$fileSize = $_FILES["file1"]["size"];
// File size in bytes
$fileErrorMsg = $_FILES["file1"]["error"];
$matm = $_POST["mathumuc"];
$a = new File();
$res = $a->maxfile();
$num = 0;
$mahoa = "sharefile";
while ($row = mysql_fetch_array($res)) {
    $num = $row[0] + 1;
}
$mahoa = "sharefile" . $num;
$mahoafile = md5($mahoa);
$resu = $a->CURDATE();
while ($roww = mysql_fetch_array($resu)) {
    $a->setNGAY_TAO($roww[0]);
}
$b = new loai_file();
$ress = $b->tiemkiemduoi(findexts($fileName));
$loai = "1";
while ($row = mysql_fetch_array($ress)) {
    $loai = $row[0];
}
$a->setMA_FILE($num);
$a->setKICH_THUOC_FILE($fileSize);
$a->setMA_HOA_FILE($mahoafile);
$a->setMA_LOAI_CHIA_SE("ml02");
$a->setMA_LOAI_FILE($loai);
$a->setMA_THU_MUC($matm);
$a->setMAT_KHAU_CS_FILE("");
$a->setSO_LUOT_DOWN("0");