richiamare i valori di una funzione

[rocco.mod]

come ho fatto prima mi stampa con print_r

Array
(
    [0] => Array
        (
            [staffid] => 1
            [groupid] => 1
            [nome] => rocco
            [cognome] => chiolo
            [username] => admin
            [password] => 3956cebd87145aa9598e28aa8c639aa3
            [email] => admin@marikwebnet.org
            [mobilenumber] => +380678031005
            [lastvisit] => 1235153818
            [lastchange] => 1234785406
            [lastactivity] => 1234716961
            [timezoneoffset] => 0
            [enabled] => 1
            [isadmin] => 1
            [namberrandom] => 383837
            [tipo] => 3
            [id_groups] => 1
            [nome_group] => SuperAdmin
        )

    [1] => Array
        (
            [staffid] => 2
            [groupid] => 3
            [nome] => rocco
            [cognome] => chiolo
            [username] => rocco
            [password] => 3956cebd87145aa9598e28aa8c639aa3
            [email] => admin@marikwebnet.org
            [mobilenumber] => 
            [lastvisit] => 0
            [lastchange] => 1235084978
            [lastactivity] => 1234788561
            [timezoneoffset] => 0
            [enabled] => 1
            [isadmin] => 0
            [namberrandom] => 11733171
            [tipo] => 2
            [id_groups] => 3
            [nome_group] => Staff
        )

)