PHP\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u5897\u3048\u308b\u3068\u3001\u540c\u3058\u30af\u30a8\u30ea\u3092\u7e70\u308a\u8fd4\u3057\u5b9f\u884c\u3057\u3066\u30ec\u30b9\u30dd\u30f3\u30b9\u304c\u9045\u304f\u306a\u308b\u3001\u3068\u3044\u3046\u8ab2\u984c\u306b\u76f4\u9762\u3057\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001PHP\u5411\u3051\u306eRedis\u30af\u30e9\u30a4\u30a2\u30f3\u30c8 Predis<\/strong> \u3092\u4f7f\u3063\u3066\u3001Redis\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u5c64\u3068\u3057\u3066\u7d44\u307f\u8fbc\u3080\u57fa\u672c\u3092\u3001\u30b3\u30fc\u30c9\u4f8b\u3068\u3068\u3082\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n \u5bfe\u8c61\u306f\u300cRedis\u306e\u540d\u524d\u306f\u77e5\u3063\u3066\u3044\u308b\u304c\u3001\u81ea\u5206\u306ePHP\u30a2\u30d7\u30ea\u3078\u306e\u5165\u308c\u65b9\u306f\u307e\u3060\u8a66\u3057\u305f\u3053\u3068\u304c\u306a\u3044\u300d\u3068\u3044\u3046\u65b9\u3067\u3059\u3002\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5c0e\u5165\u65b9\u6cd5\u306b\u52a0\u3048\u3001TTL\u30fb\u30ad\u30fc\u8a2d\u8a08\u30fb\u30ad\u30e3\u30c3\u30b7\u30e5\u7121\u52b9\u5316\u3068\u3044\u3063\u305f\u3001\u5f8c\u304b\u3089\u56f0\u308a\u3084\u3059\u3044\u8a2d\u8a08\u5224\u65ad\u307e\u3067\u8e0f\u307f\u8fbc\u307f\u307e\u3059\u3002<\/p>\n PHP\u304b\u3089Redis\u3092\u4f7f\u3046\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u306f2\u7cfb\u7d71\u3042\u308a\u307e\u3059\u3002<\/p>\n \u62e1\u5f35\u306e\u30d3\u30eb\u30c9\u304c\u4e0d\u8981\u3067\u74b0\u5883\u3092\u9078\u3070\u306a\u3044\u305f\u3081\u3001\u5b66\u7fd2\u3084\u5c0f\u301c\u4e2d\u898f\u6a21\u3067\u306f\u307e\u305a Predis \u304c\u6271\u3044\u3084\u3059\u3044\u9078\u629e\u3067\u3059\u3002\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8ffd\u3044\u8fbc\u3080\u6bb5\u968e\u306b\u306a\u3063\u305f\u3089 phpredis \u3092\u691c\u8a0e\u3059\u308b\u3001\u3068\u3044\u3046\u9806\u5e8f\u3067\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n \u30ad\u30e3\u30c3\u30b7\u30e5\u5c0e\u5165\u524d\u306e\u5178\u578b\u7684\u306a\u30b3\u30fc\u30c9\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n \u300c\u4eba\u6c17\u5546\u54c1\u4e00\u89a7\u300d\u306e\u3088\u3046\u306b \u66f4\u65b0\u983b\u5ea6\u306f\u4f4e\u3044\u306e\u306b\u53c2\u7167\u306f\u591a\u3044<\/strong> \u30c7\u30fc\u30bf\u3092\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u305f\u3073\u306bDB\u304b\u3089\u53d6\u5f97\u3057\u3066\u3044\u307e\u3059\u3002\u30a2\u30af\u30bb\u30b9\u304c\u5897\u3048\u308b\u307b\u3069DB\u8ca0\u8377\u304c\u4e0a\u304c\u308a\u3001\u30ec\u30b9\u30dd\u30f3\u30b9\u3082\u60aa\u5316\u3057\u307e\u3059\u3002<\/p>\n \u3053\u306e\u3088\u3046\u306a\u30c7\u30fc\u30bf\u3053\u305d\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u52b9\u679c\u304c\u6700\u3082\u51fa\u307e\u3059\u3002<\/p>\n Predis \u3092\u5c0e\u5165\u3057\u307e\u3059\u3002<\/p>\n Redis\u306f\u30ed\u30fc\u30ab\u30eb\u3067\u306f Docker \u3067\u8d77\u52d5\u3059\u308b\u306e\u304c\u624b\u8efd\u3067\u3059\u3002<\/p>\n \u63a5\u7d9a\u306f\u30db\u30b9\u30c8\u3068\u30dd\u30fc\u30c8\u3092\u6e21\u3059\u3060\u3051\u3067\u3059\u3002<\/p>\n \u6700\u3082\u57fa\u672c\u7684\u3067\u3001\u307e\u305a\u899a\u3048\u308b\u3079\u304d\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002\u300c\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u898b\u3066\u3001\u7121\u3051\u308c\u3070DB\u304b\u3089\u53d6\u308a\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u66f8\u304d\u623b\u3059\u300d\u6d41\u308c\u3067\u3059\u3002<\/p>\n \u30dd\u30a4\u30f3\u30c8\u306f \u30ad\u30fc\u306f\u904b\u7528\u3067\u3042\u3068\u304b\u3089\u52b9\u3044\u3066\u304f\u308b\u90e8\u5206\u3067\u3059\u3002\u540d\u524d\u7a7a\u9593\u3092\u30b3\u30ed\u30f3\u3067\u533a\u5207\u308b<\/strong> \u968e\u5c64\u547d\u540d\u304c\u6163\u4f8b\u3067\u3059\u3002<\/p>\n \u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u591a\u3044\u5834\u5408\u306f\u30cf\u30c3\u30b7\u30e5\u5316\u3057\u3066\u5b89\u5b9a\u3057\u305f\u30ad\u30fc\u306b\u3057\u307e\u3059\u3002<\/p>\n \u30ad\u30e3\u30c3\u30b7\u30e5\u8a2d\u8a08\u3067\u6700\u3082\u96e3\u3057\u3044\u306e\u304c\u300c\u3044\u3064\u6d88\u3059\u304b\u300d\u3067\u3059\u3002\u30c7\u30fc\u30bf\u3092\u66f4\u65b0\u3057\u305f\u3089\u3001\u95a2\u9023\u3059\u308b\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u524a\u9664\u3057\u307e\u3059\u3002<\/p>\n \u8907\u6570\u30ad\u30fc\u3092\u307e\u3068\u3081\u3066\u6d88\u3059\u5834\u5408\u3001 Redis\u306f\u30ad\u30e3\u30c3\u30b7\u30e5\u4ee5\u5916\u306b\u3082\u3001\u30a2\u30c8\u30df\u30c3\u30af\u306a\u30ab\u30a6\u30f3\u30bf\u3068\u3057\u3066\u4fbf\u5229\u3067\u3059\u3002\u95b2\u89a7\u6570\u306e\u3088\u3046\u306a\u66f4\u65b0\u983b\u5ea6\u306e\u9ad8\u3044\u5024\u3092\u3001\u6bce\u56deDB\u306b\u66f8\u304b\u305aRedis\u3067\u52a0\u7b97\u3057\u3001\u5b9a\u671f\u7684\u306b\u307e\u3068\u3081\u3066\u53cd\u6620\u3059\u308b\u4f7f\u3044\u65b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n \u30d2\u30c3\u30c8\u7387\u306f \u5c0f\u3055\u304f PHP\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u5897\u3048\u308b\u3068\u3001\u540c\u3058\u30af\u30a8\u30ea\u3092\u7e70\u308a\u8fd4\u3057\u5b9f\u884c\u3057\u3066\u30ec\u30b9\u30dd\u30f3\u30b9\u304c\u9045\u304f\u306a\u308b\u3001\u3068\u3044\u3046\u8ab2\u984c\u306b\u76f4\u9762\u3057\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001PHP\u5411\u3051\u306eRedis\u30af\u30e9\u30a4\u30a2\u30f3\u30c8 Predis \u3092\u4f7f\u3063\u3066\u3001Redis\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u5c64\u3068\u3057\u3066\u7d44\u307f\u2026<\/p>\n","protected":false},"author":1,"featured_media":3623,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"sns_share_botton_hide":"","vkExUnit_sns_title":"","_vk_print_noindex":"","sitemap_hide":"","_veu_custom_css":"","veu_display_promotion_alert":"","vkexunit_cta_each_option":"","_lightning_design_setting":[],"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[34],"tags":[891,498,98,1123,424,1162,900,472],"class_list":["post-3624","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php-memorandum","tag-composer","tag-docker","tag-php","tag-redis","tag-424","tag-1162","tag-900","tag-472"],"veu_head_title_object":{"title":"","add_site_title":""},"jetpack_publicize_connections":[],"jetpack-related-posts":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/qol-kk.com\/wp2\/wp-content\/