avoid heap for temporary values, and where result will be copied and stored elsewhere (ie, strings)
avoid heap for temporary values, and where result will be copied and stored elsewhere (ie, strings)

afk11/secp256k1-php,afk11/secp256k1-php,afk11/secp256k1-php,afk11/secp256k1-php,afk11/secp256k1-php