Encoding from xml to/from php?

Question

So the xml has: <?xml version="1.0" encoding="ISO-8859-15"?> and I'm supposed to load some of the nodes values and save to them. What encodings am I supposed to use? At the moment I'm using utf8_encode() which is kind of silly, but it works on save, but when I have to load the value again, it having scandic characters "ÅÄÖ", it shows like "Ã„Ã¤liÃ¶".

What can I use to encode the string to save and load to/from xml on php? The thing here is with the Scandinavian characters..

edit: sorry, i forgot to put the xml tag in {}...

edit: At the moment I'm using DOM Xpath to read and modify the xml file.

Your Common Sense · Accepted Answer · 2012-02-14 09:06:52Z

1

You aren't supposed to use any encodings at all.

The internal encoding of XML documents is utf-8.
So, as long as you are using some designated parser, simplexml for example, it will recode document to utf-8 and you always have utf-8 output.

the rest depends on what you want to do with this data and what encoding your page in.

answered Feb 14, 2012 at 9:06

Your Common Sense

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11 Comments

Heiska Over a year ago

When I don't use utf_encode() on writing on the nodevalue and saving the xml, it swipes everything from the xml leaving only <?xml version="1.0"?> if the string that I want to save has chars as ÅÄÖ...

Your Common Sense Over a year ago

Please do one thing at a time. Do you have reading sorted out already? there are 2 ways of creating XML, direct one and by using whatever library. if you are using direct method, just like HTML, you can use whatever encoding - just set it up in the header. When using some library writer, you have to supply utf-8 encoded data, so, you may need to recode it.

Heiska Over a year ago

$xpath->nodeValue = utf8_encode($_POST['input']) this works on writing, but on reading I've got only echo $xpath->nodeValue and if the element I want to read has Å, Ö or Ä it echoes something like "Ã„Ã¤liÃ¶"

Your Common Sense Over a year ago

what is your HTML page encoding? Do you have an idea of what encoding your site in?

Heiska Over a year ago

I've got a form page which has no meta tags to define the encoding and the php page is just in <?php ... ?>

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Michael Clark · Accepted Answer · 2012-02-14 09:15:16Z

0

Use XMLReader and XMLWriter classes, specifying the input and output encodings when you open the file. In your case, to read the document:

$xmlReader = new XMLReader();
$xmlReader->open('test.xml', 'ISO-8859-15');

Values are then converted to UTF-8 automatically when you retrieve them from the document.

Remember that XMLWriter expects UTF-8 input.

answered Feb 14, 2012 at 9:15

Michael Clark

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