MRBS 1.12.2 等保2.0二级整改完整提交

包含：登录失败锁定、90天密码有效期、30分钟会话超时、
强制改密、登录审计日志、屏幕水印、企业背景图、
备案信息固定底部、favicon、登录页JS修复等全部改动

web/lib/MRBS/Intl/IntlDateFormatterFactory.php

@@ -0,0 +1,35 @@
+<?php
+// Note that we cannot use strict types here as some early versions of PHP (eg 7.2.34) throw
+// a TypeError if null is passed as the sixth parameter to \IntlDateFormatter::_construct(),
+// despite the signature on the manual page.
+// declare(strict_types=1);
+namespace MRBS\Intl;
+
+// A factory class for creating either an instance of \IntlDateFormatter or \MRBS\Intl\IntlDateFormatter,
+// depending on the setting of the $force_strftime config variable.
+class IntlDateFormatterFactory
+{
+  public static function create(
+    ?string $locale,
+    int     $dateType = \IntlDateFormatter::FULL,
+    int     $timeType = \IntlDateFormatter::FULL,
+            $timezone = null,
+            $calendar = null,
+    ?string $pattern = null)
+  {
+    global $force_strftime;
+
+    if ($force_strftime)
+    {
+      // This will return an instance of the emulation
+      return new IntlDateFormatter($locale, $dateType, $timeType, $timezone, $calendar, $pattern);
+    }
+    else
+    {
+      // This will return an instance of the standard PHP class if the 'intl' extension is loaded,
+      // otherwise an instance of the emulation
+      return new \IntlDateFormatter($locale, $dateType, $timeType, $timezone, $calendar, $pattern);
+    }
+  }
+
+}