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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 file. |
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* |
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* @author Khoa Bui (khoaofgod) <[email protected]> http://www.phpfastcache.com |
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* @author Georges.L (Geolim4) <[email protected]> |
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* |
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*/ |
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namespace phpFastCache\Cache; |
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use phpFastCache\Core\DriverAbstract; |
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trait ItemBaseTrait |
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{ |
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/** |
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* @var bool |
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*/ |
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protected $fetched = false; |
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/** |
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* @var DriverAbstract |
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*/ |
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protected $driver; |
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/** |
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* @var string |
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*/ |
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protected $key; |
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/** |
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* @var mixed |
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*/ |
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protected $data; |
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/** |
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* @var \DateTime |
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*/ |
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protected $expirationDate; |
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/** |
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* @var array |
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*/ |
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protected $tags = []; |
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/** |
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* @var array |
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*/ |
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protected $removedTags = []; |
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/** |
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* @var bool |
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*/ |
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protected $isHit = false; |
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/******************** |
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* |
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* PSR-6 Methods |
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* |
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*******************/ |
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/** |
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* @return string |
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*/ |
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public function getKey() |
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{ |
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return $this->key; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function get() |
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{ |
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return $this->data; |
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} |
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/** |
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* @param mixed $value |
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* @return $this |
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*/ |
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public function set($value) |
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{ |
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/** |
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* The user set a value, |
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* therefore there is no need to |
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* fetch from source anymore |
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*/ |
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$this->fetched = true; |
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$this->data = $value; |
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return $this; |
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} |
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/** |
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* @return bool |
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* @throws \InvalidArgumentException |
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*/ |
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public function isHit() |
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{ |
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return $this->isHit; |
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} |
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/** |
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* @param bool $isHit |
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* @return $this |
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* @throws \InvalidArgumentException |
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*/ |
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public function setHit($isHit) |
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{ |
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if (is_bool($isHit)) { |
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$this->isHit = $isHit; |
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return $this; |
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} else { |
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throw new \InvalidArgumentException('$isHit must be a boolean'); |
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} |
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} |
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/** |
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* @param \DateTimeInterface $expiration |
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* @return $this |
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*/ |
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public function expiresAt($expiration) |
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{ |
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$_php_ver = (float) PHP_VERSION; |
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if ($_php_ver >= 5.5) { |
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if ($expiration instanceof \DateTimeInterface) { |
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$this->expirationDate = $expiration; |
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} else { |
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throw new \InvalidArgumentException('$expiration must be an object implementing the DateTimeInterface'); |
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} |
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} else if ($_php_ver <= 5.4) { |
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if ($expiration instanceof \DateTime) { |
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$this->expirationDate = $expiration; |
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} else { |
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throw new \InvalidArgumentException('$expiration must be an object implementing the DateTime'); |
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} |
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} |
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return $this; |
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} |
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/** |
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* Sets the expiration time for this cache item. |
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* |
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* @param int|\DateInterval $time |
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* The period of time from the present after which the item MUST be considered |
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* expired. An integer parameter is understood to be the time in seconds until |
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* expiration. If null is passed explicitly, a default value MAY be used. |
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* If none is set, the value should be stored permanently or for as long as the |
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* implementation allows. |
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* |
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* @return static |
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* The called object. |
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* |
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* @deprecated Use CacheItemInterface::expiresAfter() instead |
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*/ |
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public function touch($time) |
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{ |
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trigger_error('touch() is deprecated and will be removed in the next major release, use CacheItemInterface::expiresAfter() instead'); |
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return $this->expiresAfter($time); |
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} |
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/** |
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* @param \DateInterval|int $time |
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* @return $this |
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* @throws \InvalidArgumentException |
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*/ |
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public function expiresAfter($time) |
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{ |
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if (is_numeric($time)) { |
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if ($time <= 0) { |
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/** |
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* 5 years, however memcached or memory cached will gone when u restart it |
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* just recommended for sqlite. files |
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*/ |
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$time = 30 * 24 * 3600 * 5; |
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} |
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$this->expirationDate = (new \DateTime())->add(new \DateInterval(sprintf('PT%dS', $time))); |
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} else if ($time instanceof \DateInterval) { |
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$this->expirationDate = (new \DateTime())->add($time); |
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} else { |
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throw new \InvalidArgumentException('Invalid date format'); |
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} |
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return $this; |
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} |
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/******************** |
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* |
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* PSR-6 Extended Methods |
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* |
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*******************/ |
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/** |
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* @return string |
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*/ |
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public function getEncodedKey() |
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{ |
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return md5($this->getKey()); |
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} |
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/** |
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* @return mixed |
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*/ |
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public function getUncommittedData() |
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{ |
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return $this->data; |
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} |
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/** |
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* @return \DateTimeInterface |
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*/ |
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public function getExpirationDate() |
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{ |
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return $this->expirationDate; |
