Returns the engine info

# gnupg_getengineinfo

(PECL gnupg >= 1.5)

gnupg_getengineinfo — Returns the engine info

### 说明

function gnupg_getengineinfo(resource `$identifier`): array

### 参数

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

### 返回值

Returns an array with engine info consisting of `protocol`, `file_name` and `home_dir`.

### 示例

示例 #1 Procedural gnupg_getengineinfo() example

    <?php
    $res = gnupg_init();
    print_r(gnupg_getengineinfo($res));
    ?>

以上示例会输出：

    array(3) {
      ["protocol"]=>
      int(0)
      ["file_name"]=>
      string(12) "/usr/bin/gpg"
      ["home_dir"]=>
      string(0) ""
    }

示例 #2 OO gnupg_getengineinfo() example

    <?php
    $gpg = new gnupg(["file_name" => "/usr/bin/gpg2", "home_dir" => "/var/www/.gnupg"]);
    print_r($gpg->getengineinfo());
    ?>

以上示例会输出：

    array(3) {
      ["protocol"]=>
      int(0)
      ["file_name"]=>
      string(13) "/usr/bin/gpg2"
      ["home_dir"]=>
      string(15) "/var/www/.gnupg"
    }

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