get_the_category_exclude.php

<?

// Post category listing with support for exclusion
// $separator is a string, $excluded is an array of category slugs to be excluded from the list
// Sample call:
// echo the_category_exclude(" &middot; ", array("hidden", "admin"));

function get_the_category_exclude($separator, $excluded = array("")) {

	foreach (
		get_the_category()
		as
		$category
	) {
		if (!in_array($category->cat_name, $excluded)) {
			$output[] = "<a href=\"" . get_category_link($category->term_id) . "\" title=\”View all posts in " . $category->name . "\”>" . $category->name . "</a>";
		}
	}

	return implode($separator, $output);

}

?>