ApplicationContext.php

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<?php
namespace ‪TYPO3\CMS\Core\Core;
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
use ‪TYPO3\CMS\Core\Exception;
 
class ‪ApplicationContext
{
    protected ‪$contextString;
 
    protected ‪$rootContextString;
 
    protected ‪$parentContext;
 
    public function ‪__construct(‪$contextString)
    {
        if (strpos(‪$contextString, '/') === false) {
            $this->rootContextString = ‪$contextString;
            $this->parentContext = null;
        } else {
            $contextStringParts = explode('/', ‪$contextString);
            $this->rootContextString = $contextStringParts[0];
            array_pop($contextStringParts);
            $this->parentContext = new self(implode('/', $contextStringParts));
        }
 
        if (!in_array($this->rootContextString, ['Development', 'Production', 'Testing'], true)) {
            throw new ‪Exception('The given context "' . ‪$contextString . '" was not valid. Only allowed are Development, Production and Testing, including their sub-contexts', 1335436551);
        }
 
        $this->contextString = ‪$contextString;
    }
 
    public function ‪__toString()
    {
        return ‪$this->contextString;
    }
 
    public function ‪isDevelopment()
    {
        return $this->rootContextString === 'Development';
    }
 
    public function ‪isProduction()
    {
        return $this->rootContextString === 'Production';
    }
 
    public function ‪isTesting()
    {
        return $this->rootContextString === 'Testing';
    }
 
    public function ‪getParent()
    {
        return ‪$this->parentContext;
    }
}