(PECL gnupg >= 0.5)
gnupg_cleardecryptkeys — Removes all keys which were set for decryption before
成功时返回 TRUE, 或者在失败时返回 FALSE.
Example #1 Procedural gnupg_cleardecryptkeys() example
<?php
$res = gnupg_init();
gnupg_cleardecryptkeys($res);
?>
Example #2 OO gnupg_cleardecryptkeys() example
<?php
$gpg = new gnupg();
$gpg -> cleardecryptkeys();
?>