(PHP 4 >= 4.2.0, PHP 5)
openssl_pkey_export — Gets an exportable representation of a key into a string
$key
, string &$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: 必须安装有效的 openssl.cnf 以保证此函数正确运行。参考有关安装的说明以获得更多信息。
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.
成功时返回 TRUE， 或者在失败时返回 FALSE。