When I generate an XML file with an ASP Classic script, and import the XML file in a PHP page, the import process works fine.
But, when I generate the same XML through a PHP script (instead of ASP Classic) and use it in the same import process, then it's not working.
$xml = iconv("UTF-16", "UTF-8", $xml);
I noticed in my import process:
$xml = iconv("UTF-16", "UTF-8", $xml);
line in my code, the XML file is in the proper format. $xml = iconv("UTF-16", "UTF-8", $xml);
line, the XML file is corrupted. When I comment this line of code out and use the PHP XML file, then it works fine.
Resources: PHP official site- SimpleXMLElement documentation
If you claim that there is an error in this line:
$xml = iconv("UTF-16", "UTF-8", $xml);
then change it to this, because $xml is probably not "UTF-16":
$xml = iconv(mb_detect_encoding($xml), "UTF-8", $xml);
To save the XML file:
//saving generated xml file
$xml_student_info->asXML('file path and name');
To import the xml file:
$url = "http://www.domain.com/users/file.xml";
$xml = simplexml_load_string(file_get_contents($url));
If you have an array as follows:
$test_array = array (
'bla' => 'blub',
'foo' => 'bar',
'another_array' => array (
'stack' => 'overflow',
),
);
and you wish to convert it to the following XML:
<?xml version="1.0"?>
<main_node>
<bla>blub</bla>
<foo>bar</foo>
<another_array>
<stack>overflow</stack>
</another_array>
</main_node>
then here's the PHP code:
<?php
//make the array
$test = array (
'bla' => 'blub',
'foo' => 'bar',
'another_array' => array (
'stack' => 'overflow',
),
);
//make an XML object
$xml_test = new SimpleXMLElement("<?xml version=\"1.0\"?><main_node></main_node>");
// function call to convert array to xml
array_to_xml($test,$xml_test);
//here's the function definition (array_to_xml)
function array_to_xml($test, &$xml_test) {
foreach($test as $key => $value) {
if(is_array($value)) {
if(!is_numeric($key)){
$subnode = $xml_test->addChild("$key");
array_to_xml($value, $subnode);
}
else{
$subnode = $xml_test->addChild("item$key");
array_to_xml($value, $subnode);
}
}
else {
$xml_test->addChild("$key","$value");
}
}
}
/we finally print it out
print $xml_test->asXML();
?>
What happens when you do:
$xml = iconv("UTF-16", "UTF-8//IGNORE", $xml);
?
If the process is failing at the point you've identified, then it is failing conversion from UTF-16 to UTF-8, which means you have one or more characters in the input string that do not have a UTF-8 representation. The "//IGNORE" flag will silently drop those characters, which is obviously bad, but using that flag can be helpful in pinpointing if what I think is the problem is actually the case. You could also try transliterating the characters that fail:
$xml = iconv("UTF-16", "UTF-8//TRANSLIT", $xml);
The characters will be approximated, so you'll retain something, at least. See the example here: http://www.php.net/manual/en/function.iconv.php
All of that said, UTF-16 is an acceptable charset for XML content. Why are you wanting to convert it?
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