hi i'm trying to sync to database with a php script but i keep getting "2000: mysqlnd cannot connect to MySQL 4.1+ using old authentication". mysql db is ver 5. what does this error mean?

hi i'm trying to sync to database with a php script but i keep getting "2000: mysqlnd cannot connect to MySQL 4.1+ using old authentication". mysql db is ver 5. what does this error mean?

i got the class from "http://www.phpclasses.org/package/4790-PHP-Synchronize-two-MySQL-databases.html"

 sync.php
 exemple.php
qvs5010Asked:
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DrDamnitCommented:
It's not the DB version that matters. It's the client version and the password.

1. Make sure you're using the most recent stable version of PHP, and
2. Reset the password as explained here: http://dev.mysql.com/doc/refman/5.1/en/old-client.html
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Dushyant SharmaCommented:
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madunixCommented:
The account you are trying to connect with is using an old password hash.. read more inside the link
http://dev.mysql.com/doc/refman/4.1/en/upgrading-from-previous-series.html
http://dev.mysql.com/doc/refman/4.1/en/old-client.html
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Dave BaldwinFixer of ProblemsCommented:
My favorite hosting company is refusing to upgrade the MySQL software for the authentication even though they have upgraded to MySQL 5.  They say it would 'break too many things'.  So I can't use PHP 5.3 to connect to my database, I have to use PHP 5.2 or lower.
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qvs5010Author Commented:
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