<?php
 
session_start();
 
$_SESSION['user_id'] = 4;
 
$user_id = $_SESSION['user_id'];
 
$_SESSION['username'] = "zack";
 
$username = $_SESSION['username'];
 
$message = $_POST['shout_mes'];
 
$insert = $_POST['shout'];
 
 
if(!empty($message) && $insert = "shout"){
 
include('mysqlcon.php');
 
$select = mysql_select_db($db, $con);
if(!$select){
die('could not select db: ' . mysql_error());
}
 
 
$sql = mysql_query("INSERT INTO shoutbox (index, user_id, username, message) VALUES(' ', '$user_id', '$username', '$message')");
 
if(!$sql){
echo "error" . mysql_error();
}ELSE{
header("location: index.php");
}
 
}ELSE{
 
echo "there was an error: " . mysql_error();
}
 
?>

$sql = mysql_query("INSERT INTO shoutbox (user_id, username, message) VALUES('$user_id', '$username', '$message')");