<?php
// MySQL settings
$host="localhost";
$username="root";
$password="";
$database_name="php-cms"
$table_name="members"

// Connect to mysql server
mysql_connect("$host", "$username", "$password")
or die("MySQL connection failed");
mysql_select_db("database_name")
or die("Database selection failed");

// Username and Password form
$username=$_POST['username'];
$password=$_POST['password'];

// Query
$sql="SELECT * FROM $table_name WHERE username='$username' and password='$password'";
$result=mysql_query($sql);

$count=mysql_num_rows($result);

if($count==1){
seesion_register("username");
seesion_register("password");
header("location:success.php");
}
else {
echo "wrong username or password";
}
?>