further improvements, make more portable

themes/hugo-mastodon-comments/static/comments/getcomments.php

@@ -8,6 +8,12 @@ $search = isset($_GET['search']) ? $_GET['search'] : '';
 /* cache files */
 $dbt = "cache-toots.json";
 
+/* Exit if search empty */
+if (empty($search)) {
+  out("No proper search given");
+  die();
+}
+
 /* MISC FUNCTIONS */
 function out($data) {
   error_log("[getcomments.php] " . print_r($data, TRUE));
@@ -47,6 +53,7 @@ if (!empty($toots['0']['id'])) {
 } else {
   /* if cached toots do not exist, start from oldest toot */
   $min_id = "0";
+  $min_id_cached = "0";
 }
 
 
@@ -92,11 +99,12 @@ if ($min_id !== $min_id_cached) {
 /* check if URL from $search exists in $toots */
 // if multiple exist, take the oldest one (highest array position)
 $id = array_keys(array_column($toots, 'url'), strtolower($search));
+if (empty($id)) {
+  out("Blog URL \"$search\" has not been found");
+  die();
+}
 $id = $toots[end($id)]['id'];
-// TODO: graceful exit if no toot exists
 
-
-$id = "102955148581768112"; // TODO test
 /* Extract comments and stats from toot */
 $result = ['comments' => [], 'stats' => ['reblogs' => 0, 'favs' => 0, 'replies' => 0, 'url' => '', 'root' => 0]];