Question

I have created an html form for registering and when a user has successfully registered I want them to be automatically redirected back to my index.html page and for an alert to pop up tell them they have Registered Successfully. Currently my alert works but it just opens up in a blank page. I have tried putting in header ("location:../index.html") but that has not worked, it just directs me straight to the page without giving me the alert i want. Can anyone help with this?

<?php
$con = mysql_connect("localhost","root","") or die(mysql_error());
$select_db = mysql_select_db("mayan",$con);
if(isset($_POST['register']))
{
     $firstname=$_POST['first_name'];
     $lastname=$_POST['last_name'];
     $address=$_POST['address'];
     $postcode=$_POST['postcode'];
     $emailaddress=$_POST['emailaddress'];
     $password=$_POST['password'];
     $query = "select emailaddress FROM mayan_users where emailaddress='$emailaddress'";
     $link = mysql_query($query)or die(mysql_error());
     $num = mysql_num_rows($link);
 if ($num>0){
  echo 'Email already exists'; //email already taken
 }

 else {
 $insert_query = "insert into `mayan_users`(`firstname`,`lastname`,`address`,`postcode`,`emailaddress`,`password`) values('$firstname','$lastname','$address','$postcode','$emailaddress','$password')";
 $result = mysql_query($insert_query)or die(mysql_error());



  if(success)
{
   echo "<script type=\"text/javascript\">".
        "alert('success');".
        "</script>";
}
     }

   }
?>

Answer 1

Use this function when redirecting:

function redirect($url) {
    if(!headers_sent()) {
        //If headers not sent yet... then do php redirect
        header('Location: '.$url);
        exit;
    } else {
        //If headers are sent... do javascript redirect... if javascript disabled, do html redirect.
        echo '<script type="text/javascript">';
        echo 'window.location.href="'.$url.'";';
        echo '</script>';
        echo '<noscript>';
        echo '<meta http-equiv="refresh" content="0;url='.$url.'" />';
        echo '</noscript>';
        exit;
    }
}

So you want to redirect to the same page but with a ?=XXX Get value

Your code would look something like this:

<?php

if ($_GET['success'] == 1){
        echo "<script type=\"text/javascript\">".
        "alert('success');".
        "</script>";
}
$con = mysql_connect("localhost","root","") or die(mysql_error());
$select_db = mysql_select_db("mayan",$con);
if(isset($_POST['register']))
{
     $firstname=$_POST['first_name'];
     $lastname=$_POST['last_name'];
     $address=$_POST['address'];
     $postcode=$_POST['postcode'];
     $emailaddress=$_POST['emailaddress'];
     $password=$_POST['password'];
     $query = "select emailaddress FROM mayan_users where emailaddress='$emailaddress'";
     $link = mysql_query($query)or die(mysql_error());
     $num = mysql_num_rows($link);
 if ($num>0){
  echo 'Email already exists'; //email already taken
 }

 else {
 $insert_query = "insert into `mayan_users`(`firstname`,`lastname`,`address`,`postcode`,`emailaddress`,`password`) values('$firstname','$lastname','$address','$postcode','$emailaddress','$password')";
 $result = mysql_query($insert_query)or die(mysql_error());



  if(success)
{
   redirect('index.php?sucess=1');
}
     }

   }
?>