[web-shared] feat/header: Supports setting cache in header

Author: Luffy (sy-records) Date: 2026-09-02T11:01:15+08:00 Commit: https://github.com/php/web-shared/commit/cc89d2a72c0c12c6d082729f9500381a5cb4321c Raw diff: https://github.com/php/web-shared/commit/cc89d2a72c0c12c6d082729f9500381a5cb4321c.diff Supports setting cache in header Changed paths: M templates/header.inc Diff: diff --git a/templates/header.inc b/templates/header.inc index df3a7e9..87f6b3a 100644 --- a/templates/header.inc +++ b/templates/header.inc @@ -20,6 +20,10 @@ * "hidden" => array(array("name" => "hidden-input-name", "value" => "hidden-input-value")), * ); // Search box, if any * $CURRENT_PAGE // The current page + * $CONFIG = array( + * "cache" => 1234567890, // optional, timestamp for Last + * "cache_control" => 3600, // optional, seconds for Cache-Control + * ); */ isset($TITLE) || $TITLE = "Hypertext Preprocessor"; isset($SUBDOMAIN) || $SUBDOMAIN = ""; @@ -29,8 +33,28 @@ isset($HEAD_RAND) || $HEAD_RAND = ""; isset($CSS) || $CSS = array(); isset($SEARCH) || $SEARCH = array(); isset($CURRENT_PAGE) || $CURRENT_PAGE = ""; +isset($CONFIG) || $CONFIG = array(); $ROOT = substr($_SERVER["SERVER_NAME"], -8) == ".php.net" ? "//shared.php.net" : "/shared"; $current_time = time(); + +if (isset($CONFIG["cache"])) { + if (is_numeric($CONFIG["cache"])) { + $timestamp = $CONFIG["cache"]; + } else { + $timestamp = $current_time; + } + $tsstring = gmdate("D, d M Y H:i:s ", $timestamp) . "GMT"; + + if (isset($_SERVER["HTTP_IF_MODIFIED_SINCE"]) && $_SERVER["HTTP_IF_MODIFIED_SINCE"] == $tsstring) { + header("HTTP/1.1 304 Not Modified"); + exit; + } + header("Last-Modified: " . $tsstring); +} + +if (isset($CONFIG["cache_control"]) && is_numeric($CONFIG["cache_control"])) { + header("Cache-Control: public, max-age=" . (int) $CONFIG["cache_control"]); +} ?> <!DOCTYPE html> <html>