uploads\/2026\/10\/20260914-00mu0ks6-thumbnail.jpg","_links":{"self":[{"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/posts\/3624","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/comments?post=3624"}],"version-history":[{"count":1,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/posts\/3624\/revisions"}],"predecessor-version":[{"id":3625,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/posts\/3624\/revisions\/3625"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/media\/3623"}],"wp:attachment":[{"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/media?parent=3624"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/categories?post=3624"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/tags?post=3624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\u74b0\u5883<\/h2>\n
\n
\n\n
\n \n\u65b9\u5f0f<\/th>\n \u7279\u5fb4<\/th>\n<\/tr>\n<\/thead>\n \n phpredis\uff08C\u62e1\u5f35\uff09<\/td>\n \u9ad8\u901f\u3002PHP\u62e1\u5f35\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u5fc5\u8981<\/td>\n<\/tr>\n \n Predis\uff08\u7d14PHP\uff09<\/td>\n \u62e1\u5f35\u4e0d\u8981\u3002Composer\u306e\u307f\u3067\u5c0e\u5165\u3002\u624b\u8efd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u767a\u751f\u3057\u305f\u554f\u984c<\/h2>\n
\/\/ \u6bce\u56deDB\u3092\u53e9\u304f\nfunction getPopularProducts(PDO $pdo): array\n{\n $stmt = $pdo->query(\n 'SELECT id, name, price FROM products\n WHERE is_published = 1\n ORDER BY view_count DESC\n LIMIT 20'\n );\n return $stmt->fetchAll(PDO::FETCH_ASSOC);\n}<\/pre>\n\u539f\u56e0<\/h2>\n
\n
\u5bfe\u5fdc\u65b9\u6cd5<\/h2>\n
composer require predis\/predis<\/pre>\n
# docker-compose.yml\nservices:\n redis:\n image: redis:7-alpine\n ports:\n - \"6379:6379\"<\/pre>\n
use Predis\\Client;\n\n$redis = new Client([\n 'scheme' => 'tcp',\n 'host' => '127.0.0.1',\n 'port' => 6379,\n]);\n\necho $redis->ping(); \/\/ PONG<\/pre>\n
\u5b9f\u88c5\u4f8b<\/h2>\n
1. \u30ad\u30e3\u30c3\u30b7\u30e5\u30fb\u30a2\u30b5\u30a4\u30c9\uff08Cache-Aside\uff09\u30d1\u30bf\u30fc\u30f3<\/h3>\n
use Predis\\Client;\n\nclass ProductRepository\n{\n public function __construct(\n private Client $redis,\n private PDO $pdo,\n ) {}\n\n public function getPopularProducts(): array\n {\n $key = 'products:popular';\n\n \/\/ 1. \u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u898b\u308b\n $cached = $this->redis->get($key);\n if ($cached !== null) {\n return json_decode($cached, true);\n }\n\n \/\/ 2. \u7121\u3051\u308c\u3070DB\u304b\u3089\u53d6\u5f97\n $stmt = $this->pdo->query(\n 'SELECT id, name, price FROM products\n WHERE is_published = 1\n ORDER BY view_count DESC\n LIMIT 20'\n );\n $products = $stmt->fetchAll(PDO::FETCH_ASSOC);\n\n \/\/ 3. TTL\u4ed8\u304d\u3067\u66f8\u304d\u623b\u3059\uff08300\u79d2\uff09\n $this->redis->setex($key, 300, json_encode($products));\n\n return $products;\n }\n}<\/pre>\nsetex<\/code> \u3067 TTL\uff08\u6709\u52b9\u671f\u9650\uff09\u3092\u5fc5\u305a\u4ed8\u3051\u308b<\/strong> \u3053\u3068\u3067\u3059\u3002TTL\u306e\u7121\u3044\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u30e1\u30e2\u30ea\u3092\u5727\u8feb\u3057\u7d9a\u3051\u3001\u53e4\u3044\u30c7\u30fc\u30bf\u304c\u6b8b\u308a\u7d9a\u3051\u308b\u539f\u56e0\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n2. \u30ad\u30fc\u8a2d\u8a08<\/h3>\n
