openssl_sign

Supported Versions: PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8
Generate signature
openssl_sign(¬†¬†¬†¬†string $data,¬†¬†¬†¬†string &$signature,¬†¬†¬†¬†OpenSSLAsymmetricKey|OpenSSLCertificate|array|string $private_key,¬†¬†¬†¬†string|int $algorithm OPENSSL_ALGO_SHA1): bool