Returns the currently active protocol for all operations

# gnupg_getprotocol

(PECL gnupg >= 0.1)

gnupg_getprotocol — Returns the currently active protocol for all operations

### Description

gnupg_getprotocol(resource `$identifier`): int

### Parameters

`identifier`

  The gnupg identifier, from a call to gnupg_init() or gnupg.

### Return Values

Returns the currently active protocol, which can be one of `GNUPG_PROTOCOL_OpenPGP` or `GNUPG_PROTOCOL_CMS`.

### Examples

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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