PHP Decode

$conn = mysqli_connect("localhost","gsqi","rlawlsgh2@") ; $dbname="gsqi"; mysqli_select_db($conn,$dbname); $mname = $_POST['mname']; $rdate = date("Y/m/d"); $file = $_FILES['xls_f']['tmp_name']; if(!file_exists($file)) die('File could not be found.'); include_once('reader.php'); $data = new Spreadsheet_Excel_Reader(); $data->setOutputEncoding('UTF-8'); $data->read($file); $comma = ''; $sql = " INSERT INTO `sq_test`
            ( cate, mname, bday, uid, tname, phone, sex, job, jong, tday, reg_date, m1, m2, m3, m4, m5, m6, m7, m8, m9, m10, m11, m12, m13, m14, m15, m16, m17, m18, m19, m20, m21, m22, m23, m24, m25, m26, m27, m28, m29, m30, m31, m32, m33, m34, m35, m36, m37, m38, m39, m40, m41, m42, m43, m44, m45, m46, m47, m48, m49, m50, nae, dobak, cho, umi, st, happy, sil, usik, soc, uu, zazon, gan, usik2, sq_result, insung, age_level )
          VALUES "; for ($i = 2; $i <= $data->sheets[0]['numRows']; $i++) { $bday = addslashes($data->sheets[0]['cells'][$i][1]); $uid = addslashes($data->sheets[0]['cells'][$i][2]); $tname = addslashes($data->sheets[0]['cells'][$i][3]); $phone = addslashes($data->sheets[0]['cells'][$i][4]); $sex = addslashes($data->sheets[0]['cells'][$i][5]); $job = addslashes($data->sheets[0]['cells'][$i][6]); $jong = addslashes($data->sheets[0]['cells'][$i][7]); $tday = addslashes($data->sheets[0]['cells'][$i][8]); $m1 = addslashes($data->sheets[0]['cells'][$i][9]); $m2 = addslashes($data->sheets[0]['cells'][$i][10]); $m3 = addslashes($data->sheets[0]['cells'][$i][11]); $m4 = addslashes($data->sheets[0]['cells'][$i][12]); $m5 = addslashes($data->sheets[0]['cells'][$i][13]); $m6 = addslashes($data->sheets[0]['cells'][$i][14]); $m7 = addslashes($data->sheets[0]['cells'][$i][15]); $m8 = addslashes($data->sheets[0]['cells'][$i][16]); $m9 = addslashes($data->sheets[0]['cells'][$i][17]); $m10 = addslashes($data->sheets[0]['cells'][$i][18]); $m11 = addslashes($data->sheets[0]['cells'][$i][19]); $m12 = addslashes($data->sheets[0]['cells'][$i][20]); $m13 = addslashes($data->sheets[0]['cells'][$i][21]); $m14 = addslashes($data->sheets[0]['cells'][$i][22]); $m15 = addslashes($data->sheets[0]['cells'][$i][23]); $m16 = addslashes($data->sheets[0]['cells'][$i][24]); $m17 = addslashes($data->sheets[0]['cells'][$i][25]); $m18 = addslashes($data->sheets[0]['cells'][$i][26]); $m19 = addslashes($data->sheets[0]['cells'][$i][27]); $m20 = addslashes($data->sheets[0]['cells'][$i][28]); $m21 = addslashes($data->sheets[0]['cells'][$i][29]); $m22 = addslashes($data->sheets[0]['cells'][$i][30]); $m23 = addslashes($data->sheets[0]['cells'][$i][31]); $m24 = addslashes($data->sheets[0]['cells'][$i][32]); $m25 = addslashes($data->sheets[0]['cells'][$i][33]); $m26 = addslashes($data->sheets[0]['cells'][$i][34]); $m27 = addslashes($data->sheets[0]['cells'][$i][35]); $m28 = addslashes($data->sheets[0]['cells'][$i][36]); $m29 = addslashes($data->sheets[0]['cells'][$i][37]); $m30 = addslashes($data->sheets[0]['cells'][$i][38]); $m31 = addslashes($data->sheets[0]['cells'][$i][39]); $m32 = addslashes($data->sheets[0]['cells'][$i][40]); $m33 = addslashes($data->sheets[0]['cells'][$i][41]); $m34 = addslashes($data->sheets[0]['cells'][$i][42]); $m35 = addslashes($data->sheets[0]['cells'][$i][43]); $m36 = addslashes($data->sheets[0]['cells'][$i][44]); $m37 = addslashes($data->sheets[0]['cells'][$i][45]); $m38 = addslashes($data->sheets[0]['cells'][$i][46]); $m39 = addslashes($data->sheets[0]['cells'][$i][47]); $m40 = addslashes($data->sheets[0]['cells'][$i][48]); $m41 = addslashes($data->sheets[0]['cells'][$i][49]); $m42 = addslashes($data->sheets[0]['cells'][$i][50]); $m43 = addslashes($data->sheets[0]['cells'][$i][51]); $m44 = addslashes($data->sheets[0]['cells'][$i][52]); $m45 = addslashes($data->sheets[0]['cells'][$i][53]); $m46 = addslashes($data->sheets[0]['cells'][$i][54]); $m47 = addslashes($data->sheets[0]['cells'][$i][55]); $m48 = addslashes($data->sheets[0]['cells'][$i][56]); $m49 = addslashes($data->sheets[0]['cells'][$i][57]); $m50 = addslashes($data->sheets[0]['cells'][$i][58]); $nae = $m1 + $m29 + $m38 + $m40; $dobak = $m2 + $m16 + $m20 + $m33 + $m45; $cho = $m3 + $m21 + $m35 + $m44 + $m48; $umi = $m4 + $m13 + $m18 + $m27 + $m32; $st = $m5 + $m30; $happy = $m6 + $m8 + $m15 + $m26 + $m39; $sil = $m7 + $m28 + $m41 + $m43; $usik = $m9 + $m14 + $m19 + $m34; $soc = $m10 + $m11 + $m22 + $m36; $uu = $m12 + $m24 + $m46 + $m50; $zazon = $m23 + $m37 + $m49; $gan = $m17 + $m25 + $m31 + $m47; $usik2 = $m42; $sq_result = $nae + $usik + $gan + $umi + $cho + $sil; $insung = $dobak + $zazon + $soc; $age1 = date("Y") - $bday; $age_level = substr_replace($age1, '0', -1); $sql .= $comma." ( '$cate','$mname','$bday', '$uid', '$tname', '$phone', '$sex', '$job', '$jong', '$tday', '$rdate', '$m1', '$m2', '$m3', '$m4', '$m5', '$m6', '$m7', '$m8', '$m9', '$m10', '$m11', '$m12', '$m13', '$m14', '$m15', '$m16', '$m17', '$m18', '$m19', '$m20', '$m21', '$m22', '$m23', '$m24', '$m25', '$m26', '$m27', '$m28', '$m29', '$m30', '$m31', '$m32', '$m33', '$m34', '$m35', '$m36', '$m37', '$m38', '$m39', '$m40', '$m41', '$m42', '$m43', '$m44', '$m45', '$m46', '$m47', '$m48', '$m49', '$m50', $nae, $dobak, $cho, $umi, $st, $happy, $sil, $usik, $soc, $uu, $zazon, $gan, $usik2, $sq_result, $insung, $age_level) "; $comma = ' , '; } mysqli_query($conn,$sql); echo "<script>alert('.'); location.href=('dash.php');</script>";