如何设置xml属性并将更改保存到文件？

Question

我需要使用PHP（即名称，电话1，电话2）更改xml属性。已更改的属性值需要保存到代码从其中获取的文件中。 任何人都可以让我走上正轨吗？

<PhoneBook> 
<Title>TRSA</Title> 
<Menu Name="Informational"> 
<Unit Name="Name Surname" Phone1="476" Phone2="8 888 88 888"   
Phone3="62811" default_photo="Resource:"/> 
<Unit Name="John Johnson" Phone1="412" Phone2="" Phone3="62812"   
default_photo="Resource:"/> 
<Unit Name="Carl Johnson" Phone1="481" Phone2="8 888 88 888" 
Phone3="22222" default_photo="Resource:"/> 
<Unit Name="Carl Johnson" Phone1="481" Phone2="" Phone3="22222" 
default_photo="Resource:"/> 
<Unit Name="Carl Johnson" Phone1="427" Phone2="" Phone3="22222" 
default_photo="Resource:"/> 
<Unit Name="Carl Johnson" Phone1="414" Phone2="" Phone3="22222" 
default_photo="Resource:"/> 
<Unit Name="Carl Johnson" Phone1="414" Phone2="8 888 88 888" 
Phone3="22222" default_photo="Resource:"/> 
<Unit Name="Carl Johnson" Phone1="410" Phone2="8 888 88 888" 
Phone3="22222" default_photo="Resource:"/> 
</Menu> 
<Menu Name="Administration"> 
<Unit Name="Carl Johnson" Phone1="413" Phone2="8 888 88 888" 
Phone3="22222" default_photo="Resource:"/> 
<Unit Name="Carl Johnson" Phone1="450" Phone2="8 888 88 888" 
Phone3="22222" default_photo="Resource:"/> 
<Unit Name="Carl Johnson" Phone1="344" Phone2="8 888 88 888" 
Phone3="22222" default_photo="Resource:"/> 
<Unit Name="Carl Johnson" Phone1="484" Phone2="" Phone3="52110" 
default_photo="Resource:"/> 
<Unit Name="Carl Johnson" Phone1="465" Phone2="8 888 88 888" 
Phone3="22222" default_photo="Resource:"/> 
<Unit Name="Carl Johnson " Phone1="522" Phone2="8 888 88 888" 
Phone3="22222" default_photo="Resource:"/> 
</Menu> 
</PhoneBook> 

Answer 1

您可以使用setAttribute

公共DOMAttr一个DOMElement ::的setAttribute（字符串$名称，字符串$价值 ）

Answer 2

你可以简单地使用PHP：XMLWriter的这个： http://php.net/manual/de/function.xmlwriter-write-element.php

还用于读取XML文件： http://php.net/manual/en/simplexml.examples-basic.php

它是一个远程XML或本地在您的Web服务器上？ - 事情是你不能编辑远程文件，我想。 最好的方法是取出旧的，在解析XML的同时更改值并再次保存。