{"id":30687,"date":"2023-09-12T14:01:19","date_gmt":"2023-04-17T23:30:05","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8e%e4%bd%bf%e7%94%a8php%e8%bf%9b%e8%a1%8c%e7%b1%bb%e5%9e%8b%e6%af%94%e8%be%83-2\/"},"modified":"2025-08-12T20:20:59","modified_gmt":"2025-08-12T12:20:59","slug":"%e5%85%b3%e4%ba%8e%e4%bd%bf%e7%94%a8php%e8%bf%9b%e8%a1%8c%e7%b1%bb%e5%9e%8b%e6%af%94%e8%be%83-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8e%e4%bd%bf%e7%94%a8php%e8%bf%9b%e8%a1%8c%e7%b1%bb%e5%9e%8b%e6%af%94%e8%be%83-2\/","title":{"rendered":"\u5173\u4e8e\u4f7f\u7528PHP\u8fdb\u884c\u7c7b\u578b\u6bd4\u8f83"},"content":{"rendered":"

\u603b\u7ed3<\/h2>\n

\u6839\u636e\u4e0a\u8ff0\u63cf\u8ff0\uff0c\u636e\u8bf4\u5373\u4f7fPHP\u4e2d\u8fdb\u884c\u7c7b\u578b\u6bd4\u8f83\u7684\u76ee\u6807\u7c7b\u578b\u4e0d\u540c\uff0c\u4e5f\u4f1a\u53d8\u4e3aTRUE\u3002
\nhttps:\/\/www.php.net\/manual\/ja\/migration80.incompatible.php
\n\u56e0\u4e3a0 == “0”\u4f1a\u53d8\u4e3aTRUE\uff0c\u6240\u4ee5\u5982\u679c\u8981\u9a8c\u8bc1\u7c7b\u578b\u5339\u914d\uff0c\u9700\u8981\u5c06\u5176\u6539\u4e3a0 === “0”\u3002<\/p>\n

\u5b9e\u8df5(PHP)<\/h2>\n

\u6211\u7528PHP\u5199\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u5904\u7406\u64cd\u4f5c\u3002
\n\u771f\u76840 == “0”\u4f1a\u6210\u4e3atrue\u3002<\/p>\n

