/**
* @param string $content
* @param integer $status
* @param array $headers
* @return GnuPG\EncryptedSignedResponse
*/
public function sign($content, $status = 200, $headers = [])
{
return new GnuPG\EncryptedSignedResponse($this->gpg->sign($content), $status, $headers);
}
<?php
// new class
$gnupg = new gnupg();
// not really needed. Clearsign is default
$gnupg->setsignmode(gnupg::SIG_MODE_CLEAR);
// add key with passphrase 'test' for signing
$gnupg->addsignkey("8660281B6051D071D94B5B230549F9DC851566DC", "test");
// sign
$signed = $gnupg->sign("just a test");
echo $signed;