<?php
/**
 * Author: liasica
 * CreateTime: 16/1/5 13:00
 * Filename: SimpleArrayToXml.php
 * PhpStorm: yii2-helpers
 */
namespace liasica\helpers;

class SimpleArrayToXml
{
    private $arr;

    /**
     * 数组转为简单XML
     * array convert to simple xml
     * SimpleArrayToXml constructor.
     * @param $arr
     */
    public function __construct($arr)
    {
        $this->arr = $arr;
    }

    /**
     * @return string
     */
    public function buildXML()
    {
        $arr = $this->arr;
        $xml = "<xml>";
        foreach ($arr as $key => $val) {
            if (is_numeric($val)) {
                $xml .= "<" . $key . ">" . $val . "</" . $key . ">";
            } else {
                $xml .= "<" . $key . "><![CDATA[" . $val . "]]></" . $key . ">";
            }
            //$xml .= "<" . $key . ">" . $val . "</" . $key . ">";
        }
        $xml .= "</xml>";
        return $xml;
    }
}