Php class not found fatal error

- Php fatal error uncaught error class not found
- Php fatal error class 'pdo' not found
- Php fatal error class 'mysqli' not found
- Php fatal error class 'domdocument' not found
- Php fatal error class 'ziparchive' not found
- Php fatal error class 'soapclient' not found
- Php fatal error class 'redis' not found
- Php fatal error uncaught error class not found namespace
- Php fatal error class 'sqlite3' not found
- Php fatal error class 'curlfile' not found
- Php fatal error class 'db' not found
- Php fatal error class 'imagick' not found