{"id":43,"date":"2024-08-14T15:44:02","date_gmt":"2024-08-14T07:44:02","guid":{"rendered":"https:\/\/www.linhw.cn\/?p=43"},"modified":"2024-08-14T15:44:02","modified_gmt":"2024-08-14T07:44:02","slug":"5%e7%a7%8d%e5%b8%b8%e7%94%a8%e7%9a%84php%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96%e6%96%b9%e6%b3%95%ef%bc%9a","status":"publish","type":"post","link":"https:\/\/www.linhw.cn\/index.php\/2024\/08\/14\/5%e7%a7%8d%e5%b8%b8%e7%94%a8%e7%9a%84php%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96%e6%96%b9%e6%b3%95%ef%bc%9a\/","title":{"rendered":"5\u79cd\u5e38\u7528\u7684PHP\u6027\u80fd\u4f18\u5316\u65b9\u6cd5\uff1a"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u4f7f\u7528\u5408\u9002\u7684\u7f13\u5b58\u673a\u5236\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u539f\u7406:<\/strong> \u5c06\u6570\u636e\u5e93\u67e5\u8be2\u7ed3\u679c\u3001\u9875\u9762\u7247\u6bb5\u3001\u8ba1\u7b97\u7ed3\u679c\u7b49\u5b58\u50a8\u5728\u7f13\u5b58\u4e2d\uff0c\u4e0b\u6b21\u8bf7\u6c42\u65f6\u76f4\u63a5\u4ece\u7f13\u5b58\u8bfb\u53d6\uff0c\u51cf\u5c11\u6570\u636e\u5e93\u67e5\u8be2\u3001\u6587\u4ef6\u8bfb\u53d6\u3001\u8ba1\u7b97\u7b49\u64cd\u4f5c\uff0c\u63d0\u9ad8\u54cd\u5e94\u901f\u5ea6\u3002<\/li>\n\n\n\n<li><strong>\u9002\u7528\u573a\u666f:<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>\u9875\u9762\u7f13\u5b58\uff1a<\/strong> \u5bf9\u4e8e\u8bbf\u95ee\u91cf\u5927\u3001\u5185\u5bb9\u53d8\u5316\u4e0d\u9891\u7e41\u7684\u9875\u9762\uff0c\u53ef\u4ee5\u5c06\u6574\u4e2a\u9875\u9762\u7f13\u5b58\u8d77\u6765\u3002<\/li>\n\n\n\n<li><strong>\u6570\u636e\u7f13\u5b58\uff1a<\/strong> \u5bf9\u4e8e\u6570\u636e\u5e93\u67e5\u8be2\u7ed3\u679c\u3001API\u63a5\u53e3\u8fd4\u56de\u503c\u7b49\uff0c\u53ef\u4ee5\u7f13\u5b58\u5230Redis\u3001Memcached\u7b49\u7f13\u5b58\u7cfb\u7edf\u4e2d\u3002<\/li>\n\n\n\n<li><strong>\u5bf9\u8c61\u7f13\u5b58\uff1a<\/strong> \u5bf9\u4e8e\u590d\u6742\u5bf9\u8c61\u7684\u521b\u5efa\uff0c\u53ef\u4ee5\u7f13\u5b58\u5bf9\u8c61\u5b9e\u4f8b\uff0c\u51cf\u5c11\u5bf9\u8c61\u521b\u5efa\u7684\u5f00\u9500\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u793a\u4f8b\uff1a<\/strong> \u4f7f\u7528 Redis \u7f13\u5b58\u6570\u636e\u5e93\u67e5\u8be2\u7ed3\u679c\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">      <code>$redis = new Redis();\n$redis-&gt;connect('127.0.0.1', 6379);\n$cacheKey = 'product_' . $productId;\n$product = $redis-&gt;get($cacheKey);\n\nif (!$product) {\n    \/\/ \u4ece\u6570\u636e\u5e93\u67e5\u8be2\n    $product = ...;\n    \/\/ \u5c06\u7ed3\u679c\u7f13\u5b58\u5230 Redis\n    $redis-&gt;set($cacheKey, serialize($product), 3600); \/\/ \u7f13\u5b581\u5c0f\u65f6\n} else {\n    $product = unserialize($product);\n}<\/code>\n    <\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u4f18\u5316\u6570\u636e\u5e93\u64cd\u4f5c\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u539f\u7406:<\/strong> \u51cf\u5c11\u6570\u636e\u5e93\u67e5\u8be2\u6b21\u6570\u3001\u4f18\u5316SQL\u8bed\u53e5\u3001\u4f7f\u7528\u5408\u9002\u7684\u7d22\u5f15\u7b49\uff0c\u63d0\u9ad8\u6570\u636e\u5e93\u8bbf\u95ee\u6548\u7387\u3002<\/li>\n\n\n\n<li><strong>\u9002\u7528\u573a\u666f:<\/strong> \u4efb\u4f55\u6d89\u53ca\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u573a\u666f\u3002<\/li>\n\n\n\n<li><strong>\u793a\u4f8b:<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>\u4f7f\u7528JOIN\u8bed\u53e5\u66ff\u4ee3\u591a\u6b21\u67e5\u8be2:<\/strong> \u5c06\u591a\u4e2a\u8868\u5173\u8054\u67e5\u8be2\u5408\u5e76\u6210\u4e00\u4e2a\u67e5\u8be2\uff0c\u51cf\u5c11\u6570\u636e\u5e93\u8fde\u63a5\u548c\u67e5\u8be2\u6b21\u6570\u3002<\/li>\n\n\n\n<li><strong>\u4f18\u5316SQL\u8bed\u53e5:<\/strong> \u907f\u514d\u4f7f\u7528 SELECT *\u3001\u4f7f\u7528 LIMIT \u9650\u5236\u67e5\u8be2\u7ed3\u679c\u6570\u91cf\u7b49\u3002<\/li>\n\n\n\n<li><strong>\u6dfb\u52a0\u7d22\u5f15:<\/strong> \u4e3a\u7ecf\u5e38\u7528\u4e8e\u67e5\u8be2\u7684\u5b57\u6bb5\u6dfb\u52a0\u7d22\u5f15\uff0c\u63d0\u9ad8\u67e5\u8be2\u901f\u5ea6\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u4f7f\u7528\u9ad8\u6548\u7684\u7b97\u6cd5\u548c\u6570\u636e\u7ed3\u6784\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u539f\u7406:<\/strong> \u9009\u62e9\u5408\u9002\u7684\u7b97\u6cd5\u548c\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6548\u7387\u548c\u6027\u80fd\u3002<\/li>\n\n\n\n<li><strong>\u9002\u7528\u573a\u666f:<\/strong> \u4efb\u4f55\u6d89\u53ca\u6570\u636e\u5904\u7406\u7684\u573a\u666f\u3002<\/li>\n\n\n\n<li><strong>\u793a\u4f8b:<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>\u4f7f\u7528\u5feb\u901f\u6392\u5e8f\u7b97\u6cd5\uff1a<\/strong> \u5bf9\u5927\u91cf\u6570\u636e\u8fdb\u884c\u6392\u5e8f\u65f6\uff0c\u6bd4\u5192\u6ce1\u6392\u5e8f\u6548\u7387\u66f4\u9ad8\u3002<\/li>\n\n\n\n<li><strong>\u4f7f\u7528\u54c8\u5e0c\u8868\uff1a<\/strong> \u5b9e\u73b0\u5feb\u901f\u7684\u6570\u636e\u67e5\u627e\u548c\u63d2\u5165\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u4ee3\u7801\u4f18\u5316\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u539f\u7406:<\/strong> 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\u5bf9\u4e8e\u53ea\u9700\u8981\u4e00\u4e2a\u5b9e\u4f8b\u7684\u5bf9\u8c61\uff0c\u4f7f\u7528\u5355\u4f8b\u6a21\u5f0f\u53ef\u4ee5\u907f\u514d\u91cd\u590d\u521b\u5efa\u5bf9\u8c61\u7684\u5f00\u9500\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">5. \u4f7f\u7528\u6027\u80fd\u5206\u6790\u5de5\u5177\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u539f\u7406:<\/strong> \u4f7f\u7528\u6027\u80fd\u5206\u6790\u5de5\u5177\uff0c\u53ef\u4ee5\u627e\u5230\u4ee3\u7801\u7684\u6027\u80fd\u74f6\u9888\uff0c\u5e76\u8fdb\u884c targeted optimization.<\/li>\n\n\n\n<li><strong>\u9002\u7528\u573a\u666f:<\/strong> \u5f53\u4ee3\u7801\u6027\u80fd\u51fa\u73b0\u95ee\u9898\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u6027\u80fd\u5206\u6790\u5de5\u5177\u8fdb\u884c\u8bca\u65ad\u3002<\/li>\n\n\n\n<li><strong>\u793a\u4f8b:<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Xdebug Profiler:<\/strong> \u751f\u6210\u4ee3\u7801\u6267\u884c\u7684\u8be6\u7ec6\u62a5\u544a\uff0c\u53ef\u4ee5\u67e5\u770b\u6bcf\u4e2a\u51fd\u6570\u7684\u6267\u884c\u65f6\u95f4\u3001\u8c03\u7528\u6b21\u6570\u7b49\u4fe1\u606f\u3002<\/li>\n\n\n\n<li><strong>New