/**
* Walks recursivly throught an array and concatinates the found info to a string.
*
* @param \RecursiveIterator $iterator
*
* @return string
*/
protected static function traverseStructure($iterator)
{
$children = '';
while ($iterator->valid()) {
if ($iterator->hasChildren()) {
$current = 'array (' . self::traverseStructure($iterator->getChildren()) . '), ';
} else {
$current = "'" . $iterator->current() . "', ";
}
$key = $iterator->key();
if (is_numeric($key)) {
$children .= $key . " => " . $current;
} else {
$children .= "'" . $key . "' => " . $current;
}
$iterator->next();
}
return $children;
}