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} |
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/** |
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* @return int |
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*/ |
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public function getTtl() |
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{ |
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$ttl = $this->expirationDate->getTimestamp() - time(); |
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if ($ttl > 2592000) { |
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$ttl = time() + $ttl; |
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} |
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return $ttl; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isExpired() |
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{ |
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return $this->expirationDate->getTimestamp() < (new \DateTime())->getTimestamp(); |
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} |
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/** |
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* @param int $step |
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* @return $this |
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* @throws \InvalidArgumentException |
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*/ |
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View Code Duplication |
public function increment($step = 1) |
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{ |
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if (is_int($step)) { |
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$this->fetched = true; |
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$this->data += $step; |
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} else { |
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throw new \InvalidArgumentException('$step must be numeric.'); |
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} |
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return $this; |
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} |
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/** |
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* @param int $step |
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* @return $this |
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* @throws \InvalidArgumentException |
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*/ |
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View Code Duplication |
public function decrement($step = 1) |
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{ |
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if (is_int($step)) { |
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$this->fetched = true; |
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$this->data -= $step; |
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} else { |
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throw new \InvalidArgumentException('$step must be numeric.'); |
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} |
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return $this; |
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} |
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/** |
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* @param array|string $data |
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* @return $this |
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* @throws \InvalidArgumentException |
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*/ |
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View Code Duplication |
public function append($data) |
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{ |
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if (is_array($this->data)) { |
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array_push($this->data, $data); |
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} else if (is_string($data)) { |
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$this->data .= (string) $data; |
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} else { |
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throw new \InvalidArgumentException('$data must be either array nor string.'); |
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} |
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return $this; |
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} |
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/** |
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* @param array|string $data |
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* @return $this |
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* @throws \InvalidArgumentException |
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*/ |
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View Code Duplication |
public function prepend($data) |
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{ |
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if (is_array($this->data)) { |
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array_unshift($this->data, $data); |
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} else if (is_string($data)) { |
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$this->data = (string) $data . $this->data; |
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} else { |
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throw new \InvalidArgumentException('$data must be either array nor string.'); |
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} |
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return $this; |
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} |
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/** |
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* @param $tagName |
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* @return $this |
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* @throws \InvalidArgumentException |
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*/ |
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public function addTag($tagName) |
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{ |
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if (is_string($tagName)) { |
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$this->tags = array_unique(array_merge($this->tags, [$tagName])); |
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return $this; |
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} else { |
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throw new \InvalidArgumentException('$tagName must be a string'); |
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} |
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} |
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/** |
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* @param array $tagNames |
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* @return $this |
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*/ |
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public function addTags(array $tagNames) |
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{ |
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foreach ($tagNames as $tagName) { |
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$this->addTag($tagName); |
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} |
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return $this; |
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} |
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/** |
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* @param array $tags |
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* @return $this |
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* @throws \InvalidArgumentException |
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*/ |
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public function setTags(array $tags) |
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{ |
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if (count($tags)) { |
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if (array_filter($tags, 'is_string')) { |
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$this->tags = $tags; |
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} else { |
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throw new \InvalidArgumentException('$tagName must be an array of string'); |
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} |
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} |
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return $this; |
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} |
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/** |
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* @return array |
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*/ |
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public function getTags() |
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{ |
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return $this->tags; |
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} |
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/** |
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* @return string |
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*/ |
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public function getTagsAsString($separator = ', ') |
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{ |
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return implode($separator, $this->tags); |
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} |
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/** |
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* @param $tagName |
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* @return $this |
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*/ |
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public function removeTag($tagName) |
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{ |
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if (($key = array_search($tagName, $this->tags)) !== false) { |
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unset($this->tags[ $key ]); |
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$this->removedTags[] = $tagName; |
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} |
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return $this; |
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} |
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/** |
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* @param array $tagNames |
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* @return $this |
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*/ |
403
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public function removeTags(array $tagNames) |
404
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{ |
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foreach ($tagNames as $tagName) { |
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$this->removeTag($tagName); |
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} |
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return $this; |
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} |
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/** |
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* @return array |
414
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*/ |
415
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public function getRemovedTags() |
416
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{ |
417
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return array_diff($this->removedTags, $this->tags); |
418
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} |
419
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/** |
421
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|
|
* Return the data as a well-formatted string. |
422
|
|
|
* Any scalar value will be casted to an array |
423
|
|
|
* @param int $option json_encode() options |
424
|
|
|
* @param int $depth json_encode() depth |
425
|
|
|
* @return string |
426
|
|
|
*/ |
427
|
|
|
public function getDataAsJsonString($option = 0, $depth = 512) |
428
|
|
|
{ |
429
|
|
|
$data = $this->get(); |
430
|
|
|
|
431
|
|
|
if (is_object($data) || is_array($data)) { |
432
|
|
|
$data = json_encode($data, $option, $depth); |
433
|
|
|
} else { |
434
|
|
|
$data = json_encode([$data], $option, $depth); |
435
|
|
|
} |
436
|
|
|
|
437
|
|
|
return json_encode($data, $option, $depth); |
438
|
|
|
} |
439
|
|
|
|
440
|
|
|
/** |
441
|
|
|
* Implements \JsonSerializable interface |
442
|
|
|
* @return mixed |
443
|
|
|
*/ |
444
|
|
|
public function jsonSerialize() |
445
|
|
|
{ |
446
|
|
|
return $this->get(); |
447
|
|
|
} |
448
|
|
|
|
449
|
|
|
/** |
450
|
|
|
* Prevent recursions for Debug (php 5.6+) |
451
|
|
|
* @return array |
452
|
|
|
*/ |
453
|
|
|
final public function __debugInfo() |
454
|
|
|
{ |
455
|
|
|
$info = get_object_vars($this); |
456
|
|
|
$info[ 'driver' ] = 'object(' . get_class($info[ 'driver' ]) . ')'; |
457
|
|
|
|
458
|
|
|
return (array) $info; |
459
|
|
|
} |
460
|
|
|
} |
461
|
|
|
|
Our type inference engine has found a suspicous assignment of a value to a property. This check raises an issue when a value that can be of a given class or a super-class is assigned to a property that is type hinted more strictly.
Either this assignment is in error or an instanceof check should be added for that assignment.