diff --git a/index.php b/index.php
index 5e16722..480fdbf 100644
--- a/index.php
+++ b/index.php
@@ -44,6 +44,39 @@
return $result;
}
+ public static function getMetaKeywords() {
+
+ $keywords = [];
+
+ if ($signals = file_get_contents('SIGNALS/YGGDRASIL.md')) {
+
+ foreach (explode(PHP_EOL, $signals) as $signal) {
+
+ if (preg_match('/\[(.*?)\]\((.*?)\)/ui', $signal, $data)) {
+
+ if (!empty($data[2])) {
+
+ if ($query = parse_url($data[2], PHP_URL_PATH)) {
+
+ foreach (explode('/', $query) as $keyword) {
+
+ $keyword = trim($keyword);
+
+ if (!empty($keyword)) {
+
+ $keyword = mb_strtolower($keyword);
+ $keywords[md5($keyword)] = $keyword;
+ };
+ }
+ }
+ }
+ }
+ }
+ }
+
+ return implode(',', $keywords);
+ }
+
private static function _getSignalPosition(int $hash, bool $reverse = false, int $padding = 20) {
$variant = $reverse ? array_reverse(str_split($hash, 2)) : str_split($hash, 2);
@@ -69,8 +102,8 @@
YGGwave ~ The Radio Catalog
-
-
+
+