Only print the parent category (WordPress) -

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i making blog template theme. have 1 problem...

if post post on blog, want display parent category of post.

so example, if post post category hierarchy: - vacation - france - first day

i want vacation displayed on blog.

does know how solve problem?

sincerely, joren

<?php $parentscategory ="";  foreach((get_the_category()) $category) { if ($category->category_parent == 0) {  $parentscategory .= ' <a href="' . get_category_link($category->cat_id) . '" title="' . $category->name . '">' . $category->name . '</a>, ';  }  }  echo substr($parentscategory,0,-2); ?>

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