1<?php 2 3/* 4 * This file is part of the Symfony package. 5 * 6 * (c) Fabien Potencier <fabien@symfony.com> 7 * 8 * For the full copyright and license information, please view the LICENSE 9 * file that was distributed with this source code. 10 */ 11 12namespace Symfony\Component\DependencyInjection; 13 14/** 15 * EnvVarLoaderInterface objects return key/value pairs that are added to the list of available env vars. 16 * 17 * @author Nicolas Grekas <p@tchwork.com> 18 */ 19interface EnvVarLoaderInterface 20{ 21 /** 22 * @return string[] Key/value pairs that can be accessed using the regular "%env()%" syntax 23 */ 24 public function loadEnvVars(): array; 25} 26