{"id":30602,"date":"2023-11-04T06:25:59","date_gmt":"2023-11-11T15:07:18","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/php%e7%9a%84%e5%b0%8f%e8%b6%a3%e5%91%b3\/"},"modified":"2025-08-12T19:57:16","modified_gmt":"2025-08-12T11:57:16","slug":"php%e7%9a%84%e5%b0%8f%e8%b6%a3%e5%91%b3","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/php%e7%9a%84%e5%b0%8f%e8%b6%a3%e5%91%b3\/","title":{"rendered":"PHP\u7684\u5c0f\u8da3\u5473"},"content":{"rendered":"

\u8fd9\u662f\u4e00\u4e2a\u4f7f\u7528PHP\u5e76\u6536\u96c6\u6709\u7528\u4ee3\u7801\u7684\u5907\u5fd8\u5f55\u3002<\/p>\n

\u68c0\u67e5PHP\u5185\u5b58\u4f7f\u7528\u60c5\u51b5<\/h2>\n
echo<\/span> \"first:\"<\/span>.<\/span>memory_get_usage<\/span>()<\/span> \/<\/span> (<\/span>1024<\/span> *<\/span> 1024<\/span>)<\/span>.<\/span>\"MB<\/span>\\n<\/span>\"<\/span>;<\/span>\r\n\r\n$arr<\/span> =<\/span> [];<\/span>\r\nfor<\/span>(<\/span>$i<\/span>=<\/span>0<\/span>;<\/span>$i<\/span><<\/span>10000<\/span>;<\/span>$i<\/span>++<\/span>)<\/span> {<\/span>\r\n    $arr<\/span>[]<\/span> =<\/span> $i<\/span>;<\/span>\r\n}<\/span>\r\n\r\necho<\/span> \"now:\"<\/span>.<\/span>memory_get_usage<\/span>()<\/span> \/<\/span> (<\/span>1024<\/span> *<\/span> 1024<\/span>)<\/span>.<\/span>\"MB<\/span>\\n<\/span>\"<\/span>;<\/span>\r\n<\/code><\/pre>\n
PHP\u68c0\u67e5\u542f\u52a8\u65f6\u95f4<\/h2>\n
$time_start<\/span> =<\/span> microtime<\/span>(<\/span>true<\/span>);<\/span>\r\n\r\n\/\/ ...\u8a08\u6e2c\u3057\u305f\u3044\u51e6\u7406<\/span>\r\n\r\n$time<\/span> =<\/span> microtime<\/span>(<\/span>true<\/span>)<\/span> -<\/span> $time_start<\/span>;<\/span>\r\necho<\/span> \"<\/span>{<\/span>$time<\/span>}<\/span> \u79d2\"<\/span>;<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u8fd9\u662f\u4e00\u4e2a\u4f7f\u7528PHP\u5e76\u6536\u96c6\u6709\u7528\u4ee3\u7801\u7684\u5907\u5fd8\u5f55\u3002 \u68c0\u67e5PHP\u5185\u5b58\u4f7f\u7528\u60c5\u51b5 echo “first:”.memory_ […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30602","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\nPHP\u7684\u5c0f\u8da3\u5473 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8ePHP\u7684\u5c0f\u8da3\u5473\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/php\u7684\u5c0f\u8da3\u5473\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PHP\u7684\u5c0f\u8da3\u5473\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8ePHP\u7684\u5c0f\u8da3\u5473\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/php\u7684\u5c0f\u8da3\u5473\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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