Sets the value of authdigestfile property. AuthDigestFile is the password
file which contains username:realm:password pairs for Digest
authentication. You must give full path to the password file in order
for it to work.
Parameter
string $file - absolute pathname to the
password file.
<?php
require_once('File_HtAccess.php');
/* set the password file to /etc/htdigest */
$fh = new File_HtAccess('.htaccess');
$fh->load();
$fh->setauthdigestfile('/etc/htdigest');
$fh->save();
?>
