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<?php

function yanco_add_taxonomy_filters() {
		global $typenow;

		// an array of all the taxonomyies you want to display. Use the taxonomy name or slug
		$taxonomies = array('alle-brands');

		// must set this to the post type you want the filter(s) displayed on
		if( $typenow == 'product' ){

			foreach ($taxonomies as $tax_slug) {
				$tax_obj = get_taxonomy($tax_slug);
				$tax_name = $tax_obj->labels->name;
				$terms = get_terms($tax_slug);
				if(count($terms) > 0) {
					echo "<select name='$tax_slug' id='$tax_slug' class='postform'>";
					echo "<option value=''>Alle $tax_name</option>";
					foreach ($terms as $term) {
						if( isset( $_GET[$tax_slug] ) ) {
							echo '<option value='. $term->slug, $_GET[$tax_slug] == $term->slug ? ' selected="selected"' : '','>' . $term->name .' (' . $term->count .')</option>';
						} else {
							echo '<option value="">' . $term->name .' (' . $term->count .')</option>';
						}

					}
					echo "</select>";
				}
			}
		}
	}
	add_action( 'restrict_manage_posts', 'yanco_add_taxonomy_filters' );