How to loop SimpleXMLElement ?

[pwtitle]

for ... in can't work with SimpleXMLElement？

My XML is :

<?xml version="1.0" encoding="UTF-8"?>
--
  | <Messages xmlns="http://mns.aliyuncs.com/doc/v1">
  | <Message>
  | <MessageId>52224710247175BA-1-15F72355F38-200000004</MessageId>
  | <MessageBodyMD5>D23B14C6CD9CA410B627D3C3C38BED34</MessageBodyMD5>
  | <MessageBody>["asdf","sadfasdf","2017-10-31 11:33:39"]</MessageBody>
  | <ReceiptHandle>1-ODU4OTkzNDU5Ni0xNTA5NjE0MzA5LTEtOA==</ReceiptHandle>
  | <EnqueueTime>1509449621304</EnqueueTime>
  | <FirstDequeueTime>1509608944846</FirstDequeueTime>
  | <NextVisibleTime>1509614309000</NextVisibleTime>
  | <DequeueCount>20</DequeueCount>
  | <Priority>8</Priority>
  | </Message>
  | <Message>
  | <MessageId>52224710247175BA-1-15F72358F0A-200000005</MessageId>
  | <MessageBodyMD5>0DC582A80C06D1C334899B104FFFDA5D</MessageBodyMD5>
  | <MessageBody>["asdf","sadfasdf","2017-10-31 11:33:51"]</MessageBody>
  | <ReceiptHandle>1-ODU4OTkzNDU5Ny0xNTA5NjE0MzA5LTEtOA==</ReceiptHandle>
  | <EnqueueTime>1509449633546</EnqueueTime>
  | <FirstDequeueTime>1509608952453</FirstDequeueTime>
  | <NextVisibleTime>1509614309000</NextVisibleTime>
  | <DequeueCount>17</DequeueCount>
  | <Priority>8</Priority>
  | </Message>
  | <Message>
  | <MessageId>52224710247175BA-1-15F7235936E-200000006</MessageId>
  | <MessageBodyMD5>C0CEFB762CE46988EDE0A0DF34243519</MessageBodyMD5>
  | <MessageBody>["asdf","sadfasdf","2017-10-31 11:33:52"]</MessageBody>
  | <ReceiptHandle>1-ODU4OTkzNDU5OC0xNTA5NjE0MzA5LTEtOA==</ReceiptHandle>
  | <EnqueueTime>1509449634670</EnqueueTime>
  | <FirstDequeueTime>1509608954367</FirstDequeueTime>
  | <NextVisibleTime>1509614309000</NextVisibleTime>
  | <DequeueCount>16</DequeueCount>
  | <Priority>8</Priority>
  | </Message>
  | <Message>
  | <MessageId>52224710247175BA-1-15F7235978C-200000007</MessageId>
  | <MessageBodyMD5>BE399129E2EA269C68EAAE815BE718AD</MessageBodyMD5>
  | <MessageBody>["asdf","sadfasdf","2017-10-31 11:33:53"]</MessageBody>
  | <ReceiptHandle>1-ODU4OTkzNDU5OS0xNTA5NjE0MzA5LTEtOA==</ReceiptHandle>
  | <EnqueueTime>1509449635724</EnqueueTime>
  | <FirstDequeueTime>1509608954799</FirstDequeueTime>
  | <NextVisibleTime>1509614309000</NextVisibleTime>
  | <DequeueCount>13</DequeueCount>
  | <Priority>8</Priority>
  | </Message>
  | </Messages>

when i use zephir language , the code is:

// zephir language code
.....
var xml = simplexml_load_string(xmlstring);
var k, v;
for v, v in xml {
    print_r(k);
    print_r(v);
}
....

the run time error is:

<b>Fatal error</b>:  Uncaught Exception: The argument is not initialized or iterable() in Test.zep:154

but It's work very good in PHP code

<?php
...
$xml = simplexml_load_string($xmlstring);
foreach ($xml as $item) {
    print_r($item);
}
...

• who can help me ? thank you very much ?*

[sergeyklay]

Fixed in the development branch. Feel free to open a new issue if the problem appears again. Thank you for contributing.