/**
* 数组转XML
* @param array $arr 数组
* @return string
* @author zayn
* @date 2021-01-26
*/
function arrayToXml(array $arr): string
{
$xml = "<xml>";
foreach ($arr as $key => $val) {
if (is_numeric($val)) {
$xml .= "<" . $key . ">" . $val . "</" . $key . ">";
} else {
$xml .= "<" . $key . "><![CDATA[" . $val . "]]></" . $key . ">";
}
}
$xml .= "</xml>";
return $xml;
}
/**
* xml转数组
* @param $xml
* @return array
* @author zayn
* @date 2021-01-26
*/
function xmlToArray($xml): array
{
return (array)simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA);
}