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Diffstat (limited to 'user_guide_src/source/libraries/loader.rst')
| -rw-r--r-- | user_guide_src/source/libraries/loader.rst | 127 |
1 files changed, 73 insertions, 54 deletions
diff --git a/user_guide_src/source/libraries/loader.rst b/user_guide_src/source/libraries/loader.rst index 15d9d80fc..107b3ece3 100644 --- a/user_guide_src/source/libraries/loader.rst +++ b/user_guide_src/source/libraries/loader.rst @@ -80,10 +80,11 @@ Class Reference .. method:: library($library[, $params = NULL[, $object_name = NULL]]) - :param mixed $library: Library name as a string or an array with multiple libraries - :param array $params: Optional array of parameters to pass to the loaded library's constructor - :param string $object_name: Optional object name to assign the library to - :returns: object + :param mixed $library: Library name as a string or an array with multiple libraries + :param array $params: Optional array of parameters to pass to the loaded library's constructor + :param string $object_name: Optional object name to assign the library to + :returns: CI_Loader instance (method chaining) + :rtype: CI_Loader This method is used to load core classes. @@ -156,10 +157,11 @@ Class Reference .. method:: driver($library[, $params = NULL[, $object_name]]) - :param mixed $library: Library name as a string or an array with multiple libraries - :param array $params: Optional array of parameters to pass to the loaded library's constructor - :param string $object_name: Optional object name to assign the library to - :returns: object + :param mixed $library: Library name as a string or an array with multiple libraries + :param array $params: Optional array of parameters to pass to the loaded library's constructor + :param string $object_name: Optional object name to assign the library to + :returns: CI_Loader instance (method chaining) + :rtype: CI_Loader This method is used to load driver libraries, acts very much like the ``library()`` method. @@ -216,10 +218,11 @@ Class Reference .. method:: view($view[, $vars = array()[, return = FALSE]]) - :param string $view: View name - :param array $vars: An associative array of variables - :param bool $return: Whether to return the loaded view - :returns: mixed + :param string $view: View name + :param array $vars: An associative array of variables + :param bool $return: Whether to return the loaded view + :returns: View content string if $return is set to TRUE, otherwise CI_Loader instance (method chaining) + :rtype: mixed This method is used to load your View files. If you haven't read the :doc:`Views <../general/views>` section of the user guide it is @@ -249,9 +252,10 @@ Class Reference .. method:: vars($vars[, $val = '']) - :param mixed $vars: An array of variables or a single variable name - :param mixed $val: Optional variable value - :returns: object + :param mixed $vars: An array of variables or a single variable name + :param mixed $val: Optional variable value + :returns: CI_Loader instance (method chaining) + :rtype: CI_Loader This method takes an associative array as input and generates variables using the PHP `extract() <http://www.php.net/extract>`_ @@ -265,8 +269,9 @@ Class Reference .. method:: get_var($key) - :param string $key: Variable name key - :returns: mixed + :param string $key: Variable name key + :returns: Value if key is found, NULL if not + :rtype: mixed This method checks the associative array of variables available to your views. This is useful if for any reason a var is set in a library @@ -274,22 +279,25 @@ Class Reference .. method:: get_vars() - :returns: array + :returns: An array of all assigned view variables + :rtype: array This method retrieves all variables available to your views. .. method:: clear_vars() - :returns: object + :returns: CI_Loader instance (method chaining) + :rtype: CI_Loader Clears cached view variables. .. method:: model($model[, $name = ''[, $db_conn = FALSE]]) - :param mixed $model: Model name or an array containing multiple models - :param string $name: Optional object name to assign the model to - :param string $db_conn: Optional database configuration group to load - :returns: object + :param mixed $model: Model name or an array containing multiple models + :param string $name: Optional object name to assign the model to + :param string $db_conn: Optional database configuration group to load + :returns: CI_Loader instance (method chaining) + :rtype: CI_Loader :: @@ -310,10 +318,11 @@ Class Reference .. method:: database([$params = ''[, $return = FALSE[, $query_builder = NULL]]]) - :param mixed $params: Database group name or configuration options - :param bool $return: Whether to return the loaded database object - :param bool $query_builder: Whether to load the Query Builder - :returns: mixed + :param mixed $params: Database group name or configuration options + :param bool $return: Whether to return the loaded database object + :param bool $query_builder: Whether to load the Query