{"id":30889,"date":"2024-01-03T09:15:32","date_gmt":"2023-03-23T04:37:00","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91%e5%a1%ab%e5%85%850\/"},"modified":"2025-08-12T21:15:16","modified_gmt":"2025-08-12T13:15:16","slug":"%e3%80%90php%e3%80%91%e5%a1%ab%e5%85%850","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91%e5%a1%ab%e5%85%850\/","title":{"rendered":"\u3010PHP\u3011\u586b\u51450"},"content":{"rendered":"<pre class=\"post-pre\"><code>echo sprintf('%02d', 1); \/\/ 01\r\necho sprintf('%03d', 1); \/\/ 001\r\necho sprintf('\u3042\u306a\u305f\u306eID\u306f%04d\u3067\u3059', 1); \/\/ \u3042\u306a\u305f\u306eID\u306f0001\u3067\u3059\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662f\u4e24\u79cd\u7528\u4e8e\u5728PHP\u4e2d\u8fdb\u884c\u96f6\u586b\u5145\u7684\u65b9\u6cd5\u7684\u53c2\u8003\uff1asprintf\u51fd\u6570\u548cstr_pad\u51fd\u6570\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>echo sprintf(&#8216;%02d&#8217;, 1); \/\/ 01 echo sprintf(&#8216;%03d&#8217;, 1); [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30889","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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