PHP writes a cache interface demo, compatible with Redis and memcache

/** * Factory Method mode * ------------- * @author Zhangqian * @version v1.0 */ Cache interface Interface Cache { Public function init ($conf); Public Function Setval ($key, $val); Public Function Getval ($key); Public Function DelVal ($key); Public Function autoincreament ($key); } Mem Class Mymemcache implements Cache { Mymem Connection Public function init ($conf) { Echo ' Initialize Mymem '; } Public Function Setval ($key, $val) { echo ' mem setting value '; } Public Function Getval ($key) { Echo ' mem gets value '; } Public Function DelVal ($key) { Echo ' mem Delete value '; } Public Function autoincreament ($key) { Echo ' mem self-increment '; } } Redis Class Rediscache implements Cache { Redis Connection Public function init ($arr) { Echo ' Initialize Redis '; } Public Function Setval ($key, $val) { echo ' Redis setting value '; } Public Function Getval ($key) { Echo ' Redis get value '; } Public Function DelVal ($key) { Echo ' Redis delete value '; } Public Function autoincreament ($key) { Echo ' Redis self-increment '; } } Class Cachefactory { private static $obj; private static $type; private static $conf; private static $allowtype = Array (' Mymem ', ' Redis '); private static function GetConfig () { Include_once (' config.php '); Load configuration file Gets the type of cache and the configuration parameters of the cache Global $_SC; Self:: $type = $_sc[' CacheType '];//the judgment of the short value Self:: $conf = $_sc[' cacheconf '];//the judgment of the short value } External call to create cache object public static function CreateOperation () { Self::getconfig (); Try { $error = ' Unknown cache type '; if (In_array (self:: $type, Self:: $allowtype)) { $type = self:: $type. ' Cache '; Self:: $obj = new $type; Self:: $obj->init (self:: $conf);//Connection } Else throw new Exception ($error); } catch (Exception $e) { Echo ' caught exception: ', $e->getmessage (), "\ n"; Exit } Return self:: $obj; } } $_SC = Array (); $_sc[' cachetype '] = ' redis ';//mymem $_sc[' cacheconf ' = Array (); $cache = Cachefactory::createoperation (); $cache->setval (' A ', 1); Echo ' '; $a = $cache->getval (' a '); Echo ' '; $cache->delval (' a '); ?> Copy Code

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