openssl_free_key

Free key resource

Warning

This function has been DEPRECATED as of PHP 8.0.0. Relying on this function is highly discouraged.

#[\Deprecated] void openssl_free_key(OpenSSLAsymmetricKey $key)

openssl_free_key frees the key associated with the specified key from memory.

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.