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数组转xml

May 26, 2016 am 08:19 AM


formatOutput = true;
    }
     
    /**
     * 转换数组到XML
     * 
     * @param array $array      要转换的数组
     * @param string $rootName  要节点名称
     * @param string $version   版本号
     * @param string $encoding  XML编码
     * 
     * @return string
     */
    public static function parse($array, $rootName = 'root', $version = '1.0', $encoding = 'UTF-8') {
        self::init($version, $encoding);
         
        //转换
        $node = self::convert($array, $rootName);
        self::$doc->appendChild($node);
 
        return self::$doc->saveXML();
    }
     
    /**
     * 递归转换
     * 
     * @param array $array      数组
     * @param string $nodeName  节点名称
     * 
     * @return object (DOMElement)
     */
    private static function convert($array, $nodeName) {
        if (!is_array($array)) return false;
         
        //创建父节点
        $node = self::createNode($nodeName);
         
        //循环数组
        foreach ($array as $key => $value) {
            $element = self::createNode($key);
             
            //如果不是数组,则创建节点的值
            if (!is_array($value)) {
                $element->appendChild(self::createValue($value));
                $node->appendChild($element);
            } else {
                //如果是数组,则递归
                $node->appendChild(self::convert($value, $key, $element));
            }                       
        }
        return $node;
    }
     
    private static function createNode($name) {
        $node = NULL;
         
        //如果是字符串,则创建节点
        if (!is_numeric($name)) {
            $node = self::$doc->createElement($name);
        } else {
            //如果是数字,则创建默认item节点
            $node = self::$doc->createElement('item');
        }
         
        return $node;
    }
     
    /**
     * 创建文本节点
     * 
     * @param string || bool || integer $value
     * 
     * @return object (DOMText || DOMCDATASection );
     */
    private static function createValue($value) {
        $textNode = NULL;
         
        //如果是bool型,则转换为字符串
        if (true === $value || false === $value) {
            $textNode = self::$doc->createTextNode($value ? 'true' : 'false');
        } else {
            //如果含有HTML标签,则创建CDATA节点
            if (strpos($value, ' -1) {
                $textNode = self::$doc->createCDATASection($value);
            } else {
                $textNode = self::$doc->createTextNode($value);
            }
        }
 
        return $textNode;
    }


}

$a = Array();
echo ArrayToXml::parse($a, 'root');
?>
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