\/\/ \u826f\u3044\u4f8b\n$key = \"user:{$userId}:profile\";\n$key = \"products:category:{$categoryId}:page:{$page}\";\n\n\/\/ \u907f\u3051\u305f\u3044\u4f8b\n$key = \"data123\";<\/pre>\nfunction cacheKey(string $prefix, array $params): string\n{\n ksort($params); \/\/ \u9806\u5e8f\u3092\u56fa\u5b9a\u3057\u3001\u540c\u3058\u6761\u4ef6\u3067\u540c\u3058\u30ad\u30fc\u306b\u306a\u308b\u3088\u3046\u306b\u3059\u308b\n return $prefix . ':' . md5(json_encode($params));\n}<\/pre>\n3. \u30ad\u30e3\u30c3\u30b7\u30e5\u7121\u52b9\u5316\uff08Invalidation\uff09<\/h3>\n
public function updateProduct(int $id, array $data): void\n{\n $stmt = $this->pdo->prepare(\n 'UPDATE products SET name = :name, price = :price WHERE id = :id'\n );\n $stmt->execute([\n 'name' => $data['name'],\n 'price' => $data['price'],\n 'id' => $id,\n ]);\n\n \/\/ \u95a2\u9023\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u524a\u9664\n $this->redis->del(\"product:{$id}\");\n $this->redis->del('products:popular');\n}<\/pre>\nKEYS<\/code> \u306f\u672c\u756a\u3067\u4f7f\u3046\u3068\u5168\u30ad\u30fc\u8d70\u67fb\u3067Redis\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u305f\u3081\u907f\u3051\u307e\u3059\u3002\u4ee3\u308f\u308a\u306b SCAN<\/code> \u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n$cursor = 0;\ndo {\n [$cursor, $keys] = $this->redis->scan(\n $cursor,\n ['MATCH' => 'products:*', 'COUNT' => 100]\n );\n if ($keys) {\n $this->redis->del($keys);\n }\n} while ($cursor != 0);<\/pre>\n4. \u30a2\u30c8\u30df\u30c3\u30af\u306a\u30ab\u30a6\u30f3\u30bf<\/h3>\n
$views = $this->redis->incr(\"product:{$id}:views\");<\/pre>\n\u78ba\u8a8d\u65b9\u6cd5<\/h2>\n
redis-cli<\/code> \u3067\u5b9f\u969b\u306b\u30ad\u30fc\u304c\u5165\u3063\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n$ redis-cli\n127.0.0.1:6379> ttl products:popular\n(integer) 287 # \u6b63\u306e\u5024\u306a\u3089TTL\u304c\u52b9\u3044\u3066\u3044\u308b\n127.0.0.1:6379> ttl nonexistent\n(integer) -2 # -2 \u306f\u30ad\u30fc\u304c\u7121\u3044 \/ -1 \u306fTTL\u672a\u8a2d\u5b9a<\/pre>\n
INFO stats<\/code> \u306e keyspace_hits<\/code> \u3068 keyspace_misses<\/code> \u304b\u3089\u7b97\u51fa\u3067\u304d\u307e\u3059\u3002<\/p>\n\u6ce8\u610f\u70b9<\/h2>\n
\n
KEYS *<\/code> \u3092\u4f7f\u308f\u306a\u3044<\/strong>\u3002\u5168\u8d70\u67fb\u3067Redis\u304c\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3002\u5217\u6319\u306f SCAN<\/code> \u3092\u4f7f\u3046<\/li>\n$this->redis->setex($key, 300 + random_int(0, 60), json_encode($products));<\/pre>\n
\u307e\u3068\u3081<\/h2>\n
\n
\u7a2e\u5225:\u8b58\u5225\u5b50<\/code> \u306e\u968e\u5c64\u547d\u540d\u3067\u3001\u904b\u7528\u304c\u697d\u306b\u306a\u308b<\/li>\nSCAN<\/code> \u3067\u6574\u7406\u3059\u308b<\/li>\nsetex<\/code> \u3068 get<\/code> \u304b\u3089\u59cb\u3081\u3066\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u30ad\u30fc\u8a2d\u8a08\u30fb\u7121\u52b9\u5316\u30fb\u30ab\u30a6\u30f3\u30bf\u3078\u3068\u5e83\u3052\u3066\u3044\u304f\u306e\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"