Untitled

registration.php
<?php

$pagetitle = 'Регистрация';
$templateCurrent = 'templateRegistration.php';
require_once "templateMain.php";

$value = array();
$error = array();

if (isset($_SERVER['REQUEST_METHOD'])){

    $value['name'] = trim($_POST['name']);
    $value['surname'] = trim($_POST['surname']);
    $value['groupNum'] = trim($_POST['groupNum']);
    $value['points'] = trim($_POST['points']);
    $value['password'] = trim($_POST['password']);
    $value['email'] = trim($_POST['email']);

    switch ($value) {
        case (empty($value['name'])):
            $error['name'] = '1';
        case (empty($value['surname'])):
            $error['surname'] = '1';
        case (empty($value['groupNum'])):
            $error['groupNum'] = '1';
        case (empty($value['points'])):
            $error['points'] = '1';
        case (empty($value['password'])):
            $error['password'] = '1';
        case (empty($value['email'])):
            $error['password'] = '1';
    }

    if (empty($error)){
        $sth = $dbh->prepare("INSERT INTO abitList VALUES ('', ?, ?, ?, ?, ?, ?)");
        $sth->execute(array($value['name'], $value['surname'], $value['groupNum'],
                            $value['points'], $value['password'], $value['email']));
        header("Location: /");
        exit();
    }

}

function regOutValue($value, $element){

        $value[$element] = isset($value[$element]) ? $value[$element] : '';

        return $value[$element];
}

function regOutError($error, $element){

        $error[$element] = isset($error[$element]) ? "*Поле не заполнено" : '';

        return $error[$element];
}


templateRegistration.php
<html>
<head>
    <link rel="stylesheet" type="text/css" href="/styles.css">
    <meta charset="utf-8">
</head>
<body>

<form action="registration.php" method="post">
    <p><b>Форма регистрации</b></p>

    <?= regOutError($error, 'name') ?>
    <p>Имя: <input type="text" name="name" value="<?=regOutValue($value, 'name')?>"></p>

    <?= regOutError($error, 'surname') ?>
    <p>Фамилия: <input type="text" name="surname" value="<?=regOutValue($value, 'surname')?>"></p>

    <?= regOutError($error, 'groupNum') ?>
    <p>Группа: <input type="text" name="groupNum" value="<?=regOutValue($value, 'groupNum')?>"></p>

    <?= regOutError($error, 'points') ?>
    <p>Баллы: <input type="text" name="points" value="<?=regOutValue($value, 'points')?>"></p>

    <?= regOutError($error, 'password') ?>
    <p>Пароль: <input type='password' name="password" value="<?=regOutValue($value, 'password')?>"></p>

    <?= regOutError($error, 'email') ?>
    <p>Email: <input type='text' name='email' value="<?=regOutValue($value, 'email')?>"></p>

    <p><input type='submit' name='submit' value="Регистрация"></p>
</form>

</body>
</html>