function sns_backup_uninstall()
{
//drop sns backup plugins tables
global $wpdb;
$table = SNS_DB_PREFIX . 'settings_destinations';
$wpdb->query("DROP TABLE IF EXISTS `{$table}`");
$table = SNS_DB_PREFIX . 'settings_notifications';
$wpdb->query("DROP TABLE IF EXISTS `{$table}`");
$table = SNS_DB_PREFIX . 'backups';
$wpdb->query("DROP TABLE IF EXISTS `{$table}`");
$table = SNS_DB_PREFIX . 'options';
$wpdb->query("DROP TABLE IF EXISTS `{$table}`");
$table = SNS_DB_PREFIX . 'schedule_config';
$wpdb->query("DROP TABLE IF EXISTS `{$table}`");
$table = SNS_DB_PREFIX . 'settings_ftp';
$wpdb->query("DROP TABLE IF EXISTS `{$table}`");
$table = SNS_DB_PREFIX . 'state';
$wpdb->query("DROP TABLE IF EXISTS `{$table}`");
$table = SNS_DROPBOX_TABLE;
$wpdb->query("DROP TABLE IF EXISTS `{$table}`");
//delete backup files
if (is_dir(SNS_BACKUPS_PATH)) {
Sns_History::delete_dir(SNS_BACKUPS_PATH);
}
delete_option('sns_backup_version');
delete_option('sns_backup_review_off');
}
public static function delete_by_hash($hash, $filename)
{
global $wpdb;
$table = SNS_DB_PREFIX . 'backups';
$query = " DELETE FROM `{$table}`\n WHERE `hash` = '{$hash}'\n ";
$response = $wpdb->query($query);
if ($response === false) {
throw new Sns_Exception_DB_Error();
}
$backupFile = SNS_BACKUPS_PATH . $filename . '.zip';
if (is_file($backupFile) && !unlink($backupFile)) {
throw new Sns_Exception_Unavailable_Operation('Cannot delete the file ' . $backupFile);
}
$backupDir = SNS_BACKUPS_PATH . $filename;
if (is_dir($backupDir)) {
Sns_History::delete_dir($backupDir);
}
}