Re: constant from variable

""Tanel Tammik"" <keevitaja@gmail.com> wrote in message news:31.A3.00596.0D7590C4@pb1.pair.com... > > "Ashley Sheridan" <ash@ashleysheridan.co.uk> wrote in message > news:1275678975.2217.83.camel@localhost... >> On Fri, 2010-06-04 at 22:07 +0300, Tanel Tammik wrote: >> >>> Hi, >>> >>> define('MYCONST', 'something'); >>> >>> $my = 'my'; >>> $const = 'const'; >>> >>> >>> is it possible to get the value of MYCONST using variables $my and >>> $const_ >>> >>> Br >>> Tanel >>> >>> >>> >> >> >> I don't really see how you can? The only correlation at all is that the >> two variables use the same letters combined as their values as the name >> of the constant but in a different case. Variables and constants in PHP >> are case-sensitive. >> >> Why are you trying to do this anyway? Perhaps there's a better way than >> what you are trying to do. >> >> Thanks, >> Ash >> http://www.ashleysheridan.co.uk >> >> >> > > <?php > define('PERFIX', 'dbperfix_'); > define('DB_MYTABLE', PERFIX . 'mytable'); > > abstract class Database { > private static function table_name() { > $table_name = strtolower(get_called_class()); > return constant('DB_' . strtoupper($table_name)); > } > > public static function return_query() { > return "select * from " . static::table_name() . " where > something='value'"; > } > } > > class MyTable extends Database { > } > > echo MyTable::return_query(); > ?> > > i know i could just do return PERFIX . $table_name. - i'm using it that > way. i was just curious if the other way is possible. might come handy > some day! > > Br > Tanel > this is better: <?php define('PERFIX', 'dbperfix_'); define('DB_MYTABLE', PERFIX . 'mytable'); abstract class Database { private static function table_name() { return constant('DB_' . strtoupper(get_called_class())); } public static function return_query() { return "select * from " . static::table_name() . " where something='value'"; } } class MyTable extends Database { } echo MyTable::return_query(); ?>