fetch data from xml

Question

Hello;

 

 I have a xml file like this:

 

 <Student> 

 <stud>

 <id> 1 </id>

<name> abc </name> 

</stud> 

<stud>

<id> 2 </id>

<name> abcd </name>

</stud>

<stud>

<id> 3</id>

<name> abcde </name>

</stud>

</Student>  

 

I need to store all id's in a string or array or anything like this: (1,2,3) 

 

Please help as soon as possible.. Thanks in advance..