例1，入队操作：
$redis = new Redis();
$redis->connect('127.0.0.1',6379);
while(True){
try{
$value = 'value_'.date('Y-m-d H:i:s');
$redis->LPUSH('key1',$value);
sleep(rand()%3);
echo $value."\n";
}catch(Exception $e){
echo $e->getMessage()."\n";
}
}
?>
例2，出队操作：
$redis = new Redis();
$redis->pconnect('127.0.0.1',6379);
while(True){
try{
echo $redis->LPOP('key1')."\n";
}catch(Exception $e){
echo $e->getMessage()."\n";
}
sleep(rand()%3);
}
?>
