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<?php function f(&$x) { $x = "a"; } f($u->a); var_dump($u->a);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/svNhk
function name:  (null)
number of ops:  9
compiled vars:  !0 = $u
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   INIT_FCALL                                               'f'
          1        FETCH_OBJ_W                                      $1      !0, 'a'
          2        SEND_REF                                                 $1
          3        DO_FCALL                                      0          
    6     4        INIT_FCALL                                               'var_dump'
          5        FETCH_OBJ_R                                      ~3      !0, 'a'
          6        SEND_VAL                                                 ~3
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Function f:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/svNhk
function name:  f
number of ops:  3
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
    3     1        ASSIGN                                                   !0, 'a'
    4     2      > RETURN                                                   null

End of function f

Generated using Vulcan Logic Dumper, using php 8.0.0


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