function ure_is_admin( $user_id = false ) {
global $current_user;
if ( ! $user_id ) {
if (empty($current_user) && function_exists('get_currentuserinfo')) {
get_currentuserinfo();
}
$user_id = ! empty($current_user) ? $current_user->ID : 0;
}
if ( ! $user_id )
return false;
$user = new WP_User($user_id);
$simpleAdmin = ure_has_administrator_role($user_id);
if ( is_multisite() ) {
$super_admins = get_super_admins();
$superAdmin = is_array( $super_admins ) && in_array( $user->user_login, $super_admins );
} else {
$superAdmin = false;
}
return $simpleAdmin || $superAdmin;
}
function ure_not_edit_admin($allcaps, $caps, $name)
{
global $ure_userToCheck;
$userKeys = array('user_id', 'user');
foreach ($userKeys as $userKey) {
$accessDeny = false;
if (isset($_GET[$userKey])) {
$ure_UserId = $_GET[$userKey];
if ($ure_UserId == 1) {
// built-in WordPress Admin
$accessDeny = true;
} else {
if (!isset($ure_userToCheck[$ure_UserId])) {
// check if user_id has Administrator role
$accessDeny = ure_has_administrator_role($ure_UserId);
} else {
// user_id was checked already, get result from cash
$accessDeny = $ure_userToCheck[$ure_UserId];
}
}
if ($accessDeny) {
unset($allcaps['edit_users']);
}
break;
}
}
return $allcaps;
}
