当前路径:vendor/topthink/framework/src/think/cache/TagSet.php <?php // +---------------------------------------------------------------------- // | ThinkPHP [ WE CAN DO IT JUST THINK ] // +---------------------------------------------------------------------- // | Copyright (c) 2006~2019 http://thinkphp.cn All rights reserved. // +---------------------------------------------------------------------- // | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 ) // +---------------------------------------------------------------------- // | Author: liu21st <liu21st@gmail.com> // +---------------------------------------------------------------------- declare (strict_types = 1); namespace think\cache; /** * 标签集合 */ class TagSet { /** * 标签的缓存Key * @var array */ protected $tag; /** * 缓存句柄 * @var Driver */ protected $handler; /** * 架构函数 * @access public * @param array $tag 缓存标签 * @param Driver $cache 缓存对象 */ public function __construct(array $tag, Driver $cache) { $this->tag = $tag; $this->handler = $cache; } /** * 写入缓存 * @access public * @param string $name 缓存变量名 * @param mixed $value 存储数据 * @param integer|\DateTime $expire 有效时间(秒) * @return bool */ public function set(string $name, $value, $expire = null): bool { $this->handler->set($name, $value, $expire); $this->append($name); return true; } /** * 追加缓存标识到标签 * @access public * @param string $name 缓存变量名 * @return void */ public function append(string $name): void { $name = $this->handler->getCacheKey($name); foreach ($this->tag as $tag) { $this->handler->push($tag, $name); } } /** * 写入缓存 * @access public * @param iterable $values 缓存数据 * @param null|int|\DateInterval $ttl 有效时间 0为永久 * @return bool */ public function setMultiple($values, $ttl = null): bool { foreach ($values as $key => $val) { $result = $this->set($key, $val, $ttl); if (false === $result) { return false; } } return true; } /** * 如果不存在则写入缓存 * @access public * @param string $name 缓存变量名 * @param mixed $value 存储数据 * @param int $expire 有效时间 0为永久 * @return mixed */ public function remember(string $name, $value, $expire = null) { $result = $this->handler->remember($name, $value, $expire); $this->append($name); return $result; } /** * 清除缓存 * @access public * @return bool */ public function clear(): bool { // 指定标签清除 foreach ($this->tag as $tag) { $names = $this->handler->getTagItems($tag); $this->handler->clearTag($names); $this->handler->delete($tag); } return true; } }
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