<?php

namespace App\Http\Controllers\Api;

use App\Http\Requests\Api\ReplyRequest;
use App\Models\Reply;
use App\Models\Topic;
use App\Transformers\ReplyTransformer;

class RepliesController extends Controller
{
    public function store(ReplyRequest $request, Topic $topic, Reply $reply)
    {
        //通过IlluminateRequest基类中的__get()魔术方法调用Arr::get方法来获取值。
        $reply->content = $request->content;

        //因为IlluminateRequest基类实现了ArrayAccess（数组式访问）接口,因此可以像访问数组元素一样
        //访问对象的属性。调用的是基类中的offsetGet方法
        $reply->content = $request['content'];

        //因为IlluminateRequest基类中引入了trait InteractsWithInput，
        //因此可以使用trait中的input方法。最后调用了IlluminateHelpers中的data_get方法
        $reply->content = $request->input('content');

        $reply->topic_id = $topic->id;
        $reply->user_id = $this->user()->id;
        $reply->save();

        return $this->response->item($reply, new ReplyTransformer())
            ->setStatusCode(201);
    }
}Copy

    public function getSupportedCommands()
    {
        return array(
            /* ---------------- Redis 1.2 ---------------- */

            /* commands operating on the key space */
            'EXISTS' => 'Predis\Command\KeyExists',
            'DEL' => 'Predis\Command\KeyDelete',
            'TYPE' => 'Predis\Command\KeyType',
            'KEYS' => 'Predis\Command\KeyKeys',
            'RANDOMKEY' => 'Predis\Command\KeyRandom',
            'RENAME' => 'Predis\Command\KeyRename',
            'RENAMENX' => 'Predis\Command\KeyRenamePreserve',
            'EXPIRE' => 'Predis\Command\KeyExpire',
            'EXPIREAT' => 'Predis\Command\KeyExpireAt',
            'TTL' => 'Predis\Command\KeyTimeToLive',
            'MOVE' => 'Predis\Command\KeyMove',
            'SORT' => 'Predis\Command\KeySort',
            'DUMP' => 'Predis\Command\KeyDump',
            'RESTORE' => 'Predis\Command\KeyRestore',

            /* commands operating on string values */
            'SET' => 'Predis\Command\StringSet',
            'SETNX' => 'Predis\Command\StringSetPreserve',
            'MSET' => 'Predis\Command\StringSetMultiple',
            'MSETNX' => 'Predis\Command\StringSetMultiplePreserve',
            'GET' => 'Predis\Command\StringGet',
            'MGET' => 'Predis\Command\StringGetMultiple',
            'GETSET' => 'Predis\Command\StringGetSet',
            'INCR' => 'Predis\Command\StringIncrement',
            'INCRBY' => 'Predis\Command\StringIncrementBy',
            'DECR' => 'Predis\Command\StringDecrement',
            'DECRBY' => 'Predis\Command\StringDecrementBy',

            /* commands operating on lists */
            'RPUSH' => 'Predis\Command\ListPushTail',
            'LPUSH' => 'Predis\Command\ListPushHead',
            'LLEN' => 'Predis\Command\ListLength',
            'LRANGE' => 'Predis\Command\ListRange',
            'LTRIM' => 'Predis\Command\ListTrim',
            'LINDEX' => 'Predis\Command\ListIndex',
            'LSET' => 'Predis\Command\ListSet',
            'LREM' => 'Predis\Command\ListRemove',
            'LPOP' => 'Predis\Command\ListPopFirst',
            'RPOP' => 'Predis\Command\ListPopLast',
            'RPOPLPUSH' => 'Predis\Command\ListPopLastPushHead',

            /* commands operating on sets */
            'SADD' => 'Predis\Command\SetAdd',
            'SREM' => 'Predis\Command\SetRemove',
            'SPOP' => 'Predis\Command\SetPop',
            'SMOVE' => 'Predis\Command\SetMove',
            'SCARD' => 'Predis\Command\SetCardinality',
            'SISMEMBER' => 'Predis\Command\SetIsMember',
            'SINTER' => 'Predis\Command\SetIntersection',
            'SINTERSTORE' => 'Predis\Command\SetIntersectionStore',
            'SUNION' => 'Predis\Command\SetUnion',
            'SUNIONSTORE' => 'Predis\Command\SetUnionStore',
            'SDIFF' => 'Predis\Command\SetDifference',
            'SDIFFSTORE' => 'Predis\Command\SetDifferenceStore',
            'SMEMBERS' => 'Predis\Command\SetMembers',
            'SRANDMEMBER' => 'Predis\Command\SetRandomMember',

