35 lines
666 B
PHP
Executable File
35 lines
666 B
PHP
Executable File
<?php
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/*
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* This file is part of Psy Shell.
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*
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* (c) 2012-2026 Justin Hileman
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Psy;
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/**
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* Environment variables implementation via getenv().
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*/
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class SystemEnv implements EnvInterface
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{
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/**
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* Get an environment variable by name.
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*
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* @return string|null
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*/
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public function get(string $key)
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{
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if (isset($_SERVER[$key]) && $_SERVER[$key]) {
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return $_SERVER[$key];
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}
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$result = \getenv($key);
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return $result === false ? null : $result;
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}
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}
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