Login Php ke android

<?php
if (version_compare(phpversion(), "5.3.0", ">=")  == 1)
  error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED);
else
  error_reporting(E_ALL & ~E_NOTICE);
  ?>
<?php

//error_reporting(0);
require_once"../koneksi.php";
date_default_timezone_set("Asia/Jakarta");



if(isset($_GET["user"])){
    $user=strip_tags($_GET["user"]);$user=str_replace("_"," ",$user);
    $pass=strip_tags($_GET["pass"]);$pass=str_replace("_"," ",$pass);

    $s="select * from `tb_teknisi` where `username`='$user' and `password`='$pass'";
    $q=mysql_query($s);
    if(mysql_num_rows($q)>0){
            $d=mysql_fetch_array($q);
                $nik_teknisi=$d["nik_teknisi"];if(strlen($nik_teknisi)<1){$nik_teknisi="-";}
                $nama_teknisi=$d["nama_teknisi"];if(strlen($nama_teknisi)<1){$nama_teknisi="-";}
                $lokasi_kerja=$d["lokasi_kerja"];if(strlen($lokasi_kerja)<1){$lokasi_kerja="-";}
                $no_hp=$d["no_hp"];if(strlen($no_hp)<1){$no_hp="-";}
                $username=$d["username"];if(strlen($username)<1){$username="-";}
                $password=$d["password"];if(strlen($password)<1){$password="-";}
                $email=$d["email"];if(strlen($email)<1){$email="-";}
                $status=$d["status"];if(strlen($status)<1){$status="-";}
                $gambar=$d["gambar"];if(strlen($gambar)<1){$gambar="-";}


$simpan=mysql_query($sql);

    echo"$nik_teknisi#$nama_teknisi#$lokasi_kerja#$no_hp#$username#$password#$email#$status#gambar#sukses";

}
else{echo"null";}
}
?>