PHP nastavení "soukromí"

<?php
if(isset($_SESSION['user'])) {
if($_GET['id']) {
$id = $_GET['id'];
if($_GET['id']==$user['id'] or $user['level'] == 3){
$profil = mysql_query("SELECT * FROM users WHERE id='".mysql_real_escape_string($id)."'");
$zobraz = mysql_fetch_array($profil);
if(isset($_POST['zmena'])) {                                           
mysql_query("UPDATE users SET viditelnyemail='".$_POST['videmail']."', viditelnaregistrace='".$_POST['vidreg']."' WHERE id='".$zobraz['id']."'");
echo"<meta http-equiv='refresh' content='0;url=privacy.php?id=".$user['id']."'>";}?>    
    <h1>Soukromí &bull; <?php echo $zobraz['nick']; ?></h1>
<small>Tady nastavíš co bude na tvém profilu viditelné všem.</small>
<form action="" method="POST" class="form-horizontal">
<div class="form-group">
        <label for="d_email">Viditelný email</label>
        <select name="videmail" class="form-control m-b">
                    <?php if($zobraz['viditelnyemail'] == 1){echo"<option value='0'>Nechat viditelný</option>";}else{echo"<option value='1'>Nechat neviditelný</option>";}?>
                    <option value="0">Neviditelný</option>
                    <option value="1">Viditelný</option>
                </select>
    </div>
<div class="form-group">
        <label for="d_reg">Viditelné datum registrace</label>
        <select name="vidreg" class="form-control m-b">
                    <?php if($zobraz['viditelnaregistrace'] == 1){echo"<option value='0'>Nechat viditelný</option>";}else{echo"<option value='1'>Nechat neviditelný</option>";}?>
                    <option value="0">Neviditelné</option>
                    <option value="1">Viditelné</option>
                </select>
    </div>
<button class="btn btn-sm btn-primary pull-right m-t-n-xs" name="zmena">Upravit soukromí</button>

<?php 
} 
else 
{    
    echo "Můžeš si spravovat pouze svůj profil, nikoliv cizí!";    
}
} else {
    echo "Tento uživatel neexistuje!";
}; ?>
<?php } else { ?>
<?php echo "$only_logged" ?>
<?php }; ?>

<script>
tinymce.init({
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  plugins: "emoticons,autosave,image imagetools link preview",
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});
</script>

<script>
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});
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