"") {
unlink("../../userdata/db_backup/" . $_POST["input_filename"]);
}
}
function import_backup() {
if ($_POST["input_filename"] <> "") {
echo $_POST["input_filename"];
$f = fopen("../../userdata/db_backup/" . $_POST["input_filename"], "r");
while (!feof($f)) {
$line = fgets($f);
mysqli_query($GLOBALS['mysql_con'], $line);
}
fclose($f);
}
}
function create_backup() {
$filename = "../../userdata/db_backup/dc_backup_" . date("Ymd_His") . ".sql";
$f = fopen($filename, "w");
$tables = mysqli_list_tables($GLOBALS['mysql_con'], $GLOBALS["mydb"]);
while ($cells = mysqli_fetch_array($tables)) {
$table = $cells[0];
fwrite($f, "DROP TABLE `$table`;\n");
$res = mysqli_query($GLOBALS['mysql_con'], "SHOW CREATE TABLE `$table`");
if ($res) {
$create = @mysqli_fetch_array($res);
$create[1] .= ";";
$line = str_replace("\n", "", $create[1]);
fwrite($f, $line . "\n");
$data = mysqli_query($GLOBALS['mysql_con'], "SELECT * FROM `$table`");
$num = mysqli_num_fields($GLOBALS['mysql_con'], $data);
while ($row = mysqli_fetch_array($data)) {
$line = "INSERT INTO `$table` VALUES(";
for ($i = 1; $i <= $num; $i++) {
$line .= "'" . mysqli_real_escape_string($GLOBALS['mysql_con'], $row[$i - 1]) . "', ";
}
$line = substr($line, 0, -2);
fwrite($f, $line . ");\n");
}
}
}
fclose($f);
if (file_exists($filename)) {
echo "Datensicherung wurde erstellt
";
} else {
echo "Datensicherung konnte nicht erstellt werden
";
}
}
?>