[UPHPU] classes drive me nuts

[Steve Dibb]

Ah, thank you Dustin -- #3 was what I was trying to remember how to do, and it works! :)

steve

> You can accomplish a few different ways. First, you
> could have your class inherit the PEAR DB class and
> then just call the methods you want from within your
> own classes methods [Example 1]. This, most of the
> time, is regarded as poor OOP style although on
> occasion it can be justified. 
> 
> Another option is to create a member variable in your
> class and in the constructor set it equal to a new DB
> object. [Example 2]
> 
> But it sounds to me like you plan on creating a DB
> object and passing it around to the various objects
> that may need it. If that's the case I would just pass
> a reference to the object into the constructor of my
> custom class and store it in a member variable.
> [Example 3] For completeness I should mention the fact
> that you could just set a member variable equal to the
> DB object after your custom object is instantiated,
> but this also is regarded as poor OOP style.
> 
> Here are examples of how to accomplish the first three
> options:
> [Example 1]
> class MyClass extends DB
> {
>    function MyMethod()
>    {
>       this->Query($sql);
>    }
> }
> 
> [Example 2]
> class MyClass
> {
>    var MyDB;
> 
>    function MyClass()
>    {
>       this->MyDB = new DB();
>    }
> 
>    function MyMethod()
>    {
>       this->MyDB->Query($sql);
>    }
> }
> 
> [Example 3]
> class MyClass
> {
>    var MyDB;
> 
>    function MyClass(refDB)
>    {
>       this->MyDB = refDB;
>    }
> 
>    function MyMethod()
>    {
>       this->MyDB->Query($sql);
>    }
> }
> 
> MyObj = new MyClass(&$DB);
> 
> Sorry for the long post guys, please let me know if I
> should avoid such long posts in the future.
> 
> Dustin
> 
> 
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