www.gusucode.com > KPPW众包威客PHP开源建站系统 v3.0源码程序 > KPPW/vendor/illuminate/cache/TagSet.php
<?php namespace Illuminate\Cache; use Illuminate\Contracts\Cache\Store; class TagSet { /** * The cache store implementation. * * @var \Illuminate\Contracts\Cache\Store */ protected $store; /** * The tag names. * * @var array */ protected $names = []; /** * Create a new TagSet instance. * * @param \Illuminate\Contracts\Cache\Store $store * @param array $names * @return void */ public function __construct(Store $store, array $names = []) { $this->store = $store; $this->names = $names; } /** * Reset all tags in the set. * * @return void */ public function reset() { array_walk($this->names, [$this, 'resetTag']); } /** * Get the unique tag identifier for a given tag. * * @param string $name * @return string */ public function tagId($name) { return $this->store->get($this->tagKey($name)) ?: $this->resetTag($name); } /** * Get an array of tag identifiers for all of the tags in the set. * * @return array */ protected function tagIds() { return array_map([$this, 'tagId'], $this->names); } /** * Get a unique namespace that changes when any of the tags are flushed. * * @return string */ public function getNamespace() { return implode('|', $this->tagIds()); } /** * Reset the tag and return the new tag identifier. * * @param string $name * @return string */ public function resetTag($name) { $this->store->forever($this->tagKey($name), $id = str_replace('.', '', uniqid('', true))); return $id; } /** * Get the tag identifier key for a given tag. * * @param string $name * @return string */ public function tagKey($name) { return 'tag:'.$name.':key'; } /** * Get all of the tag names in the set. * * @return array */ public function getNames() { return $this->names; } }