# gnupg_encrypt

(PECL gnupg >= 0.1)

gnupg_encrypt — Encrypts a given text

### 说明

gnupg_encrypt(resource `$identifier`, string `$plaintext`): string|false

Encrypts the given `plaintext` with the keys, which were set with gnupg_addencryptkey before and returns the encrypted text.

### 参数

`identifier`

  gnupg 标识符，由对 gnupg_init() 或 gnupg 的调用生成。

`plaintext`
  The text being encrypted.

### 返回值

On success, this function returns the encrypted text. On failure, this function returns `false`.

### 示例

示例 #1 Procedural gnupg_encrypt() example

`<?php
$res = gnupg_init();
gnupg_addencryptkey($res,"8660281B6051D071D94B5B230549F9DC851566DC");
$enc = gnupg_encrypt($res, "just a test");
echo $enc;
?>`

示例 #2 OO gnupg_encrypt() example

`<?php
$gpg = new gnupg();
$gpg->addencryptkey("8660281B6051D071D94B5B230549F9DC851566DC");
$enc = $gpg->encrypt("just a test");
echo $enc;
?>`
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