Online PHP

$keys = sodium_crypto_box_keypair();
$secretKey = sodium_crypto_box_secretkey($keys);
$publicKey = sodium_crypto_box_publickey($keys);
echo "Your base64 encoded public key: ".base64_encode($publicKey)."\n";
echo "Your base64 encoded secret key: ".base64_encode($secretKey)."\n";			

$dsn = "mysql:host=mysql;dbname=php_tester";
$user = "php_tester";
$passwd = "password";

$pdo = new PDO($dsn, $user, $passwd);

$stm = $pdo->query("SELECT '1' as id, 'Albert' as name  UNION SELECT '2' as id, 'Isaac' as name UNION SELECT '3' as id, 'Marie' as name ");
$rows = $stm->fetchAll(PDO::FETCH_NUM);
foreach($rows as $row) {
    echo(json_encode($row)."\n");
}

// Connect to phpTester database
$manager = new MongoDB\Driver\Manager("mongodb://php-tester:123@localhost:27017/phpTester");

// Insert a document
$bulkWrite=new MongoDB\Driver\BulkWrite;
$doc=array("title" => "PHP Tester", "description" => "Test PHP code online");
$bulkWrite->insert($doc);
$manager->executeBulkWrite('phpTester.example', $bulkWrite);

// Get all documents
$query = new MongoDB\Driver\Query(array());
$cursor = $manager->executeQuery('phpTester.example', $query);

// Convert to Array and print result
print_r($cursor->toArray());

// Delete all documents
$bulkDelete = new MongoDB\Driver\BulkWrite;
$bulkDelete->delete(['title' => 'PHP Tester' ], ['limit' => 0]);

$manager->executeBulkWrite('phpTester.example', $bulkDelete);