**XMLParser.class.php** ~~~ <?php /**XML 文件分析类 *Date: 2013-02-01 *Author: fdipzone *Ver: 1.0 * *func: *loadXmlFile($xmlfile) 读入xml文件输出Array *loadXmlString($xmlstring) 读入xmlstring 输出Array */ class XMLParser{ /**读取xml文件 * @param String $xmlfile * @return Array */ public function loadXmlFile($xmlfile){ // get xmlfile content $xmlstring = file_exists($xmlfile)? file_get_contents($xmlfile) : ''; // parser xml list($flag, $data) = $this->parser($xmlstring); return $this->response($flag, $data); } /**读取xmlstring * @param String $xmlstring * @return Array */ public function loadXmlString($xmlstring){ // parser xml list($flag, $data) = $this->parser($xmlstring); return $this->response($flag, $data); } /**解释xml内容 * @param String $xmlstring * @return Array */ private function parser($xmlstring){ $flag = false; $data = array(); // check xml format if($this->checkXmlFormat($xmlstring)){ $flag = true; // xml to object $data = simpleXML_load_string($xmlstring, 'SimpleXMLElement', LIBXML_NOCDATA); // object to array $this->objectToArray($data); } return array($flag, $data); } /**检查xml格式是否正确 * @param String $xmlstring * @return boolean */ private function checkXmlFormat($xmlstring){ if($xmlstring==''){ return false; } $xml_parser_obj = xml_parser_create(); if(xml_parse_into_struct($xml_parser_obj, $xmlstring, $vals, $indexs)===1){ // 1:success 0:fail return true; }else{ return false; } } /**object 转 Array * @param object $object * @return Array */ private function objectToArray(&$object){ $object = (array)$object; foreach($object as $key => $value){ if($value==''){ $object[$key] = ""; }else{ if(is_object($value) || is_array($value)){ $this->objectToArray($value); $object[$key] = $value; } } } } /**输出返回 * @param boolean $flag true:false * @param Array $data 转换后的数据 * @return Array */ private function response($flag=false, $data=array()){ return array($flag, $data); } } ?> ~~~ **Demo:** ~~~ <?php require "XMLParser.class.php"; $xmlfile = 'file.xml'; $xmlstring = '<?xml version="1.0" encoding="utf-8"?> <xmlroot> <status>1000</status> <info></info> <result><id>100</id> <name>fdipzone</name> <gender>1</gender> <age>28</age> </result> </xmlroot>'; echo '<pre>'; $xml_parser = new XMLParser(); echo "response xmlfile\r\n"; list($flag, $xmldata) = $xml_parser->loadXmlFile($xmlfile); if($flag){ print_r($xmldata); } echo "response xmlstring\r\n"; list($flag, $xmldata) = $xml_parser->loadXmlString($xmlstring); if($flag){ print_r($xmldata); } echo '</pre>'; ?> ~~~** PHP XML预定义常量: **[http://www.php.net/manual/en/libxml.constants.php](http://www.php.net/manual/en/libxml.constants.php)