<div class="options_cont">
<label for="fullname" class="noselect"><?php echo $LANG['label-group-fullname']; ?>:</label>
<input type="text" id="fullname" placeholder="" name="fullname" maxlength="64" value="<?php echo $fullname; ?>">
</div>
$email = test_input($_POST["email"]);
if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
$emailErr = "Invalid email format";
}