{"id":30418,"date":"2022-11-18T11:15:03","date_gmt":"2023-04-15T13:37:01","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8php%e7%9a%84linq\/"},"modified":"2025-08-12T19:05:33","modified_gmt":"2025-08-12T11:05:33","slug":"%e4%bd%bf%e7%94%a8php%e7%9a%84linq","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8php%e7%9a%84linq\/","title":{"rendered":"\u4f7f\u7528PHP\u7684LINQ"},"content":{"rendered":"<p>Ginq \/ PHPLinq \u53ef\u4ee5\u6539\u5199\u6210\uff1aGinq \/ PHPLinq \u7ecf\u5e38\u88ab\u7528\u6765\u624b\u52a8\u7684\u7f16\u5199PHP+SQL\u4ee3\u7801\u3002<\/p>\n<p>\u6211\u5c06\u5c1d\u8bd5\u4f7f\u7528\u4e00\u4e2a\u540d\u4e3aGINQ\u7684\u5e93\u6765\u5b9e\u73b0PHP\u4e2d\u7684LINQ\u529f\u80fd\u3002<\/p>\n<p>LINQ\u662f\u4ec0\u4e48\u4e1c\u897f\uff1f<\/p>\n<blockquote><p>\u4f7f\u6570\u636e\u6807\u51c6\u5316\u7684\u65b9\u5f0f\u5bf9\u6570\u636e\u96c6\u5408\u8fdb\u884c\u67e5\u8be2\u3002<\/p><\/blockquote>\n<blockquote><p>.NET Framework\u5c06\u6dfb\u52a0\u901a\u7528\u67e5\u8be2\u529f\u80fd\uff0c\u5e76\u5c06\u67e5\u8be2\u529f\u80fd\u5e94\u7528\u4e8e\u9664\u5173\u7cfb\u6570\u636e\u548cXML\u6570\u636e\u4e4b\u5916\u7684\u6240\u6709\u4fe1\u606f\u6e90\u3002<\/p><\/blockquote>\n<p>\u8fd9\u662f\u4ec0\u4e48\u4e1c\u897f\u554a\u3002<br \/>\n\u7b80\u5355\u6765\u8bf4\uff0c\u5b83\u4f3c\u4e4e\u662f\u7528\u7c7b\u4f3cSQL\u7684\u65b9\u6cd5\u6765\u5bf9\u6570\u7ec4\u3001\u5bf9\u8c61\u548c\u5176\u4ed6\u5404\u79cd\u96c6\u5408\u8fdb\u884cSELECT\u3002<br \/>\n\u6211\u4eec\u9a6c\u4e0a\u8bd5\u4e00\u8bd5\u770b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?php<\/span>\r\n    <span class=\"c1\">\/\/ Ginq<\/span>\r\n    <span class=\"k\">require_once<\/span><span class=\"p\">(<\/span><span class=\"s1\">'path\/to\/ginq\/Ginq.php'<\/span><span class=\"p\">);<\/span>\r\n\r\n    <span class=\"nv\">$sample1<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"s1\">'John'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'Peter'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'Joe'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'Patrick'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'Donald'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'Eric'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'Joe'<\/span><span class=\"p\">];<\/span>\r\n\r\n    <span class=\"c1\">\/\/ SELECT name FROM sample1 WHERE LENGTH(name) &lt; 5<\/span>\r\n    <span class=\"nv\">$under5<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Ginq<\/span><span class=\"o\">::<\/span><span class=\"nf\">from<\/span><span class=\"p\">(<\/span><span class=\"nv\">$sample1<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"o\">-&gt;<\/span><span class=\"nf\">where<\/span><span class=\"p\">(<\/span><span class=\"k\">function<\/span><span class=\"p\">(<\/span><span class=\"nv\">$name<\/span><span class=\"p\">){<\/span><span class=\"k\">return<\/span> <span class=\"nb\">strlen<\/span><span class=\"p\">(<\/span><span class=\"nv\">$name<\/span><span class=\"p\">)<\/span> <span class=\"o\">&lt;<\/span> <span class=\"mi\">5<\/span><span class=\"p\">;})<\/span>\r\n        <span class=\"o\">-&gt;<\/span><span class=\"nf\">toArray<\/span><span class=\"p\">();<\/span>\r\n\r\n    <span class=\"c1\">\/\/ SELECT DISTINCT name FROM sample1 ORDER BY id DESC<\/span>\r\n    <span class=\"nv\">$reverse<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Ginq<\/span><span class=\"o\">::<\/span><span class=\"nf\">from<\/span><span class=\"p\">(<\/span><span