[ci skip] 3.1.8 release

1 files changed, 0 insertions, 252 deletions

diff --git a/user_guide_src/source/libraries/config.rst b/user_guide_src/source/libraries/config.rst
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-############
-Config Class
-############
-
-The Config class provides a means to retrieve configuration preferences.
-These preferences can come from the default config file
-(application/config/config.php) or from your own custom config files.
-
-.. note:: This class is initialized automatically by the system so there
-	is no need to do it manually.
-
-.. contents::
-  :local:
-
-.. raw:: html
-
-  <div class="custom-index container"></div>
-
-*****************************
-Working with the Config Class
-*****************************
-
-Anatomy of a Config File
-========================
-
-By default, CodeIgniter has one primary config file, located at
-application/config/config.php. If you open the file using your text
-editor you'll see that config items are stored in an array called
-$config.
-
-You can add your own config items to this file, or if you prefer to keep
-your configuration items separate (assuming you even need config items),
-simply create your own file and save it in config folder.
-
-.. note:: If you do create your own config files use the same format as
-	the primary one, storing your items in an array called $config.
-	CodeIgniter will intelligently manage these files so there will be no
-	conflict even though the array has the same name (assuming an array
-	index is not named the same as another).
-
-Loading a Config File
-=====================
-
-.. note::
-	CodeIgniter automatically loads the primary config file
-	(application/config/config.php), so you will only need to load a config
-	file if you have created your own.
-
-There are two ways to load a config file:
-
-Manual Loading
-**************
-
-To load one of your custom config files you will use the following
-function within the :doc:`controller </general/controllers>` that
-needs it::
-
-	$this->config->load('filename');
-
-Where filename is the name of your config file, without the .php file
-extension.
-
-If you need to load multiple config files normally they will be
-merged into one master config array. Name collisions can occur,
-however, if you have identically named array indexes in different
-config files. To avoid collisions you can set the second parameter to
-TRUE and each config file will be stored in an array index
-corresponding to the name of the config file. Example::
-
-	// Stored in an array with this prototype: $this->config['blog_settings'] = $config
-	$this->config->load('blog_settings', TRUE);
-
-Please see the section entitled Fetching Config Items below to learn
-how to retrieve config items set this way.
-
-The third parameter allows you to suppress errors in the event that a
-config file does not exist::
-
-	$this->config->load('blog_settings', FALSE, TRUE);
-
-Auto-loading
-************
-
-If you find that you need a particular config file globally, you can
-have it loaded automatically by the system. To do this, open the
-**autoload.php** file, located at application/config/autoload.php,
-and add your config file as indicated in the file.
-
-
-Fetching Config Items
-=====================
-
-To retrieve an item from your config file, use the following function::
-
-	$this->config->item('item_name');
-
-Where item_name is the $config array index you want to retrieve. For
-example, to fetch your language choice you'll do this::
-
-	$lang = $this->config->item('language');
-
-The function returns NULL if the item you are trying to fetch
-does not exist.
-
-If you are using the second parameter of the $this->config->load
-function in order to assign your config items to a specific index you
-can retrieve it by specifying the index name in the second parameter of
-the $this->config->item() function. Example::
-
-	// Loads a config file named blog_settings.php and assigns it to an index named "blog_settings"
-	$this->config->load('blog_settings', TRUE);
-
-	// Retrieve a config item named site_name contained within the blog_settings array
-	$site_name = $this->config->item('site_name', 'blog_settings');
-
-	// An alternate way to specify the same item:
-	$blog_config = $this->config->item('blog_settings');
-	$site_name = $blog_config['site_name'];
-
-Setting a Config Item
-=====================
-
-If you would like to dynamically set a config item or change an existing
-one, you can do so using::
-
-	$this->config->set_item('item_name', 'item_value');
-
-Where item_name is the $config array index you want to change, and
-item_value is its value.
-
-.. _config-environments:
-
-Environments
-============
-
-You may load different configuration files depending on the current
-environment. The ENVIRONMENT constant is defined in index.php, and is
-described in detail in the :doc:`Handling
-Environments </general/environments>` section.
-
-To create an environment-specific configuration file, create or copy a
-configuration file in application/config/{ENVIRONMENT}/{FILENAME}.php
-
-For example, to create a production-only config.php, you would:
-
-#. Create the directory application/config/production/
-#. Copy your existing config.php into the above directory
-#. Edit application/config/production/config.php so it contains your
-   production settings
-
-When you set the ENVIRONMENT constant to 'production', the settings for
-your new production-only config.php will be loaded.
-
-You can place the following configuration files in environment-specific
-folders:
-
--  Default CodeIgniter configuration files
--  Your own custom configuration files
-
-.. note::
-	CodeIgniter always loads the global config file first (i.e., the one in application/config/),
-	then tries to load the configuration files for the current environment.
-	This means you are not obligated to place **all** of your configuration files in an
-	environment folder. Only the files that change per environment. Additionally you don't
-	have to copy **all** the config items in the environment config file. Only the config items
-	that you wish to change for your environment. The config items declared in your environment
-	folders always overwrite those in your global config files.
-
-
-***************
-Class Reference
-***************
-
-.. php:class:: CI_Config
-
-	.. attribute:: $config
-
-		Array of all loaded config values
-
-	.. attribute:: $is_loaded
-
-		Array of all loaded config files
-
-
-	.. php:method:: item($item[, $index=''])
-
-		:param	string	$item: Config item name
-		:param	string	$index: Index name
-		:returns:	Config item value or NULL if not found
-		:rtype:	mixed
-
-		Fetch a config file item.
-
-	.. php:method:: set_item($item, $value)
-
-		:param	string	$item: Config item name
-		:param	string	$value: Config item value
-		:rtype:	void
-
-		Sets a config file item to the specified value.
-
-	.. php:method:: slash_item($item)
-
-		:param	string	$item: config item name
-		:returns:	Config item value with a trailing forward slash or NULL if not found
-		:rtype:	mixed
-
-		This method is identical to ``item()``, except it appends a forward
-		slash to the end of the item, if it exists.
-
-	.. php:method:: load([$file = ''[, $use_sections = FALSE[, $fail_gracefully = FALSE]]])
-
-		:param	string	$file: Configuration file name
-		:param	bool	$use_sections: Whether config values should be loaded into their own section (index of the main config array)
-		:param	bool	$fail_gracefully: Whether to return FALSE or to display an error message
-		:returns:	TRUE on success, FALSE on failure
-		:rtype:	bool
-
-		Loads a configuration file.
-
-	.. php:method:: site_url()
-
-		:returns:	Site URL
-		:rtype:	string
-
-		This method retrieves the URL to your site, along with the "index" value
-		you've specified in the config file.
-
-		This method is normally accessed via the corresponding functions in the
-		:doc:`URL Helper </helpers/url_helper>`.
-
-	.. php:method:: base_url()
-
-		:returns:	Base URL
-		:rtype:	string
-
-		This method retrieves the URL to your site, plus an optional path such
-		as to a stylesheet or image.
-
-		This method is normally accessed via the corresponding functions in the
-		:doc:`URL Helper </helpers/url_helper>`.
-
-	.. php:method:: system_url()
-
-		:returns:	URL pointing at your CI system/ directory
-		:rtype:	string
-
-		This method retrieves the URL to your CodeIgniter system/ directory.
-
-		.. note:: This method is DEPRECATED because it encourages usage of
-			insecure coding practices. Your *system/* directory shouldn't
-			be publicly accessible.
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