56 lines
965 B
PHP
56 lines
965 B
PHP
<?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);
|
|
}
|
|
}
|