PHP Accessing XML sibling tag's attribute -

i'm using xml file this;

<m>   <n>      <name id="1">test</name>      <id>10</id>   </n>   <n>     ......   </n> </m> 

want search 10 sibling tag "name"'s id value.

i'm finding 10 below , ,dont know how sibling tag "name"'s id attribute value, there method accessing sibling's attribute?

$test=$xml->xpath("//n['10']/::*"); 

how can access id ("<name id="1">test</name>") value?

thanks

you can find preceding sibling name element id element follow :

//id[.='10']/preceding-sibling::name 

alternatively, can find n element child id matches criteria, , return name element such n :

//n[id='10']/name 

*) add /@id @ end of either xpath above if meant return id attribute instead of entire name element.