friendica-github/include/cache.php
Fabio Comuni 306036c626 cache api
2011-10-24 13:02:38 +02:00

29 lines
554 B
PHP

<?php
/**
* cache api
*/
class Cache {
public static function get($key){
$r = q("SELECT `v` FROM `cache` WHERE `k`='%s'",
dbesc($key)
);
if (count($r)) return $r[0]['v'];
return null;
}
public static function set($key,$value) {
q("INSERT INTO `cache` VALUES ('%s','%s','%s')",
dbesc($key),
dbesc($value),
dbesc(datetime_convert()));
}
public static function clear(){
q("DELETE FROM `cache` WHERE `updated` < '%s'",
dbesc(datetime_convert('UTC','UTC',"now - 30 days")));
}
}