<?php

$input = fopen('data.csv', 'r');
$output = fopen('output.csv', 'w');
$pdo = new PDO('sqlite:db.sqlite');

if (false === $pdo->exec('create table if not exists foo (bar varchar, baz varchar)')) {
    print_r($pdo->errorInfo());
    exit(1);
}

if (false === ($stmt = $pdo->prepare('insert into foo (bar, baz) values (? , ?)'))) {
    print_r($pdo->errorInfo());
    exit(1);
}

while ($row = fgetcsv($input, 0, ';')) {
    $result = $stmt->execute($row);

    if ($result) {
        fputcsv($output, array_merge($row, ['OK']));
    } else {
        fputcsv($output, array_merge($row, [$stmt->errorCode()]));
    }
}

fclose($output);
fclose($input);