paths = $paths;
}
/**
* Determine if a configuration item or file exists.
*
* @param string $key
* @return bool
*/
public function has($key)
{
return ! is_null($this->get($key));
}
/**
* Get a configuration item.
*
* If the name of a configuration file is passed without specifying an item, the
* entire configuration array will be returned.
*
*
* // Get the "timezone" option from the "application" file
* $timezone = Config::get('application.timezone');
*
* // Get the SQLite connection configuration from the "database" file
* $sqlite = Config::get('database.connections.sqlite');
*
* // Get a configuration option and return "Fred" if it doesn't exist
* $option = Config::get('config.option', 'Fred');
*
*
* @param string $key
* @param string $default
* @return array
*/
public function get($key, $default = null)
{
list($file, $key) = $this->parse($key);
if ( ! $this->load($file))
{
return ($default instanceof \Closure) ? call_user_func($default) : $default;
}
if (is_null($key)) return $this->items[$file];
return Arr::get($this->items[$file], $key, $default);
}
/**
* Set a configuration item.
*
* If a specific configuration item is not specified, the entire configuration
* array will be replaced with the given value.
*
*
* // Set the "timezone" option in the "application" file
* Config::set('application.timezone', 'America/Chicago');
*
* // Set the entire "session" array to an empty array
* Config::set('session', array());
*
*
* @param string $key
* @param mixed $value
* @return void
*/
public function set($key, $value)
{
list($file, $key) = $this->parse($key);
$this->load($file);
(is_null($key)) ? Arr::set($this->items, $file, $value) : Arr::set($this->items[$file], $key, $value);
}
/**
* Parse a configuration key and return its file and key segments.
*
* Configuration keys follow a {file}.{key} convention.
*
* @param string $key
* @return array
*/
protected function parse($key)
{
$segments = explode('.', $key);
$key = (count($segments) > 1) ? implode('.', array_slice($segments, 1)) : null;
return array($segments[0], $key);
}
/**
* Load all of the configuration items from a module configuration file.
*
* If the configuration file has already been loaded, it will not be loaded again.
*
* @param string $file
* @return bool
*/
protected function load($file)
{
if (isset($this->items[$file])) return true;
$config = array();
foreach ($this->paths as $directory)
{
$config = (file_exists($path = $directory.$file.EXT)) ? array_merge($config, require $path) : $config;
}
if (count($config) > 0) $this->items[$file] = $config;
return isset($this->items[$file]);
}
}