Redirection via header doesn't work

Question

Here's my code:

<?php
include("conf.php"); 
if(isset($_POST['firstName']) && !empty($_POST['firstName'])) {
    $addQuery = "INSERT INTO members VALUES ('','".$_POST['firstName']."','".$_POST['lastName']."','".$_POST['loyalty']."','".$_POST['citizenType']."','".$_POST['grade']."','".$_POST['status']."')";
    mysqli_query($conn,$addQuery);
    header("Location: index.php"); 
    exit();
} else {
?>

<div class="container">
.
.
.
<?php } ?>

I cannot figure out why it doesn't redirect...

Doest it gives any errors? Is the location correct? Are the post variables set ? — Tushar Gupta
– Tushar Gupta, Commented Apr 14, 2017 at 23:15
No errors, just a blank screen. The redirection seems to be correct, I use it on another page... The $_POST are variable, yes — katsele
– katsele, Commented Apr 14, 2017 at 23:16
Your code is vulnerable to SQL injection attacks. You should use mysqli or PDO prepared statements with bound parameters as described in this post. — Alex Howansky
– Alex Howansky, Commented Apr 14, 2017 at 23:25
When you ask a question about an error, ALWAYS post the error log. To enable error reporting to your php code, append error_reporting(E_ALL); ini_set('display_errors', '1'); at the top of your script, what does it return ? — Pedro Lobito
– Pedro Lobito, Commented Apr 15, 2017 at 1:20

shawn · Accepted Answer · 2017-04-14 23:27:33Z

1

Based only on the code in your question, there's something wrong in the conf.php include file. It probably has a carriage return or other output that is preventing the header from operating since there is already output.

answered Apr 14, 2017 at 23:27

shawn

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