{"id":47771,"date":"2024-12-02T17:17:01","date_gmt":"2024-12-02T09:17:01","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47771\/"},"modified":"2024-12-02T17:17:01","modified_gmt":"2024-12-02T09:17:01","slug":"php-%e5%87%bd%e6%95%b0%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-redis-%e8%b0%83%e7%94%a8%e5%a4%96%e9%83%a8%e5%87%bd%e6%95%b0%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47771\/","title":{"rendered":"PHP \u51fd\u6570\u5982\u4f55\u4f7f\u7528 Redis \u8c03\u7528\u5916\u90e8\u51fd\u6570\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

PHP \u51fd\u6570\u5982\u4f55\u4f7f\u7528 Redis \u8c03\u7528\u5916\u90e8\u51fd\u6570\uff1f<\/h1>\n

\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300aPHP \u51fd\u6570\u5982\u4f55\u4f7f\u7528 Redis \u8c03\u7528\u5916\u90e8\u51fd\u6570\uff1f\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002<\/p>\n

\u901a\u8fc7 Redis \u63d0\u4f9b\u7684 EVAL \u547d\u4ee4\uff0c\u53ef\u4ee5\u4f7f\u7528 PHP \u4ee3\u7801\u6267\u884c\u5916\u90e8\u51fd\u6570\uff0c\u6269\u5c55 Redis \u529f\u80fd\u3002\u6b64\u51fd\u6570\u7684\u8bed\u6cd5\u5305\u62ec PHP \u4ee3\u7801\u3001\u952e\u6570\u91cf\u3001\u952e\u5217\u8868\u548c\u5b57\u7b26\u4e32\u503c\u53c2\u6570\u3002EVALSH \u547d\u4ee4\u53ef\u7528\u4e8e\u6267\u884c\u9884\u5148\u54c8\u5e0c\u7684 PHP \u4ee3\u7801\u3002<\/p>\n

\"PHP<\/p>\n

\u4f7f\u7528 PHP Redis \u8c03\u7528\u5916\u90e8\u51fd\u6570<\/strong><\/p>\n

\u5f15\u8a00<\/strong>
Redis \u63d0\u4f9b\u4e86\u4e00\u4e2a\u65b9\u5f0f\u6765\u8c03\u7528\u5916\u90e8\u51fd\u6570\uff0c\u8fd9\u53ef\u4ee5\u901a\u8fc7 EVAL<\/code> \u6216 EVALSHA<\/code> \u547d\u4ee4\u5b9e\u73b0\u3002\u8fd9\u5141\u8bb8\u5728 Redis \u670d\u52a1\u5668\u4e0a\u6267\u884c PHP \u4ee3\u7801\uff0c\u4ece\u800c\u53ef\u4ee5\u5728 Redis \u5185\u6269\u5c55\u529f\u80fd\u3002<\/p>\n

