general/configuration.html

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				<h1>
					<a href="https://fuelphp.com"><img height="37px" width="147px" src="./../assets/img/fuel.png" /></a>
					<strong>Documentation</strong>
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			<a href="#" id="toc_handle">table of contents</a>
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			<h2>Configuring your application</h2>

			<h3 id="intro">Introduction</h3>
			<p>
				The FuelPHP framework is built with configuration over convention in mind. This results in a highly customizable
				base on which you can start building your application.
			</p>

			<p>
				Configuration files are stored inside the <kbd>app/config</kbd> folder. The application's basic
				configuration is done in <em>app/config/config.php</em>. The loaded configuration can be made
				environment specific, more on this under <a href="environments.html#/env_config">Environments</a>.
			</p>

			<p class="note">
				To overwrite settings from feature specific configs, either create a new file in app/config or copy
				the corresponding file from core/config to app/config.
			</p>

			<h3 id="config">Configuration options</h3>

			<p>
				These are the options that can be defined in the applications basic configuration file, <kbd>app/config/config.php</kbd>.
				When you have just installed FuelPHP, this file is empty. All default values, as defined below, are defined in the
				corresponding file in the <kbd>core/config</kbd> folder. When you want to override a default, add the key to the array
				in your app config file, and modify the value. Alternatively, copy the section from the core file to the app file, and
				modify it.
			</p>

			<p class="note">
				FuelPHP uses "<em>dot-notation</em>" when handling arrays. It is a convenient way of accessing elements of a multi-dimensional
				array. This notation is used in the documenation as well, as it provides an easy to type array reference. For example:
			</p>
			<pre class="php"><code>// when you see "always_load.packages = array()", it is shorthand for:
array("always_load" => array("packages" => array(...) ) );
</code></pre>


			<table class="config">
				<tbody>
					<tr class="header">
						<th style="width:500px;">Key</th>
						<th>Type</th>
						<th>Default</th>
						<th>Description</th>
					</tr>
					<tr>
						<th>base_url</th>
						<td>string</td>
						<td><pre class="php"><code>null</code></pre></td>
						<td>
							The base URL of the application. Can be relative. MUST contain a trailing slash. ('/foo/', 'http://example.com/')
						</td>
					</tr>
					<tr>
						<th>url_suffix</th>
						<td>string</td>
						<td><pre class="php"><code>''</code></pre></td>
						<td>
							Any suffix that needs to be added to URL's generated by Fuel. If the suffix is an extension,
							make sure to include the dot. ('.html')
						</td>
					</tr>
					<tr>
						<th>index_file</th>
						<td>string</td>
						<td><pre class="php"><code>'index.php'</code></pre></td>
						<td>
							The name of the main bootstrap file. Set this to false or remove if you using mod_rewrite.
						</td>
					</tr>
					<tr>
						<th>profiling</th>
						<td>bool</td>
						<td><pre class="php"><code>false</code></pre></td>
						<td>
							Whether to enable the profiler.
						</td>
					</tr>
					<tr>
						<th>profiling_paths</th>
						<td>mixed</td>
						<td><pre class="php"><code>array(
	    'APPPATH' => APPPATH,
	    'COREPATH' => COREPATH,
	    'PKGPATH' => PKGPATH,
),</code></pre></td>
						<td>
							Array of path-to-string translations, to hide the absolute path, and to shorten
							the path being displayed (for layout purposes).
						</td>
					</tr>
					<tr>
						<th>cache_dir</th>
						<td>string</td>
						<td><pre class="php"><code>APPPATH.'cache/'</code></pre></td>
						<td>
							The directory to store cache files in. This directory must be writable.
						</td>
					</tr>
					<tr>
						<th>caching</th>
						<td>bool</td>
						<td><pre class="php"><code>false</code></pre></td>
						<td>
							Whether to enable file finder caching.
						</td>
					</tr>
					<tr>
						<th>cache_lifetime</th>
						<td>int</td>
						<td><pre class="php"><code>3600</code></pre></td>
						<td>
							The file finder cache lifetime in seconds.
						</td>
					</tr>
					<tr>
						<th>ob_callback</th>
						<td>callback</td>
						<td><pre class="php"><code>null</code></pre></td>
						<td>
							Callback given to ob_start(), set to ob_gzhandler to enable gzip encoding of output.
						</td>
					</tr>

