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simple object assocition

Hi,

I need to share 1 object e.g. "UserPermission " to 2 others e.g.
"Document", "File" objects.
How can I make it without pointers? Many thanks for any help.
Jul 17 '05 #1
2 1449
Radim B wrote:
I need to share 1 object e.g. "UserPermission " to 2 others e.g.
"Document", "File" objects.
How can I make it without pointers? Many thanks for any help.


What do you mean with pointers? One way to go would be to extend the
UserPermission object with other objects.

http://www.php.net/manual/en/keyword.extends.php
JW

Jul 17 '05 #2
Hi,

On 16 Jul 2004 14:03:06 -0700, de********@sezn am.cz (Radim B) wrote:
Hi,

I need to share 1 object e.g. "UserPermission " to 2 others e.g.
"Document", "File" objects.
How can I make it without pointers? Many thanks for any help.


I nearly always use a mediator:

class mediator{

function &obj_instance() {

static $instance;

if (!isset($instan ce)){
$instance = new obj();
}

return $instance;
}
}
You can access this in any (class) function with

$obj =& mediator::obj_i nstance();
In this version all $obj would use the same object, but you can
control that from within the mediator.
HTH, Jochen
--
Jochen Daum - Cabletalk Group Ltd.
PHP DB Edit Toolkit -- PHP scripts for building
database editing interfaces.
http://sourceforge.net/projects/phpdbedittk/
Jul 17 '05 #3

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