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I'm trying to get content from an XML document using PHP.

This is my current code to get regular XML elements (title and URL).

$xml = simplexml_load_file("courses.xml") or die("Error: Cannot create object"); $i = 0; do { echo $xml->channel->item[$i]->title.", <a href='"; echo $xml->channel->item[$i]->guid."'>URL</a><br>"; $i = $i + 1; } while ($i < 47);

Now, in the XML document there's this kind of element:

<course:image-thumbnail>https://www.edx.org/image.png</course:image-thumbnail>

I tried calling the content of this element using PHP the same way I called the previous elements, but it does not seem to work because of the presencey of the colon : .

How can I make this work?

I've started on PHP and XML only 2 days ago, so it's all really new for me.

Thanks for your help.

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  • Look for the xmlns:course namespace definition (looks like an attribute). The value is the actual namespace. course is only an alias for to make the XML easier to read/write for humans. Several of the SimpleXML methods allow you to provide the namespace as an argument and you can register you own alias for Xpath expressions. Commented Jan 11, 2018 at 9:43
  • Duplicate is the first Google hit for “simplexml_load_file namespaces” - so next time please make that minimal research effort upfront & before asking, thank you. Commented Jan 11, 2018 at 9:53
  • Meh, who cares. Commented Jan 12, 2018 at 10:05

1 Answer 1

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Not sure where your image-thumbnail element resides, but you can access it something like this:

$xml->children('courses', true)->{'image-thumbnail'}[0];

The brackets ->{''} are required in case a certain node contains illegal PHP variable characters (like a hpyhen in this case).

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