protected function _getConfigValue( $key, $default = null )
	{
		$config = $this->_item->getConfig();

		if( isset( $config[$key] ) ) {
			return $config[$key];
		}

		return $default;
	}
protected function _getConfigValue( $key, $default = null )
	{
		$config = $this->_item->getConfig();

		if( isset( $config[$key] ) ) {
			return $config[$key];
		}

		return $default;
	}
protected function _getConfigValue ( $ key , $ default = null ) { $ config = $ this -> _item -> getConfig ( ) ; if ( isset ( $ config [ $ key ] ) ) { return $ config [ $ key ] ; } return $ default ; }
Returns the configuration value from the service item specified by its key.

@param string $key Configuration key
@param mixed $default Default value if configuration key isn't available
@return mixed Value from service item configuration
Returns the configuration value from the service item specified by its key .