\u8bed\u6cd5<\/strong><\/p>\n

EVAL<\/code> \u547d\u4ee4\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

EVAL PHP CODE [NUMKEYS KEY ...] [ARGV ...]<\/pre>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  • PHP CODE<\/code>\uff1a\u8981\u6267\u884c\u7684 PHP \u4ee3\u7801\u3002<\/li>\n
  • NUMKEYS<\/code>\uff1aKEY<\/code> \u53c2\u6570\u7684\u6570\u91cf\u3002<\/li>\n
  • KEY<\/code>\uff1a\u8981\u4f5c\u4e3a PHP \u4ee3\u7801\u7684\u53c2\u6570\u4f20\u9012\u7684 Redis \u952e\u7684\u540d\u79f0\u3002<\/li>\n
  • ARGV<\/code>\uff1a\u8981\u4f5c\u4e3a PHP \u4ee3\u7801\u7684\u53c2\u6570\u4f20\u9012\u7684\u5b57\u7b26\u4e32\u503c\u3002<\/li>\n<\/ul>\n
    \u4f7f\u7528\u65b9\u6cd5<\/strong><\/p>\n
    \u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528 PHP \u51fd\u6570 redis()<\/code> \u8c03\u7528 Redis \u7684 EVAL<\/code> \u547d\u4ee4\uff1a<\/p>\n
    <?php\n\n\/\/ \u521b\u5efa\u4e00\u4e2a Redis \u5ba2\u6237\u7aef\n$redis = new Redis();\n$redis->connect('127.0.0.1', 6379);\n\n\/\/ \u5b9a\u4e49\u8981\u6267\u884c\u7684 PHP \u4ee3\u7801\n$phpCode = '\n    \/\/ \u83b7\u53d6\u7b2c\u4e00\u4e2a\u952e\u7684\u503c\n    $value1 = $redis->get(\"$argv[1]\");\n\n    \/\/ \u83b7\u53d6\u7b2c\u4e8c\u4e2a\u952e\u7684\u503c\n    $value2 = $redis->get(\"$argv[2]\");\n\n    \/\/ \u8fd4\u56de\u4e24\u4e2a\u503c\u7684\u603b\u548c\n    return $value1 + $value2;\n';\n\n\/\/ \u5b9a\u4e49\u952e\u548c\u503c\u53c2\u6570\n$keys = ['key1', 'key2'];\n$values = ['value1', 'value2'];\n\n\/\/ \u6267\u884c `EVAL` \u547d\u4ee4\n$result = $redis->eval($phpCode, count($keys), $keys, $values);\n\n\/\/ \u6253\u5370\u7ed3\u679c\necho $result;\n\n?><\/pre>\n
    \u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
    \u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528 Redis \u5916\u90e8\u51fd\u6570\u6765\u8ba1\u7b97\u8d2d\u7269\u8f66\u603b\u4ef7\u683c\u7684\u5b9e\u6218\u6848\u4f8b\uff1a<\/p>\n
    <?php\n\n\/\/ \u521b\u5efa\u4e00\u4e2a Redis \u5ba2\u6237\u7aef\n$redis = new Redis();\n$redis->connect('127.0.0.1', 6379);\n\n\/\/ \u5b9a\u4e49\u8981\u6267\u884c\u7684 PHP \u4ee3\u7801\n$phpCode = '\n    \/\/ \u521d\u59cb\u5316\u603b\u4ef7\n    $total = 0;\n\n    \/\/ \u904d\u5386\u8d2d\u7269\u8f66\u4e2d\u7684\u6bcf\u4ef6\u5546\u54c1\n    foreach ($redis->hGetAll(\"$argv[1]\") as $itemId => $quantity) {\n        \/\/ \u83b7\u53d6\u5546\u54c1\u5355\u4ef7\n        $price = $redis->hGet(\"product:$itemId\", \"price\");\n\n        \/\/ \u8ba1\u7b97\u5546\u54c1\u603b\u4ef7\n        $lineTotal = $price * $quantity;\n\n        \/\/ \u6dfb\u52a0\u5230\u603b\u4ef7\u4e2d\n        $total += $lineTotal;\n    }\n\n    \/\/ \u8fd4\u56de\u603b\u4ef7\n    return $total;\n';\n\n\/\/ \u5b9a\u4e49\u952e\u548c\u503c\u53c2\u6570\n$keys = ['my_cart'];\n$values = [];\n\n\/\/ \u6267\u884c `EVAL` \u547d\u4ee4\n$result = $redis->eval($phpCode, count($keys), $keys, $values);\n\n\/\/ \u6253\u5370\u7ed3\u679c\necho $result;\n\n?><\/pre>\n
    \u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 Redis hash \u503c\u6765\u5b58\u50a8\u8d2d\u7269\u8f66\u4e2d\u7684\u5546\u54c1\u3002EVAL<\/code> \u547d\u4ee4\u904d\u5386\u8d2d\u7269\u8f66\uff0c\u83b7\u53d6\u6bcf\u4ef6\u5546\u54c1\u7684\u5355\u4ef7\u5e76\u6570\u91cf\uff0c\u7136\u540e\u8ba1\u7b97\u603b\u4ef7\u683c\u3002<\/p>\n
    \u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300aPHP \u51fd\u6570\u5982\u4f55\u4f7f\u7528 Redis \u8c03\u7528\u5916\u90e8\u51fd\u6570\uff1f\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6587\u7ae0\u77e5\u8bc6\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    PHP \u51fd\u6570\u5982\u4f55\u4f7f\u7528 Redis \u8c03\u7528\u5916\u90e8\u51fd\u6570\uff1f \u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300aPHP \u51fd\u6570\u5982\u4f55\u4f7f\u7528 Redis \u8c03\u7528\u5916\u90e8\u51fd\u6570\uff1f\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002 \u901a\u8fc7 Redis \u63d0\u4f9b\u7684 EVAL \u547d\u4ee4\uff0c\u53ef\u4ee5\u4f7f\u7528 PHP \u4ee3\u7801\u6267\u884c\u5916\u90e8\u51fd\u6570\uff0c\u6269\u5c55 Redis \u529f\u80fd\u3002\u6b64\u51fd\u6570\u7684\u8bed\u6cd5\u5305\u62ec PHP \u4ee3\u7801\u3001\u952e\u6570\u91cf\u3001\u952e\u5217\u8868\u548c\u5b57\u7b26\u4e32\u503c\u53c2\u6570\u3002EVALSH \u547d\u4ee4\u53ef\u7528\u4e8e\u6267\u884c\u9884\u5148\u54c8\u5e0c\u7684 PHP \u4ee3\u7801\u3002 \u4f7f\u7528 PHP Redis \u8c03\u7528\u5916\u90e8\u51fd\u6570 \u5f15\u8a00Redis \u63d0\u4f9b\u4e86\u4e00\u4e2a\u65b9\u5f0f\u6765\u8c03\u7528\u5916\u90e8\u51fd\u6570\uff0c\u8fd9\u53ef\u4ee5\u901a\u8fc7 EVAL \u6216 EVALSHA \u547d\u4ee4\u5b9e\u73b0\u3002\u8fd9\u5141\u8bb8\u5728 Redis \u670d\u52a1\u5668\u4e0a\u6267\u884c PHP \u4ee3\u7801\uff0c\u4ece\u800c\u53ef\u4ee5\u5728 Redis \u5185\u6269\u5c55\u529f\u80fd\u3002 \u8bed\u6cd5 EVAL \u547d\u4ee4\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a EVAL PHP CODE [NUMKEYS KEY …] [ARGV …] \u5176\u4e2d\uff1a PHP CODE\uff1a\u8981\u6267\u884c\u7684 PHP \u4ee3\u7801\u3002 NUMKEYS\uff1aKEY […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-47771","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47771","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=47771"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47771\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47771"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47771"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47771"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}