Verifies a signed text

# gnupg_verify

(PECL gnupg >= 0.1)

gnupg_verify — Verifies a signed text

### Description

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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