login page simple question
Posted: Mon Jan 05, 2009 1:50 pm
cant seem to get this code to display a error on same page if the login wrong
thank you if you can assist
<form name="form1" method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">
<input name="myusername" type="text" id="myusername">
<input name="mypassword" type="text" id="mypassword">
<input type="hidden" name="action" value="1"/>
<input type="submit" name="Submit" value="Login">
</form>
<?php
if (isset($_POST['action']) == '1' ){
$host="localhost"; // Host name
$username=""; // Mysql username
$password=""; // Mysql password
$db_name=""; // Database name
$tbl_name=""; // Table name
// Connect to server and select databse.
mysql_connect("$host", "$username", "$password")or die("cannot connect");
mysql_select_db("$db_name")or die("cannot select DB");
// username and password sent from form
$myusername=$_POST['myusername'];
$mypassword=$_POST['mypassword'];
// To protect MySQL injection (more detail about MySQL injection)
$myusername = stripslashes($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 is counting table row
$count=mysql_num_rows($result);
// If result matched $myusername and $mypassword, table row must be 1 row
if($count==1){
// Register $myusername, $mypassword and redirect to file "login_success.php"
session_register("myusername");
session_register("mypassword");
header("location:login_success.php");
}
else {
header("location:login.php");
echo "Error with login";
}
}
?>
thank you if you can assist
<form name="form1" method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">
<input name="myusername" type="text" id="myusername">
<input name="mypassword" type="text" id="mypassword">
<input type="hidden" name="action" value="1"/>
<input type="submit" name="Submit" value="Login">
</form>
<?php
if (isset($_POST['action']) == '1' ){
$host="localhost"; // Host name
$username=""; // Mysql username
$password=""; // Mysql password
$db_name=""; // Database name
$tbl_name=""; // Table name
// Connect to server and select databse.
mysql_connect("$host", "$username", "$password")or die("cannot connect");
mysql_select_db("$db_name")or die("cannot select DB");
// username and password sent from form
$myusername=$_POST['myusername'];
$mypassword=$_POST['mypassword'];
// To protect MySQL injection (more detail about MySQL injection)
$myusername = stripslashes($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 is counting table row
$count=mysql_num_rows($result);
// If result matched $myusername and $mypassword, table row must be 1 row
if($count==1){
// Register $myusername, $mypassword and redirect to file "login_success.php"
session_register("myusername");
session_register("mypassword");
header("location:login_success.php");
}
else {
header("location:login.php");
echo "Error with login";
}
}
?>