There is data in the array how to remove the first entry, for example, "uid" here is the data.
object(stdClass) (1) { ["response"] => array(1) { [0] => object(stdClass) (4) { ["uid"]=> int(118830222) ["first_name"]=> string(12) "Никита" ["last_name"]=> string(14) "Потехин" ["photo_100"]=> string(47) "http://cs301309.vk.me/u118830222/d_02a3e436.jpg" } } }