php链接mysql时出现的问题

mysql版本：5.0
php版本：5.0

链接mysql时出现的问题，提示：#1251 - Client does not support authentication protocol requested by server; consider upgrading MySQL client

解决方法：

其一:

mysql> SET PASSWORD FOR -> 'some_user'@'some_host' = OLD_PASSWORD('newpwd');

其二:

mysql> UPDATE mysql.user SET Password = OLD_PASSWORD('newpwd') -> WHERE Host = 'some_host' AND User = 'some_user';mysql> FLUSH PRIVILEGES;