					<tr>
						<td colspan="4"></td>
					</tr>
					<tr>
						<th>errors</th>
						<td colspan="3">
							<strong>Array, containing the configuration keys to control behaviour when detecting errors:</strong>
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.continue_on</th>
						<td>array</td>
						<td><pre class="php"><code>array(
)</code></pre></td>
						<td>
							On which php errors to proceed execution. See <a href="./error.html">Error handling</a>.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.throttle</th>
						<td>int</td>
						<td><pre class="php"><code>10</code></pre></td>
						<td>
							How many errors to show before we stop showing them. (prevents out-of-memory errors)
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.notices</th>
						<td>bool</td>
						<td><pre class="php"><code>true</code></pre></td>
						<td>
							If true, PHP notices are shown inline. If false, an E_USER_NOTICE exception is thrown.
						</td>
					</tr>
					<tr>
						<td colspan="4">&nbsp;</td>
					</tr>

					<tr>
						<th>language</th>
						<td>string</td>
						<td><pre class="php"><code>'en'</code></pre></td>
						<td>
							The default application language, used by the <a href="../classes/lang.html">Lang class</a>.
						</td>
					</tr>
					<tr>
						<th>language_fallback</th>
						<td>string</td>
						<td><pre class="php"><code>'en'</code></pre></td>
						<td>
							This language code will be used when the requested language file doesn't exist in the active language.
							This should be your main application language.
						</td>
					</tr>
					<tr>
						<th>locale</th>
						<td>string | array</td>
						<td><pre class="php"><code>'en_US'</code></pre></td>
						<td>
							Used for set the locale for your application, if it differs from the default server or
							PHP configuation locale. See <em>setlocale()</em> for more information.<br />
							<em>The syntax setting for this can differ per OS, Ubuntu for example requires a
							<kbd>.utf8</kbd> (the encoding) suffix.</em>. To pass multiple options, pass an indexed array
							with the locales in order of preference.<br />
							If you don't need to use a difffent locale, set to <kbd>false</kbd>.
						</td>
					</tr>
						<th>locale_category</th>
						<td>int | array</td>
						<td><pre class="php"><code>LC_ALL</code></pre></td>
						<td>
							One or more categories for which the defined locale should be set, define either a single
							category, like the LC_ALL constant, or an indexed array of LC constants.<br />
							The array is needed because unlike other constants in PHP, these can't be or'd.
						</td>
					</tr>
					<tr>
						<th>encoding</th>
						<td>string</td>
						<td><pre class="php"><code>'UTF-8'</code></pre></td>
						<td>
							The application's default character encoding.
						</td>
					</tr>
					<tr>
						<th>server_gmt_offset</th>
						<td>int</td>
						<td><pre class="php"><code>0</code></pre></td>
						<td>
							The offset in seconds the server offset from gmt timestamp when time() is used.<br />
							<em>This is only to correct bad server configuration: <kbd>time()</kbd> should always
							return the number of seconds since January 1 1970 00:00:00 GMT.</em>
						</td>
					</tr>
					<tr>
						<th>default_timezone</th>
						<td>string</td>
						<td><pre class="php"><code>null</code></pre></td>
						<td>
							The server timezone. If set to null, the timezone configured in your php.ini file will be used.
						</td>
					</tr>
					<tr>
						<td colspan="4">
						<p class="note">
							If you set this value, make <strong>ABSOLUTELY</strong> sure that the timezone configured matches the timezone set on your server.
							Since timezone calculations work by converting to GMT, it goes horribly wrong when you have a timezone mismatch. This will cause
							time displays in your application to be incorrect, and cookie/session issues due to incorrect expiry time calculations!
						</p>
						</td>
					</tr>
					<tr>
						<th>log_threshold</th>
						<td>int</td>
						<td><pre class="php"><code>Fuel::L_WARNING</code></pre></td>
						<td>
							The logging threshold. From what level of message to log, or an array of specific message levels that should be logged. <a href="../classes/fuel.html#log_constants">Read about the possible values</a>
						</td>
					</tr>
					<tr>
						<th>log_file</th>
						<td>string</td>
						<td><pre class="php"><code>null</code></pre></td>
						<td>
							The file the log needs to be written to. If not given, a filename will be generated.
						</td>
					</tr>
					<tr>
						<th>log_path</th>
						<td>string</td>
						<td><pre class="php"><code>APPPATH.'logs/'</code></pre></td>
						<td>
							The directory to store the logs in. This directory MUST be writable.
						</td>
					</tr>
					<tr>
						<th>log_date_format</th>
						<td>string</td>
						<td><pre class="php"><code>'Y-m-d H:i:s'</code></pre></td>
						<td>
							The date/time format used in the logs.
						</td>
					</tr>
					<tr>
						<th>cli_backtrace</th>
						<td>bool</td>
						<td><pre class="php"><code>false</code></pre></td>
						<td>
							If true, a backtrace will be printed when a PHP fatal error is encountered in CLI mode (similar to the html error pages).
						</td>
					</tr>

