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Operations with array indexes

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c0p0n
Smarty n00b

Joined: 15 Jul 2003
Posts: 4

Posted: Tue Sep 30, 2003 2:27 pm Post subject: Operations with array indexes

I wanna do this:

Code:

{section name=i loop=$datos}
 {if ($datos[i].idmedia != $datos[i-1].idmedia)}
 CD: {$datos[i].idmedia}
 {/if}
 
 {$datos[i].path}/{$datos[i].name}
 
 {/section}

The problem is at $datos[i-1].idmedia stuff, it seems that I cannot do it. I've tried also:

Code:

{section name=i loop=$datos}
 {assign var="j" value="$i-1"}
 {if ($datos[i].idmedia != $datos[j].idmedia)}
 CD: {$datos[i].idmedia}
 {/if}
 
 {$datos[i].path}/{$datos[i].name}
 
 {/section}

With no luck.

The thing that I want to do is simple: if the content of that var is not equal to the content of the same var, but on the previous loop, the template should show a text.

(the source is a list of archives, ordered by CD-ROM numbers. If the actual CD is not the same as the previous, it begins a new CD-ROM files listing so it should display the actual CD).

Edit: oh! I forgot!. Smarty 2.5.0

messju
Administrator

Joined: 16 Apr 2003
Posts: 3336
Location: Oldenburg, Germany

Posted: Tue Sep 30, 2003 3:49 pm Post subject: Re: Operations with array indexes

maybe sth. like this:

(untested)

Code:

{assign var=recent_id value=-1} {* some "illegal" id *}
{section name=i loop=$datos}
{if ($datos[i].idmedia != recent_id)}
CD: {$datos[i].idmedia}
{assign var=recent_id value=$datos[i].idmedia}
{/if}

{$datos[i].path}/{$datos[i].name}

{/section}

c0p0n
Smarty n00b

Joined: 15 Jul 2003
Posts: 4

Posted: Tue Sep 30, 2003 4:12 pm Post subject:

thank U sir! it worked, with a little modification:

Code:

{assign var=recent_id value=-1}
 {section name=i loop=$datos}

 {if ($datos[i].idmedia != $recent_id)}
 CD: {$datos[i].idmedia}
 {assign var=recent_id value=$datos[i].idmedia}
 {/if}
 
 {$datos[i].path}/{$datos[i].name}
 
 {/section}

I had to put the first {assign} statement before the loop, because it reseted to -1 every time the loop went back to beginning (I think that that was the way you thought it, but you wrote it badly).
again, thanx! ;D

messju
Administrator

Joined: 16 Apr 2003
Posts: 3336
Location: Oldenburg, Germany

Posted: Tue Sep 30, 2003 4:51 pm Post subject:

what are you smokin'? of course i initilalized recent_id outside of the section.

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