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<?php class XmlArrayAccessIterator implements ArrayAccess, IteratorAggregate { private $xml; public function __construct(SimpleXmlIterator $xml) { $this->xml = $xml; } public function offsetExists($offset) { return !is_null($this->xml->$offset); } public function offsetGet($offset) { if ($this->xml->getName() == $offset) { return $this; } return new self($this->xml->$offset); } public function offsetSet($offset, $value) { throw new RuntimeException('This is readonly. writing to "' . (string) $offset . '" with value "' . (string) $value . '" not possible'); } public function offsetUnset($offset) { throw new RuntimeException('This is readonly. Unsetting "' . (string) $offset . '" not possible'); } public function getIterator() { return $this->xml; } public function __toString() { return (string) $this->xml; } } $xml = '<?xml version="1.0"?> <note> <to>Tove</to> <from>Jani</from> <heading foo="bar">Reminder</heading> <body>Don\'t forget me this weekend!</body> <recursive> <val>2</val> <val>4</val> </recursive> </note>'; $simple = new SimpleXmlIterator($xml); $xml = new XmlArrayAccessIterator($simple); echo $xml['note']['to']; echo $xml['note']['recursive']['val'][1]; var_dump($simple->to->count());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/uMBZQ
function name:  (null)
number of ops:  25
compiled vars:  !0 = $xml, !1 = $simple
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   DECLARE_CLASS                                            'xmlarrayaccessiterator'
   51     1        ASSIGN                                                   !0, '%3C%3Fxml+version%3D%221.0%22%3F%3E%0A%3Cnote%3E%0A++++%3Cto%3ETove%3C%2Fto%3E%0A++++%3Cfrom%3EJani%3C%2Ffrom%3E%0A++++%3Cheading+foo%3D%22bar%22%3EReminder%3C%2Fheading%3E%0A++++%3Cbody%3EDon%27t+forget+me+this+weekend%21%3C%2Fbody%3E%0A%09%3Crecursive%3E%0A%09%09%3Cval%3E2%3C%2Fval%3E%0A%09%09%3Cval%3E4%3C%2Fval%3E%0A%09%3C%2Frecursive%3E%0A%3C%2Fnote%3E'
   62     2        NEW                                              $3      'SimpleXmlIterator'
          3        SEND_VAR_EX                                              !0
          4        DO_FCALL                                      0          
          5        ASSIGN                                                   !1, $3
   64     6        NEW                                              $6      'XmlArrayAccessIterator'
          7        SEND_VAR_EX                                              !1
          8        DO_FCALL                                      0          
          9        ASSIGN                                                   !0, $6
   66    10        FETCH_DIM_R                                      ~9      !0, 'note'
         11        FETCH_DIM_R                                      ~10     ~9, 'to'
         12        ECHO                                                     ~10
   67    13        FETCH_DIM_R                                      ~11     !0, 'note'
         14        FETCH_DIM_R                                      ~12     ~11, 'recursive'
         15        FETCH_DIM_R                                      ~13     ~12, 'val'
         16        FETCH_DIM_R                                      ~14     ~13, 1
         17        ECHO                                                     ~14
   68    18        INIT_FCALL                                               'var_dump'
         19        FETCH_OBJ_R                                      ~15     !1, 'to'
         20        INIT_METHOD_CALL                                         ~15, 'count'
         21        DO_FCALL                                      0  $16     
         22        SEND_VAR                                                 $16
         23        DO_ICALL                                                 
         24      > RETURN                                                   1

Class XmlArrayAccessIterator:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/uMBZQ
function name:  __construct
number of ops:  4
compiled vars:  !0 = $xml
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   RECV                                             !0      
    9     1        ASSIGN_OBJ                                               'xml'
          2        OP_DATA                                                  !0
   10     3      > RETURN                                                   null

End of function __construct

Function offsetexists:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/uMBZQ
function name:  offsetExists
number of ops:  7
compiled vars:  !0 = $offset
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   RECV                                             !0      
   14     1        FETCH_OBJ_R                                      ~1      'xml'
          2        FETCH_OBJ_R                                      ~2      ~1, !0
          3        TYPE_CHECK                                    2  ~3      ~2
          4        BOOL_NOT                                         ~4      ~3
          5      > RETURN                                                   ~4
   15     6*     > RETURN                                                   null

End of function offsetexists

Function offsetget:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 8
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/uMBZQ
function name:  offsetGet
number of ops:  16
compiled vars:  !0 = $offset
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   17     0  E >   RECV                                             !0      
   19     1        FETCH_OBJ_R                                      ~1      'xml'
          2        INIT_METHOD_CALL                                         ~1, 'getName'
          3        DO_FCALL                                      0  $2      
          4        IS_EQUAL                                                 !0, $2
          5      > JMPZ                                                     ~3, ->8
   20     6    >   FETCH_THIS                                       ~4      
          7      > RETURN                                                   ~4
   23     8    >   NEW                          self                $5      
          9        CHECK_FUNC_ARG                                           
         10        FETCH_OBJ_FUNC_ARG                               $6      'xml'
         11        FETCH_OBJ_FUNC_ARG                               $7      $6, !0
         12        SEND_FUNC_ARG                                            $7
         13        DO_FCALL                                      0          
         14      > RETURN                                                   $5
   24    15*     > RETURN                                                   null

End of function offsetget

Function offsetset:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 108) Position 1 = -2
filename:       /in/uMBZQ
function name:  offsetSet
number of ops:  13
compiled vars:  !0 = $offset, !1 = $value
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   26     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   28     2        NEW                                              $2      'RuntimeException'
          3        CAST                                          6  ~3      !0
          4        CONCAT                                           ~4      'This+is+readonly.+writing+to+%22', ~3
          5        CONCAT                                           ~5      ~4, '%22+with+value+%22'
          6        CAST                                          6  ~6      !1
          7        CONCAT                                           ~7      ~5, ~6
          8        CONCAT                                           ~8      ~7, '%22+not+possible'
          9        SEND_VAL_EX                                              ~8
         10        DO_FCALL                                      0          
         11      > THROW                                         0          $2
   29    12*     > RETURN                                                   null

End of function offsetset

Function offsetunset:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 108) Position 1 = -2
filename:       /in/uMBZQ
function name:  offsetUnset
number of ops:  9
compiled vars:  !0 = $offset
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   31     0  E >   RECV                                             !0      
   33     1        NEW                                              $1      'RuntimeException'
          2        CAST                                          6  ~2      !0
          3        CONCAT                                           ~3      'This+is+readonly.+Unsetting+%22', ~2
          4        CONCAT                                           ~4      ~3, '%22+not+possible'
          5        SEND_VAL_EX                                              ~4
          6        DO_FCALL                                      0          
          7      > THROW                                         0          $1
   34     8*     > RETURN                                                   null

End of function offsetunset

Function getiterator:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/uMBZQ
function name:  getIterator
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   38     0  E >   FETCH_OBJ_R                                      ~0      'xml'
          1      > RETURN                                                   ~0
   39     2*     > RETURN                                                   null

End of function getiterator

Function __tostring:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/uMBZQ
function name:  __toString
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   43     0  E >   FETCH_OBJ_R                                      ~0      'xml'
          1        CAST                                          6  ~1      ~0
          2        VERIFY_RETURN_TYPE                                       ~1
          3      > RETURN                                                   ~1
   44     4*       VERIFY_RETURN_TYPE                                       
          5*     > RETURN                                                   null

End of function __tostring

End of class XmlArrayAccessIterator.

Generated using Vulcan Logic Dumper, using php 8.0.0


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