(PECL gnupg >= 0.1)
gnupg_getprotocol — Returns the currently active protocol for all operations
gnupg_getprotocol ( resource $identifier ) : int
identifier
The gnupg identifier, from a call to gnupg_init() or gnupg.
Returns the currently active protocol, which can be one of GNUPG_PROTOCOL_OpenPGP
or GNUPG_PROTOCOL_CMS
.
Example #1 Procedural gnupg_getprotocol() example
<?php $res = gnupg_init(); echo gnupg_getprotocol($res); ?>
Example #2 OO gnupg_getprotocol() example
<?php $gpg = new gnupg(); echo $gpg -> getprotocol(); ?>
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https://www.php.net/manual/en/function.gnupg-getprotocol.php