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openssl_pkey_export
Gets an exportable representation of a key into a string
(PHP 4 >= 4.2.0, PHP 5)
bool openssl_pkey_export ( mixed key, string &out [, string passphrase [, array configargs]] )
openssl_pkey_export() exports key as a PEM encoded string and stores it into out (which is passed by reference).
Note:
You need to have a valid openssl.cnf installed for
this function to operate correctly.
See the notes under the installation
section for more information.
Parameters
- key
- out
- passphrase
The key is optionally protected by passphrase.
- configargs
configargs can be used to fine-tune the export process by specifying and/or overriding options for the openssl configuration file. See openssl_csr_new() for more information about configargs.