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<?php class Entity { protected $_properties = []; public function &__get($property) { $value = null; if (isset($this->_properties[$property])) { $value =& $this->_properties[$property]; } return $value; } public function __set($property, $value) { $this->_properties[$property] = $value; } } class CustomIterator extends IteratorIterator { public $callback; public function __construct($items) { $this->callback = function ($a) { $a->foo .= ' world'; return $a; }; parent::__construct($items); } public function current() { $c = $this->callback; return $c(parent::current()); } } $entity = new Entity(); $entity->foo = 'hello'; $it = new CustomIterator(new ArrayIterator([$entity])); $it->rewind(); var_dump($it->current());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/S3fTZ
function name:  (null)
number of ops:  21
compiled vars:  !0 = $entity, !1 = $it
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
  43     0  E >   NEW                                              $2      :37
         1        DO_FCALL                                      0          
         2        QM_ASSIGN                                                !0
  44     3        ASSIGN_SUB                                    8          !0, 'foo'
         4        OP_DATA                                                  'hello'
  46     5        NEW                                              $6      :31
         6        NEW                                              $7      :31
         7        INIT_ARRAY                                       ~8      !0
         8        SEND_VAL_EX                                              ~8
         9        DO_FCALL                                      0          
        10        SEND_VAR_NO_REF_EX                                       $7
        11        DO_FCALL                                      0          
        12        QM_ASSIGN                                                !1
  47    13        INIT_METHOD_CALL                                         !1, 'rewind'
        14        DO_FCALL                                      0          
  48    15        INIT_FCALL                                               'var_dump'
        16        INIT_METHOD_CALL                                         !1, 'current'
        17        DO_FCALL                                      0  $13     
        18        SEND_VAR                                                 $13
        19        DO_ICALL                                                 
        20      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FS3fTZ0x7fb5c767a227:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/S3fTZ
function name:  {closure}
number of ops:  5
compiled vars:  !0 = $a
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
  30     0  E >   RECV                                             !0      
  31     1        ASSIGN_SL                                     8          !0, 'foo'
         2        OP_DATA                                                  '+world'
  32     3      > RETURN                                                   !0
  33     4*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FS3fTZ0x7fb5c767a227

Class Entity:
Function __get:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 8
Branch analysis from position: 5
Return found
Branch analysis from position: 8
filename:       /in/S3fTZ
function name:  __get
number of ops:  10
compiled vars:  !0 = $property, !1 = $value
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   9     0  E >   RECV                                             !0      
  11     1        QM_ASSIGN                                                !1
  12     2        FETCH_OBJ_IS                                     ~3      '_properties'
         3        ISSET_ISEMPTY_DIM_OBJ                         0  ~4      ~3, !0
         4      > JMPZ                                                     ~4, ->8
  13     5    >   FETCH_OBJ_W                                      $5      '_properties'
         6        FETCH_DIM_W                                      $6      $5, !0
         7        ASSIGN_CONCAT                                 0          !1, $6
  16     8    > > RETURN_BY_REF                                            !1
  17     9*     > RETURN_BY_REF                                            null

End of function __get

Function __set:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/S3fTZ
function name:  __set
number of ops:  6
compiled vars:  !0 = $property, !1 = $value
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
  19     0  E >   RECV                                             !0      
         1        RECV                                             !1      
  21     2        FETCH_OBJ_W                                      $2      '_properties'
         3        ASSIGN_ADD                                    0          $2, !0
         4        OP_DATA                                                  !1
  22     5      > RETURN                                                   null

End of function __set

End of class Entity.

Class CustomIterator:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/S3fTZ
function name:  __construct
number of ops:  8
compiled vars:  !0 = $items
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
  29     0  E >   RECV                                             !0      
  30     1        RAISE_ABSTRACT_ERROR                             ~2      '%00%7Bclosure%7D%2Fin%2FS3fTZ0x7fb5c767a227'
         2        ASSIGN_SUB                                    0          'callback'
  33     3        OP_DATA                                                  ~2
  34     4        INIT_STATIC_METHOD_CALL                                  
         5        SEND_VAR_EX                                              !0
         6        DO_FCALL                                      0          
  35     7      > RETURN                                                   null

End of function __construct

Function current:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/S3fTZ
function name:  current
number of ops:  9
compiled vars:  !0 = $c
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
  38     0  E >   FETCH_OBJ_R                                      ~1      'callback'
         1        QM_ASSIGN                                                !0
  39     2        INIT_DYNAMIC_CALL                                        !0
         3        INIT_STATIC_METHOD_CALL                                  'current'
         4        DO_FCALL                                      0  $3      
         5        SEND_VAR_NO_REF_EX                                       $3
         6        DO_FCALL                                      0  $4      
         7      > RETURN                                                   $4
  40     8*     > RETURN                                                   null

End of function current

End of class CustomIterator.

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