Base.php in Redis 7.3

File

lib/Redis/Cache/Base.php

<?php

/**
 * @todo
 *   - Improve lua scripts by using SCAN family commands
 *   - Deambiguate why we need the namespace only for flush*() operations
 *   - Implement the isEmpty() method by using SCAN or KEYS
 */
abstract class Redis_Cache_Base extends Redis_AbstractBackend {

  /**
   * Lastest cache flush KEY name
   */
  const LAST_FLUSH_KEY = '_last_flush';

  /**
   * Delete by prefix lua script
   */
  const EVAL_DELETE_PREFIX = <<<EOT
local keys = redis.call("KEYS", ARGV[1])
for i, k in ipairs(keys) do
    redis.call("DEL", k)
end
return 1
EOT;

  /**
   * Delete volatile by prefix lua script
   */
  const EVAL_DELETE_VOLATILE = <<<EOT
local keys = redis.call('KEYS', ARGV[1])
for i, k in ipairs(keys) do
    if "1" == redis.call("HGET", k, "volatile") then
        redis.call("DEL", k)
    end
end
return 1
EOT;

}

Classes

Name	Description
Redis_Cache_Base	@todo