Hrant75

$db = new PDO("mysql:host=".DB_HOST.";dbname=".DB_NAME, DB_USER, DB_PASSWORD);

$stmt = $db->prepare("INSERT INTO whois (`domain`) VALUES(?)");

try {
    $db->beginTransaction();
    for($i=0; $i < 1000; $i++) {
        $stmt->bindValue(1, $i, PDO::PARAM_STR);
        $stmt->execute();
    }

Hrant75

function words($length, $prefix='') {
    if ($length == 0) return;
    foreach(range('a', 'z') as $letter) {
        echo $prefix . $letter, "<br>";
        words($length-1, $prefix . $letter);
    }
}

words(4);