Fix the following mandatory requirements~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * iconv() must be available > Install and enable the iconv extension. * token_get_all() must be available > Install and enable the Tokenizer extension.Optional recommendations to improve your setup~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * posix_isatty() should be available > Install and enable the php_posix extension (used to colorize the > CLI output). * intl extension should be available > Install and enable the intl extension (used for validators). * PDO should have some drivers installed (currently available: none) > Install PDO drivers (mandatory for Doctrine).Note The command console could use a different php.ini file~~~~ than the one used with your web server. To be on the safe side, please check the requirements from your web server using the web/config.php script.