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34 lines
666 B
34 lines
666 B
<?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) 2012-2023 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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