private function get_alias_property( $alias )
	{
		if ( array_key_exists( $alias, $this->aliases ) )
			return $this->aliases[$alias];

		return $alias;
	}
private function get_alias_property( $alias )
	{
		if ( array_key_exists( $alias, $this->aliases ) )
			return $this->aliases[$alias];

		return $alias;
	}
private function get_alias_property ( $ alias ) { if ( array_key_exists ( $ alias , $ this -> aliases ) ) return $ this -> aliases [ $ alias ] ; return $ alias ; }
Returns property mapped to alias.

@param string $alias Alias.

@return string
Returns property mapped to alias .