PhpMyAdmin 错误 "Cannot load mysql extension. Please check your PHP configuration"

Cannot load mysql extension. Please check your PHP configuration.

;extension=php_mysql.dll   ==>> extension=php_mysql.dll
;extension=php_mysqli.dll  ==>> extension=php_mysqli.dll
extension_dir  “”               ==>> extension_dir = “C:\Program Files\PHP”

Content of config.inc.php is:

<?
$cfg[‘Servers’][1][‘host’] = ‘localhost’;
$cfg[‘Servers’][1][‘extension’] = ‘mysql’;
$cfg[‘Servers’][1][‘connect_type’] = ‘tcp’;
$cfg[‘Servers’][1][‘compress’] = false;
$cfg[‘Servers’][1][‘auth_type’] = ‘config’;
$cfg[‘Servers’][1][‘user’] = ‘root’;
$cfg[‘Servers’][1][‘password’] = ‘aaaa’;

?>