Description:
------------
---
From manual page: http://www.php.net/ref.gnupg
---

The following functions in the gnupg extension exist but no documentation is provided for them:

gnupg_deletekey
gnupg_gettrustlist
gnupg_listsignatures

Test script:
---------------
<?php

if (!extension_loaded('gnupg')) {
	if (!dl('gnupg.so')) {
		echo "GPG extension not loaded";
	}
}

print_r(get_extension_funcs("gnupg"));

?>

Actual result:
--------------
Array
(
    [0] => gnupg_init
    [1] => gnupg_keyinfo
    [2] => gnupg_sign
    [3] => gnupg_verify
    [4] => gnupg_clearsignkeys
    [5] => gnupg_clearencryptkeys
    [6] => gnupg_cleardecryptkeys
    [7] => gnupg_setarmor
    [8] => gnupg_encrypt
    [9] => gnupg_decrypt
    [10] => gnupg_export
    [11] => gnupg_import
    [12] => gnupg_getprotocol
    [13] => gnupg_setsignmode
    [14] => gnupg_encryptsign
    [15] => gnupg_decryptverify
    [16] => gnupg_geterror
    [17] => gnupg_addsignkey
    [18] => gnupg_addencryptkey
    [19] => gnupg_adddecryptkey
    [20] => gnupg_deletekey
    [21] => gnupg_gettrustlist
    [22] => gnupg_listsignatures
    [23] => gnupg_seterrormode
)