[EMAIL PROTECTED] (Erik FranzéN) wrote in
news:[EMAIL PROTECTED]:
> Say the you are going to create a simple forum and you want to have a
> number of classes:
>
> Class Sql - handles the DB interface
> Class User - handles users
> Class Messages - handles messages
>
> When you are writing the code, you first creates a new sql object in
> order to read or write data from or to the database.
>
> Secondly you create a user object in order to handle users, for an
> example, to authenticate the user which is going to write a new
> message in your forum.
>
> The user object have a method which reads user information from the
> database.
> Since you alread have created a sql object, this method should use
> the sql
> object in order to fecth data from the database.
>
> I nice way to do this, would be to send the sql object as an reference
> to the user object constructor and store the object reference to the
> sql object in the user object.
>
> This is not working very well in PHP yet because PHP cannot treat
> objects as references. When you send the sql object to the user object
> constructor method, it will be a copy, not a reference!
>
> How do I get around this? There must be a way to handle this and
> create nice OOO PHP-code? I don't like using global variables as
> object handles.
>
You need to use the & chracter when passing & assigning.
$obj =& new Object;
function func(&$obj)
{
}
To return an object:
function &func()
{
return $obj;
}
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