PHP SimpleXML doesn't preserve line breaks in XML attributes

Question

I have to parse externally provided XML that has attributes with line breaks in them. Using SimpleXML, the line breaks seem to be lost. According to another stackoverflow

Answer 1

Here is code to replace the new lines with the appropriate character reference in that particular XML fragment. Run this code prior to parsing.

$replaceFunction = function ($matches) {
    return str_replace("\n", "
", $matches[0]);
};
$xml = preg_replace_callback(
    "/