/** * Function to create links for sorting * * @param string $column the name of the database column to sort by * @return string with links to order by column. */ static function orderby($column) { $nav = "<a href='" . SELF::getQueryString(array('orderby' => $column, 'order' => 'asc')) . "'>↓</a>"; $nav .= "<a href='" . SELF::getQueryString(array('orderby' => $column, 'order' => 'desc')) . "'>↑</a>"; return "<span class='orderby'>" . $nav . "</span>"; }