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