Re: class variable shared by all objects
| From: | Robert Cummings | Date: | Wed, 16 Oct 2002 20:32:13 +0000 |
| Subject: | Re: class variable shared by all objects | ||
| References: | 1 2 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-120236@lists.php.net to get a copy of this message | ||
Robert Cummings wrote:
>
> christophe barbe wrote:
> >
> > I guess the answer is obvious but can't find it in the manual.
> >
> > Is it possible to have a variable in a class that is shared by all
> > instances. I thought 'static' would do it but apparently not.
>
> I don't recall such a thing, but if you can't find an option for
> a class variable, implement a method which emulates a class variable
> system.
>
> function getSetClassVar( $name, $set=null )
> {
> static $values = array();
>
> if( !is_null( $set ) )
> {
> $values[$name] = $set;
> }
>
> return isset( $values[$name] ) ? $values[$name] : null;
> }
>
> function getClassVar( $name )
> {
> return $this->getSetClassVar( $name );
> }
>
> function setClassVar( $name, $value )
> {
> return $this->getSetClassVar( $name, $value );
> }
Whoops forgot the second parameter in the setClassVar method.
Updated in the above.
Cheers,
Rob.
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