��Щ��������Ϊ�� php.ini �е�����Ӱ�졣
��������ָ��ļ��˵����
yaconf.check_delay
In which interval Yaconf will detect ini file's change(by directory's mtime), if it is set to zero, you have to restart php to reloading configurations.
yaconf.directory
Path to directory which all INI configuration files are placed in.