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shortcircuit3/gist:3276022

Created August 6, 2012 16:15
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gistfile1.php
// Find parent category for related posts
global $post;
$category = get_the_category();
$cat_tree = get_category_parents($category[0]->term_id, FALSE, ':', TRUE);
$top_cat = split(':',$cat_tree);
$parent = $top_cat[0];
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