tao-test/app/generis/common/oatbox/service/EnvironmentVariable.php

51 lines
1.4 KiB
PHP

<?php
/**
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; under version 2
* of the License (non-upgradable).
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright (c) 2019 (original work) Open Assessment Technologies SA;
*/
namespace oat\oatbox\service;
use common_Utils as Utils;
use InvalidArgumentException;
use oat\oatbox\PhpSerializable;
class EnvironmentVariable implements PhpSerializable
{
/** @var string */
private $name;
public function __construct($name)
{
if (!is_string($name)) {
throw new InvalidArgumentException('Environment variable name must be a string.');
}
$this->name = $name;
}
public function __toPhpCode()
{
return 'new ' . __CLASS__ . '(' . Utils::toPHPVariableString($this->name) . ')';
}
public function __toString()
{
return (string) $_ENV[$this->name];
}
}