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Problem with nested objects

 
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c77m
Smarty n00b


Joined: 09 Jul 2003
Posts: 2
PostPosted: Wed Jul 09, 2003 12:25 pm    Post subject: Problem with nested objects Reply with quote
I am trying to implement some pages that make use of nested objects, ie:
Code:

class Obj1 () {

  function Obj1() {
    $this->attribute1 = new Obj2();
  }

  function obj2() {
    return $this->attribute1();
  }
}

$obj1 = new Obj1();
$smarty->assign_by_ref("obj1");


I am having trouble referring to the nested object in my templates. Addressing attributes DOES work:

Code:
{$obj1->attribute1->attribute2}


Addressing object functions does not:

Code:
{$obj1->obj2()->attribute2}


I can't seem to find any examples. Can someone tell me what I am doing wrong?
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boots
Administrator


Joined: 16 Apr 2003
Posts: 5611
Location: Toronto, Canada
PostPosted: Wed Jul 09, 2003 4:02 pm    Post subject: Reply with quote
Hi.

Quote:
Addressing object functions does not:

Code:
{$obj1->obj2()->attribute2}


Dereferencing functions like this also does not work in PHP4, by-the-way, which is *probably* why it does not work in Smarty.

Last edited by boots on Wed Jul 09, 2003 9:33 pm; edited 1 time in total
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c77m
Smarty n00b


Joined: 09 Jul 2003
Posts: 2
PostPosted: Wed Jul 09, 2003 8:17 pm    Post subject: Reply with quote
Well howabout that... that could be the problem indeed. Smile I ran into this while I was trying to clean up my code (by addressing object funtions instead of properties.) Time for a new approach.

thanks again..
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boots
Administrator


Joined: 16 Apr 2003
Posts: 5611
Location: Toronto, Canada
PostPosted: Wed Jul 09, 2003 9:36 pm    Post subject: Reply with quote
I forgot to mention that as per PHP4, you can still do an intermediate assignment to mimic the behaviour you desire--its just not as clean and possibly not as fast (especially if you don't pass by reference):

{assign var=temp value=$obj1->obj2()}
{$test->attribute2}
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