<?php
// PDO
$stmt = $pdo->prepare('SELECT * FROM kunden WHERE name = :name');

$stmt->execute(array('name' => $name));

foreach ($stmt as $row) {
      // ERGEBNISSE VERARBEITEN
}

// MYSQLI
$stmt = $dbConnection->prepare('SELECT * FROM kunden WHERE name = ?');
$stmt->bind_param('s', $name);

$stmt->execute();

$result = $stmt->get_result();
while ($row = $result->fetch_assoc()) {
    // ERGEBNISSE VERARBEITEN
}

?>