php-mysql-crud/edit.php at main · sergiocl21/php-mysql-crud · GitHub

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<?php
require 'config.php';

$id = (int)($_GET['id'] ?? 0);

if (!$id) {
    header('Location: index.php');
    exit;
}

$stmt = $pdo->prepare("SELECT * FROM contacts WHERE id = :id");
$stmt->execute([':id' => $id]);
$contact = $stmt->fetch();

if (!$contact) {
    header('Location: index.php');
    exit;
}

$errors = [];

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $name = trim($_POST['name'] ?? '');
    $email = trim($_POST['email'] ?? '');
    $phone = trim($_POST['phone'] ?? '');

    if ($name === '' || $email === '') {
        $errors[] = "Nombre y email son obligatorios.";
    }

    if (empty($errors)) {
        $sql = "UPDATE contacts
                SET name = :name, email = :email, phone = :phone
                WHERE id = :id";

        $stmt = $pdo->prepare($sql);
        $stmt->execute([
            ':name' => $name,
            ':email' => $email,
            ':phone' => $phone,
            ':id' => $id
        ]);

        header('Location: index.php');
        exit;
    }
}
?>
<!doctype html>
<html>
<head>
    <meta charset="utf-8">
    <title>Editar contacto</title>
</head>
<body>
    <h1>Editar contacto</h1>

    <?php if (!empty($errors)): ?>
        <?php foreach ($errors as $error): ?>
            <p style="color:red;"><?= htmlspecialchars($error) ?></p>
        <?php endforeach; ?>
    <?php endif; ?>

    <form method="post">
        <label>
            Nombre<br>
            <input type="text" name="name" value="<?= htmlspecialchars($contact['name']) ?>" required>
        </label>
        <br><br>

        <label>
            Email<br>
            <input type="email" name="email" value="<?= htmlspecialchars($contact['email']) ?>" required>
        </label>
        <br><br>

        <label>
            Teléfono<br>
            <input type="text" name="phone" value="<?= htmlspecialchars($contact['phone']) ?>">
        </label>
        <br><br>

        <button type="submit">Actualizar</button>
        <a href="index.php">Cancelar</a>
    </form>
</body>
</html>