include/cache.php

   1 <?php
   2         /**
   3          *  cache api
   4          */
   5
   6         class Cache {
   7                 public static function get($key){
   8                         $r = q("SELECT `v` FROM `cache` WHERE `k`='%s'",
   9                                 dbesc($key)
  10                         );
  11
  12                         if (count($r)) return $r[0]['v'];
  13                         return null;
  14                 }
  15
  16                 public static function set($key,$value) {
  17                         q("INSERT INTO `cache` VALUES ('%s','%s','%s')",
  18                                 dbesc($key),
  19                                 dbesc($value),
  20                                 dbesc(datetime_convert()));
  21                 }
  22
  23                 public static function clear(){
  24                         q("DELETE FROM `cache` WHERE `updated` < '%s'",
  25                                 dbesc(datetime_convert('UTC','UTC',"now - 30 days")));
  26                 }
  27
  28         }
  29