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<?php $_SESSION['var'] = 1; function func1() { global $ref; global $nonRef; $ref = &$_SESSION['var']; $nonRef = $_SESSION['var']; } func1(); var_dump($_SESSION['var']); var_dump($ref); var_dump($nonRef);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/WGsD9
function name:  (null)
number of ops:  17
compiled vars:  !0 = $ref, !1 = $nonRef
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   3     0  E >   FETCH_W                      global              $2      '_SESSION'
         1        ASSIGN_ADD                                    0          $2, 'var'
         2        OP_DATA                                                  1
  11     3        INIT_FCALL                                               'func1'
         4        DO_FCALL                                      0          
  12     5        INIT_FCALL                                               'var_dump'
         6        FETCH_R                      global              ~5      '_SESSION'
         7        FETCH_DIM_R                                      ~6      ~5, 'var'
         8        SEND_VAL                                                 ~6
         9        DO_ICALL                                                 
  13    10        INIT_FCALL                                               'var_dump'
        11        SEND_VAR                                                 !0
        12        DO_ICALL                                                 
  14    13        INIT_FCALL                                               'var_dump'
        14        SEND_VAR                                                 !1
        15        DO_ICALL                                                 
        16      > RETURN                                                   1

Function func1:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/WGsD9
function name:  func1
number of ops:  9
compiled vars:  !0 = $ref, !1 = $nonRef
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   6     0  E >   BIND_GLOBAL                                              !0, 'ref'
   7     1        BIND_GLOBAL                                              !1, 'nonRef'
   8     2        FETCH_W                      global              $2      '_SESSION'
         3        FETCH_DIM_W                                      $3      $2, 'var'
         4        ASSIGN_CONCAT                                 0          !0, $3
   9     5        FETCH_R                      global              ~5      '_SESSION'
         6        FETCH_DIM_R                                      ~6      ~5, 'var'
         7        QM_ASSIGN                                                !1
  10     8      > RETURN                                                   null

End of function func1

Generated using Vulcan Logic Dumper, using php 8.0.0


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