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A while loop that assigns values until null

 
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jarofgreen
Smarty Rookie


Joined: 09 Jul 2010
Posts: 14
PostPosted: Fri Sep 24, 2010 9:43 am    Post subject: A while loop that assigns values until null Reply with quote
I'm looking for a plug-in for Smarty 3 that does a while loop like the PHP code:

Code:
while($x = $y->getNextResult()) {
   ...
}


So it loops round until getNextResult() starts to return Null.

It would look something like this:

Code:
{whileassign from=$y->getNextResult() var=x}
  ... {$x} ...
{/whileassign}


Ideally, it would also assign counters to the smarty global like for does, so you can have

Code:
{whileassign from=$y->getNextResult() var=x name=foo}
  ...  {$x} ... {$smarty.while.foo.index} ...
{/whileassign}


Or at the very least:

Code:
{whileassign from=$y->getNextResult() var=x counter=count}
  ...  {$x} ... {$count} ...
{/whileassign}


Does anyone have such a thing, or can anyone point me to something similar I can use as guidance to write one myself? I'll release it under the BSD licence as part of Elastik (which you can find on SourceForge)

Thanks very much,
James
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U.Tews
Administrator


Joined: 22 Nov 2006
Posts: 5068
Location: Hamburg / Germany
PostPosted: Fri Sep 24, 2010 12:54 pm    Post subject: Reply with quote
This is already build in (not yet documented)

Code:
{while $x=$y->getNextResult()}
  ... {$x} ...
{/while}


or
Code:
{while $x>0} 
.... {$x=$x-1}....
{/while}


The {while} tag can be used with an assignment as in the first example or an if-condition like in the second example.
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jarofgreen
Smarty Rookie


Joined: 09 Jul 2010
Posts: 14
PostPosted: Fri Sep 24, 2010 1:30 pm    Post subject: Reply with quote
Cool, that's fantastic! And I have just realised I can use Cycle to do what I want so I don't need to get a count out of it.

Thanks for your prompt reply Smile
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