Need a tripple variable to show Image

Hello together,

i hope to have here a easy to solve question… I get only a headache of it.

I have two plugin that are showing me preview pics on the main page, but both do it with a different custom field variable “preview” and “pl_preview_lt”.

I could figure out after long long discussions with my theme that i need this code to show one or the other one, depend on what is available:

<a href="<?php the_permalink() ?>" title="<?php the_title_attribute(); ?>">
<?php $thumb = wela_getcustomfield('preview',get_the_ID()); if(!empty($thumb)) { ?>
<img src="<?php echo $thumb; ?>" alt="<?php the_title_attribute(); ?>" class="preview"/> <?php } else { ?>
<?php } $thumb = wela_getcustomfield('pl_preview_lt',get_the_ID()); if(!empty($thumb)) { ?>
<img src="<?php echo $thumb; ?>" alt="<?php the_title_attribute(); ?>" class="preview"/> <?php } ?>
</a>

Took me a while, but its running now.

BUT, if i have neither one of the custom fields, i need a replacement.. a simple Placeholder graphic.

That i can’t get right in any form and i have no idea how to get that, does someone could add just that line to the code? I still have no idea of PHP, but there must be an easy solution 🙁

Thanks in advance already
Sascha