PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8
openssl_free_key - Free key resource
openssl_free_key( OpenSSLAsymmetricKey$key ): void
openssl_free_key frees the key associated with the specified key from memory.
No value is returned.
|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.|