					<tr>
						<th>security</th>
						<td colspan="3">
							<strong>Array, containing the configuration keys to control your application security:</strong>
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.csrf_autoload</th>
						<td>bool</td>
						<td><pre class="php"><code>false</code></pre></td>
						<td>
							Whether to auto-check the csrf token. <a href="../general/security.html#csrf">Read more about csrf</a>.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.csrf_autoload_methods</th>
						<td>array</td>
						<td><pre class="php"><code>array(
	'post', 'put', 'delete'
)</code></pre></td>
						<td>
							List of HTTP methods for which csrf token auto-checking will happen.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.csrf_bad_request_on_fail</th>
						<td>bool</td>
						<td><pre class="php"><code>false</code></pre></td>
						<td>
							If true, an HttpBadRequestException will be thrown. If false, a SecurityException will be thrown.
							It is false by default for backward compatibility reasons.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.csrf_auto_token</th>
						<td>bool</td>
						<td><pre class="php"><code>false</code></pre></td>
						<td>
							If true, a hidden csrf token input field will be automatically added to each form created using Form::open().
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.csrf_token_key</th>
						<td>string</td>
						<td><pre class="php"><code>'fuel_csrf_token'</code></pre></td>
						<td>
							Which $_POST key to fetch when checking the csrf token.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.csrf_expiration</th>
						<td>int</td>
						<td><pre class="php"><code>0</code></pre></td>
						<td>
							Set the expiration time for the csrf cookie. Anything higher than 0 is the number of seconds in
							which the cookie will expire.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.csrf_rotate</th>
						<td>bool</td>
						<td><pre class="php"><code>true</code></pre></td>
						<td>
							If true, the CSRF token is always rotated after token validation, no token will be reused. If false, tokens will
							be reused until they expire, or until Security::set_token(true) is called to manually rotate it.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.token_salt</th>
						<td>string</td>
						<td><pre class="php"><code>'put your salt value here...'</code></pre></td>
						<td>
							A salt to make sure the generated security tokens are not predictable.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.allow_x_headers</th>
						<td>bool</td>
						<td><pre class="php"><code>false</code></pre></td>
						<td>
							Allow the Input class to use "X" headers when present, such as HTTP_X_FORWARDED_FOR or HTTP_X_FORWARDED_PROTO.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.uri_filter</th>
						<td>array</td>
						<td><pre class="php"><code>array('htmlentities')</code></pre></td>
						<td>
							What <a href="http://php.net/manual/en/language.types.callable.php">php callable</a>s to use to filter the URI.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.input_filter</th>
						<td>array</td>
						<td><pre class="php"><code>array()</code></pre></td>
						<td>
							What <a href="http://php.net/manual/en/language.types.callable.php">php callable</a>s to use to filter
							the input arrays ($_GET, $_POST and $_COOKIE). Can be set to <em>xss_clean</em>,
							but this may cause a performance hit based on the size of the input.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.output_filter</th>
						<td>array</td>
						<td><pre class="php"><code>array()</code></pre></td>
						<td>
							What <a href="http://php.net/manual/en/language.types.callable.php">php callable</a>s to use to filter
							the variables set onto a view. Can be set to <em>xss_clean</em>,
							but this may cause a performance hit based on the size of the variables.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.htmlentities_flags</th>
						<td>integer</td>
						<td><pre class="php"><code>ENT_QUOTES</code></pre></td>
						<td>
							Whether to automatically encode (htmlentities) view data.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.htmlentities_double_encode</th>
						<td>bool</td>
						<td><pre class="php"><code>false</code></pre></td>
						<td>
							Whether or not to encode HTML entities as well.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.auto_filter_output</th>
						<td>bool</td>
						<td><pre class="php"><code>true</code></pre></td>
						<td>
							Whether to automatically encode (htmlentities) view data.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.filter_closures</th>
						<td>bool</td>
						<td><pre class="php"><code>true</code></pre></td>
						<td>
							If true, closures passed onto Views will be executed, and their return value will be filtered
							and passed on to the View. If false, the closure itself will be passed to the view.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.whitelisted_classes</th>
						<td>array</td>
						<td><pre class="php"><code>array(
	'stdClass',
	'Fuel\\Core\\View',
	'Fuel\\Core\\Presenter',
	'Closure'
)</code></pre></td>
						<td>
							With output encoding switched on all objects passed will be converted to strings or throw exceptions
							unless they are instances of the classes in this array.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.form-double-urlencoded</th>
						<td>bool</td>
						<td><pre class="php"><code>false</code></pre></td>
						<td>
							 Set this to true of your client sends data using the HTTP PUT, DELETE or PATCH methods
							 using the www-form-urlencoded content-type, and it's contents is urlencoded locally
							 before submitting.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.clean_paths</th>
						<td>mixed</td>
						<td><pre class="php"><code>array(
),</code></pre></td>
						<td>
							Array of path-to-string translations, to hide the absolute path, and to shorten
							the path being displayed in any output. Note that for security reasons,  APPPATH,
							COREPATH, PKGPATH, and DOCROOT will always be translated.
						</td>
					</tr>
					<tr>
						<td colspan="4">&nbsp;</td>
					</tr>