class=\"nv\">$sample1<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">reverse<\/span><span class=\"p\">()<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">distinct<\/span><span class=\"p\">()<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">toArray<\/span><span class=\"p\">();<\/span>\r\n\r\n    <span class=\"c1\">\/\/ Employee PHPLinq\u306e\u30b5\u30f3\u30d7\u30eb\u306e\u30b3\u30d4\u30da<\/span>\r\n    <span class=\"kd\">class<\/span> <span class=\"nc\">Employee<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">public<\/span> <span class=\"nv\">$Id<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$DepartmentId<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$ManagerId<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$Name<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$Email<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$Age<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"k\">public<\/span> <span class=\"k\">function<\/span> <span class=\"n\">__construct<\/span><span class=\"p\">(<\/span><span class=\"nv\">$id<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$departmentId<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$managerId<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$name<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">''<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$email<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">''<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$age<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">''<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"nv\">$this<\/span><span class=\"o\">-&gt;<\/span><span class=\"nc\">Id<\/span>               <span class=\"o\">=<\/span> <span class=\"nv\">$id<\/span><span class=\"p\">;<\/span>\r\n            <span class=\"nv\">$this<\/span><span class=\"o\">-&gt;<\/span><span class=\"nc\">DepartmentId<\/span>     <span class=\"o\">=<\/span> <span class=\"nv\">$departmentId<\/span><span class=\"p\">;<\/span>\r\n            <span class=\"nv\">$this<\/span><span class=\"o\">-&gt;<\/span><span class=\"nc\">ManagerId<\/span>        <span class=\"o\">=<\/span> <span class=\"nv\">$managerId<\/span><span class=\"p\">;<\/span>\r\n            <span class=\"nv\">$this<\/span><span class=\"o\">-&gt;<\/span><span class=\"nc\">Name<\/span>             <span class=\"o\">=<\/span> <span class=\"nv\">$name<\/span><span class=\"p\">;<\/span>\r\n            <span class=\"nv\">$this<\/span><span class=\"o\">-&gt;<\/span><span class=\"nc\">Email<\/span>            <span class=\"o\">=<\/span> <span class=\"nv\">$email<\/span><span class=\"p\">;<\/span>\r\n            <span class=\"nv\">$this<\/span><span class=\"o\">-&gt;<\/span><span class=\"nc\">Age<\/span>              <span class=\"o\">=<\/span> <span class=\"nv\">$age<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"nv\">$employees<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\r\n        <span class=\"k\">new<\/span> <span class=\"nc\">Employee<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"mi\">5<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'Maarten'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'maarten@example.com'<\/span><span class=\"p\">,<\/span> <span class=\"mi\">24<\/span><span class=\"p\">),<\/span>\r\n        <span class=\"k\">new<\/span> <span class=\"nc\">Employee<\/span><span class=\"p\">(<\/span><span class=\"mi\">2<\/span><span