9.5/_loaded_extensions_array_8php_source.html

<?php

namespace ‪TYPO3\CMS\Core\Compatibility;


/*

 * 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!

 */


class ‪LoadedExtensionsArray implements \Iterator, \ArrayAccess, \Serializable, \Countable

{

    protected ‪$packageManager;


    protected ‪$loadedExtensionArrayElementCache = [];


    protected ‪$iteratorPosition;


    public function ‪__construct(\‪TYPO3\CMS\Core\Package\PackageManager ‪$packageManager)

    {

        $this->packageManager = ‪$packageManager;

    }


    public function ‪offsetExists($offset)

    {

        return $this->packageManager->isPackageActive($offset);

    }


    public function ‪offsetGet($offset)

    {

        // Pass it through the package manager, as it resolves package aliases

        $package = $this->packageManager->getPackage($offset);

        $packageKey = $package->getPackageKey();

        if (!isset($this->loadedExtensionArrayElementCache[$packageKey])) {

            $this->loadedExtensionArrayElementCache[$packageKey] = new ‪LoadedExtensionArrayElement($package);

        }

        return $this->loadedExtensionArrayElementCache[$packageKey];

    }


    public function ‪offsetSet($offset, $value)

    {

        throw new \InvalidArgumentException('The array $GLOBALS[\'TYPO3_LOADED_EXT\'] may not be modified.', 1361915596);

    }


    public function ‪offsetUnset($offset)

    {

        throw new \InvalidArgumentException('The array $GLOBALS[\'TYPO3_LOADED_EXT\'] may not be modified.', 1361915610);

    }


    public function ‪serialize()

    {

        return ‪serialize($this->loadedExtensionArrayElementCache);

    }


    public function ‪unserialize($serialized)

    {

        $this->loadedExtensionArrayElementCache = ‪unserialize($serialized);

    }


    public function ‪count()

    {

        return ‪count($this->packageManager->getActivePackages());

    }


    public function ‪current()

    {

        return $this->‪offsetGet($this->iteratorPosition);

    }


    public function ‪next()

    {

        $packageKeys = array_keys($this->packageManager->getActivePackages());

        $position = array_search($this->iteratorPosition, $packageKeys);

        if (isset($packageKeys[$position + 1])) {

            $this->iteratorPosition = $packageKeys[$position + 1];

        } else {

            $this->iteratorPosition = null;

        }

    }


    public function ‪key()

    {

        return ‪$this->iteratorPosition;

    }


    public function ‪valid()

    {

        return $this->‪offsetExists($this->iteratorPosition);

    }


    public function ‪rewind()

    {

        $keys = array_keys($this->packageManager->getActivePackages());

        $this->iteratorPosition = array_shift($keys);

    }


    public function ‪reset()

    {

        $this->loadedExtensionArrayElementCache = [];

        $this->‪rewind();

    }


    public function ‪hasPackageManager()

    {

        return $this->packageManager !== null;

    }


    public function ‪toArray()

    {

        return array_map(

            function ($loadedExtElement) {

                return $loadedExtElement->toArray();

            },

            iterator_to_array($this)

        );

    }

}