            /* commands operating on sorted sets */
            'ZADD' => 'Predis\Command\ZSetAdd',
            'ZINCRBY' => 'Predis\Command\ZSetIncrementBy',
            'ZREM' => 'Predis\Command\ZSetRemove',
            'ZRANGE' => 'Predis\Command\ZSetRange',
            'ZREVRANGE' => 'Predis\Command\ZSetReverseRange',
            'ZRANGEBYSCORE' => 'Predis\Command\ZSetRangeByScore',
            'ZCARD' => 'Predis\Command\ZSetCardinality',
            'ZSCORE' => 'Predis\Command\ZSetScore',
            'ZREMRANGEBYSCORE' => 'Predis\Command\ZSetRemoveRangeByScore',

            /* connection related commands */
            'PING' => 'Predis\Command\ConnectionPing',
            'AUTH' => 'Predis\Command\ConnectionAuth',
            'SELECT' => 'Predis\Command\ConnectionSelect',
            'ECHO' => 'Predis\Command\ConnectionEcho',
            'QUIT' => 'Predis\Command\ConnectionQuit',

            /* remote server control commands */
            'INFO' => 'Predis\Command\ServerInfoV26x',
            'SLAVEOF' => 'Predis\Command\ServerSlaveOf',
            'MONITOR' => 'Predis\Command\ServerMonitor',
            'DBSIZE' => 'Predis\Command\ServerDatabaseSize',
            'FLUSHDB' => 'Predis\Command\ServerFlushDatabase',
            'FLUSHALL' => 'Predis\Command\ServerFlushAll',
            'SAVE' => 'Predis\Command\ServerSave',
            'BGSAVE' => 'Predis\Command\ServerBackgroundSave',
            'LASTSAVE' => 'Predis\Command\ServerLastSave',
            'SHUTDOWN' => 'Predis\Command\ServerShutdown',
            'BGREWRITEAOF' => 'Predis\Command\ServerBackgroundRewriteAOF',

            /* ---------------- Redis 2.0 ---------------- */

            /* commands operating on string values */
            'SETEX' => 'Predis\Command\StringSetExpire',
            'APPEND' => 'Predis\Command\StringAppend',
            'SUBSTR' => 'Predis\Command\StringSubstr',

            /* commands operating on lists */
            'BLPOP' => 'Predis\Command\ListPopFirstBlocking',
            'BRPOP' => 'Predis\Command\ListPopLastBlocking',

            /* commands operating on sorted sets */
            'ZUNIONSTORE' => 'Predis\Command\ZSetUnionStore',
            'ZINTERSTORE' => 'Predis\Command\ZSetIntersectionStore',
            'ZCOUNT' => 'Predis\Command\ZSetCount',
            'ZRANK' => 'Predis\Command\ZSetRank',
            'ZREVRANK' => 'Predis\Command\ZSetReverseRank',
            'ZREMRANGEBYRANK' => 'Predis\Command\ZSetRemoveRangeByRank',

            /* commands operating on hashes */
            'HSET' => 'Predis\Command\HashSet',
            'HSETNX' => 'Predis\Command\HashSetPreserve',
            'HMSET' => 'Predis\Command\HashSetMultiple',
            'HINCRBY' => 'Predis\Command\HashIncrementBy',
            'HGET' => 'Predis\Command\HashGet',
            'HMGET' => 'Predis\Command\HashGetMultiple',
            'HDEL' => 'Predis\Command\HashDelete',
            'HEXISTS' => 'Predis\Command\HashExists',
            'HLEN' => 'Predis\Command\HashLength',
            'HKEYS' => 'Predis\Command\HashKeys',
            'HVALS' => 'Predis\Command\HashValues',
            'HGETALL' => 'Predis\Command\HashGetAll',

            /* transactions */
            'MULTI' => 'Predis\Command\TransactionMulti',
            'EXEC' => 'Predis\Command\TransactionExec',
            'DISCARD' => 'Predis\Command\TransactionDiscard',

            /* publish - subscribe */
            'SUBSCRIBE' => 'Predis\Command\PubSubSubscribe',
            'UNSUBSCRIBE' => 'Predis\Command\PubSubUnsubscribe',
            'PSUBSCRIBE' => 'Predis\Command\PubSubSubscribeByPattern',
            'PUNSUBSCRIBE' => 'Predis\Command\PubSubUnsubscribeByPattern',
            'PUBLISH' => 'Predis\Command\PubSubPublish',

            /* remote server control commands */
            'CONFIG' => 'Predis\Command\ServerConfig',

            /* ---------------- Redis 2.2 ---------------- */

            /* commands operating on the key space */
            'PERSIST' => 'Predis\Command\KeyPersist',

