# gnupg_verify

(PECL gnupg >= 0.1)

gnupg_verify — Verifies a signed text

### 说明

gnupg_verify ( resource `$identifier` , string `$signed_text` , string `$signature` [, string `&$plaintext` ] ) : array

Verifies the given `signed_text` and returns information about the signature.

### 参数

`identifier`

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

`signed_text`

  The signed text.

`signature`

  The signature. To verify a clearsigned text, set signature to `FALSE`.

`plaintext`

  The plain text. If this optional parameter is passed, it is filled with the plain text.

### 返回值

On success, this function returns information about the signature. On failure, this function returns `FALSE`.

### 范例

Example #1 Procedural gnupg_verify() example

    <?php
    $plaintext = "";
    $res = gnupg_init();
    // clearsigned
    $info = gnupg_verify($res,$signed_text,false,$plaintext);
    print_r($info);
    // detached signature
    $info = gnupg_verify($res,$signed_text,$signature);
    print_r($info);
    ?>

Example #2 OO gnupg_verify() example

    <?php
    $plaintext = "";
    $gpg = new gnupg();
    // clearsigned
    $info = $gpg -> verify($signed_text,false,$plaintext);
    print_r($info);
    // detached signature
    $info = $gpg -> verify($signed_text,$signature);
    print_r($info);
    ?>