{"id":30247,"date":"2023-09-24T07:54:29","date_gmt":"2023-05-31T10:53:03","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91%e6%8a%80%e5%b7%a7\/"},"modified":"2025-08-12T18:17:01","modified_gmt":"2025-08-12T10:17:01","slug":"%e3%80%90php%e3%80%91%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91%e6%8a%80%e5%b7%a7\/","title":{"rendered":"\u3010php\u3011\u6280\u5de7"},"content":{"rendered":"

\u63a5\u6536\u8f93\u5165\u6570\u636e<\/h3>\n
$e<\/span> =<\/span> trim<\/span>(<\/span>fgets<\/span>(<\/span>STDIN<\/span>));<\/span>\r\n<\/code><\/pre>\n
trim = \u53bb\u9664\u5b57\u7b26\u5f00\u5934\u6216\u7ed3\u5c3e\u7684\u7a7a\u683c\u548c\u6362\u884c\u7b26
\nfgets() = \u4ece\u6307\u5b9a\u4f4d\u7f6e\u63a5\u6536\u4e00\u884c\u6570\u636e
\nSTDIN = \u6807\u51c6\u8f93\u5165<\/p>\n
\u5224\u65ad\u4e00\u4e2a\u6570\u662f\u5426\u4e3a\u5e73\u65b9\u6570<\/h3>\n
\u5224\u65ad\u7ed9\u5b9a\u6574\u6570\u7684\u5e73\u65b9\u6839\u5c0f\u6570\u90e8\u5206\u7684\u820d\u5165\u7ed3\u679c\uff0c\u518d\u5c06\u5176\u5e73\u65b9\uff0c\u5224\u65ad\u662f\u5426\u4e0e\u539f\u6570\u76f8\u7b49\u3002<\/p>\n
function<\/span> is_square<\/span>(<\/span>$n<\/span>)<\/span>\r\n{<\/span>\r\n    $sqrt<\/span> =<\/span> floor<\/span>(<\/span>sqrt<\/span>(<\/span>$n<\/span>));<\/span>\r\n    return<\/span> (<\/span>$sqrt<\/span>*<\/span>$sqrt<\/span> ==<\/span> $n<\/span>);<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u7edd\u5bf9\u503c (ju\u00e9 du\u00ec zh\u00ed)<\/h3>\n
abs<\/span>(<\/span>-<\/span>1<\/span>);<\/span>\r\n<\/code><\/pre>\n
1<\/span>\r\n<\/code><\/pre>\n
\u968f\u673a\u51fd\u6570<\/h3>\n
$e<\/span> =<\/span> rand<\/span>(<\/span>x<\/span>,<\/span>y<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u5728x\u5230y\u7684\u8303\u56f4\u5185\u751f\u6210\u4e00\u4e2a\u968f\u673a\u503c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a5\u6536\u8f93\u5165\u6570\u636e $e = trim(fgets(STDIN)); trim = \u53bb\u9664\u5b57\u7b26\u5f00\u5934\u6216\u7ed3\u5c3e\u7684\u7a7a\u683c\u548c\u6362\u884c\u7b26 […]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30247","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\n\u3010php\u3011\u6280\u5de7 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u3010php\u3011\u6280\u5de7\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\/\u3010php\u3011\u6280\u5de7\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010php\u3011\u6280\u5de7\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8e\u3010php\u3011\u6280\u5de7\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010php\u3011\u6280\u5de7\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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