            /* commands operating on string values */
            'STRLEN' => 'Predis\Command\StringStrlen',
            'SETRANGE' => 'Predis\Command\StringSetRange',
            'GETRANGE' => 'Predis\Command\StringGetRange',
            'SETBIT' => 'Predis\Command\StringSetBit',
            'GETBIT' => 'Predis\Command\StringGetBit',

            /* commands operating on lists */
            'RPUSHX' => 'Predis\Command\ListPushTailX',
            'LPUSHX' => 'Predis\Command\ListPushHeadX',
            'LINSERT' => 'Predis\Command\ListInsert',
            'BRPOPLPUSH' => 'Predis\Command\ListPopLastPushHeadBlocking',

            /* commands operating on sorted sets */
            'ZREVRANGEBYSCORE' => 'Predis\Command\ZSetReverseRangeByScore',

            /* transactions */
            'WATCH' => 'Predis\Command\TransactionWatch',
            'UNWATCH' => 'Predis\Command\TransactionUnwatch',

            /* remote server control commands */
            'OBJECT' => 'Predis\Command\ServerObject',
            'SLOWLOG' => 'Predis\Command\ServerSlowlog',

            /* ---------------- Redis 2.4 ---------------- */

            /* remote server control commands */
            'CLIENT' => 'Predis\Command\ServerClient',

            /* ---------------- Redis 2.6 ---------------- */

            /* commands operating on the key space */
            'PTTL' => 'Predis\Command\KeyPreciseTimeToLive',
            'PEXPIRE' => 'Predis\Command\KeyPreciseExpire',
            'PEXPIREAT' => 'Predis\Command\KeyPreciseExpireAt',
            'MIGRATE' => 'Predis\Command\KeyMigrate',

            /* commands operating on string values */
            'PSETEX' => 'Predis\Command\StringPreciseSetExpire',
            'INCRBYFLOAT' => 'Predis\Command\StringIncrementByFloat',
            'BITOP' => 'Predis\Command\StringBitOp',
            'BITCOUNT' => 'Predis\Command\StringBitCount',

            /* commands operating on hashes */
            'HINCRBYFLOAT' => 'Predis\Command\HashIncrementByFloat',

            /* scripting */
            'EVAL' => 'Predis\Command\ServerEval',
            'EVALSHA' => 'Predis\Command\ServerEvalSHA',
            'SCRIPT' => 'Predis\Command\ServerScript',

            /* remote server control commands */
            'TIME' => 'Predis\Command\ServerTime',
            'SENTINEL' => 'Predis\Command\ServerSentinel',

            /* ---------------- Redis 2.8 ---------------- */

            /* commands operating on the key space */
            'SCAN' => 'Predis\Command\KeyScan',

            /* commands operating on string values */
            'BITPOS' => 'Predis\Command\StringBitPos',

            /* commands operating on sets */
            'SSCAN' => 'Predis\Command\SetScan',

            /* commands operating on sorted sets */
            'ZSCAN' => 'Predis\Command\ZSetScan',
            'ZLEXCOUNT' => 'Predis\Command\ZSetLexCount',
            'ZRANGEBYLEX' => 'Predis\Command\ZSetRangeByLex',
            'ZREMRANGEBYLEX' => 'Predis\Command\ZSetRemoveRangeByLex',
            'ZREVRANGEBYLEX' => 'Predis\Command\ZSetReverseRangeByLex',

            /* commands operating on hashes */
            'HSCAN' => 'Predis\Command\HashScan',

            /* publish - subscribe */
            'PUBSUB' => 'Predis\Command\PubSubPubsub',

            /* commands operating on HyperLogLog */
            'PFADD' => 'Predis\Command\HyperLogLogAdd',
            'PFCOUNT' => 'Predis\Command\HyperLogLogCount',
            'PFMERGE' => 'Predis\Command\HyperLogLogMerge',

            /* remote server control commands */
            'COMMAND' => 'Predis\Command\ServerCommand',

            /* ---------------- Redis 3.2 ---------------- */

            /* commands operating on hashes */
            'HSTRLEN' => 'Predis\Command\HashStringLength',
            'BITFIELD' => 'Predis\Command\StringBitField',

