This function also frees public key resources as received with openssl_pkey_get_public().
Manual above should say: "Frees a pkey resource"
(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
openssl_pkey_free — Frees a private key
This function has been DEPRECATED as of PHP 8.0.0. Relying on this function is highly discouraged.
Note:
This function has no effect. Prior to PHP 8.0.0, this function was used to close the resource.
This function frees a private key created by openssl_pkey_new().
keyResource holding the key.
No value is returned.
| Version | Description |
|---|---|
| 8.0.0 | This function is now deprecated as it doesn't have an effect anymore. |
| 8.0.0 |
key accepts an OpenSSLAsymmetricKey now;
previously, a resource of type OpenSSL key was accepted.
|
This function also frees public key resources as received with openssl_pkey_get_public().
Manual above should say: "Frees a pkey resource"PHP 8 deprecates openssl_free_key (actually openssl_pkey_free which it aliases) and automatically destroys the key instance when it goes out of scope.