[wp-trac] [WordPress Trac] #22212: WP_User_Query( array('role' => $role) ) should accept array or not return anything if array

[WordPress Trac]

#22212: WP_User_Query( array('role' => $role) ) should accept array or not return
anything if array
-----------------------------+--------------------------
 Reporter:  thomask          |       Type:  defect (bug)
   Status:  new              |   Priority:  normal
Milestone:  Awaiting Review  |  Component:  Users
  Version:                   |   Severity:  normal
 Keywords:                   |
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 I got a small problem with WP_User_Query - i wanted to find users from
 more then one roles to send them e-mail, so i did


 {{{
 $role = array('role-1','role-2);
 $wp_user_search = WP_User_Query( array('role' => $role) );
 $users = $wp_user_search->get_results()
 foreach ($user) ... send wp_mail
 }}}


 problem is, that role param accepts only string. It would not be a problem
 if it would return nothing, problem was, that it actually returns ALL
 users, so i have send my author-only emails to all thousands users in
 database :-(

 I know that it is my fault, that i have to read documentation, but i
 thought, that it works as other wp queries, so if the parame do not fit,
 it throws error, but it does not.

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Ticket URL: <http://core.trac.wordpress.org/ticket/22212>
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