$stmt = $db->prepare('INSERT INTO ids VALUES (0, :url)');

try {
   $db->beginTransaction();
   foreach ($ursl as $url) {
      $stmt->bindValue(':url', $url);
      $stmt->execute();
   }
   $db->commit();
} catch (PDOException $e) {
   $db->rollBack();
}

INSERT INTO
    table_name
SET
    field1 = "val1",
    field2 = "val2"