public static function get( $key = null ) {
		$configs = self::$configs;
		if ( $key ) {
			$configs = ! empty( self::$configs[ $key ] ) ? self::$configs[ $key ] : null;
		} else {
			$configs = self::$configs;
		}

		return $configs;
	}
public static function get( $key = null ) {
		$configs = self::$configs;
		if ( $key ) {
			$configs = ! empty( self::$configs[ $key ] ) ? self::$configs[ $key ] : null;
		} else {
			$configs = self::$configs;
		}

		return $configs;
	}
public static function get ( $ key = null ) { $ configs = self :: $ configs ; if ( $ key ) { $ configs = ! empty ( self :: $ configs [ $ key ] ) ? self :: $ configs [ $ key ] : null ; } else { $ configs = self :: $ configs ; } return $ configs ; }
Get configs or config by key.

@since 1.0.0

@param  [type] $key [description]

@return [type]      [description]
Get configs or config by key .