Possible Users: 
Array
(
    [0] =&gt; stdClass Object
        (
            [ID] =&gt; 1
            [user_nicename] =&gt; admin
        )

    [1] =&gt; stdClass Object
        (
            [ID] =&gt; 3
            [user_nicename] =&gt; dev
        )

    [2] =&gt; stdClass Object
        (
            [ID] =&gt; 2
            [user_nicename] =&gt; ghagins
        )

)
