Add support for <link hreflang> as suggested by Joost de Valk <joost@yoast.com>

bjori · bjori · commit cb20874745b7 · 2014-06-03T15:39:13.000-07:00
diff --git a/include/header.inc b/include/header.inc
@@ -31,6 +31,9 @@ if ($config["cache"]) {
     }
     header("Last-Modified: " . $tsstring);
 }
+if (!isset($config["languages"])) {
+    $config["languages"] = array();
+}
 
 ?>
 <!DOCTYPE html>
@@ -51,13 +54,18 @@ if ($config["cache"]) {
  <link rel="canonical" href="http://php.net/<?php echo $_SERVER['BASE_PAGE']?>">
 <?php if ($shortname): ?>
  <link rel="shorturl" href="<?php echo $shorturl ?>">
+ <link rel="alternate" href="<?php echo $shorturl ?>" hreflang="x-default">
 <?php endif ?>
 <?php endif ?>
 
 <?php foreach($config["meta-navigation"] as $rel => $page): ?>
  <link rel="<?php echo $rel ?>" href="<?php echo $MYSITE ?><?php echo $page ?>">
 <?php endforeach ?>
 
+<?php foreach($config["languages"] as $code): ?>
+ <link rel="alternate" href="<?php echo $MYSITE ?>/manual/<?php echo $code?>/<?php echo $config["thispage"] ?>" hreflang="<?php echo $code?>">
+<?php endforeach ?>
+
 <?php foreach($CSS as $filename => $modified): ?>
 <link rel="stylesheet" type="text/css" href="<?php echo $MYSITE ?>cached.php?t=<?php echo $modified?>&amp;f=<?php echo $filename?>" media="screen">
 <?php endforeach ?>
diff --git a/include/shared-manual.inc b/include/shared-manual.inc
@@ -368,6 +368,7 @@ function manual_navigation_related(array $setup) {
 // including HTTP header information
 function manual_setup($setup) {
     global $PGI, $MYSITE, $USERNOTES;
+    global $ACTIVE_ONLINE_LANGUAGES;
 
     //TODO: get rid of this hack to get the related items into manual_footer
     global $__RELATED; 
@@ -404,6 +405,7 @@ function manual_setup($setup) {
     $config = array(
         "current" => "docs",
         "breadcrumbs" => $breadcrumbs,
+        "languages"   => array_keys($ACTIVE_ONLINE_LANGUAGES),
         "meta-navigation" => array(
             "contents" => $base . $setup["home"][0],
             "index"    => $base . $setup["up"][0],
