9.5/_variable_frontend_8php_source.html

<?php

namespace ‪TYPO3\CMS\Core\Cache\Frontend;


/*

 * 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\Cache\Backend\TransientBackendInterface;

use ‪TYPO3\CMS\Core\Utility\GeneralUtility;


class ‪VariableFrontend extends ‪AbstractFrontend

{

    public function set($entryIdentifier, $variable, array $tags = [], $lifetime = null)

    {

        if (!$this->‪isValidEntryIdentifier($entryIdentifier)) {

            throw new \InvalidArgumentException(

                '"' . $entryIdentifier . '" is not a valid cache entry identifier.',

                1233058264

            );

        }

        foreach ($tags as $tag) {

            if (!$this->‪isValidTag($tag)) {

                throw new \InvalidArgumentException('"' . $tag . '" is not a valid tag for a cache entry.', 1233058269);

            }

        }


        foreach (‪$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/cache/frontend/class.t3lib_cache_frontend_variablefrontend.php']['set'] ?? [] as $_funcRef) {

            $params = [

                'entryIdentifier' => &$entryIdentifier,

                'variable' => &$variable,

                'tags' => &$tags,

                'lifetime' => &$lifetime

            ];

            GeneralUtility::callUserFunction($_funcRef, $params, $this);

        }

        if (!$this->backend instanceof ‪TransientBackendInterface) {

            $variable = serialize($variable);

        }

        $this->backend->set($entryIdentifier, $variable, $tags, $lifetime);

    }


    public function get($entryIdentifier)

    {

        if (!$this->‪isValidEntryIdentifier($entryIdentifier)) {

            throw new \InvalidArgumentException(

                '"' . $entryIdentifier . '" is not a valid cache entry identifier.',

                1233058294

            );

        }

        $rawResult = $this->backend->get($entryIdentifier);

        if ($rawResult === false) {

            return false;

        }

        return $this->backend instanceof ‪TransientBackendInterface ? $rawResult : unserialize($rawResult);

    }


    public function ‪getByTag($tag)

    {

        trigger_error('VariableFrontend->getByTag() will be removed in TYPO3 v10.0. Avoid using this method since it is not compliant to PSR-6.', E_USER_DEPRECATED);

        if (!$this->‪isValidTag($tag)) {

            throw new \InvalidArgumentException('"' . $tag . '" is not a valid tag for a cache entry.', 1233058312);

        }

        $entries = [];

        $identifiers = $this->backend->findIdentifiersByTag($tag);

        foreach ($identifiers as ‪$identifier) {

            $rawResult = $this->backend->get(‪$identifier);

            if ($rawResult !== false) {

                $entries[] = $this->backend instanceof ‪TransientBackendInterface ? $rawResult : unserialize($rawResult);

            }

        }

        return $entries;

    }

}