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<?php class XmlArrayAccessIterator implements ArrayAccess, IteratorAggregate { private $xml; public function __construct($filePath, $isUrl = true) { $this->isUrl = $isUrl; $this->xml = new SimpleXmlIterator($filePath, 0, $isUrl); } public function offsetExists($offset) { return !is_null($this->xml->$offset); } public function offsetGet($offset) { if ($this->xml->getName() == $offset) { return $this; } if (is_int($offset)) { $tag = $this->xml->getName(); $parent = $this->xml->xpath('../'); $parent = $parent[0]; $target = $parent->xpath($tag . '[' . $offset . ']'); $target = $target[0]; return new self($target->asXML(), false); } return new self($this->xml->$offset->asXML(), false); } public function __toString() { return (string) $this->xml; } public function offsetSet($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; } } $str = '<?xml version="1.0"?> <note> <to>Tove</to> <from>Jani</from> <heading>Reminder</heading> <body>Don\'t forget me this weekend!</body> <recursive> <val>2</val> <val>4</val> </recursive> </note>'; $xml = new XmlArrayAccessIterator($str, false); //echo $xml['note']['to']; var_dump($xml['note']['recursive']['val'][0]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/MC4Pg
function name:  (null)
number of ops:  15
compiled vars:  !0 = $str, !1 = $xml
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   DECLARE_CLASS                                            'xmlarrayaccessiterator'
   61     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%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'
   74     2        NEW                                              $3      'XmlArrayAccessIterator'
          3        SEND_VAR_EX                                              !0
          4        SEND_VAL_EX                                              <false>
          5        DO_FCALL                                      0          
          6        ASSIGN                                                   !1, $3
   77     7        INIT_FCALL                                               'var_dump'
          8        FETCH_DIM_R                                      ~6      !1, 'note'
          9        FETCH_DIM_R                                      ~7      ~6, 'recursive'
         10        FETCH_DIM_R                                      ~8      ~7, 'val'
         11        FETCH_DIM_R                                      ~9      ~8, 0
         12        SEND_VAL                                                 ~9
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Class XmlArrayAccessIterator:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/MC4Pg
function name:  __construct
number of ops:  12
compiled vars:  !0 = $filePath, !1 = $isUrl
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   RECV                                             !0      
          1        RECV_INIT                                        !1      <true>
    9     2        ASSIGN_OBJ                                               'isUrl'
          3        OP_DATA                                                  !1
   10     4        NEW                                              $4      'SimpleXmlIterator'
          5        SEND_VAR_EX                                              !0
          6        SEND_VAL_EX                                              0
          7        SEND_VAR_EX                                              !1
          8        DO_FCALL                                      0          
          9        ASSIGN_OBJ                                               'xml'
         10        OP_DATA                                                  $4
   11    11      > 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/MC4Pg
function name:  offsetExists
number of ops:  7
compiled vars:  !0 = $offset
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   RECV                                             !0      
   15     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
   16     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
2 jumps found. (Code = 43) Position 1 = 10, Position 2 = 37
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 37
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/MC4Pg
function name:  offsetGet
number of ops:  47
compiled vars:  !0 = $offset, !1 = $tag, !2 = $parent, !3 = $target
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   18     0  E >   RECV                                             !0      
   20     1        FETCH_OBJ_R                                      ~4      'xml'
          2        INIT_METHOD_CALL                                         ~4, 'getName'
          3        DO_FCALL                                      0  $5      
          4        IS_EQUAL                                                 !0, $5
          5      > JMPZ                                                     ~6, ->8
   21     6    >   FETCH_THIS                                       ~7      
          7      > RETURN                                                   ~7
   24     8    >   TYPE_CHECK                                   16          !0
          9      > JMPZ                                                     ~8, ->37
   25    10    >   FETCH_OBJ_R                                      ~9      'xml'
         11        INIT_METHOD_CALL                                         ~9, 'getName'
         12        DO_FCALL                                      0  $10     
         13        ASSIGN                                                   !1, $10
   26    14        FETCH_OBJ_R                                      ~12     'xml'
         15        INIT_METHOD_CALL                                         ~12, 'xpath'
         16        SEND_VAL_EX                                              '..%2F'
         17        DO_FCALL                                      0  $13     
         18        ASSIGN                                                   !2, $13
   27    19        FETCH_DIM_R                                      ~15     !2, 0
         20        ASSIGN                                                   !2, ~15
   28    21        INIT_METHOD_CALL                                         !2, 'xpath'
         22        CONCAT                                           ~17     !1, '%5B'
         23        CONCAT                                           ~18     ~17, !0
         24        CONCAT                                           ~19     ~18, '%5D'
         25        SEND_VAL_EX                                              ~19
         26        DO_FCALL                                      0  $20     
         27        ASSIGN                                                   !3, $20
   29    28        FETCH_DIM_R                                      ~22     !3, 0
         29        ASSIGN                                                   !3, ~22
   30    30        NEW                          self                $24     
         31        INIT_METHOD_CALL                                         !3, 'asXML'
         32        DO_FCALL                                      0  $25     
         33        SEND_VAR_NO_REF_EX                                       $25
         34        SEND_VAL_EX                                              <false>
         35        DO_FCALL                                      0          
         36      > RETURN                                                   $24
   33    37    >   NEW                          self                $27     
         38        FETCH_OBJ_R                                      ~28     'xml'
         39        FETCH_OBJ_R                                      ~29     ~28, !0
         40        INIT_METHOD_CALL                                         ~29, 'asXML'
         41        DO_FCALL                                      0  $30     
         42        SEND_VAR_NO_REF_EX                                       $30
         43        SEND_VAL_EX                                              <false>
         44        DO_FCALL                                      0          
         45      > RETURN                                                   $27
   34    46*     > RETURN                                                   null

End of function offsetget

Function __tostring:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/MC4Pg
function name:  __toString
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   38     0  E >   FETCH_OBJ_R                                      ~0      'xml'
          1        CAST                                          6  ~1      ~0
          2        VERIFY_RETURN_TYPE                                       ~1
          3      > RETURN                                                   ~1
   39     4*       VERIFY_RETURN_TYPE                                       
          5*     > RETURN                                                   null

End of function __tostring

Function offsetset:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 108) Position 1 = -2
filename:       /in/MC4Pg
function name:  offsetSet
number of ops:  13
compiled vars:  !0 = $offset, !1 = $value
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   41     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   43     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
   44    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/MC4Pg
function name:  offsetUnset
number of ops:  9
compiled vars:  !0 = $offset
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   46     0  E >   RECV                                             !0      
   48     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
   49     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/MC4Pg
function name:  getIterator
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   53     0  E >   FETCH_OBJ_R                                      ~0      'xml'
          1      > RETURN                                                   ~0
   54     2*     > RETURN                                                   null

End of function getiterator

End of class XmlArrayAccessIterator.

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