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Advice for delimiters between optionally visible items

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clone46
Smarty Rookie

Joined: 13 Jan 2006
Posts: 15

Posted: Wed Jun 18, 2014 11:09 pm Post subject: Advice for delimiters between optionally visible items

Hello,

I have a situation that looks something like this:

Code:

{if $foo != '1234'}
{$foo},
{/if}
{if $bar != '54'}
{$bar},
{/if}
{if $beer != "yum"}
{$beer}
{/if}

As you can probably foresee, if $beer == "yum" (which is pretty often), there's an extra comma at the end of the list. Is there any graceful way to handle this?

Thanks,
Bret

U.Tews
Administrator

Joined: 22 Nov 2006
Posts: 5068
Location: Hamburg / Germany

Posted: Fri Jun 20, 2014 12:35 pm Post subject:

Something like this

Code:

{values = []}
{if $foo != '1234'}
{$values[] = $foo}
{/if}
{if $bar != '54'}
{$values[] = bar}
{/if}
{if $beer != "yum"}
{$values[] = $beer}
{/if}
[code]{foreach $values as $val}{if $val@index > 0}, {/if}{$val}{/foreach}[/code]

writing the {foreach} in one line should put the spaces at the light place.

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