database([$params = ''[, $return = FALSE[, $query_builder = NULL]]]) Parameters: $params (mixed) – Database group name or configuration options $return (bool) – Whether to return the loaded database object $query_builder (bool) – Whether to load the Query Builder Returns: Loaded CI_DB instance or FALSE on failure if $return is set to TRUE, otherwise CI_Loader instance (method chaining) Return type: mixed This method lets you load the database class. The two parameters are optional

dbutil([$db = NULL[, $return = FALSE]]) Parameters: $db (object) – Database object $return (bool) – Whether to return the Database Utilities instance Returns: Loaded CI_DB_utility instance if $return is set to TRUE, otherwise CI_Loader instance (method chaining) Return type: mixed Loads the Database Utilities class, please refer to that manual for more info.

file($path[, $return = FALSE]) Parameters: $path (string) – File path $return (bool) – Whether to return the loaded file Returns: File contents if $return is set to TRUE, otherwise CI_Loader instance (method chaining) Return type: mixed This is a generic file loading method. Supply the filepath and name in the first parameter and it will open and read the file. By default the data is sent to your browser, just like a View file, but if you set the second parameter to boolean TRUE it

load($langfile[, $idiom = ''[, $return = FALSE[, $add_suffix = TRUE[, $alt_path = '']]]]) Parameters: $langfile (mixed) – Language file to load or array with multiple files $idiom (string) – Language name (i.e. ‘english’) $return (bool) – Whether to return the loaded array of translations $add_suffix (bool) – Whether to add the ‘_lang’ suffix to the language file name $alt_path (string) – An alternative path to look in for the language file Returns: Array of language lines if $return

clear_vars() Returns: CI_Loader instance (method chaining) Return type: CI_Loader Clears cached view variables.

add_package_path($path[, $view_cascade = TRUE]) Parameters: $path (string) – Path to add $view_cascade (bool) – Whether to use cascading views Returns: CI_Loader instance (method chaining) Return type: CI_Loader Adding a package path instructs the Loader class to prepend a given path for subsequent requests for resources. As an example, the “Foo Bar” application package above has a library named Foo_bar.php. In our controller, we’d do the following: $this->load->add_package_p

class CI_Loader library($library[, $params = NULL[, $object_name = NULL]]) Parameters: $library (mixed) – Library name as a string or an array with multiple libraries $params (array) – Optional array of parameters to pass to the loaded library’s constructor $object_name (string) – Optional object name to assign the library to Returns: CI_Loader instance (method chaining) Return type: CI_Loader This method is used to load core classes. Note We use the terms “class” and “library”

config($file[, $use_sections = FALSE[, $fail_gracefully = FALSE]]) Parameters: $file (string) – Configuration file name $use_sections (bool) – Whether configuration values should be loaded into their own section $fail_gracefully (bool) – Whether to just return FALSE in case of failure Returns: TRUE on success, FALSE on failure Return type: bool This method is an alias of the config file loading method: $this->config->load()

line($line[, $log_errors = TRUE]) Parameters: $line (string) – Language line key name $log_errors (bool) – Whether to log an error if the line isn’t found Returns: Language line string or FALSE on failure Return type: string Fetches a single translation line from the already loaded language files, based on the line’s name.

class CI_Lang load($langfile[, $idiom = ''[, $return = FALSE[, $add_suffix = TRUE[, $alt_path = '']]]]) Parameters: $langfile (mixed) – Language file to load or array with multiple files $idiom (string) – Language name (i.e. ‘english’) $return (bool) – Whether to return the loaded array of translations $add_suffix (bool) – Whether to add the ‘_lang’ suffix to the language file name $alt_path (string) – An alternative path to look in for the language file Returns: Array of language