Relic\u3001Blackfire.io:<\/strong> \u63d0\u4f9b\u5b9e\u65f6\u6027\u80fd\u76d1\u63a7\u548c\u5206\u6790\u670d\u52a1\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u5feb\u901f\u5b9a\u4f4d\u6027\u80fd\u95ee\u9898\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><strong>\u603b\u7ed3:<\/strong><\/p>\n\n\n\n<p>PHP \u6027\u80fd\u4f18\u5316\u662f\u4e00\u4e2a\u7efc\u5408\u6027\u7684\u8bfe\u9898\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u60c5\u51b5\u9009\u62e9\u5408\u9002\u7684\u4f18\u5316\u65b9\u6cd5\u3002 \u9664\u4e86\u4ee5\u4e0a\u5217\u4e3e\u7684\u51e0\u79cd\u65b9\u6cd5\u5916\uff0c\u8fd8\u6709\u5f88\u591a\u5176\u4ed6\u7684\u4f18\u5316\u65b9\u6cd5\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f7f\u7528 opcode \u7f13\u5b58:<\/strong> \u4f8b\u5982 APC\u3001OPcache\uff0c\u53ef\u4ee5\u5c06 PHP \u4ee3\u7801\u7f16\u8bd1\u6210 opcode \u7f13\u5b58\u8d77\u6765\uff0c\u51cf\u5c11\u4ee3\u7801\u89e3\u6790\u7684\u5f00\u9500\u3002<\/li>\n\n\n\n<li><strong>\u4f7f\u7528\u5f02\u6b65\u4efb\u52a1\u961f\u5217:<\/strong> \u4f8b\u5982 Gearman\u3001RabbitMQ\uff0c\u53ef\u4ee5\u5c06\u8017\u65f6\u7684\u4efb\u52a1\u653e\u5230\u540e\u53f0\u5f02\u6b65\u6267\u884c\uff0c\u63d0\u9ad8\u7528\u6237\u4f53\u9a8c\u3002<\/li>\n\n\n\n<li><strong>\u4f18\u5316\u670d\u52a1\u5668\u914d\u7f6e:<\/strong> \u4f8b\u5982\uff0c\u8c03\u6574 PHP-FPM \u53c2\u6570\u3001\u5f00\u542f gzip \u538b\u7f29\u7b49\uff0c\u53ef\u4ee5\u63d0\u9ad8\u670d\u52a1\u5668\u6027\u80fd\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5e0c\u671b\u4ee5\u4e0a\u4fe1\u606f\u80fd\u591f\u5e2e\u5230\u60a8\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. \u4f7f\u7528\u5408\u9002\u7684\u7f13\u5b58\u673a\u5236\uff1a $redis = new Redis(); $redis-&gt;connect( &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.linhw.cn\/index.php\/2024\/08\/14\/5%e7%a7%8d%e5%b8%b8%e7%94%a8%e7%9a%84php%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96%e6%96%b9%e6%b3%95%ef%bc%9a\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201c5\u79cd\u5e38\u7528\u7684PHP\u6027\u80fd\u4f18\u5316\u65b9\u6cd5\uff1a\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,9],"tags":[],"class_list":["post-43","post","type-post","status-publish","format-standard","hentry","category-php","category-9"],"_links":{"self":[{"href":"https:\/\/www.linhw.cn\/index.php\/wp-json\/wp\/v2\/posts\/43","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linhw.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.linhw.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.linhw.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linhw.cn\/index.php\/wp-json\/wp\/v2\/comments?post=43"}],"version-history":[{"count":1,"href":"https:\/\/www.linhw.cn\/index.php\/wp-json\/wp\/v2\/posts\/43\/revisions"}],"predecessor-version":[{"id":44,"href":"https:\/\/www.linhw.cn\/index.php\/wp-json\/wp\/v2\/posts\/43\/revisions\/44"}],"wp:attachment":[{"href":"https:\/\/www.linhw.cn\/index.php\/wp-json\/wp\/v2\/media?parent=43"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.linhw.cn\/index.php\/wp-json\/wp\/v2\/categories?post=43"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.linhw.cn\/index.php\/wp-json\/wp\/v2\/tags?post=43"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}