Prepared statements in TYPO3

preparedStatementinTypo3.php

<?php

$connectionPool = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(\TYPO3\CMS\Core\Database\ConnectionPool::class);

$productConnection = $connectionPool->getConnectionForTable('tx_myext_domain_model_mytable');

$productDB = $productConnection->createQueryBuilder();
$prepSelect = $productDB->select('*')
    ->from('tx_myext_domain_model_mytable')
    ->where(
        $productDB->expr()->eq('uid', $productDB->createPositionalParameter(0, \PDO::PARAM_INT))
    )->getSQL();

$statement = $productConnection->prepare($prepSelect);

foreach ($myData as $data)  {
    $statement->bindValue(1, $data['uid']);
    $statement->execute();
    $result = $statement->fetch();
}