<?php /** @file */ /** * cache api */ class Cache { public static function get($key){ $r = q("SELECT v FROM cache WHERE k = '%s' limit 1", dbesc($key) ); if ($r) return $r[0]['v']; return null; } public static function set($key,$value) { $r = q("SELECT * FROM cache WHERE k = '%s' limit 1", dbesc($key) ); if($r) { q("UPDATE cache SET v = '%s', updated = '%s' WHERE k = '%s'", dbesc($value), dbesc(datetime_convert()), dbesc($key)); } else { q("INSERT INTO cache ( k, v, updated) VALUES ('%s','%s','%s')", dbesc($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"))); } }