Re: Coding Practice: Use global $var or pass in by refernce

[Jens Kleikamp <jens@xxxxxxxxxxxxxxxxxx>]

Mark Steudel wrote:
> I was wondering what the general rule on using the global driective versus
> passing in a variable by reference, why you should or shouldn't, etc.
>  
> e.g.
>  
> function ()
> {
>     global $db;
>  
>     $res =& $db->query( "SQL");
> }
>  
> or
>  
> function ( &$db )
> {
>  
>     $res =& $db->query( "SQL");
> }

or

function foo ()
{
    $db = & $GLOBALS['database'];
    $res = & $db->query();
}

or

function foo ()
{
    $res = & $GLOBALS['database']->query();
}

Just some more possibilities...


cheers
Jens

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