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Editorial Team
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Asked: 2026-05-27T17:49:54+00:00

I have a page that takes data entered in a previous page and inputs

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I have a page that takes data entered in a previous page and inputs that data into a database. It then takes the database id of that post. I want to use this id ($id) in the header, but when i run the following code, the get variable is empty.

CODE:

  <?php header("Location: http://localhost/biology/question.php?q=$id"); ?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>


</head>
<body>

<?php
include '../connect.php';
    if (isset($_POST['questionSubmit'])){

    $question=mysql_real_escape_string($_POST['question']);
    $detail=mysql_real_escape_string($_POST['detail']);
    $date=date("d M Y");
    $time=time();
    $user=$_SESSION['id'];
    $put=mysql_query("INSERT INTO questions VALUES ('','$question','$detail','$date','$time','$user','biology','0')");

    $id=mysql_insert_id();

    }
?>


</body>
</html>
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1 Answer

  1. Editorial Team

    You’re not defining $id until right at the end.

    If you want to use header() in your code, put ob_start() at the beginning.

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