(PECL gnupg >= 0.1)
gnupg_setsignmode — Sets the mode for signing
identifiergnupg 标识符，由对 gnupg_init() 或 gnupg 的调用生成。
sigmodeThe mode for signing.
signmode takes a constant indicating what type of
signature should be produced. The possible values are
GNUPG_SIG_MODE_NORMAL,
GNUPG_SIG_MODE_DETACH and
GNUPG_SIG_MODE_CLEAR.
By default GNUPG_SIG_MODE_CLEAR is used.
示例 #1 Procedural gnupg_setsignmode() example
<?php
$res = gnupg_init();
gnupg_setsignmode($res,GNUPG_SIG_MODE_DETACH); // produce a detached signature
?>示例 #2 OO gnupg_setsignmode() example
<?php
$gpg = new gnupg();
$gpg->setsignmode(gnupg::SIG_MODE_DETACH); // produce a detached signature
?>