{"id":30196,"date":"2024-03-03T04:12:51","date_gmt":"2024-02-28T01:07:04","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91%e5%9c%a8%e4%bd%bf%e7%94%a8php%e6%97%b6%e6%83%b3%e8%a6%81%e5%8d%95%e7%8b%ac%e4%bd%bf%e7%94%a8foreachelse\/"},"modified":"2025-08-12T18:01:35","modified_gmt":"2025-08-12T10:01:35","slug":"%e3%80%90php%e3%80%91%e5%9c%a8%e4%bd%bf%e7%94%a8php%e6%97%b6%e6%83%b3%e8%a6%81%e5%8d%95%e7%8b%ac%e4%bd%bf%e7%94%a8foreachelse","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91%e5%9c%a8%e4%bd%bf%e7%94%a8php%e6%97%b6%e6%83%b3%e8%a6%81%e5%8d%95%e7%8b%ac%e4%bd%bf%e7%94%a8foreachelse\/","title":{"rendered":"\u3010PHP\u3011\u5728\u4f7f\u7528PHP\u65f6\u60f3\u8981\u5355\u72ec\u4f7f\u7528foreachelse"},"content":{"rendered":"<p>\u7531\u4e8e\u4e0d\u9700\u8981\u4f7f\u7528\uff08\u826f\u5fc3\uff09<\/p>\n<p>\u30fb<br \/>\n\u30fb<br \/>\n\u30fb<br \/>\n\u5982\u679c\u4f7f\u7528Smarty\u4e4b\u7c7b\u7684\uff0c\u5f53foreach\u7684\u76ee\u6807\u5217\u8868\u4e3a\u7a7a\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528{foreachelse}\uff5e{\/ foreach}\u6765\u8fdb\u884c\u5904\u7406\u3002\u53e6\u5916\uff0c\u5728Python\u4e2d\u53ef\u4ee5\u7528for\uff5eelse\uff5e\u6765\u5b9e\u73b0\u3002\u4f46\u5982\u679c\u5728PHP\u4e2d\u5c1d\u8bd5\uff0c\u90a3\u4e48\u2026<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$arrData<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">foreach<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$arrData<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$k<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nv\">$v<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"c1\">\/\/ \u3046\u30fc\u3093\u304b\u3063\u3053\u308f\u308b\u3044<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\r\n\r\n<span class=\"p\">}<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u6709\u4e00\u79cd\u8bf4\u4e0d\u4e0a\u6765\u7684\u4e0d\u642d\u8c03\u611f\u3002<br \/>\n\u5982\u679c\u975e\u8981\u4f7f\u7528\u7684\u8bdd\uff0c\u7528\u8fd9\u4e2a\u5199\u6cd5\u7a0d\u5fae\u723d\u5feb\u4e00\u70b9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"nv\">$arrData<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"c1\">\/\/ \u3053\u3063\u3061\u304celse\u7684\u306a\u5185\u5bb9\u3060\u304b\u3089\u9806\u5e8f\u304c\u306d\u30fb\u30fb\u30fb<\/span>\r\n<span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"k\">foreach<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$arrData<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$k<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nv\">$v<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"c1\">\/\/ \u3042\u3093\u307e\u4f7f\u308f\u306a\u3044\u307b\u3046\u304c\u3044\u3044\u304b\u3082<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u7531\u4e8e\u4e0d\u9700\u8981\u4f7f\u7528\uff08\u826f\u5fc3\uff09 \u30fb \u30fb \u30fb \u5982\u679c\u4f7f\u7528Smarty\u4e4b\u7c7b\u7684\uff0c\u5f53foreach\u7684\u76ee\u6807\u5217\u8868\u4e3a\u7a7a\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528{f [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30196","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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