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<?php class DataContainer implements IteratorAggregate { public $data; public function __construct(array $data) { $this->data = $data; } public function getIterator() { foreach ($this->data as $key => $value) { yield $key => $value; } } } $dataContainer = new DataContainer([1, 2, 3]); foreach ($dataContainer as $key => $value) { $value *= -1; $value->data[$key] = $value; } var_dump($dataContainer);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 6, Position 2 = 14
Branch analysis from position: 6
2 jumps found. (Code = 78) Position 1 = 7, Position 2 = 14
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 14
filename:       /in/MfYvW
function name:  (null)
number of ops:  19
compiled vars:  !0 = $dataContainer, !1 = $value, !2 = $key
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   DECLARE_CLASS                                            'datacontainer'
   16     1        NEW                                              $3      'DataContainer'
          2        SEND_VAL_EX                                              <array>
          3        DO_FCALL                                      0          
          4        ASSIGN                                                   !0, $3
   17     5      > FE_RESET_R                                       $6      !0, ->14
          6    > > FE_FETCH_R                                       ~7      $6, !1, ->14
          7    >   ASSIGN                                                   !2, ~7
   18     8        ASSIGN_OP                                     3          !1, -1
   19     9        QM_ASSIGN                                        ~12     !1
         10        FETCH_OBJ_W                                      $10     !1, 'data'
         11        ASSIGN_DIM                                               $10, !2
         12        OP_DATA                                                  ~12
   17    13      > JMP                                                      ->6
         14    >   FE_FREE                                                  $6
   22    15        INIT_FCALL                                               'var_dump'
         16        SEND_VAR                                                 !0
         17        DO_ICALL                                                 
         18      > RETURN                                                   1

Class DataContainer:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/MfYvW
function name:  __construct
number of ops:  4
compiled vars:  !0 = $data
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   RECV                                             !0      
    6     1        ASSIGN_OBJ                                               'data'
          2        OP_DATA                                                  !0
    7     3      > RETURN                                                   null

End of function __construct

Function getiterator:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 7
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 7
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 7
1 jumps found. (Code = 161) Position 1 = -2
Branch analysis from position: 7
filename:       /in/MfYvW
function name:  getIterator
number of ops:  9
compiled vars:  !0 = $value, !1 = $key
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   GENERATOR_CREATE                                         
   10     1        FETCH_OBJ_R                                      ~2      'data'
          2      > FE_RESET_R                                       $3      ~2, ->7
          3    > > FE_FETCH_R                                       ~4      $3, !0, ->7
          4    >   ASSIGN                                                   !1, ~4
   11     5        YIELD                                                    !0, !1
   10     6      > JMP                                                      ->3
          7    >   FE_FREE                                                  $3
   13     8      > GENERATOR_RETURN                                         

End of function getiterator

End of class DataContainer.

Generated using Vulcan Logic Dumper, using php 8.0.0


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