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Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
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declare(strict_types=1);
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namespace Dotenv\Repository\Adapter;
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use PhpOption\None;
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use PhpOption\Option;
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use PhpOption\Some;
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final class ApacheAdapter implements AdapterInterface
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{
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    /**
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     * Create a new apache 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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        if (self::isSupported()) {
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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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        return None::create();
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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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     * This happens if PHP is running as an Apache module.
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     *
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     * @return bool
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     */
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    private static function isSupported()
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    {
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        return \function_exists('apache_getenv') && \function_exists('apache_setenv');
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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 $name)
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    {
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        /** @var \PhpOption\Option<string> */
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        return Option::fromValue(apache_getenv($name))->filter(static function ($value) {
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            return \is_string($value) && $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 $value)
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    {
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        return apache_setenv($name, $value);
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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 $name)
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    {
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        return apache_setenv($name, '');
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    }
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}