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I'm building a site that uses K2 extra fields, but I'm customizing the output so I'm not just pulling the entire extra field block.

Normally something like this works for single entry fields:

<?php if($this->item->extraFields->streetaddressone->value != ''): ?> <span class="itemExtraFieldsValue Address1"><?php echo $this->item->extraFields->streetaddressone->value ?></span> <?php endif; ?>

But I have a field that is a multi-select list and I want to pull the entire array into a line on my item page.

I'm a bit of a hack, so I just got stuck on this one.

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3 Answers 3

Reset to default
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It depends on what .php document you're in - if you're in item.php, or the category-item.php files, the following should work.

In the top of the document, add this code:

<!-- Call to prepare extra fields --> <?php $extrafields = array(); foreach($this->item->extra_fields as $item) { $extrafields[$item->id] = $item->value; } ?>

Then, wherever you'd like to call the value of the filled in field, use this:

<?php if($extrafields[ID_NUMBER_OF_FIELD]!=''):?> <!-- if filled in, then call data --> <?php echo $extrafields[ID_NUMBER_OF_FIELD];?> <!-- actual data call --> <?php endif; ?>

tag.php works a little differently, as does the K2 Modules.

tag.php - you don't need the extra code in the head, the following will call your field data.

<?php $extrafields = json_decode($item->extra_fields);?> <?php foreach($extrafields as $key=>$value): ?> <?php if($extrafields[$key]->id == 'ID_NUMBER_OF_FIELD'&&$extrafields[$key]->value!=''): ?> <?php echo $extrafields[$key]->value; ?>, <?php endif; ?> <?php endforeach; ?>

Again, with the module_k2_content, you don't need the top data call. Get your field data this way:

<?php echo $item->extraFields->ALIAS_OF_FIELD->value ;?>

Hope that helps.

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  • I am in item.php and that totally worked. Thank you! Commented Apr 23, 2014 at 16:14
  • No problem!!! I spent many a hour figuring this out, glad it could help someone else. Commented Apr 23, 2014 at 16:15
  • FYI, that code was originally written for me by Jordan. He's on here too, he knows awesome stuff and makes things work for me when I look like I'm about to cry. joomla.stackexchange.com/users/75/jordan-ramstad Commented Apr 25, 2014 at 18:21
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@reactionfaye 's reply above is correct. For reference, this has been part of K2 since Nov 2012 :)

Originally introduced in this blog post for the release of K2 v2.6.2 (http://getk2.org/blog/1068-k2-v262-now-available):

So how would you directly output individual extra fields in your K2 overrides? Simple. Just do something like this (e.g. in item.php) to get the extra field name:

$this->item->extraFields->EXTRAFIELDALIASHERE->name

To get the extra field value you would simply do this:

$this->item->extraFields->EXTRAFIELDALIASHERE->value

Now replace EXTRAFIELDALIASHERE with the actual alias of the extra field you wish to output.

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This can be done with a language override now, Avoiding overwriting your hacks when you upgrade K2. Look for the constant K2_DATE_FORMAT_LC

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