// Displays the first category of a given portfolio

gistfile1.txt

if ( ! function_exists( 'wpex_portfolio_first_cat' ) ) {
		function wpex_portfolio_first_cat($postid=false) {
			global $post;
			$postid = $postid ? $postid : $post->ID;		
			$cats = get_the_terms( $postid, 'portfolio_category' );
			$output = '';	
			if( $cats ) {
				$count=0;
				foreach( $cats as $cat ) {
					$count++;
					if ( $count == 1 ) {
						$output .= '<a href="'. get_term_link($cat->slug, 'portfolio_category') .'" title="'. $cat->name .'">'. $cat->name .'</a>';
					}
				}
			}
			return $output;
		}
	}