I have an array in the following structure
Array ( [members] => Array (
[0] => Array ( [nr] => 2 [email] => email1 )
[1] => Array ( [nr] => 6 [email] => email2 )
[2] => Array ( [nr] => 3 [email] => email3 )
)
[title] => List members
)
I want to delete items [3] => Array () by nr, like unset [nr] => 3, so how should I do this?