/**
* Reads the data of a variables.xml file.
*
* @param string $string contents of a variable.xml file
* @return array data
*/
public static function readVariablesData($string)
{
// open variables.xml
$variablesXML = new XML();
$variablesXML->loadString($string);
$variablesXMLContent = $variablesXML->getElementTree('variables');
// get variables
$variables = array();
foreach ($variablesXMLContent['children'] as $variable) {
if (isset($variable['attrs']['name'])) {
$variables[$variable['attrs']['name']] = $variable['cdata'];
}
}
return $variables;
}
