(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).
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.
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 information about
TRUE on success or
FALSE on failure.