src/Utils/DataParser.php
public static function toXml($values)
    {
        if (!is_array($values) || count($values) <= 0) {
            return false;
        }

        $xml = "<xml>";
        foreach ($values as $key => $val) {
            if (is_numeric($val)) {
                $xml.="<".$key.">".$val."</".$key.">";
            } else {
                $xml.="<".$key."><![CDATA[".$val."]]></".$key.">";
            }
        }
        $xml.="</xml>";
        return $xml;
    }
public static function toXml($values)
    {
        if (!is_array($values) || count($values) <= 0) {
            return false;
        }

        $xml = "<xml>";
        foreach ($values as $key => $val) {
            if (is_numeric($val)) {
                $xml.="<".$key.">".$val."</".$key.">";
            } else {
                $xml.="<".$key."><![CDATA[".$val."]]></".$key.">";
            }
        }
        $xml.="</xml>";
        return $xml;
    }
输出xml字符
@param array $values
@return string|bool