            /* commands performing geospatial operations */
            'GEOADD' => 'Predis\Command\GeospatialGeoAdd',
            'GEOHASH' => 'Predis\Command\GeospatialGeoHash',
            'GEOPOS' => 'Predis\Command\GeospatialGeoPos',
            'GEODIST' => 'Predis\Command\GeospatialGeoDist',
            'GEORADIUS' => 'Predis\Command\GeospatialGeoRadius',
            'GEORADIUSBYMEMBER' => 'Predis\Command\GeospatialGeoRadiusByMember',
        );
    }Copy

    const HTTP_CONTINUE = 100;
    const HTTP_SWITCHING_PROTOCOLS = 101;
    const HTTP_PROCESSING = 102;            // RFC2518
    const HTTP_EARLY_HINTS = 103;           // RFC8297
    const HTTP_OK = 200;
    const HTTP_CREATED = 201;
    const HTTP_ACCEPTED = 202;
    const HTTP_NON_AUTHORITATIVE_INFORMATION = 203;
    const HTTP_NO_CONTENT = 204;
    const HTTP_RESET_CONTENT = 205;
    const HTTP_PARTIAL_CONTENT = 206;
    const HTTP_MULTI_STATUS = 207;          // RFC4918
    const HTTP_ALREADY_REPORTED = 208;      // RFC5842
    const HTTP_IM_USED = 226;               // RFC3229
    const HTTP_MULTIPLE_CHOICES = 300;
    const HTTP_MOVED_PERMANENTLY = 301;
    const HTTP_FOUND = 302;
    const HTTP_SEE_OTHER = 303;
    const HTTP_NOT_MODIFIED = 304;
    const HTTP_USE_PROXY = 305;
    const HTTP_RESERVED = 306;
    const HTTP_TEMPORARY_REDIRECT = 307;
    const HTTP_PERMANENTLY_REDIRECT = 308;  // RFC7238
    const HTTP_BAD_REQUEST = 400;
    const HTTP_UNAUTHORIZED = 401;
    const HTTP_PAYMENT_REQUIRED = 402;
    const HTTP_FORBIDDEN = 403;
    const HTTP_NOT_FOUND = 404;
    const HTTP_METHOD_NOT_ALLOWED = 405;
    const HTTP_NOT_ACCEPTABLE = 406;
    const HTTP_PROXY_AUTHENTICATION_REQUIRED = 407;
    const HTTP_REQUEST_TIMEOUT = 408;
    const HTTP_CONFLICT = 409;
    const HTTP_GONE = 410;
    const HTTP_LENGTH_REQUIRED = 411;
    const HTTP_PRECONDITION_FAILED = 412;
    const HTTP_REQUEST_ENTITY_TOO_LARGE = 413;
    const HTTP_REQUEST_URI_TOO_LONG = 414;
    const HTTP_UNSUPPORTED_MEDIA_TYPE = 415;
    const HTTP_REQUESTED_RANGE_NOT_SATISFIABLE = 416;
    const HTTP_EXPECTATION_FAILED = 417;
    const HTTP_I_AM_A_TEAPOT = 418;                                               // RFC2324
    const HTTP_MISDIRECTED_REQUEST = 421;                                         // RFC7540
    const HTTP_UNPROCESSABLE_ENTITY = 422;                                        // RFC4918
    const HTTP_LOCKED = 423;                                                      // RFC4918
    const HTTP_FAILED_DEPENDENCY = 424;                                           // RFC4918

    /**
     * @deprecated
     */
    const HTTP_RESERVED_FOR_WEBDAV_ADVANCED_COLLECTIONS_EXPIRED_PROPOSAL = 425;   // RFC2817
    const HTTP_TOO_EARLY = 425;                                                   // RFC-ietf-httpbis-replay-04
    const HTTP_UPGRADE_REQUIRED = 426;                                            // RFC2817
    const HTTP_PRECONDITION_REQUIRED = 428;                                       // RFC6585
    const HTTP_TOO_MANY_REQUESTS = 429;                                           // RFC6585
    const HTTP_REQUEST_HEADER_FIELDS_TOO_LARGE = 431;                             // RFC6585
    const HTTP_UNAVAILABLE_FOR_LEGAL_REASONS = 451;
    const HTTP_INTERNAL_SERVER_ERROR = 500;
    const HTTP_NOT_IMPLEMENTED = 501;
    const HTTP_BAD_GATEWAY = 502;
    const HTTP_SERVICE_UNAVAILABLE = 503;
    const HTTP_GATEWAY_TIMEOUT = 504;
    const HTTP_VERSION_NOT_SUPPORTED = 505;
    const HTTP_VARIANT_ALSO_NEGOTIATES_EXPERIMENTAL = 506;                        // RFC2295
    const HTTP_INSUFFICIENT_STORAGE = 507;                                        // RFC4918
    const HTTP_LOOP_DETECTED = 508;                                               // RFC5842
    const HTTP_NOT_EXTENDED = 510;                                                // RFC2774
    const HTTP_NETWORK_AUTHENTICATION_REQUIRED = 511;                             // RFC6585Copy