openssl_pkey_export
(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
openssl_pkey_export — Gets an exportable representation of a key into a string
Description
OpenSSLAsymmetricKey|OpenSSLCertificate|array|string
$key,string
&$output,?string
$passphrase = null,?array
$options = null): bool
openssl_pkey_export() exports
key as a PEM encoded string and stores it into
output (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 -
-
output -
-
passphrase -
The key is optionally protected by
passphrase. -
options -
optionscan 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 aboutoptions.
Return Values
Returns true on success or false on failure.
Changelog
| Version | Description |
|---|---|
| 8.0.0 |
key accepts an OpenSSLAsymmetricKey
or OpenSSLCertificate instance now;
previously, a resource of type OpenSSL key or OpenSSL X.509
was accepted.
|
