git.m6w6.name Git - m6w6/pq-gateway/blob - lib/pq/Gateway/Table/StaticCache.php

   1 <?php
   2
   3 namespace pq\Gateway\Table;
   4
   5 class StaticCache implements CacheInterface
   6 {
   7         protected static $cache = array();
   8
   9         /**
  10          * @inheritdoc
  11          * @param string $key
  12          * @param bool $exists
  13          * @return mixed
  14          */
  15         function get($key, &$exists = null) {
  16                 if (($exists = array_key_exists($key, static::$cache))) {
  17                         list($ttl, $data) = static::$cache[$key];
  18                         if ($ttl && $ttl < time()) {
  19                                 unset(static::$cache[$key]);
  20                                 $exists = false;
  21                                 return null;
  22                         }
  23                         return $data;
  24                 }
  25         }
  26
  27         /**
  28          * @inheritdoc
  29          * @param string $key
  30          * @param mixed $val
  31          * @param int $ttl
  32          * @return \pq\Gateway\Table\StaticCache
  33          */
  34         function set($key, $val, $ttl = 0) {
  35                 static::$cache[$key] = array(
  36                         $ttl ? $ttl + time() : 0,
  37                         $val
  38                 );
  39                 return $this;
  40         }
  41
  42         /**
  43          * @inheritdoc
  44          * @param string $key
  45          * @return \pq\Gateway\Table\StaticCache
  46          */
  47         function del($key) {
  48                 unset(static::$cache[$key]);
  49                 return $this;
  50         }
  51 }