How to output XML file in PHP

With the help of PHP wrappers, HTTP URLs can behave like local files. The contents of a URL can be obtained via file_get_contents() and can be echoed. Or read using the readfile function.

Below is sample code to do the same -

$file = file_get_contents('http://example.com/');
echo $file;

An alternative is demonstrated below -

readfile('http://example.com/');
header('Content-type: text/xml'); //The correct MIME type has to be set before displaying the output.

The asXML method can also be used. Below is the sample code -

echo $xml->asXML();
or
$xml->asXML('filename.xml'); //providing a name for the xml file.

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