(PECL rnp >= 0.1.1)
rnp_save_keys — Save keys to PHP string
Note that for G10, the output must be a directory (which must already exist).
ffi
The FFI object returned by rnp_ffi_create.
format
The key format of the data (GPG, KBX, G10).
output
key packets will be saved to the string referenced by output
.
flags
See RNP_LOAD_SAVE_* flags description.