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90 lines
1.9 KiB
PHP
90 lines
1.9 KiB
PHP
<?php
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declare(strict_types=1);
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namespace Dotenv\Repository\Adapter;
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use PhpOption\Option;
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use PhpOption\Some;
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final class EnvConstAdapter implements AdapterInterface
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{
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/**
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* Create a new env const adapter instance.
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*
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* @return void
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*/
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private function __construct()
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{
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//
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}
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/**
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* Create a new instance of the adapter, if it is available.
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*
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* @return \PhpOption\Option<\Dotenv\Repository\Adapter\AdapterInterface>
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*/
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public static function create()
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{
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/** @var \PhpOption\Option<AdapterInterface> */
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return Some::create(new self());
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}
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/**
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* Read 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>
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*/
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public function read(string $name)
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{
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/** @var \PhpOption\Option<string> */
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return Option::fromArraysValue($_ENV, $name)
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->filter(static function ($value) {
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return \is_scalar($value);
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})
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->map(static function ($value) {
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if ($value === false) {
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return 'false';
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}
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if ($value === true) {
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return 'true';
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}
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/** @psalm-suppress PossiblyInvalidCast */
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return (string) $value;
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});
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}
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/**
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* Write to an environment variable, if possible.
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*
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* @param non-empty-string $name
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* @param string $value
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*
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* @return bool
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*/
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public function write(string $name, string $value)
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{
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$_ENV[$name] = $value;
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return true;
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}
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/**
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* Delete an environment variable, if possible.
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*
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* @param non-empty-string $name
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*
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* @return bool
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*/
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public function delete(string $name)
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{
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unset($_ENV[$name]);
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return true;
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}
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}
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