get_vars()

database_exists($database_name)

elapsed_time([$decimals = 6])

get_id($url)

chmod($path, $perm)

table_exists($table_name)

read_file($file)

error($field[, $prefix = ''[, $suffix = '']])

total_items()

By default it is assumed that you only intend to use CodeIgniter to manage one application, which you will build in your application/ directory. It is possible, however