64 lines
1.8 KiB
PHP
64 lines
1.8 KiB
PHP
<?PHP
|
|
/**
|
|
* Provides static functions for simple caching.
|
|
*
|
|
* @author Joshua Ramon Enslin <joshua@museum-digital.de>
|
|
*/
|
|
declare(strict_types = 1);
|
|
|
|
/**
|
|
* Provides caching functions.
|
|
*/
|
|
final class MD_STD_CACHE {
|
|
|
|
/** @var string */
|
|
public static string $redis_host = '127.0.0.1';
|
|
/** @var integer */
|
|
public static int $redis_port = 6379;
|
|
|
|
/**
|
|
* Caches and serves a page through redis. Should be called at the start
|
|
* of the script generating a page.
|
|
*
|
|
* @param string $redisKey Key to cache by in redis.
|
|
* @param integer $expiry Expiration time in seconds.
|
|
*
|
|
* @return string
|
|
*/
|
|
public static function serve_page_through_redis_cache(string $redisKey, int $expiry = 3600):string {
|
|
|
|
$redis = new Redis();
|
|
$redis->connect(self::$redis_host, self::$redis_port, 1, NULL, 0, 0, ['auth' => [MD_CONF::$redis_pw]]);
|
|
if ($redis->ping() !== false) {
|
|
|
|
ob_start();
|
|
|
|
if (($redisResult = $redis->get($redisKey))) {
|
|
$redis->close();
|
|
return $redisResult;
|
|
}
|
|
else {
|
|
|
|
register_shutdown_function(function(string $redisKey, int $expiry = 3600) :void {
|
|
|
|
$outputT = MD_STD::minimizeHTMLString(MD_STD::ob_get_clean());
|
|
echo $outputT;
|
|
|
|
$redis = new Redis();
|
|
$redis->connect(self::$redis_host, self::$redis_port, 1, NULL, 0, 0, ['auth' => [MD_CONF::$redis_pw]]);
|
|
$redis->set($redisKey, $outputT);
|
|
$redis->expire($redisKey, $expiry);
|
|
$redis->close();
|
|
}, $redisKey);
|
|
|
|
}
|
|
|
|
$redis->close();
|
|
}
|
|
$redis->close();
|
|
|
|
return '';
|
|
|
|
}
|
|
}
|