Move admin pages part 2

admin/pages/version.php

@@ -0,0 +1,50 @@
+<?php
+/**
+ * Version check
+ *
+ * @package   MyAAC
+ * @author    Slawkens <slawkens@gmail.com>
+ * @copyright 2019 MyAAC
+ * @link      https://my-aac.org
+ */
+defined('MYAAC') or die('Direct access not allowed!');
+$title = 'Version check';
+
+// fetch version
+//$file = @fopen('https://my-aac.org/VERSION', 'r') or die('Error while fetching version.');
+//$myaac_version = fgets($file);
+$myaac_version = @file_get_contents('https://my-aac.org/VERSION');
+if (!$myaac_version) {
+	warning('Error while fetching version info from https://my-aac.org<br/>
+	Please try again later.');
+	return;
+}
+
+// compare them
+$version_compare = version_compare($myaac_version, MYAAC_VERSION);
+if ($version_compare == 0) {
+	success('MyAAC latest version is ' . $myaac_version . '. You\'re using the latest version.
+	<br/>View CHANGELOG ' . generateLink(ADMIN_URL . '?p=changelog', 'here'));
+} else if ($version_compare < 0) {
+	success('Woah, seems you\'re using newer version as latest released one! MyAAC latest released version is ' . $myaac_version . ', and you\'re using version ' . MYAAC_VERSION . '.
+	<br/>View CHANGELOG ' . generateLink(ADMIN_URL . '?p=changelog', 'here'));
+} else {
+	warning('You\'re using outdated version.<br/>
+		Your version: <b>' . MYAAC_VERSION . '</b><br/>
+		Latest version: <b>' . $myaac_version . '</b><br/>
+		Download available at: <a href="https://my-aac.org" target="_blank">www.my-aac.org</a>');
+}
+
+/*
+function version_revert($version)
+{
+	$major = floor($version / 10000);
+	$version -= $major * 10000;
+
+	$minor = floor($version / 100);
+	$version -= $minor * 100;
+
+	$release = $version;
+	return $major . '.' . $minor . '.' . $release;
+}*/
+?>