mbstring和php 5.6.22

Question

脚本：Drupal 8.1.3，php 5.6.22

php.ini设置：

htaccess的：

大约每分钟一次，我在error_log文件中收到以下错误：

[23-Jun-2016 13:48:49 UTC] PHP Deprecated:  Automatically populating $HTTP_RAW_POST_DATA is deprecated and will be removed in a future version. To avoid this warning set 'always_populate_raw_post_data' to '-1' in php.ini and use the php://input stream instead. in Unknown on line 0
[23-Jun-2016 13:48:51 UTC] PHP Deprecated:  Unknown: Use of mbstring.http_input is deprecated in Unknown on line 0
[23-Jun-2016 13:48:51 UTC] PHP Deprecated:  Unknown: Use of mbstring.http_output is deprecated in Unknown on line 0