Verifies a signed text

# gnupg_verify

(PECL gnupg >= 0.1)

gnupg_verify — Verifies a signed text

### Description

function gnupg_verify(
resource `$identifier`,
string `$signed_text`,
string `$signature`,
string `&$plaintext` = ?
): array|false

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

### Parameters

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

### Return Values

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

### Examples

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);
    ?>

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