Le Code :
<?php
/**
* @author Hans
* @copyright 2012
*/
ob_start();
$host="localhost"; // Host name
$username=""; // Mysql username
$password=""; // Mysql password
$db_name="test"; // Database name
$tbl_name="membres"; // Table name
// Connection au serveur et à la base de données.
mysql_connect("$host", "$username", "$password")or die("cannot connect");
mysql_select_db("$db_name")or die("cannot select DB");
// Definition de $myusername et $mypassword
$myusername=$_POST['myusername'];
$mypassword=$_POST['mypassword'];
// Protection contre injection MySQL
$myusername = stripslashes($myusername);
$mypassword = stripslashes($mypassword);
$myusername = mysql_real_escape_string($myusername);
$mypassword = mysql_real_escape_string($mypassword);
$sql="SELECT * FROM $tbl_name WHERE username='$myusername' and password='$mypassword'";
$result=mysql_query($sql);
// Mysql_num_row comptabilise les lignes de la table
$count=mysql_num_rows($result);
// si le résultat entre $myusername et $mypassword concorde alors la ligne de la table doit être égale à 1.
if($count==1){
// enregistrement $myusername, $mypassword et redirection to file "login_success.php"
session_register("myusername");
session_register("mypassword");
header("location:login_success.php");
}
else {
echo "Wrong Username or Password";
}
ob_end_flush();
?>