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<?php |
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/** |
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* Class Xml |
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* |
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* @link https://www.icy2003.com/ |
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* @author icy2003 <[email protected]> |
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* @copyright Copyright (c) 2017, icy2003 |
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*/ |
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namespace icy2003\php\ihelpers; |
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use icy2003\php\I; |
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/** |
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* Xml 类 |
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*/ |
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class Xml |
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{ |
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/** |
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* 判断字符串是否是 Xml |
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* |
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* @param string $xmlString |
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* |
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* @return bool |
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*/ |
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public static function isXml($xmlString) |
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{ |
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return false !== simplexml_load_string($xmlString, 'SimpleXMLElement', LIBXML_NOERROR); |
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} |
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/** |
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* Xml 转成数组 |
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* |
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* 失败时返回空数组 |
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* |
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* @param string $xmlString Xml 字符串 |
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* |
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* @return array |
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*/ |
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public static function toArray($xmlString) |
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{ |
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if (false === self::isXml($xmlString)) { |
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return []; |
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} |
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$isDisabled = libxml_disable_entity_loader(true); |
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$xml = simplexml_load_string($xmlString, 'SimpleXMLElement', LIBXML_NOCDATA); |
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$array = Json::decode(Json::encode($xml), true); |
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libxml_disable_entity_loader($isDisabled); |
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return $array; |
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} |
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/** |
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* 数组转成 Xml 字符串 |
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* |
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* @param array $array 数组 |
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* @param bool $isRoot 是否带上根节点，默认 true |
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* |
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* @return string |
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*/ |
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public static function fromArray($array, $isRoot = true) |
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{ |
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$xmlstring = ''; |
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true === $isRoot && $xmlstring .= '<xml>'; |
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foreach ($array as $key => $value) { |
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if (is_array($value)) { |
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$subXmlString = self::fromArray($value, false); |
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$xmlstring .= '<' . $key . '>' . $subXmlString . '</' . $key . '>'; |
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} else { |
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if (is_numeric($value)) { |
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$xmlstring .= '<' . $key . '>' . $value . '</' . $key . '>'; |
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} else { |
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$xmlstring .= '<' . $key . '><![CDATA[' . $value . ']]></' . $key . '>'; |
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} |
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} |
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} |
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true === $isRoot && $xmlstring .= '</xml>'; |
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return $xmlstring; |
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} |
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} |
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icy2003 /
php
