TZRedis.php
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<?php
namespace Tz\WordPress\Tools;
use Throwable;
use Predis;
class TZRedis {
protected static $redis = null;
private static $err = "TZRedis !!! ";
private static function connectInstance() {
try {
if(!self::$redis) {
self::$redis = new Predis\Client();
}
} catch(Throwable $e) {
error_log(self::$err.$e->getMessage());
}
}
static function set($key, $val, $expire = 300) {
try {
self::connectInstance();
if(self::$redis) {
self::$redis->set($key, $val, 'ex', $expire);
}
}catch (Throwable $e) {
error_log(self::$err."Failed to set ".$key." with ".$val. ", error message = ".$e->getMessage());
}
}
static function get($key, $unserialize = false) {
try {
self::connectInstance();
if(self::$redis) {
if($unserialize) {
return unserialize(self::$redis->get($key));
} else {
return self::$redis->get($key);
}
}
}catch (Throwable $e) {
error_log(self::$err."Failed to get ".$key);
}
}
static function exists($key) {
try {
self::connectInstance();
if(self::$redis) {
return self::$redis->exists($key);
}
}catch (Throwable $e) {
error_log(self::$err.$e->getMessage());
}
}
static function clear($key) {
try {
self::connectInstance();
if(self::$redis) {
self::$redis->delete($key);
}
}catch (Throwable $e) {
error_log(self::$err.$e->getMessage());
}
}
}