On Sat, 2010-09-18 at 12:21 -0400, chris h wrote:
> When you really NEED a global resource I'm a fan of a registry class. It's
> a little slower but not noticeable in most cases.
>
> With a registry you can store all global data in a single, controlled area.
> You can also store arrays and resources instead of just strings. One down
> side to most registry classes is that it's not truly "constant" data, but
> with magic methods you can correct that.
>
>
> In this class you can store values globally, and once they are set they
> can't be easily changed.
>
> myRegistry::get()->test = array('abc','xyz');
> myRegistry::get()->test = 1234;
>
> echo myRegistry::get()->test[1]; // should echo 'xyz'
>
>
> I just typed this up real quick so there may be errors; but if you want to
> try it, it should at least give you the just of it.
> -------------untested code----------------
> class myRegistry {
>
> private $_Data = array();
>
> static private $_Object = null;
>
>
> static public function get () {
>
> if( !( self::$_Object instanceof self ))
> self::$_Object = new self();
>
> return self::$_Object;
>
> }
>
>
> private function __construct () { }
>
>
> public function __get ($name) {
>
> if (isset( $this->_Data[$name] ))
> return $this->_Data[$name];
>
> return null;
>
> }
>
>
> public function __set ($name, $value) {
>
> if (isset( $this->_Data[$name] ))
> return false;
>
> return $this->_Data[$name] = $value;
>
> }
>
> }
> ------------------
>
> On Thu, Sep 16, 2010 at 10:50 AM, tedd <tedd.sperling@xxxxxxxxx> wrote:
>
> > At 8:46 AM -0400 9/15/10, Peter van der Does wrote:
> >
> >> Hi,
> >>
> >> How do you people store data that doesn't change, an example of this
> >> would be the version number of your software. You might want to use it
> >> through out your program but how to you store it?
> >>
> >> As far as I can see there are several options to use this data.
> >> 1. Global Variable
> >> 2. Store it in a registry class
> >> 3. Store it in a named constant.
> >> 4. Use a function that will return the data (kind of like a regsitry
> >> class but it's not a class)
> >>
> >> Personally I don't like option 1 but what about the other options. Is
> >> any of them faster then the others. What other pros and cons are there.
> >>
> >
> > Make it's a Constant -- it's simply a Global that doesn't change.
> >
> > I typically hold such things in a global configuration file that can be
> > included when needed.
> >
> > Cheers,
> >
> > tedd
> >
> > --
> > -------
> > http://sperling.com/
> >
> >
> > --
> > PHP General Mailing List (http://www.php.net/)
> > To unsubscribe, visit: http://www.php.net/unsub.php
> >
> >
You might want to add in some error returns from the setters instead of
just false, as attempting to overwrite a real constant would issue a
notice.
Thanks,
Ash
http://www.ashleysheridan.co.uk
