PHP Manual: gnupg

function gnupg_init(?array $options = null): resource

options

Must be an associative array. It is used to change the default configuration of the crypto engine.

**Configuration overrides**
key	type	description
file_name	string	It is the file name of the executable program implementing this protocol which is usually path of the `gpg` executable.
home_dir	string	It is the directory name of the configuration directory. It also overrides `GNUPGHOME` environment variable that is used for the same purpose.

A GnuPG resource connection used by other GnuPG functions.

Version	Description
PECL gnupg 1.5.0	The `options` parameter was added.

Example #1 Procedural gnupg_init() example with default setting

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

Example #2 Procedural gnupg_init() example with overridden file name and home dir

<?php
$res = gnupg_init(["file_name" => "/usr/bin/gpg2", "home_dir" => "/var/www/.gnupg"]);
?>

Example #3 OO gnupg initializer example with default setting

<?php
$gpg = new gnupg();
?>

Example #4 OO gnupg initializer example with overridden file name and home dir

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