is installed ";
} else
$sentence.= "(Deprecated) MySQL is not installed ";
if (function_exists('mysqli_connect')) {
$hasMySQLi = true;
$sentence.= "and the new (improved) MySQL is installed. ";
} else
$sentence.= "and the new (improved) MySQL is not installed. ";
// 这句是关键，只有mysqlnd才提供了mysqli_fetch_all
if (function_exists('mysqli_fetch_all')) {
$withMySQLnd = true;
$sentence.= "This server is using MySQLnd as the driver.";
} else
$sentence.= "This server is using libmysqlclient as the driver.";
echo $sentence;