php exec() - mysqldump creates an empty file

Question

I want to create a backup from a database, but I get only a blank file.

include(\'config.php\');

$command = \"mysqldump --opt -h \".$_host.\" -u \".$_user.\         


        

Answer 1

If you look at the manual for exec the output goes to an array that is the second argument. That may be the source of the problem.