function getPref($data_dir, $username, $string, $default = '') {
global $prefs_cache;
- $result = do_hook_function('get_pref_override',array($username,$string));
+ $result = do_hook('get_pref_override', $temp=array(&$username, &$string));
if (!$result) {
cachePrefValues($data_dir, $username);
if (isset($prefs_cache[$string])) {
$result = $prefs_cache[$string];
} else {
- $result = do_hook_function('get_pref', array($username,$string));
+ $result = do_hook('get_pref', $temp=array(&$username, &$string));
if (!$result) {
$result = $default;
}