AdapterInterface.php
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<?php
namespace Dotenv\Environment\Adapter;
interface AdapterInterface
{
/**
* Determines if the adapter is supported.
*
* @return bool
*/
public function isSupported();
/**
* Get an environment variable, if it exists.
*
* @param string $name
*
* @return \PhpOption\Option
*/
public function get($name);
/**
* Set an environment variable.
*
* @param string $name
* @param string|null $value
*
* @return void
*/
public function set($name, $value = null);
/**
* Clear an environment variable.
*
* @param string $name
*
* @return void
*/
public function clear($name);
}