RE: Using Static Class Variables to Access Globally

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> -----Original Message-----
> From: Ryan Panning [mailto:rpanning@xxxxxxxxx]
> Sent: Tuesday, September 23, 2008 8:03 PM
> To: php-general@xxxxxxxxxxxxx
> Subject:  Using Static Class Variables to Access Globally
>
> The typical way to access a variable or instance from inside a
> function/method is to either declare it a global variable or pass it as
> a argument. Is there any reason why someone shouldn't use static class
> variables to do this? Ex:
>
> <?php
> class Foo {
>         public static $bar_instance;
> }
>
> class Bar {
>         public function do_something() {}
> }
>
> Foo::$bar_instance = new Bar;
>
> function foo_bar() {
>         Foo::$bar_instance->do_something();
> }
>
> foo_bar();
> ?>
>
> Crude example but imagine this on a larger scale. I'm thinking there
> may
> be some kind of php optimization that this would hamper or something to
> that effect.

I can't think of any particular reason to not do this.


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