					<tr>
						<th>cookie</th>
						<td colspan="3">
							<strong>Array, containing the configuration keys to define the global cookie settings:</strong>
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.expiration</th>
						<td>int</td>
						<td><pre class="php"><code>0</code></pre></td>
						<td>
							Number of seconds before the cookie expires.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.path</th>
						<td>string</td>
						<td><pre class="php"><code>'/'</code></pre></td>
						<td>
							Restrict the path that the cookie is available to.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.domain</th>
						<td>string</td>
						<td><pre class="php"><code>null</code></pre></td>
						<td>
							Restrict the domain that the cookie is available to.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.secure</th>
						<td>bool</td>
						<td><pre class="php"><code>false</code></pre></td>
						<td>
							Only transmit cookies over secure connections.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.http_only</th>
						<td>bool</td>
						<td><pre class="php"><code>false</code></pre></td>
						<td>
							Only transmit cookies over HTTP, disabling Javascript access.
						</td>
					</tr>
					<tr>
						<td colspan="4">&nbsp;</td>
					</tr>

					<tr>
						<th>validation</th>
						<td colspan="3">
							<strong>Array, containing the configuration keys to control validation behaviour :</strong>
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.global_input_fallback</th>
						<td>bool</td>
						<td><pre class="php"><code>true</code></pre></td>
						<td>
							Whether to fallback to global inout data when a value is not found in the input array
							passed to validation.
						</td>
					</tr>
					<tr>
						<td colspan="4">&nbsp;</td>
					</tr>

					<tr>
						<th>controller_prefix</th>
						<td>string</td>
						<td><pre class="php"><code>'Controller_'</code></pre></td>
						<td>
							The class prefix used to find controllers when mapping the URI to the controller class name.
							You have to change this if you want your controllers namespaced or in a different folder then
							app/classes/controller.
						</td>
					</tr>


					<tr>
						<th>routing</th>
						<td colspan="3">
							<strong>Array, containing the configuration keys to control routing behaviour :</strong>
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.case_sensitive</th>
						<td>bool</td>
						<td><pre class="php"><code>true</code></pre></td>
						<td>
							Whether URI routing is case-sensitive or not. If true, "/THIS" and "/this" are different routes.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.strip_extension</th>
						<td>mixed</td>
						<td><pre class="php"><code>true</code></pre></td>
						<td>
							If false, nothing will be stripped. If true, all extensions will be stripped. If an array,
							it should contain a list of extensions (including the leading DOT!) that needs to be stripped.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.module_routes</th>
						<td>bool</td>
						<td><pre class="php"><code>false</code></pre></td>
						<td>
							When true, the modules routes config file is loaded and added to the global routing table when
							you load the module.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.recursive</th>
						<td>bool</td>
						<td><pre class="php"><code>false</code></pre></td>
						<td>
							If true, and the requested URI resolves to a defined route, but that route doesn't resolve
							to a valid controller action, the resolved route will be processed again by the routing engine.
						</td>
					</tr>
					<tr>
						<td colspan="4">&nbsp;</td>
					</tr>

					<tr>
						<th>response</th>
						<td colspan="3">
							<strong>Array, containing the configuration keys to control response behaviour :</strong>
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.redirect_with_wildcards</th>
						<td>bool</td>
						<td><pre class="php"><code>true</code></pre></td>
						<td>
							If true, you can use the "*" as a segement wildcard when redirecting. These segments will then
							be filled in from the original request URI. So a redirect on "admin/user/edit" to "*/*/view"
							will redirect to "admin/user/view".
						</td>
					</tr>
					<tr>
						<td colspan="4">&nbsp;</td>
					</tr>

