Mysql_num_rows() expects parameter 1 to be resource, boolean give

Saya ingin melakukan login, saat melakukan login muncul pesan seperti berikut

<?php
include"config/conn.php";

$pass=md5($_POST['password']);
$passw=$_POST['password'];

$user=$_POST['username'];

	$sql=mysql_query("select * from user where nama='$user' and pass='$pass'");
	$count=mysql_num_rows($sql);
	$rs=mysql_fetch_array($sql);
		if($count>0){
			session_start();
				$_SESSION['idu']=$rs['idu'];

				$_SESSION['nama']=$rs['nama'];
				$_SESSION['level']=$rs['level'];
				$_SESSION['idk']="";
				$_SESSION['ortu']="";
				$_SESSION['id']=$rs['id'];


			header('location:media.php?module=home');
		}else{
$mr=md5($_POST['password']);
	$sqla=mysql_query("select * from siswa where nis='$user' and pass='$mr'");
	$counta=mysql_num_rows($sqla);
	$rsa=mysql_fetch_array($sqla);
if($counta>0){
			session_start();
				$_SESSION['idu']=$rsa['nis'];
				$_SESSION['nama']=$rsa['nama'];
				$_SESSION['level']="user";
				$_SESSION['ortu']=$passw;
				$_SESSION['idk']=$rsa['idk'];
				$_SESSION['id']="";

			header('location:media.php?module=home');

}else{
$gr=md5($_POST['password']);
	$sqlz=mysql_query("select * from guru where nip='$user' and pass='$gr'");
	$countz=mysql_num_rows($sqlz);
	$rsz=mysql_fetch_array($sqlz);
if($countz>0){
			session_start();
				$_SESSION['idu']=$rsz['nip'];
				$_SESSION['nama']=$rsz['nama'];
				$_SESSION['idk']=$rsz['idk'];
				$_SESSION['level']="guru";
				$_SESSION['ortu']="";
				$_SESSION['id']="";

			header('location:media.php?module=home');


}else{

			echo"<center><h2>username atau password anda salah.</h2><br>
				<a href=index.php><b>Ulangi Lagi</b></a></center>";
}
}
}
?>

avatar mickwagey
@mickwagey

1 Kontribusi 0 Poin

Diperbarui 4 tahun yang lalu

1 Jawaban:

Jawaban Terpilih

Hai @Mickwagey mysql_query butuh 2 parameter koneksi dan query/perintah <pre> $sql = mysql_query($koneksi, $query); </pre>lebih disarankan menggunakan mysqli. Semoga membantu ^^

avatar bosque
@bosque

187 Kontribusi 104 Poin

Dipost 4 tahun yang lalu

Login untuk ikut Jawaban