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