TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:09 +02:00
commit af8cc155b5
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+<?php
+
+declare(strict_types=1);
+
+/*
+ * 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!
+ */
+
+namespace TYPO3\CMS\Core\Cache\Backend;
+
+use TYPO3\CMS\Core\Cache\Exception;
+use TYPO3\CMS\Core\Cache\Exception\InvalidDataException;
+
+/**
+ * A contract for a cache backends which store variables in volatile
+ * memory and as such support receiving any variable type to store.
+ *
+ * Note: respect for this contract is up to each individual frontend.
+ * The contract can be respected for a small performance boost, but
+ * the result is marginal except for cases with huge serialized
+ * data sets.
+ *
+ * Respected by the VariableFrontend which checks if the backend
+ * has this interface, in which case it allows the backend to store
+ * the value directly without serializing it to a string, and does
+ * not attempt to unserialize the string on every get() request.
+ */
+interface TransientBackendInterface extends BackendInterface
+{
+    /**
+     * Saves data in the cache.
+     *
+     * @param string $entryIdentifier An identifier for this specific cache entry
+     * @param mixed $data The data to be stored
+     * @param array $tags Tags to associate with this cache entry. If the backend does not support tags, this option can be ignored.
+     * @param int|null $lifetime Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited lifetime.
+     * @throws Exception if no cache frontend has been set.
+     * @throws InvalidDataException if the data is not a string
+     */
+    public function set(string $entryIdentifier, mixed $data, array $tags = [], ?int $lifetime = null): void;
+}