function update_preferences($pref_id = 0)
{
/* Get current keys */
$sql = "SELECT `id`,`name`,`type` FROM `preference`";
/* If it isn't the System Account's preferences */
if ($pref_id != '-1') {
$sql .= " WHERE `catagory` != 'system'";
}
$db_results = Dba::read($sql);
$results = array();
// Collect the current possible keys
while ($r = Dba::fetch_assoc($db_results)) {
$results[] = array('id' => $r['id'], 'name' => $r['name'], 'type' => $r['type']);
}
// end collecting keys
/* Foreach through possible keys and assign them */
foreach ($results as $data) {
/* Get the Value from POST/GET var called $data */
$name = $data['name'];
$apply_to_all = 'check_' . $data['name'];
$new_level = 'level_' . $data['name'];
$id = $data['id'];
$value = scrub_in($_REQUEST[$name]);
/* Some preferences require some extra checks to be performed */
switch ($name) {
case 'transcode_bitrate':
$value = Stream::validate_bitrate($value);
break;
default:
break;
}
if (preg_match('/_pass$/', $name)) {
if ($value == '******') {
unset($_REQUEST[$name]);
} else {
if (preg_match('/md5_pass$/', $name)) {
$value = md5($value);
}
}
}
/* Run the update for this preference only if it's set */
if (isset($_REQUEST[$name])) {
Preference::update($id, $pref_id, $value, $_REQUEST[$apply_to_all]);
}
if (Access::check('interface', '100') && $_REQUEST[$new_level]) {
Preference::update_level($id, $_REQUEST[$new_level]);
}
}
// end foreach preferences
// Now that we've done that we need to invalidate the cached preverences
Preference::clear_from_session();
}