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copied!<p>By following that tutorial your current user id is stored in </p> <pre><code>$_SESSION['user_id'] </code></pre> <p>The tutorial's login functions are <a href="http://www.wikihow.com/Create-a-Secure-Login-Script-in-PHP-and-MySQL#Create_PHP_Functions" rel="nofollow">here</a></p> <p>You need to add a userid field in you MySQL table called "mytable"</p> <p>then execute an SQL statement like this.</p> <pre><code>$stmt = $mysqli -> prepare('INSERT INTO mytable (category, contents, date, userid) VALUES (?,?,NOW(),?)'); $stmt -> bind_param('ssi', $_POST['category'], $_POST['contents'], $_SESSION['user_id']); $stmt -> execute(); </code></pre> <p><strong>EDIT</strong></p> <p>After reading the tutorial more they cleared the <code>$_SESSION['user_id']</code> when executing <code>login_check($mysqli)</code> so before you call that insert</p> <pre><code>$userId = $_SESSION['user_id']; </code></pre> <p>Your code should be like this</p> <pre><code><?php include 'db_connect.php'; include 'functions.php'; sec_session_start(); $userId = $_SESSION['user_id']; if(login_check($mysqli) == true) { //Connecting to sql db. $connect=mysqli_connect("localhost","mydbusername","mydbpass","mysqldb"); header("Location: http://mysite.com/1.php"); if (mysqli_connect_errno()) { echo "Fail"; } else { echo "Success"; } //Sending form data to sql db. $stmt = $mysqli -> prepare('INSERT INTO mytable (category, contents, date, userid) VALUES (?,?,NOW(),?)'); $stmt -> bind_param('ssi', $_POST['category'], $_POST['contents'], $userId); $stmt -> execute(); $stmt -> close(); } else { echo 'Access denied. <br/>'; } ?> </code></pre>

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