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<?php /** MicroCache */ |
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namespace Micro\Cache; |
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use Micro\Base\Exception; |
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use Micro\Base\IContainer; |
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/** |
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* Cache class file. |
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* |
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* @author Oleg Lunegov <[email protected]> |
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* @link https://github.com/lugnsk/micro |
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* @copyright Copyright © 2013 Oleg Lunegov |
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* @license /LICENSE |
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* @package Micro |
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* @subpackage Cache |
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* @version 1.0 |
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* @since 1.0 |
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*/ |
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class Cache |
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{ |
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/** @var array $drivers Supported drivers */ |
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protected static $drivers = [ |
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'array' => '\\Micro\\Cache\\ArrayCache', |
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'apc' => '\\Micro\\Cache\\ApcCache', |
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'file' => '\\Micro\\Cache\\FileCache', |
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'memcache' => '\\Micro\\Cache\\MemcacheCache', |
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'memcached' => '\\Micro\\Cache\\MemcacheCache', |
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'redis' => '\\Micro\\Cache\\RedisCache', |
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'wincache' => '\\Micro\\Cache\\WincacheCache', |
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'xcache' => '\\Micro\\Cache\\XcacheCache' |
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]; |
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/** @var array $servers Activated servers */ |
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protected $servers = []; |
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/** @var IContainer $container Config container */ |
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protected $container; |
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/** |
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* Constructor is a initialize Caches |
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* |
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* @access public |
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* |
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* @param array $config Caching config |
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* |
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* @result void |
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* @throws Exception |
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*/ |
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public function __construct(array $config = []) |
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{ |
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$this->container = $config['container']; |
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if (empty($config['servers'])) { |
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throw new Exception('Caching not configured'); |
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} |
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foreach ($config['servers'] AS $key => $server) { |
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if (array_key_exists($server['driver'], array_keys(self::$drivers))) { |
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$this->servers[$key] = new self::$drivers[$server['driver']] ( |
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array_merge($server, ['container' => $this->container]) |
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); |
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} else { |
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throw new Exception('Cache driver `' . $server['driver'] . '` not found'); |
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} |
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} |
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} |
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/** |
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* Get cache server by name |
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* |
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* @access public |
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* |
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* @param string $driver server name |
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* |
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* @return mixed |
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* @throws Exception |
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*/ |
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public function get($driver = null) |
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{ |
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if (!$driver) { |
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return $this->servers[0]; |
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} |
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if (in_array($driver, $this->servers, true)) { |
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return $this->servers[$driver]; |
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} else { |
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throw new Exception('Cache `' . $driver . '` not found.'); |
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} |
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} |
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} |
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lugnsk /
micro
In PHP, under loose comparison (like
==, or!=, orswitchconditions), values of different types might be equal.For
stringvalues, the empty string''is a special case, in particular the following results might be unexpected: