class in a class

[FrEaKmAn]

Hello

I have a mysql_connectio n class, I think I don't need to post it here, inside it has a __construct() for connecting to db and basically everything works.

What I want is to use - I have a variable $db = new mysql_db() - this variable in other classes. Right now I'm using the method that I declare class again, but then I have problem with getting data, because I'm getting errors like:

mysql_query(): supplied argument is not a valid MySQL-Link res...

[nathj]

Hello

I have a mysql_connectio n class, I think I don't need to post it here, inside it has a __construct() for connecting to db and basically everything works.

What I want is to use - I have a variable $db = new mysql_db() - this variable in other classes. Right now I'm using the method that I declare class again, but then I have problem with getting data, because I'm getting errors like:

mysql_query(): supplied argument is not a valid MySQL-Link res...

Hi ,

This is possible - I do it al the time - having asked this very question right here on TheScripts.

Take for example a class called dataobject. this has been instantiaed and you have a local variable called $loDataObject (for arguments sake). Then you have a second object, secondObject (couldn't think of anything else) that you would like to be able to access $loDataObject.

The plan is to instantiate the datObject first, then as you instantiate second object pass the $loDataobject to it:
[php]
// instantiate dataObject
$loDataObject = new dataObject() ;
// instantiate second object
$loSecondObject = new secondObject($l oDataObject)
[/php]
Then in the definition of second object:
[php]
class secondObject
var $loDBObject ;
public function secondObject($p oDataObject)
{
$this->loDBObject->$poDB ;
}
}
[/php]


This works a treat in php 5 and I think it will work in php 4 if the function is not declared as public.

Now in any function on $loSecondObject you can call the datobject via $this->loDBObect-> complete the blank with a property or a function and all is well.

I hope this helps you out.

Cheers
nathj