<?php<\/span>\r\nif<\/span> (<\/span>0<\/span> ==<\/span> \"0\"<\/span>)<\/span> {<\/span>\r\n  echo<\/span> \"true\"<\/span>;<\/span>\r\n}<\/span> else<\/span>\r\n  echo<\/span> \"false\"<\/span>;<\/span>\r\n?><\/span>\r\n<\/code><\/pre>\n
\u5b9f\u884c\u7d50\u679c\r\n% php test.php \r\ntrue\r\n<\/code><\/pre>\n
\u4e0b\u9762\u7684\u4ee3\u7801\u5c06\u8bd5\u56fe\u6267\u884c\u3002
\n\u53ea\u6709\u4e00\u4e2a\u53d8\u66f4\u70b9\uff0c\u5373\u300cif (0 == “0”)\u300d\u88ab\u6539\u4e3a\u300cif (0 === “0”)\u300d\u3002<\/p>\n
<?php<\/span>\r\n\/\/ \u6bd4\u8f03\u5bfe\u8c61\u306e\u578b\u3082\u691c\u8a3c\u3059\u308b<\/span>\r\nif<\/span> (<\/span>0<\/span> ===<\/span> \"0\"<\/span>)<\/span> {<\/span>\r\n  echo<\/span> \"true\"<\/span>;<\/span>\r\n}<\/span> else<\/span>\r\n  echo<\/span> \"false\"<\/span>;<\/span>\r\n?><\/span>\r\n<\/code><\/pre>\n
\u5b9f\u884c\u7d50\u679c\r\n% php test.php \r\nfalse\r\n<\/code><\/pre>\n
\u6211\u5df2\u7ecf\u786e\u8ba4\u8fdb\u884c\u7c7b\u578b\u9a8c\u8bc1\u4f1a\u5f97\u5230false\u7684\u7ed3\u679c\u3002<\/p>\n
\u4f7f\u7528 (Ruby) \u8fdb\u884c\u5b9e\u8df5<\/h2>\n
\u4ee5Ruby\u800c\u8a00\uff0c”0 == “0””\u65e0\u6cd5\u5c06\u6570\u5b57\u4e0e\u5b57\u7b26\u4e32\u8fdb\u884c\u6bd4\u8f83\uff0c\u56e0\u6b64\u7ed3\u679c\u4e3afalse\u3002
\n\u8fd9\u662f\u9884\u671f\u7684\u7ed3\u679c\u3002<\/p>\n
if<\/span> 0<\/span> ==<\/span> \"0\"<\/span> then<\/span>\r\n  puts<\/span> \"true\"<\/span>\r\nelse<\/span>\r\n  puts<\/span> \"false\"<\/span>\r\nend<\/span>\r\n<\/code><\/pre>\n
\u5b9f\u884c\u7d50\u679c\r\n% ruby test.rb \r\nfalse\r\n<\/code><\/pre>\n
\u5b9e\u9645\u5e94\u7528\uff08Python\uff09<\/h2>\n
\u5728Python\u4e2d\uff0c\u56e0\u4e3a”0″\u548c0\u662f\u4e0d\u540c\u7684\u7c7b\u578b\uff0c\u6240\u4ee5”0 == “0””\u7684\u7ed3\u679c\u662ffalse\u3002\u8fd9\u4e5f\u662f\u9884\u671f\u7684\u7ed3\u679c\u3002<\/p>\n
if<\/span> 0<\/span> ==<\/span> \"0\"<\/span>:<\/span>\r\n    print<\/span>(<\/span>\"true\"<\/span>)<\/span>\r\nelse<\/span>:<\/span>\r\n    print<\/span>(<\/span>\"false\"<\/span>)<\/span>\r\n<\/code><\/pre>\n
% python test.py \r\nfalse\r\n<\/code><\/pre>\n
\u603b\u7ed3<\/h2>\n
PHP\u4e0eRuby\u6216Python\u7684\u8bbe\u8ba1\u7406\u5ff5\u4f3c\u4e4e\u4e0d\u540c\u3002
\nPHP\u53ea\u8981\u4e0e\u6bd4\u8f83\u5bf9\u8c61\u76f8\u7b26\uff0c\u5c31\u4f1a\u5c06\u6570\u5b570\u548c\u5b57\u7b26\u4e320\u90fd\u89c6\u4e3atrue\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u603b\u7ed3 \u6839\u636e\u4e0a\u8ff0\u63cf\u8ff0\uff0c\u636e\u8bf4\u5373\u4f7fPHP\u4e2d\u8fdb\u884c\u7c7b\u578b\u6bd4\u8f83\u7684\u76ee\u6807\u7c7b\u578b\u4e0d\u540c\uff0c\u4e5f\u4f1a\u53d8\u4e3aTRUE\u3002 https:\/\/www.p […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30687","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\n\u5173\u4e8e\u4f7f\u7528PHP\u8fdb\u884c\u7c7b\u578b\u6bd4\u8f83 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u5173\u4e8e\u4f7f\u7528PHP\u8fdb\u884c\u7c7b\u578b\u6bd4\u8f83\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\/\u5173\u4e8e\u4f7f\u7528php\u8fdb\u884c\u7c7b\u578b\u6bd4\u8f83-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5173\u4e8e\u4f7f\u7528PHP\u8fdb\u884c\u7c7b\u578b\u6bd4\u8f83\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8e\u5173\u4e8e\u4f7f\u7528PHP\u8fdb\u884c\u7c7b\u578b\u6bd4\u8f83\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5173\u4e8e\u4f7f\u7528php\u8fdb\u884c\u7c7b\u578b\u6bd4\u8f83-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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