openssl_free_key

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

openssl_free_keyFree key resource

说明

void openssl_free_key ( resource $key_identifier )

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

参数

key_identifier

返回值

没有返回值。

User Contributed Notes

Lawri van Bul 10-Nov-2017 08:05
I just checked the code for PHP 7.1 and in there openssl_free_key is an alias for opnessl_pkey_free (PHP_FALIAS).

This supports Richards assumption.

I would also suggest to not use the alias,
but use the openssl_pkey_free function in new code.

This is because it is more descriptive about what its intend is and is the same structure as similar function in the openssl section.
Richard Lynch 18-Jul-2013 12:44
openssl_free_key and openssl_pkey_free are probably aliases.

And the preferred one is probably openssl_pkey_free.