<?php $current_year = date("Y"); $last_year = date("Y")-1; /* Lists of possible links for a navigation bar, listed in order of appearance. If "match" is TRUE, then this entry corresponds to the current page, and we only output "text" (i.e., no link). If "match" is FALSE, then this entry does not correspond to the current page, so we need to output "href" as well (i.e., generate a link). Specify the match conditions in descending order of discrimination as much as possible, as PHP will drop out of the expression at the first failed test. Outputting links happens more often than not, so we want the decision to be made as quickly as possible. */ $eprint_links = array( "4w" => array( "match" => (isset($_REQUEST["action"]) && ($_REQUEST["action"] == "show_detail_eprint") && isset($_REQUEST["range"]) && ($_REQUEST["range"] == "4w")), "text" => "Past four weeks", "href" => $_SERVER['PHP_SELF'] . "?action=show_detail_eprint;id=" . $_REQUEST["id"] . ";range=4w", ), "current_year" => array( "match" => (isset($_REQUEST["action"]) && ($_REQUEST["action"] == "show_detail_eprint") && isset($_REQUEST["year"]) && ($_REQUEST["year"] == $current_year) && isset($_REQUEST["month"]) && ($_REQUEST["month"] == 0)), "text" => "This year", "href" => $_SERVER['PHP_SELF'] . "?action=show_detail_eprint;id=" . $_REQUEST["id"] . ";year=$current_year", ), "last_year" => array( "match" => (isset($_REQUEST["action"]) && ($_REQUEST["action"] == "show_detail_eprint") && isset($_REQUEST["year"]) && ($_REQUEST["year"] == $last_year) && isset($_REQUEST["month"]) && ($_REQUEST["month"] == 0)), "text" => "Last year", "href" => $_SERVER['PHP_SELF'] . "?action=show_detail_eprint;id=" . $_REQUEST["id"] . ";year=$last_year", ), "all_years" => array( "match" => (isset($_REQUEST["action"]) && ($_REQUEST["action"] == "show_detail_eprint") && isset($_REQUEST["year"]) && ($_REQUEST["year"] == 0) && isset($_REQUEST["month"]) && ($_REQUEST["month"] == 0) && isset($_REQUEST["range"]) && ($_REQUEST["range"] == "")), "text" => "All years", "href" => $_SERVER['PHP_SELF'] . "?action=show_detail_eprint;id=" . $_REQUEST["id"], ), ); print "<p>For this eprint: "; outputNavBar($eprint_links); print "</p>"; ?>