Warning, this function is NOT capable of exporting PEM-encoded public keys. It can only export private keys.
openssl_pkey_export
(PHP 4 >= 4.2.0, PHP 5)
openssl_pkey_export -- Gets an exportable representation of a key into a stringDescription
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). The key is optionally protected by passphrase. 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. 如果成功则返回 TRUE，失败则返回 FALSE。
注: 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.
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User Contributed Notes
robbat2 at gentoo dot org
10-Aug-2004 02:47
10-Aug-2004 02:47