php教程

openssl_free_key

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

openssl_free_key释放密钥资源

说明

openssl_free_key ( resource $key_identifier ) : void

openssl_free_key() 从内存中释放和指定的 key_identifier相关联的密钥。

参数

key_identifier

返回值

没有返回值。

User Contributed Notes

Lawri van Bul 10-Nov-2017 11:05
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 17-Jul-2013 03:44
openssl_free_key and openssl_pkey_free are probably aliases.

And the preferred one is probably openssl_pkey_free.

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