perRequestCache

gistfile1.php

<?php

Class perRequestCache {
  private static $cache = array();

  public static function get($key) {
    return self::$cache[$key];
  }

  public static function set($key, $value) {
    self::$cache[$key] = $value;
  }

  public static function exist($key) {
    return array_key_exists($key, self::$cache);
  }
}