					<tr>
						<th>config</th>
						<td colspan="3">
							<strong>Array, containing the configuration keys to control the configuration environment :</strong>
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.database</th>
						<td>string</td>
						<td><pre class="php"><code>null</code></pre></td>
						<td>
							The database that stores your configuration data table, if you have opted to use the database as you
							configuration data backend.
						</td>
					</tr>
						<th style="padding-left:20px;">.table_name</th>
						<td>string</td>
						<td><pre class="php"><code>'config'</code></pre></td>
						<td>
							The table that stores your configuration data, if you have opted to use the database as you
							configuration data backend.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.memcached</th>
						<td>array</td>
						<td><pre class="php"><code>array('identifier' => 'config',
	'servers' => array(
		array(
			'host' => '127.0.0.1',
			'port' => 11211,
			'weight' => 100),
	),
)</code></pre></td>
						<td>
							Memcached configuration, if you have opted to use a memcached store as you
							configuration data backend.
						</td>
					</tr>
					<tr>
						<td colspan="4">&nbsp;</td>
					</tr>

					<tr>
						<th>lang</th>
						<td colspan="3">
							<strong>Array, containing the configuration keys to control the language environment :</strong>
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.database</th>
						<td>string</td>
						<td><pre class="php"><code>null</code></pre></td>
						<td>
							The database that stores your translation data table, if you have opted to use the database as you
							translation data backend.
						</td>
					</tr>
						<th style="padding-left:20px;">.table_name</th>
						<td>string</td>
						<td><pre class="php"><code>'config'</code></pre></td>
						<td>
							The table that stores your translation data, if you have opted to use the database as you
							translation data backend.
						</td>
					</tr>
					<tr>
						<td colspan="4">&nbsp;</td>
					</tr>

					<tr>
						<th>module_paths</th>
						<td>array</td>
						<td><pre class="php"><code>array(APPPATH.'modules'.DS)</code></pre></td>
						<td>
							Paths to module directories. Used when adding a module without specifying the location.
						</td>
					</tr>

					<tr>
						<th>package_paths</th>
						<td>array</td>
						<td><pre class="php"><code>array(PKGPATH)</code></pre></td>
						<td>
							Paths to package directories. Used when adding a package without specifying the location.
						</td>
					</tr>

					<tr>
						<th>always_load</th>
						<td colspan="3">
							<strong>Array, containing the items the framework has to load when it initializes:</strong>
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.packages</th>
						<td>array</td>
						<td><pre class="php"><code>array()</code></pre></td>
						<td>
							Which packages to autoload. Specify like so: <strong>array('package')</strong> or <strong>array('package' => PKGPATH.'path/to/package')</strong>. In order for this to work a package path must be set in <em>package_paths</em>
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.modules</th>
						<td>array</td>
						<td><pre class="php"><code>array()</code></pre></td>
						<td>
							Which modules to autoload. Specify like so: <strong>array('package')</strong>. Autoloaded modules are accessible via
							the URL. In order for this to work a module path must be set in <em>module_paths</em>
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.classes</th>
						<td>array</td>
						<td><pre class="php"><code>array()</code></pre></td>
						<td>
							Which classes to autoload and initiate. When you want to autoload a class from a package or module, make sure
							that is autoloaded too!
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.config</th>
						<td>array</td>
						<td><pre class="php"><code>array()</code></pre></td>
						<td>
							Which config files to autoload. Load a config file into a group like so: <strong>array('config')</strong> or
							<strong>array('filename' => 'group')</strong>. If you do not want to load the file into a set the group name to
							<em>null</em>: <strong>array('filename' => null)</strong>.
						</td>
					</tr>
					<tr>
						<th style="padding-left:20px;">.language</th>
						<td>array</td>
						<td><pre class="php"><code>array()</code></pre></td>
						<td>
							Which language files to autoload. Load a config file into a group like so: <strong>array('lang')</strong> or
							<strong>array('filename' => 'group')</strong>. If you do not want to load the file into a set the group name to
							<em>null</em>: <strong>array('filename' => null)</strong>.
						</td>
					</tr>
					<tr>
						<td colspan="4">&nbsp;</td>
					</tr>

				</tbody>
			</table>

			<p>
				Interacting with config files/settings is done using the <a href="../classes/config.html">Config</a> class.
				Config files can also be generated using <a href="../packages/oil/generate.html#configs">Oil</a>.
			</p>

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