{"id":30567,"date":"2023-11-19T23:46:45","date_gmt":"2023-09-01T21:28:38","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9b%9e%e6%96%87%e5%88%a4%e6%96%ad%e7%a8%8b%e5%bc%8f%ef%bc%88php%ef%bc%89\/"},"modified":"2025-08-12T19:47:50","modified_gmt":"2025-08-12T11:47:50","slug":"%e5%9b%9e%e6%96%87%e5%88%a4%e6%96%ad%e7%a8%8b%e5%bc%8f%ef%bc%88php%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9b%9e%e6%96%87%e5%88%a4%e6%96%ad%e7%a8%8b%e5%bc%8f%ef%bc%88php%ef%bc%89\/","title":{"rendered":"\u56de\u6587\u5224\u65ad\u7a0b\u5f0f\uff08PHP\uff09"},"content":{"rendered":"<p>\u5c3d\u7ba1\u5fc3\u91cc\u60f3\u7740\u201c\u8fd9\u8981\u7528\u6765\u5e72\u4ec0\u4e48\u5462\uff1f\u201d\uff0c\u8fd8\u662f\u5c06\u5176\u4f5c\u4e3a\u5907\u5fd8\u5f55\u5199\u4e0b\u6765\u3002<\/p>\n<pre class=\"post-pre\"><code>$line = trim(fgets(STDIN));\r\nfor($i=strlen($line);$i&gt;=0;$i--){\r\n    $kotae.=mb_substr($line,$i,1);\r\n}\r\nif($kotae==$line){\r\n    echo \"YES\";\r\n}else{\r\n    echo \"NO\";\r\n}\r\n<\/code><\/pre>\n<div>\u4e3a\u4e86\u4ece\u63a7\u5236\u53f0\u4e2d\u83b7\u53d6\u8f93\u5165\uff0c\u53ef\u4ee5\u4f7f\u7528trim(fgets(STDIN))\u3002<br \/>\n$line\u662f\u8981\u5224\u65ad\u7684\u53e5\u5b50\u3002<br \/>\n$kotae\u662f$line\u53cd\u8f6c\u540e\u7684\u53e5\u5b50\u3002<br \/>\n\u203b\u5982\u679c\u4f7f\u7528mb_substr\u5728\u65e5\u8bed\u4e2d\u4e5f\u53ef\u4ee5\u4f7f\u7528\u3002<br \/>\n\u5982\u679c\u4f7f\u7528substr\uff0c\u53ea\u652f\u6301\u82f1\u6587\u3002<br \/>\n\u534a\u89d2\u7684$\u65e0\u6cd5\u663e\u793a\uff08 \uff89\u0414`)\uff7c\uff78\uff7c\uff78\u2026\u3002\u3002<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5c3d\u7ba1\u5fc3\u91cc\u60f3\u7740\u201c\u8fd9\u8981\u7528\u6765\u5e72\u4ec0\u4e48\u5462\uff1f\u201d\uff0c\u8fd8\u662f\u5c06\u5176\u4f5c\u4e3a\u5907\u5fd8\u5f55\u5199\u4e0b\u6765\u3002 $line = trim(fgets(STDI [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30567","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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