我如何添加今天'；s到.htaccess日志文件名的日期

how can i add today's date to the .htaccess log file name

我想将今天的日期与php错误日志文件结合起来

<IfModule mod_php5.c>
    php_flag  log_errors on
    php_value error_log  logs/php_errors_%{TIME_YEAR}-%{TIME_MON}-%{TIME_DAY}.log
</IfModule>

php_value error_log "|/usr/local/apache/bin/rotatelogs /home/test/public_html/logs/failures_%Y-%m-%d.log 8600"