miss...

data-post.php

@@ -102,7 +102,7 @@ function get_post_metadata($file, $deleted = false) {
 		$thread_title = load_post_title_by_id($thread_id);
   }
 
-	if ($thread_id != '' && $thread_title != '') {
+	if ($thread_id != '' && $thread_title == '') {
 		$thread_title = '無題#' . mb_substr($thread_id, 0, 7);
 	}
 
@@ -554,7 +554,7 @@ function load_post_title_by_id($id) {
 	if (isset($post_title_cache[$id])) { return $post_title_cache[$id]; }
 
 	$files = glob(POST_DIR . '2*Z*.id' . $id . '.*.txt');
-	if (sizeof($files) !== 1) {
+	if (sizeof($files) != 1) {
 		$files = null;
 		$post_title_cache[$id] = '';
 		return '';

view/post-common.php

@@ -62,6 +62,9 @@ function view_post($post, $options = []) {
 <dt>件名:<b><?= $title ?></b></dt>
 <?php endif; ?>
 <dt><?= $res_num > 0 ? "{$res_num} " : '' ?><?= $html_user ?> <?= $html_time ?></dt>
+<?php if ($link_to_thread && $thread_id > ''): ?>
+<dd>RE: <a href="<?= $thread_url ?>"><?= $thread_title ?></a></dd>
+<?php endif; ?>
 <dd><?= $body ?>
 <?php if (ENABLE_ATTACHMENT && $html_attachment_items != ''): ?>
 <?= PHP_EOL ?>