openssl_pkcs7_decrypt

Supported Versions: PHP 4 >= 4.0.6, PHP 5, PHP 7, PHP 8
Decrypts an S/MIME encrypted message
openssl_pkcs7_decrypt(¬†¬†¬†¬†string $input_filename,¬†¬†¬†¬†string $output_filename,¬†¬†¬†¬†OpenSSLCertificate|string $certificate,¬†¬†¬†¬†OpenSSLAsymmetricKey|OpenSSLCertificate|array|string|null $private_key null): bool