php code to mysql database export

Question

Possible Duplicate:
Best practice: Import mySQL file in PHP; split queries

How to import import *.sql file into database and export db to *.sql file in php coding?

Answer 1

exec("mysqldump database -u username -p password  > output.sql");

http://ca3.php.net/manual/en/function.exec.php

http://dev.mysql.com/doc/refman/5.1/en/mysqldump.html