Edit file File name : MemoryCacheItemPool.php Content :<?php /* * Copyright 2016 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ namespace WPMailSMTP\Vendor\Google\Auth\Cache; use WPMailSMTP\Vendor\Psr\Cache\CacheItemInterface; use WPMailSMTP\Vendor\Psr\Cache\CacheItemPoolInterface; /** * Simple in-memory cache implementation. */ final class MemoryCacheItemPool implements \WPMailSMTP\Vendor\Psr\Cache\CacheItemPoolInterface { /** * @var CacheItemInterface[] */ private $items; /** * @var CacheItemInterface[] */ private $deferredItems; /** * {@inheritdoc} * * @return CacheItemInterface The corresponding Cache Item. */ public function getItem($key) : \WPMailSMTP\Vendor\Psr\Cache\CacheItemInterface { return \current($this->getItems([$key])); // @phpstan-ignore-line } /** * {@inheritdoc} * * @return iterable<CacheItemInterface> * A traversable collection of Cache Items keyed by the cache keys of * each item. A Cache item will be returned for each key, even if that * key is not found. However, if no keys are specified then an empty * traversable MUST be returned instead. */ public function getItems(array $keys = []) : iterable { $items = []; $itemClass = \PHP_VERSION_ID >= 80000 ? \WPMailSMTP\Vendor\Google\Auth\Cache\TypedItem::class : \WPMailSMTP\Vendor\Google\Auth\Cache\Item::class; foreach ($keys as $key) { $items[$key] = $this->hasItem($key) ? clone $this->items[$key] : new $itemClass($key); } return $items; } /** * {@inheritdoc} * * @return bool * True if item exists in the cache, false otherwise. */ public function hasItem($key) : bool { $this->isValidKey($key); return isset($this->items[$key]) && $this->items[$key]->isHit(); } /** * {@inheritdoc} * * @return bool * True if the pool was successfully cleared. False if there was an error. */ public function clear() : bool { $this->items = []; $this->deferredItems = []; return \true; } /** * {@inheritdoc} * * @return bool * True if the item was successfully removed. False if there was an error. */ public function deleteItem($key) : bool { return $this->deleteItems([$key]); } /** * {@inheritdoc} * * @return bool * True if the items were successfully removed. False if there was an error. */ public function deleteItems(array $keys) : bool { \array_walk($keys, [$this, 'isValidKey']); foreach ($keys as $key) { unset($this->items[$key]); } return \true; } /** * {@inheritdoc} * * @return bool * True if the item was successfully persisted. False if there was an error. */ public function save(\WPMailSMTP\Vendor\Psr\Cache\CacheItemInterface $item) : bool { $this->items[$item->getKey()] = $item; return \true; } /** * {@inheritdoc} * * @return bool * False if the item could not be queued or if a commit was attempted and failed. True otherwise. */ public function saveDeferred(\WPMailSMTP\Vendor\Psr\Cache\CacheItemInterface $item) : bool { $this->deferredItems[$item->getKey()] = $item; return \true; } /** * {@inheritdoc} * * @return bool * True if all not-yet-saved items were successfully saved or there were none. False otherwise. */ public function commit() : bool { foreach ($this->deferredItems as $item) { $this->save($item); } $this->deferredItems = []; return \true; } /** * Determines if the provided key is valid. * * @param string $key * @return bool * @throws InvalidArgumentException */ private function isValidKey($key) { $invalidCharacters = '{}()/\\\\@:'; if (!\is_string($key) || \preg_match("#[{$invalidCharacters}]#", $key)) { throw new \WPMailSMTP\Vendor\Google\Auth\Cache\InvalidArgumentException('The provided key is not valid: ' . \var_export($key, \true)); } return \true; } } Save