class=\"p\">,<\/span> <span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"mi\">5<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'Paul'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'paul@example.com'<\/span><span class=\"p\">,<\/span> <span class=\"mi\">30<\/span><span class=\"p\">),<\/span>\r\n        <span class=\"k\">new<\/span> <span class=\"nc\">Employee<\/span><span class=\"p\">(<\/span><span class=\"mi\">3<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">,<\/span> <span class=\"mi\">5<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'Bill'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'bill.a@example.com'<\/span><span class=\"p\">,<\/span> <span class=\"mi\">29<\/span><span class=\"p\">),<\/span>\r\n        <span class=\"k\">new<\/span> <span class=\"nc\">Employee<\/span><span class=\"p\">(<\/span><span class=\"mi\">4<\/span><span class=\"p\">,<\/span> <span class=\"mi\">3<\/span><span class=\"p\">,<\/span> <span class=\"mi\">5<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'Bill'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'bill.g@example.com'<\/span><span class=\"p\">,<\/span> <span class=\"mi\">28<\/span><span class=\"p\">),<\/span>\r\n        <span class=\"k\">new<\/span> <span class=\"nc\">Employee<\/span><span class=\"p\">(<\/span><span class=\"mi\">5<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">,<\/span> <span class=\"mi\">0<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'Xavier'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'xavier@example.com'<\/span><span class=\"p\">,<\/span> <span class=\"mi\">40<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">];<\/span>\r\n\r\n    <span class=\"c1\">\/\/ SELECT Email, SUBSTR(Email, INSTR(Email,'@')+1) FROM employees WHERE LENGTH(Name) = 4 ORDER BY Age DESC LIMIT 2 OFFSET 1<\/span>\r\n    <span class=\"nv\">$result<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Ginq<\/span><span class=\"o\">::<\/span><span class=\"nf\">from<\/span><span class=\"p\">(<\/span><span class=\"nv\">$employees<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"o\">-&gt;<\/span><span class=\"nf\">where<\/span><span class=\"p\">(<\/span><span class=\"k\">function<\/span><span class=\"p\">(<\/span><span class=\"nv\">$employee<\/span><span class=\"p\">){<\/span> <span class=\"k\">return<\/span> <span class=\"nb\">strlen<\/span><span class=\"p\">(<\/span><span class=\"nv\">$employee<\/span><span class=\"o\">-&gt;<\/span><span class=\"nc\">Name<\/span><span class=\"p\">)<\/span> <span class=\"o\">===<\/span> <span class=\"mi\">4<\/span><span class=\"p\">;<\/span> <span class=\"p\">})<\/span>\r\n        <span class=\"o\">-&gt;<\/span><span class=\"nf\">orderByDesc<\/span><span class=\"p\">(<\/span><span class=\"k\">function<\/span><span class=\"p\">(<\/span><span class=\"nv\">$employee<\/span><span class=\"p\">){<\/span> <span class=\"k\">return<\/span> <span class=\"nv\">$employee<\/span><span class=\"o\">-&gt;<\/span><span class=\"nc\">Age<\/span><span class=\"p\">;<\/span> <span class=\"p\">})<\/span>\r\n        <span class=\"o\">-&gt;<\/span><span class=\"nf\">drop<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">take<\/span><span class=\"p\">(<\/span><span class=\"mi\">2<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"o\">-&gt;<\/span><span class=\"nf\">select<\/span><span class=\"p\">(<\/span><span class=\"k\">function<\/span><span class=\"p\">(<\/span><span class=\"nv\">$employee<\/span><span