use Xepozz\PhpAge\Encrypter;
use Xepozz\PhpAge\Decrypter;

$e = new Encrypter();
$e->addRecipient('age1tgyuvdlmpejqsdf847hevurz9szk7vf3j7ytfyqecgzvphvu2d8qrtaxl6');
$ciphertext = $e->encrypt('hello, world!');

$d = new Decrypter();
$d->addIdentity('AGE-SECRET-KEY-1RKH0DGHQ0FU6VLXX2VW6Y3W2TKK7KR4J36N9SNDXK75JHCJ3N6JQNZJF5J');
$plaintext = $d->decrypt($ciphertext);
// "hello, world!"

use Xepozz\PhpAge\Encrypter;
use Xepozz\PhpAge\Decrypter;

$e = new Encrypter();
$e->setPassphrase('my-secret-passphrase');
$ciphertext = $e->encrypt('hello, world!');

$d = new Decrypter();
$d->addPassphrase('my-secret-passphrase');
$plaintext = $d->decrypt($ciphertext);
// "hello, world!"

use Xepozz\PhpAge\Age;

$identity  = Age::generateIdentity();       // AGE-SECRET-KEY-1...
$recipient = Age::identityToRecipient($identity); // age1...

use Xepozz\PhpAge\Encrypter;

$e = new Encrypter();
$e->addRecipient('age1...');
$e->addRecipient('age1...');
$ciphertext = $e->encrypt('secret data');

use Xepozz\PhpAge\Armor;

$encoded = Armor::encode($binaryData);
// -----BEGIN AGE ENCRYPTED FILE-----
// ...base64...
// -----END AGE ENCRYPTED FILE-----

$decoded = Armor::decode($encoded);

use Xepozz\PhpAge\Encrypter;

$e = new Encrypter();
$e->setScryptWorkFactor(18); // default is 18 (2^18 = 262144 iterations)
$e->setPassphrase('my-passphrase');
$ciphertext = $e->encrypt('data');