Manual:Config.php/en

  is the base interface for implementations that provide access to read various configuration settings. To get the default implementation, use, or.

Available implementations in core are:


 * &mdash; can access settings in the  superglobal array.
 * &mdash; can contain multiple config objects that are acting as fallback sequence.
 * &mdash; stores the configuration in a member variable, allowing values to be set, rather than only get.

Methods

 * &mdash; returns the value of the configuration value named, $name; throws a ConfigException if not set.
 * &mdash; returns true or false depending if the config object has the configuration value named, $name stored.