* @package WPSEO\Internals
if ( ! defined( 'WPSEO_VERSION' ) ) {
header( 'Status: 403 Forbidden' );
header( 'HTTP/1.1 403 Forbidden' );
if ( is_dir( WPSEO_PATH . YOAST_VENDOR_PREFIX_DIRECTORY ) ) {
require_once WPSEO_PATH . YOAST_VENDOR_PREFIX_DIRECTORY . '/guzzlehttp/guzzle/src/functions.php';
require_once WPSEO_PATH . YOAST_VENDOR_PREFIX_DIRECTORY . '/guzzlehttp/psr7/src/functions_include.php';
require_once WPSEO_PATH . YOAST_VENDOR_PREFIX_DIRECTORY . '/guzzlehttp/promises/src/functions_include.php';
* Retrieves the main instance.
* @phpcs:disable WordPress.NamingConventions -- Should probably be renamed, but leave for now.
* @return Main The main instance.