(PHP 4 >= 4.2.0, PHP 5)openssl_pkey_export -- Gets an exportable representation of a key into a string
key as a PEM encoded string and stores it into
out (which is passed by reference).
The key is optionally protected by
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
Returns TRUE on success or FALSE on failure.
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.