php操作XML、读取数据和写入数据的实现代码

xml文件

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php解析XML获取标签中的值

(.*)<\/vip>/',$_xml,$_dom); foreach($_dom[1] as $_value){ preg_match_all('/(.*)<\/id>/',$_value,$_id); preg_match_all('/(.*)<\/username>/',$_username); preg_match_all('/(.*)<\/sex>/',$_sex); preg_match_all('/(.*)<\/face>/',$_face); preg_match_all('/(.*)<\/email>/',$_email); preg_match_all('/(.*)<\/qq>/',$_qq); $_html['id'] = $_id[1][0]; $_html['username'] = $_username[1][0]; $_html['sex'] = $_sex[1][0]; $_html['face'] = $_face[1][0]; $_html['email'] = $_email[1][0]; $_html['qq'] = $_qq[1][0]; } }else{ _alert_back("文件不存在"); } return $_html; }

php向XML文件中写入数据

\r\t"; fwrite($_fp,$_string,strlen($_string)); $_string = "\r\t"; fwrite($_fp,strlen($_string)); $_string = "\t{$_clean['id']}\r\t"; fwrite($_fp,strlen($_string)); $_string = "\t{$_clean['username']}\r\t"; fwrite($_fp,strlen($_string)); $_string = "\t{$_clean['sex']}\r\t"; fwrite($_fp,strlen($_string)); $_string = "\t{$_clean['face']}\r\t"; fwrite($_fp,strlen($_string)); $_string = "\t{$_clean['email']}\r\t"; fwrite($_fp,strlen($_string)); $_string = "\t{$_clean['url']}\r\t"; fwrite($_fp,strlen($_string)); $_string = ""; fwrite($_fp,strlen($_string)); flock($_fp,LOCK_UN); fclose($_fp); }