user_is_blocked($name)
user/user.module, line 398
Checks for usernames blocked by user administration
boolean TRUE for blocked users, FALSE for active
<?php
function user_is_blocked($name) {
$deny = db_fetch_object(db_query("SELECT name FROM {users} WHERE status = 0 AND name = LOWER('%s')", $name));
return $deny;
}
?>