Simplifying complex {if}{else} statements in {foreach} loops

[psy]

An easy way to exclude items is to put one {if} conditional statement, an action and close the {/if} at the beginning of the loop, eg:

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{foreach from=$items item='entry'}
{if $entry == 'something' || or $entry < 15} 
  {continue}
{/if}
<p>do whatever with all the other entries.</p>
{/foreach}

Then when the loop encounters an entry that meets the condition, it immediately moves on to the next entry.

You can also shorten {foreach} processing times by making the loop stop once it meets the first instance of a condition, eg:

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{foreach from=$items item='entry'}
{if $entry == 'something' }
  <p>Hello {$entry}</p>
  {break} 
{/if}
{/foreach}