set_checkbox($field[, $value = ''[, $default = FALSE]])

nice_date([$bad_date = ''[, $format = FALSE]])

class CI_Input $raw_input_stream Read only property that will return php://input

function_usable($function_name)

set_content_type($mime_type[, $charset = NULL])

create_links()

display_errors([$open = ' [, $close = ' ']])

All of the available libraries are located in your system/libraries/ directory. In most cases, to use one of these classes involves initializing it within a

set($key[, $value = ''[, $escape = NULL]])

get_metadata($id)