No conecto con MySQL

[ramondevesa]

El PDO no tengo ni idea de lo que es, y en el chekc.php me salen los sieguientes errores y warnings:

ERROR detect_unicode must be disabled in php.ini
Set detect_unicode to off in php.ini*.

WARNING intl extension should be available
Install and enable the intl extension (used for validators).

WARNING a PHP accelerator should be installed
Install and enable a PHP accelerator like APC (highly recommended).

WARNING magic_quotes_gpc should be disabled in php.ini
Set magic_quotes_gpc to off in php.ini*.