openssl_free_key

    (PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)

    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.

    Description

    openssl_free_key(OpenSSLAsymmetricKey$key): void

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

    Parameters

    key

    Return Values

    No value is returned.

    Changelog

    VersionDescription
    8.0.0 This function is now deprecated as it doesn't have an effect anymore.
    8.0.0key accepts an OpenSSLAsymmetricKey now; previously, a resource of type OpenSSL key was accepted.
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