/** Keep trying titles starting with $basename until one is unoccupied. */
public static function incrementedTitle($basename, $namespace)
{
global $wgContLang;
$i = 2;
// Try to make the title valid.
$basename = Threads::makeTitleValid($basename);
$t = Title::makeTitleSafe($namespace, $basename);
while (!$t || in_array($t->getPrefixedDBkey(), self::$occupied_titles) || $t->exists() || $t->isDeletedQuick()) {
if (!$t) {
throw new Exception("Error in creating title for basename {$basename}");
}
$n = $wgContLang->formatNum($i);
$t = Title::makeTitleSafe($namespace, $basename . ' (' . $n . ')');
$i++;
}
return $t;
}
