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このドキュメントでは、 php中国語ネットマニュアル リリース
(PHP 4 >= 4.0.4, PHP 5)
openssl_free_key — Free key resource
$key_identifier
) openssl_free_key() frees the key associated with
the specified key_identifier
from memory.
key_identifier
没有返回值。
[#1] Richard Lynch [2013-07-17 15:44:38]
openssl_free_key and openssl_pkey_free are probably aliases.
And the preferred one is probably openssl_pkey_free.