openssl_free_key

Function • Misc changes in PHP 8.4

Free key resource.

PHP 5

PHP 7

Deprecated

PHP 8.1

PHP 8.2-8.3

Changed

PHP 8.5

PHP 8.6

`openssl_free_key` Function synopsis

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

Parameters

`$key`

TypeOpenSSLAsymmetricKey

Return value

The openssl_free_key function is a void function; it does not return any values.

Changes to the `openssl_free_key` Function

PHP 8.4

Attribute added: #[Deprecated]

PHP 8.0

Function deprecated

`openssl_free_key` Function Availability

PHP Version	Availability
PHP 8.6Upcoming Release	Yes Deprecated
PHP 8.5Supported (Latest)	Yes Deprecated
PHP 8.4Supported	Yes Deprecated
PHP 8.3Security-Fixes Only	Yes Deprecated
PHP 8.2Security-Fixes Only	Yes Deprecated
PHP 8.1Unsupported	Yes Deprecated
PHP 8.0Unsupported	Yes Deprecated
PHP 7.4Unsupported	Yes
PHP 7.3Unsupported	Yes
PHP 7.2Unsupported	Yes
PHP 7.1Unsupported	Yes
PHP 7.0Unsupported	Yes
PHP 5.6Unsupported	Yes
PHP 5.5Unsupported	Yes
PHP 5.4Unsupported	Yes
PHP 5.3Unsupported	Yes