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<?php |
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/** |
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* |
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* This file is part of Phpfastcache. |
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* |
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* @license MIT License (MIT) |
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* |
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* For full copyright and license information, please see the docs/CREDITS.txt and LICENCE files. |
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* |
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* @author Georges.L (Geolim4) <[email protected]> |
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* @author Contributors https://github.com/PHPSocialNetwork/phpfastcache/graphs/contributors |
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*/ |
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declare(strict_types=1); |
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namespace Phpfastcache\Core\Item; |
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use DateTime; |
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use DateTimeInterface; |
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use Phpfastcache\Core\Pool\ExtendedCacheItemPoolInterface; |
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use Phpfastcache\Event\EventManagerInterface; |
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use Phpfastcache\Exceptions\PhpfastcacheInvalidArgumentException; |
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use Phpfastcache\Exceptions\PhpfastcacheLogicException; |
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trait ExtendedCacheItemTrait |
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{ |
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use CacheItemTrait; |
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protected ExtendedCacheItemPoolInterface $driver; |
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protected string $encodedKey; |
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/** |
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* Item constructor. |
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* @param ExtendedCacheItemPoolInterface $driver |
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* @param string $key |
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* @param EventManagerInterface $em |
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* @throws PhpfastcacheInvalidArgumentException |
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*/ |
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public function __construct(ExtendedCacheItemPoolInterface $driver, string $key, EventManagerInterface $em) |
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{ |
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$this->data = null; |
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$this->key = $key; |
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$this->setEventManager($em); |
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$this->setDriver($driver); |
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if ($driver->getConfig()->isUseStaticItemCaching()) { |
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$this->driver->setItem($this); |
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} |
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$this->expirationDate = new DateTime(); |
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if ($this->driver->getConfig()->isItemDetailedDate()) { |
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$this->creationDate = new DateTime(); |
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$this->modificationDate = new DateTime(); |
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} |
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} |
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/** |
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* @param ExtendedCacheItemPoolInterface $driver |
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* @return ExtendedCacheItemInterface |
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* @throws PhpfastcacheInvalidArgumentException |
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*/ |
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public function setDriver(ExtendedCacheItemPoolInterface $driver): ExtendedCacheItemInterface |
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{ |
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$driverClass = $this->getDriverClass(); |
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if ($driver instanceof $driverClass) { |
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$this->driver = $driver; |
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return $this; |
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} |
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throw new PhpfastcacheInvalidArgumentException(\sprintf('Invalid driver instance "%s" for cache item "%s"', $driver::class, static::class)); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function getEncodedKey(): string |
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{ |
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// Only calculate the encoded key on demand to save resources |
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if (!isset($this->encodedKey)) { |
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$keyHashFunction = $this->driver->getConfig()->getDefaultKeyHashFunction(); |
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if ($keyHashFunction) { |
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$this->encodedKey = $keyHashFunction($this->getKey()); |
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} else { |
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$this->encodedKey = $this->getKey(); |
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} |
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} |
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return $this->encodedKey; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function getRawValue(): mixed |
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{ |
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return $this->data; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function getExpirationDate(): DateTimeInterface |
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{ |
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return $this->expirationDate; |
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} |
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/** |
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* @inheritDoc |
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* @throws PhpfastcacheInvalidArgumentException |
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*/ |
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public function setExpirationDate(DateTimeInterface $expiration): ExtendedCacheItemInterface |
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{ |
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return $this->expiresAt($expiration); |
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} |
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/** |
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* @inheritDoc |
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* @throws PhpfastcacheLogicException |
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*/ |
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public function getCreationDate(): DateTimeInterface |
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{ |
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if ($this->driver->getConfig()->isItemDetailedDate()) { |
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return $this->creationDate; |
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} |
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throw new PhpfastcacheLogicException('Cannot access to the creation date when the "itemDetailedDate" configuration is disabled.'); |
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} |
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/** |
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* @inheritDoc |
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* @throws PhpfastcacheLogicException |
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*/ |
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public function setCreationDate(DateTimeInterface $date): ExtendedCacheItemInterface |
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{ |
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if ($this->driver->getConfig()->isItemDetailedDate()) { |
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$this->creationDate = $date; |
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return $this; |
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} |
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throw new PhpfastcacheLogicException('Cannot access to the creation date when the "itemDetailedDate" configuration is disabled.'); |
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} |
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/** |
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* @inheritDoc |
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* @throws PhpfastcacheLogicException |
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*/ |
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public function getModificationDate(): DateTimeInterface |
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{ |
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if ($this->driver->getConfig()->isItemDetailedDate()) { |
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return $this->modificationDate; |
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} |
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throw new PhpfastcacheLogicException('Cannot access to the modification date when the "itemDetailedDate" configuration is disabled.'); |
