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<?php class Kitchen { private $yummy = 'cake'; } $sweetsThief = function & (Kitchen $kitchen) { return $kitchen->yummy; }; $kitchen = new Kitchen(); $sweetsThief = Closure::bind($sweetsThief, null, $kitchen); $cake = & $sweetsThief($kitchen); $cake = 'lie'; var_dump('the cake is a ' . $sweetsThief($kitchen));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/l6j8P
function name:  (null)
number of ops:  24
compiled vars:  !0 = $sweetsThief, !1 = $kitchen, !2 = $cake
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    8     0  E >   DECLARE_LAMBDA_FUNCTION                              ~3      [0]
          1        ASSIGN                                                       !0, ~3
   12     2        NEW                                                  $5      'Kitchen'
          3        DO_FCALL                                          0          
          4        ASSIGN                                                       !1, $5
   14     5        INIT_STATIC_METHOD_CALL                                      'Closure', 'bind'
          6        SEND_VAR                                                     !0
          7        SEND_VAL                                                     null
          8        SEND_VAR                                                     !1
          9        DO_FCALL                                          0  $8      
         10        ASSIGN                                                       !0, $8
   17    11        INIT_DYNAMIC_CALL                                            !0
         12        SEND_VAR_EX                                                  !1
         13        DO_FCALL                                          0  $10     
         14        ASSIGN_REF                                                   !2, $10
   19    15        ASSIGN                                                       !2, 'lie'
   21    16        INIT_FCALL                                                   'var_dump'
         17        INIT_DYNAMIC_CALL                                            !0
         18        SEND_VAR_EX                                                  !1
         19        DO_FCALL                                          0  $13     
         20        CONCAT                                               ~14     'the+cake+is+a+', $13
         21        SEND_VAL                                                     ~14
         22        DO_ICALL                                                     
         23      > RETURN                                                       1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
Return found
filename:       /in/l6j8P
function name:  {closure:/in/l6j8P:8}
number of ops:  4
compiled vars:  !0 = $kitchen
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    8     0  E >   RECV                                                 !0      
    9     1        FETCH_OBJ_W                                          $1      !0, 'yummy'
          2      > RETURN_BY_REF                                                $1
   10     3*     > RETURN_BY_REF                                                null

End of Dynamic Function 0

Class Kitchen: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.5.0


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162.2 ms | 3041 KiB | 14 Q