<article class="clearfix">

  <a href="<?php print $fields['path']->content; ?>">
		  
    <?php $result = image_get_info( $fields['field_afbeelding_fid']->content ); ?>
    
		  <?php if($result['width'] >= $result['height']) : ?>
		    <img src="<?php print imagecache_create_url( 'product-liggend', $fields['field_afbeelding_fid']->content); ?>" alt="productgroep" />
		  <?php else: ?>
		    <img src="<?php print imagecache_create_url( 'product-staand', $fields['field_afbeelding_fid']->content); ?>" alt="productgroep" />
		  <?php endif; ?>
				
				<h3><?php print $fields['title']->content; ?></h3>
				
				<div class="description" style="display: none;"><?php print $fields['field_samenvatting_value']->content; ?></div>
				
		</a>
		
</article>

imagecache preset depending on height and width of the image

imagecache preset function

template, drupal

PHP