Mysqldump does not work in php

Question

I have run mysqldump on a test database using the bash command line and it works fine:

C:\\wamp\\bin\\mysql\\mysql5.6.12\\bin\\mysqldump --opt -u root -p membersite > c:\\wamp\\www\\php-backup\\membersitebackupfile1.sql

When I put the same line in a PHP file located in "c:\\wamp\\www\\php-backup\\dump.php" it produces a file with 0 bytes.

<?php

$command = "C:\\wamp\\bin\\mysql\\mysql5.6.12\\bin\\mysqldump --opt -u root -p membersite > c:\\wamp\\www\\php-backup\\membersitebackupfile1.sql";

exec($command);

?>

Answer 1

If you are using wamp then try:

$cmd  = 'c: & cd "C:/wamp/bin/mysql/mysql5.6.17/bin" & mysqldump.exe --user=root --password=root --host=localhost databasename> "C:\Directory\SQL.sql"';

exec($cmd);