all passed = Congratulations! Your server configuration satisfies all requirements by PRADO. passed with warnings = Your server configuration satisfies minimum requirements by PRADO. Please pay attention to the warnings listed below. failed = Sorry, your server configuration does not satisfy the requirements by PRADO. PHP version check = PHP version check PHP 5.0.4 or higher required = PHP version 5.0.4 or higher is required by PRADO. PHP 5.1.0 or higher preferred = PHP version 5.1.0 or higher is preferred by PRADO. It eliminates the error caused by recursive __get/__set calls. SQLite check = SQLite check SQLite extension optional = SQLite extension is optional. If it is absent, you will not be able to use TSqliteCache. Memcache check = Memcache check Memcache extension optional = Memcache extension is optional. If it is absent, you will not be able to use TMemCache. Zlib check = Zlib check Zlib extension optional = Zlib extension is optional. If it is absent, page state will not be compressed and your page size may increase. DOM extension required = DOM extension is required by PRADO. It is used in TXmlDocument to parse all sorts of XML-based configurations. ICONV extension optional = ICONV extension is optional. If it is absent, some internationalization components may not work properly. Mcrypt extension optional = Mcrypt extension is optional. If it is absent, sensitive data, such as viewstate, cannot be encrypted.