# gnupg_sign

(PECL gnupg >= 0.1)

gnupg_sign — Signs a given text

### Description

gnupg_sign ( resource `$identifier` , string `$plaintext` ) : string

Signs the given `plaintext` with the keys, which were set with gnupg_addsignkey before and returns the signed text or the signature, depending on what was set with gnupg_setsignmode.

### Parameters

`identifier`

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

`plaintext`

  The plain text being signed.

### Return Values

On success, this function returns the signed text or the signature. On failure, this function returns `FALSE`.

### Examples

Example #1 Procedural gnupg_sign() example

`<?php
$res = gnupg_init();
gnupg_addsignkey($res,"8660281B6051D071D94B5B230549F9DC851566DC","test");
$signed = gnupg_sign($res, "just a test");
echo $signed;
?>`

Example #2 OO gnupg_sign() example

`<?php
$gpg = new gnupg();
$gpg->addsignkey("8660281B6051D071D94B5B230549F9DC851566DC","test");
$signed = $gpg->sign("just a test");
echo $signed;
?>`