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} |
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/** |
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* @inheritDoc |
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* @throws PhpfastcacheLogicException |
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*/ |
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public function setModificationDate(DateTimeInterface $date): ExtendedCacheItemInterface |
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{ |
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if ($this->driver->getConfig()->isItemDetailedDate()) { |
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$this->modificationDate = $date; |
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return $this; |
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} |
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throw new PhpfastcacheLogicException('Cannot access to the modification date when the "itemDetailedDate" configuration is disabled.'); |
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} |
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public function getTtl(): int |
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{ |
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return \max(0, $this->expirationDate->getTimestamp() - \time()); |
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} |
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public function isExpired(): bool |
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{ |
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return $this->expirationDate->getTimestamp() < (new DateTime())->getTimestamp(); |
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} |
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public function isNull(): bool |
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{ |
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return $this->data === null; |
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} |
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public function isEmpty(): bool |
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{ |
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return empty($this->data); |
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} |
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/** |
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* Return the data length: |
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* Either the string length if it's a string (binary mode) |
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* # or the number of element (count) if it's an array |
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* # or the number returned by count() if it's an object implementing \Countable interface |
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* # -1 for anything else |
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* @return int |
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*/ |
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public function getLength(): int |
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{ |
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switch (\gettype($this->data)) { |
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case 'array': |
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case 'object': |
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if (\is_countable($this->data)) { |
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return \count($this->data); |
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} |
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break; |
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case 'string': |
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return \strlen($this->data); |
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} |
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return -1; |
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} |
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public function increment(int $step = 1): ExtendedCacheItemInterface |
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{ |
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$this->data += $step; |
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return $this; |
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} |
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public function decrement(int $step = 1): ExtendedCacheItemInterface |
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{ |
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$this->data -= $step; |
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return $this; |
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} |
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public function append(array|string $data): ExtendedCacheItemInterface |
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{ |
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if (\is_array($this->data)) { |
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$this->data[] = $data; |
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} else { |
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$this->data .= $data; |
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} |
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return $this; |
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} |
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public function prepend(array|string $data): ExtendedCacheItemInterface |
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{ |
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if (\is_array($this->data)) { |
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\array_unshift($this->data, $data); |
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} else { |
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$this->data = $data . $this->data; |
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} |
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return $this; |
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} |
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/** |
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* Return the data as a well-formatted string. |
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* Any scalar value will be casted to an array |
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* @param int $options \json_encode() options |
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* @param int $depth \json_encode() depth |
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* @return string |
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*/ |
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public function getDataAsJsonString(int $options = JSON_THROW_ON_ERROR, int $depth = 512): string |
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{ |
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$data = $this->get(); |
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if (\is_object($data) || \is_array($data)) { |
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$data = \json_encode($data, $options, $depth); |
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} else { |
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$data = \json_encode([$data], $options, $depth); |
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} |
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return \json_encode($data, $options, $depth); |
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} |
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public function jsonSerialize(): mixed |
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{ |
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return $this->get(); |
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} |
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public function doesItemBelongToThatDriverBackend(ExtendedCacheItemPoolInterface $driverPool): bool |
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{ |
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return $driverPool::getClassNamespace() === self::getClassNamespace(); |
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} |
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/** |
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* @throws PhpfastcacheLogicException |
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* @throws PhpfastcacheInvalidArgumentException |
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*/ |
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public function cloneInto(ExtendedCacheItemInterface $itemTarget, ?ExtendedCacheItemPoolInterface $itemPoolTarget = null): void |
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{ |
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$itemTarget->setEventManager($this->getEventManager()) |
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->set($this->getRawValue()) |
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->setHit($this->isHit()) |
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->setTags($this->getTags()) |
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->expiresAt($this->getExpirationDate()) |
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->setDriver($itemPoolTarget ?? $this->driver); |
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if ($this->driver->getConfig()->isItemDetailedDate()) { |
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$itemTarget->setCreationDate($this->getCreationDate()) |
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->setModificationDate($this->getModificationDate()); |
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} |
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} |
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abstract protected function getDriverClass(): string; |
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} |
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