PHP-Get a Value from XML Settings file

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Function to Get a Value from XML Settings file provided as a second argument
Default is ../main/settings.xml: standard for all of our current projects
Usage: $objClass->fnGetProperty("SiteURL", "settings.xml");
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function fnGetProperty($varPropName, $varXMLFile = '../main/settings.xml')
{
$objXML = new clsXML($varXMLFile);
$varValue = $objXML->evaluate("//" . $varPropName);
$varRetValue = $objXML->get_content($varValue[0]);
$objXML = NULL;
return($varRetValue);
}

Disclaimer: Any code or advice given is for instructional purposes only. We will not be responsible for any loss or damage caused by using this script.