File zp-extensions/check_for_update.php

Packages

admin
classes
- media
CodeIgniter
- Libraries
core
functions
JSMin
None
OpenID
PHP
PHPMailer
plugins
- admin
- development
- feed
- mail
- media
- misc
- seo
- spam
- uploader
- users
- zenpage
- zenphoto
  - news
Services
- JSON
Classes

Exceptions

Functions

 1: <?php
 2: /**
 3:  * Provides a check for more recent Zenphoto Versions.
 4:  *
 5:  * @author Stephen Billard (sbillard)
 6:  * @package plugins
 7:  * @subpackage admin
 8:  */
 9: $plugin_is_filter = 5 | ADMIN_PLUGIN;
10: $plugin_description = gettext("Checks if there is a Zenphoto versions that is newer than the installed version.");
11: $plugin_author = "Stephen Billard (sbillard)";
12: $plugin_disable = (!class_exists('DOMDocument')) ? gettext('PHP <em>DOM Object Model</em> is required.') : false;
13: 
14: if (!$plugin_disable) {
15:     if (OFFSET_PATH == 2) {
16:         if (TEST_RELEASE) {
17:             enableExtension('check_for_release', $plugin_is_filter);
18:         }
19:     } else {
20:         $me = explode('?', getRequestURI());
21:         if (basename(array_shift($me)) == 'admin.php') {
22:             $v = getOption('last_update_version');
23:             $last = getOption('last_update_check');
24:             if (empty($last) || is_numeric($last)) {
25:                 if (time() > $last + 1728000) {
26:                     //  check each 20 days
27:                     $v = checkForUpdate();
28:                     setOption('last_update_check', time());
29:                     setOption('last_update_version', $v);
30:                     if ($v) {
31:                         setOption('last_update_msg', '<a href="http://www.zenphoto.org" alt="' . gettext('Zenphoto download page') . '">' . gettext("A new version of Zenphoto version is available.") . '</a>');
32:                     }
33:                 }
34:             }
35:             if ($v) {
36:                 zp_register_filter('admin_note', 'admin_showupdate');
37:             }
38:         }
39:     }
40: }
41: 
42: /**
43:  * Searches the zenphoto.org home page for the current zenphoto download
44:  * locates the version number of the download and compares it to the version
45:  * we are running.
46:  *
47:  * @return string If there is a more current version on the WEB, returns its version number otherwise returns FALSE
48:  * @since 1.1.3
49:  */
50: function checkForUpdate() {
51:     $webVersion = false;
52:     if (is_connected() && class_exists('DOMDocument')) {
53:         require_once(dirname(__FILE__) . '/zenphoto_news/rsslib.php');
54:         $recents = RSS_Retrieve("http://www.zenphoto.org/index.php?rss=news&category=changelog");
55:         if ($recents) {
56:             array_shift($recents);
57:             $article = array_shift($recents); //    most recent changelog article
58:             $v = trim(str_replace('zenphoto-', '', basename($article['link'])));
59:             $c = explode('-', ZENPHOTO_VERSION);
60:             $c = array_shift($c);
61:             if ($v && version_compare($c, $v, "<")) {
62:                 $webVersion = $v;
63:             }
64:         }
65:     }
66:     return $webVersion;
67: }
68: 
69: /**
70:  *
71:  * Displays the "new version available" message on admin pages
72:  * @param unknown_type$tab
73:  * @param unknown_type $subtab
74:  */
75: function admin_showupdate($tab, $subtab) {
76:     ?>
77:     <div class="notebox">
78:         <h2><a href="http://www.zenphoto.org" alt="<?php echo gettext('Zenphoto download page'); ?>"><?php echo gettext("A new version of Zenphoto version is available."); ?></a></h2>
79:     </div>
80:     <?php
81:     setOption('last_update_check', time());
82:     return $tab;
83: }
84: ?>