phpredis_cleint

// --------------------------------------
// 設定一個程式暫存的 key
// 參考文件:https://github.com/phpredis/phpredis#connect-open
// 成功傳回 1 失敗傳回 0
// --------------------------------------
function setakey($key, $value, $db=3, $expire=3600) {

	global $redisdb;

	$redis = new Redis();
	// 2 秒 timeout
	if($redis->pconnect($redisdb['host'], 6379, 1)) {
		// success
		if($redis->auth($redisdb['auth'])) {
			// echo 'Authentication Success';
		}else{
			return(0);
			die('Authentication failed');
		}
	}else{
		// error
		return(0);
		die('Connection Failed');
	}
	// 選擇 DB
	$redis->select($db);
	// echo "Server is running: ".$redis->ping();

	// 設定 timeout 值, 目前的時間往後加上去
	$server_time 	= time(true);
	// $expire			= 14400;
	$expire_time	= $server_time + $expire;

	$r[1] = $redis->set($key, $value);
	$r[2] = $redis->expireAt($key, $expire_time);

	// var_dump($r);

	return($r);
}


// --------------------------------------
// 刪除一個 程式暫存的 key
// 參考文件:https://github.com/phpredis/phpredis#connect-open
// 成功傳回 1 失敗傳回 0
// --------------------------------------
function delakey($key,$db=3) {

	global $redisdb;

	$redis = new Redis();
	// 2 秒 timeout
	if($redis->pconnect($redisdb['host'], 6379, 1)) {
		// success
		if($redis->auth($redisdb['auth'])) {
			// echo 'Authentication Success';
		}else{
			return(0);
			die('Authentication failed');
		}
	}else{
		// error
		return(0);
		die('Connection Failed');
	}
	// 選擇 DB
	$redis->select($db);
	// echo "Server is running: ".$redis->ping();

	$r = $redis->delete($key);
  // Long Number of keys deleted.

	return($r);
}



// --------------------------------------
// 刪除一個 程式暫存的 key
// 參考文件:https://github.com/phpredis/phpredis#connect-open
// 成功傳回 1 失敗傳回 0
// --------------------------------------
function getakey($key,$db=3) {

	global $redisdb;

	$redis = new Redis();
	// 2 秒 timeout
	if($redis->pconnect($redisdb['host'], 6379, 1)) {
		// success
		if($redis->auth($redisdb['auth'])) {
			// echo 'Authentication Success';
		}else{
			return(0);
			die('Authentication failed');
		}
	}else{
		// error
		return(0);
		die('Connection Failed');
	}
	// 選擇 DB
	$redis->select($db);
	// echo "Server is running: ".$redis->ping();

	// 取得 key 的 value
  $r = $redis->get($key);
  // String or Bool: If key didn't exist, FALSE is returned. Otherwise, the value related to this key is returned.

	return($r);
}