BugTrack/2514 Support PHP 8

[pukiwiki/pukiwiki.git] / lib / make_link.php

diff --git a/lib/make_link.php b/lib/make_link.php
index 73ade5f..d8bf67f 100644 (file)
--- a/lib/make_link.php
+++ b/lib/make_link.php
@@ -2,7 +2,7 @@
 // PukiWiki - Yet another WikiWikiWeb clone.
 // make_link.php
 // Copyright
-//   2003-2020 PukiWiki Development Team
+//   2003-2021 PukiWiki Development Team
 //   2001-2002 Originally written by yu-ji
 // License: GPL v2 or (at your option) any later version
 //
@@ -851,8 +851,9 @@ function make_pagelink($page, $alias = '', $anchor = '', $refer = '', $isautolin
 
        $page_filetime = fast_get_filetime($page);
        $is_page = $page_filetime !== 0;
-       if (! isset($related[$page]) && $page !== $vars['page'] && is_page)
+       if (! isset($related[$page]) && $page !== $vars['page'] && $is_page) {
                $related[$page] = $page_filetime;
+       }
 
        if ($isautolink || $is_page) {
                // Hyperlink to the page
@@ -905,7 +906,7 @@ function get_fullname($name, $refer)
        if ($name == '' || $name == './') return $refer;
 
        // Absolute path
-       if ($name{0} == '/') {
+       if ($name[0] == '/') {
                $name = substr($name, 1);
                return ($name == '') ? $defaultpage : $name;
        }
@@ -1024,7 +1025,7 @@ function get_ticketlink_jira_projects()
                } else if (preg_match('/^--\s*([A-Z][A-Z0-9]{1,10}(?:_[A-Z0-9]{1,10}){0,2})(\s+(.+?))?\s*$/', $line, $m)) {
                        if ($active_jira_base_url) {
                                $project_key = $m[1];
-                               $title = $m[2];
+                               $title = isset($m[2]) ? $m[2] : '';
                                array_push($jira_projects, array(
                                        'key' => $m[1],
                                        'title' => $title,