByVal'
    5     3        ASSIGN                                                   !0, null
    6     4      > RETURN                                                   null

End of function myfuncbyval

Function myfuncbyref:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5FciZ
function name:  myfuncByRef
number of ops:  5
compiled vars:  !0 = $o
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   RECV                                             !0      
    9     1        ASSIGN_OBJ                                               !0, 'myproperty'
          2        OP_DATA                                                  'testByRef'
   10     3        ASSIGN                                                   !0, null
   11     4      > RETURN                                                   null

End of function myfuncbyref

Generated using Vulcan Logic Dumper, using php 8.0.0


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