php - select node that does not contain any of given nodes -

php - select node that does not contain any of given nodes -

this xml working on

<root> <person> <name>bob</name> <age>23</age> </person> <person> <name>dina</name> <age>19</age> </person> <person> <name>john</name> <age>31</age> </person> <person> <name>tim</name> </person> </root>

here can person name has age attribute with

/person[age]/name

this select bob, dina , john

but how select tim?

/root/person[not(age)]/name

that should work.

php xml xpath