Builder + :returns: Loaded CI_DB instance or FALSE on failure if $return is set to TRUE, otherwise CI_Loader instance (method chaining) + :rtype: mixed This method lets you load the database class. The two parameters are **optional**. Please see the :doc:`database <../database/index>` @@ -321,35 +330,39 @@ Class Reference .. method:: dbforge([$db = NULL[, $return = FALSE]]) - :param object $db: Database object - :param bool $return: Whether to return the Database Forge instance - :returns: mixed + :param object $db: Database object + :param bool $return: Whether to return the Database Forge instance + :returns: Loaded CI_DB_forge instance if $return is set to TRUE, otherwise CI_Loader instance (method chaining) + :rtype: mixed Loads the :doc:`Database Forge <../database/forge>` class, please refer to that manual for more info. .. method:: dbutil([$db = NULL[, $return = FALSE]]) - :param object $db: Database object - :param bool $return: Whether to return the Database Utilities instance - :returns: mixed + :param object $db: Database object + :param bool $return: Whether to return the Database Utilities instance + :returns: Loaded CI_DB_utility instance if $return is set to TRUE, otherwise CI_Loader instance (method chaining) + :rtype: mixed Loads the :doc:`Database Utilities <../database/utilities>` class, please refer to that manual for more info. .. method:: helper($helpers) - :param mixed $helpers: Helper name as a string or an array containing multiple helpers - :returns: object + :param mixed $helpers: Helper name as a string or an array containing multiple helpers + :returns: CI_Loader instance (method chaining) + :rtype: CI_Loader This method loads helper files, where file_name is the name of the file, without the _helper.php extension. .. method:: file($path[, $return = FALSE]) - :param string $path: File path - :param bool $return: Whether to return the loaded file - :returns: mixed + :param string $path: File path + :param bool $return: Whether to return the loaded file + :returns: File contents if $return is set to TRUE, otherwise CI_Loader instance (method chaining) + :rtype: mixed This is a generic file loading method. Supply the filepath and name in the first parameter and it will open and read the file. By default the @@ -359,27 +372,30 @@ Class Reference .. method:: language($files[, $lang = '']) - :param mixed $files: Language file name or an array of multiple language files - :param string $lang: Language name - :returns: object + :param mixed $files: Language file name or an array of multiple language files + :param string $lang: Language name + :returns: CI_Loader instance (method chaining) + :rtype: CI_Loader This method is an alias of the :doc:`language loading method <language>`: ``$this->lang->load()``. .. method:: config($file[, $use_sections = FALSE[, $fail_gracefully = FALSE]]) - :param string $file: Configuration file name - :param bool $use_sections: Whether configuration values should be loaded into their own section - :param bool $fail_gracefully: Whether to just return FALSE in case of failure - :returns: bool + :param string $file: Configuration file name + :param bool $use_sections: Whether configuration values should be loaded into their own section + :param bool $fail_gracefully: Whether to just return FALSE in case of failure + :returns: TRUE on success, FALSE on failure + :rtype: bool This method is an alias of the :doc:`config file loading method <config>`: ``$this->config->load()`` .. method:: is_loaded($class) - :param string $class: Class name - :returns: mixed + :param string $class: Class name + :returns: Singleton property name if found, FALSE if not + :rtype: mixed Allows you to check if a class has already been loaded or not. @@ -405,9 +421,10 @@ Class Reference .. method:: add_package_path($path[, $view_cascade = TRUE]) - :param string $path: Path to add - :param bool $view_cascade: Whether to use cascading views - :returns: object + :param string $path: Path to add + :param bool $view_cascade: Whether to use cascading views + :returns: CI_Loader instance (method chaining) + :rtype: CI_Loader Adding a package path instructs the Loader class to prepend a given path for subsequent requests for resources. As an example, the "Foo Bar" @@ -419,8 +436,9 @@ Class Reference .. method:: remove_package_path([$path = '']) - :param string $path: Path to remove - :returns: object + :param string $path: Path to remove + :returns: CI_Loader instance (method chaining) + :rtype: CI_Loader When your controller is finished using resources from an application package, and particularly if you have other application packages you @@ -435,7 +453,8 @@ Class Reference .. method:: get_package_paths([$include_base = TRUE]) - :param bool $include_base: Whether to include BASEPATH - :returns: array + :param bool $include_base: Whether to include BASEPATH + :returns: An array of package paths + :rtype: array Returns all currently available package paths.
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