include(dirname(__FILE__)."/xmlparse.php");
$arr = array(1,"name","admin",100);
$contXML = dump_xml_config($arr, "xml", "utf-8");
//放入文件
file_put_contents_safe("/path/test.xml",$contXML,"w");
echo $contXML;
#源码
#<?xml version="1.0" encoding="utf-8"?>
#<xml>
#    <0>1</0>
#    <1>name</1>
#    <2>admin</2>
#    <3>100</3>
#</xml>

------解决方案--------------------
探讨


XML与PHP相互转换封装函数：xmlparse.php
Demo:
PHP code

include(dirname(__FILE__)."/xmlparse.php");
$arr = array(1,"name","admin",100);
$contXML = dump_xml_config($arr, "xml", "utf-8");
//放入文件
file_put_conte……