57 lines
1.1 KiB
PHP
57 lines
1.1 KiB
PHP
<?php
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namespace Dotenv\Repository\Adapter;
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use PhpOption\Option;
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class PutenvAdapter implements AvailabilityInterface, ReaderInterface, WriterInterface
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{
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/**
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* Determines if the adapter is supported.
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*
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* @return bool
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*/
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public function isSupported()
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{
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return function_exists('getenv') && function_exists('putenv');
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}
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/**
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* Get an environment variable, if it exists.
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*
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* @param non-empty-string $name
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*
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* @return \PhpOption\Option<string|null>
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*/
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public function get($name)
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{
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/** @var \PhpOption\Option<string|null> */
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return Option::fromValue(getenv($name), false);
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}
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/**
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* Set an environment variable.
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*
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* @param non-empty-string $name
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* @param string|null $value
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*
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* @return void
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*/
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public function set($name, $value = null)
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{
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putenv("$name=$value");
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}
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/**
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* Clear an environment variable.
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*
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* @param non-empty-string $name
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*
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* @return void
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*/
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public function clear($name)
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{
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putenv($name);
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}
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}
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