class=\"p\">){<\/span> <span class=\"k\">return<\/span> <span class=\"p\">[<\/span>\r\n            <span class=\"s1\">'EmailAddress'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nv\">$employee<\/span><span class=\"o\">-&gt;<\/span><span class=\"nc\">Email<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"s1\">'Domain'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nb\">substr<\/span><span class=\"p\">(<\/span><span class=\"nv\">$employee<\/span><span class=\"o\">-&gt;<\/span><span class=\"nc\">Email<\/span><span class=\"p\">,<\/span> <span class=\"nb\">strpos<\/span><span class=\"p\">(<\/span><span class=\"nv\">$employee<\/span><span class=\"o\">-&gt;<\/span><span class=\"nc\">Email<\/span><span class=\"p\">,<\/span> <span class=\"s2\">\"@\"<\/span><span class=\"p\">)<\/span> <span class=\"o\">+<\/span> <span class=\"mi\">1<\/span><span class=\"p\">)<\/span>\r\n            <span class=\"p\">];<\/span> <span class=\"p\">})<\/span>\r\n        <span class=\"o\">-&gt;<\/span><span class=\"nf\">toArray<\/span><span class=\"p\">();<\/span>\r\n<\/code><\/pre>\n<p>\u53ef\u4ee5\u4f7f\u7528\u65b9\u6cd5\u94fe\u6765\u50cf\u5199SQL\u4e00\u6837\u7684\u65b9\u5f0f\u5904\u7406\u51e0\u4e4e\u4e0e\u6ce8\u91ca\u4e2d\u5199\u7684SQL\u76f8\u540c\u7684\u64cd\u4f5c\u3002<br \/>\n\u867d\u7136\u4e0d\u662fSQL\u672c\u8eab\uff0c\u4f46\u53ef\u4ee5\u4ee5\u76f8\u540c\u7684\u65b9\u5f0f\u4f7f\u7528\u3002<br \/>\n\u65e0\u9700\u4f7f\u7528array_filter()\u548cforeach\u8fd9\u6837\u7e41\u7410\u7684\u5904\u7406\u6b65\u9aa4\u3002<\/p>\n<p>\u8fd9\u4e2a\u7248\u672c\u7684PHPLinq\u4e0e\u4e0a\u4e00\u7248\u672c\u51e0\u4e4e\u76f8\u540c\uff0c\u4f46\u662f\u7531\u4e8efrom\u65b9\u6cd5\u53ef\u4ee5\u63a5\u53d7Iterator\uff0c\u6240\u4ee5\u53ef\u4ee5\u7528ArrayObject\u548cSPL\u7b49\u4f5c\u4e3a\u53c2\u6570\u3002<br \/>\n\u6b64\u5916\uff0c\u5927\u591a\u6570\u65b9\u6cd5\u90fd\u53ef\u4ee5\u63a5\u53d7callable\u53c2\u6570\uff0c\u76f8\u6bd4\u9700\u8981\u7528\u5b57\u7b26\u4e32\u7f16\u5199\u7684PHPLinq\uff0c\u66f4\u52a0\u65b9\u4fbf\u4e14\u5177\u6709\u901a\u7528\u6027\u3002<\/p>\n<p>\u55ef\uff0c\u5982\u679c\u770b\u8fd9\u5e45\u5e7b\u706f\u7247\uff0c\u5927\u81f4\u5c31\u80fd\u4e86\u89e3 Ginq \u7684\u529f\u80fd\u3002<br \/>\n\u867d\u7136\u672c\u6b21\u6ca1\u6709\u4f7f\u7528\uff0c\u4f46\u8fd8\u6709\u5f88\u591a\u5176\u4ed6\u529f\u80fd\uff0c\u5982\u805a\u5408\u3001\u8fde\u63a5\u7b49\uff0c\u800c\u4e14\u8fd8\u652f\u6301\u5ef6\u8fdf\u6267\u884c\uff0c\u6027\u80fd\u4f3c\u4e4e\u4e5f\u5f88\u4e0d\u9519\u3002<br \/>\n\u770b\u8d77\u6765\u662f\u4e00\u4e2a\u76f8\u5f53\u65b9\u4fbf\u6613\u7528\u7684\u5e93\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ginq \/ PHPLinq \u53ef\u4ee5\u6539\u5199\u6210\uff1aGinq \/ PHPLinq \u7ecf\u5e38\u88ab\u7528\u6765\u624b\u52a8\u7684\u7f16\u5199PHP+SQL\u4ee3\u7801 [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30418","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) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u4f7f\u7528PHP\u7684LINQ - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u4f7f\u7528PHP\u7684LINQ\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\/\u4f7f\u7528php\u7684linq\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4f7f\u7528PHP\u7684LINQ\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8e\u4f7f\u7528PHP\u7684LINQ\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528php\u7684linq\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" 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