/**
* @param string $table - table in witch we update data
* @param array $data - associative array with data to update
* @return DB object with part of the query
*/
public static function update($table, $data)
{
foreach ($data as $key => $value) {
if ($value == 'null') {
$data[$key] = DB::expr('null');
} else {
$data[$key] = stripslashes($value);
}
}
if (!isset($data['updated_at']) and Common::checkField($table, 'updated_at')) {
$data['updated_at'] = time();
}
return DB::update($table)->set($data);
}
