{"id":48151,"date":"2024-12-02T17:22:44","date_gmt":"2024-12-02T09:22:44","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48151\/"},"modified":"2024-12-02T17:22:44","modified_gmt":"2024-12-02T09:22:44","slug":"%e5%a6%82%e4%bd%95%e4%bc%98%e5%8c%96php%e5%87%bd%e6%95%b0%e4%b8%ad%e7%9a%84%e5%86%85%e5%ad%98%e5%88%86%e9%85%8d%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48151\/","title":{"rendered":"\u5982\u4f55\u4f18\u5316php\u51fd\u6570\u4e2d\u7684\u5185\u5b58\u5206\u914d\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u4f18\u5316php\u51fd\u6570\u4e2d\u7684\u5185\u5b58\u5206\u914d\uff1f<\/h1>\n<p>\u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecd<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5982\u4f55\u4f18\u5316php\u51fd\u6570\u4e2d\u7684\u5185\u5b58\u5206\u914d\uff1f\u300b<\/span>\u4e3b\u8981\u5185\u5bb9\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01\u5f53\u7136\u5982\u679c\u9605\u8bfb\u672c\u6587\u65f6\u5b58\u5728\u4e0d\u540c\u60f3\u6cd5\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u4e2d\u8868\u8fbe\uff0c\u4f46\u662f\u8bf7\u52ff\u4f7f\u7528\u8fc7\u6fc0\u7684\u63aa\u8f9e~<\/p>\n<p>\u901a\u8fc7\u5e94\u7528\u4ee5\u4e0b\u4f18\u5316\u6280\u672f\uff0c\u53ef\u4ee5\u663e\u8457\u51cf\u5c11 PHP \u51fd\u6570\u4e2d\u7684\u5185\u5b58\u5206\u914d\uff0c\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u548c\u6548\u7387\uff1a\u4f7f\u7528\u53d8\u91cf\u5f15\u7528\uff1a\u907f\u514d\u590d\u5236\u53d8\u91cf\uff0c\u53ef\u4ee5\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u53d8\u91cf\u3002\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u590d\u5236\uff1a\u4ec5\u5728\u9700\u8981\u65f6\u8fdb\u884c\u590d\u5236\uff0c\u4f7f\u7528\u5f15\u7528\u53ef\u4ee5\u8282\u7701\u5185\u5b58\u3002\u4f7f\u7528\u9884\u5206\u914d\u7684\u6570\u7ec4\uff1a\u77e5\u9053\u6570\u7ec4\u5927\u5c0f\u65f6\uff0c\u9884\u5148\u5206\u914d\u7a7a\u95f4\u907f\u514d\u540e\u7eed\u5206\u914d\u3002\u4f7f\u7528 generators\uff1a\u4ec5\u751f\u6210\u9700\u8981\u7684\u503c\uff0c\u51cf\u5c11\u540c\u65f6\u5728\u5185\u5b58\u4e2d\u4fdd\u5b58\u7684\u503c\u6570\u91cf\u3002\u4f7f\u7528 lazy loading\uff1a\u63a8\u8fdf\u52a0\u8f7d\u76f4\u5230\u9700\u8981\u503c\u65f6\uff0c\u907f\u514d\u9884\u5148\u5206\u914d\u5927\u91cf\u5185\u5b58\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1729993306671d9a5a8d65b.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u4f18\u5316php\u51fd\u6570\u4e2d\u7684\u5185\u5b58\u5206\u914d\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u4f18\u5316php\u51fd\u6570\u4e2d\u7684\u5185\u5b58\u5206\u914d\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f18\u5316 PHP \u51fd\u6570\u4e2d\u7684\u5185\u5b58\u5206\u914d<\/strong><\/p>\n<p>\u5185\u5b58\u7ba1\u7406\u662f PHP \u4e2d\u4e00\u4e2a\u91cd\u8981\u7684\u8003\u8651\u56e0\u7d20\uff0c\u7279\u522b\u662f\u5728\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\u6216\u590d\u6742\u7b97\u6cd5\u65f6\u3002\u4e0d\u5f53\u7684\u5185\u5b58\u5206\u914d\u4f1a\u4e25\u91cd\u5f71\u54cd\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u4f18\u5316 PHP \u51fd\u6570\u4e2d\u5185\u5b58\u5206\u914d\u7684\u6709\u6548\u6280\u672f\uff0c\u5e76\u63d0\u4f9b\u5b9e\u7528\u6848\u4f8b\u8fdb\u884c\u8bf4\u660e\u3002<\/p>\n<p><strong>\u4f7f\u7528\u53d8\u91cf\u5f15\u7528<\/strong><\/p>\n<p>\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u53d8\u91cf\u800c\u4e0d\u662f\u590d\u5236\u5b83\u4eec\uff0c\u53ef\u4ee5\u663e\u8457\u51cf\u5c11\u5185\u5b58\u5206\u914d\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>function myFunction(array &amp;$arr) {\n    \/\/ \u5bf9 $arr \u8fdb\u884c\u4fee\u6539\uff0c\u8fd9\u4f1a\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\n}<\/pre>\n<p><strong>\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u590d\u5236<\/strong><\/p>\n<p>\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u590d\u5236\u64cd\u4f5c\uff0c \u4f8b\u5982\uff1a<\/p>\n<pre>\/\/ \u5df2\u5b58\u50a8\u5728 $array \u4e2d\u7684\u6570\u7ec4\n$newArray = $array; \/\/ \u4e0d\u5fc5\u8981\u7684\u590d\u5236<\/pre>\n<p>\u6539\u7528\u5f15\u7528\uff1a<\/p>\n<pre>$newArray =&amp; $array; \/\/ \u5f15\u7528\u539f\u59cb\u6570\u7ec4\uff0c\u8282\u7701\u5185\u5b58<\/pre>\n<p><strong>\u4f7f\u7528\u9884\u5206\u914d\u7684\u6570\u7ec4<\/strong><\/p>\n<p>\u5f53\u60a8\u77e5\u9053\u6570\u7ec4\u7684\u5927\u5c0f\u65f6\uff0c\u53ef\u4ee5\u9884\u5148\u5206\u914d\u7a7a\u95f4\u4ee5\u907f\u514d\u540e\u7eed\u5206\u914d\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>\/\/ \u9884\u5206\u914d\u5927\u5c0f\u4e3a 1000 \u7684\u6570\u7ec4\n$arr = array_fill(0, 1000, null);<\/pre>\n<p><strong>\u4f7f\u7528 generators<\/strong><\/p>\n<p>Generators \u4ec5\u5728\u9700\u8981\u65f6\u624d\u751f\u6210\u503c\uff0c\u4ece\u800c\u51cf\u5c11\u4e86\u540c\u65f6\u5728\u5185\u5b58\u4e2d\u4fdd\u5b58\u7684\u6240\u6709\u503c\u7684\u6570\u91cf\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>function myGenerator() {\n    for ($i = 0; $i &lt; 1000; $i++) {\n        yield $i;\n    }\n}\n\n\/\/ \u9010\u4e2a\u904d\u5386\u751f\u6210\u5668\uff0c\u907f\u514d\u4e00\u6b21\u6027\u52a0\u8f7d\u6574\u4e2a\u6570\u7ec4\nforeach (myGenerator() as $value) {\n    \/\/ do something with $value\n}<\/pre>\n<p><strong>\u4f7f\u7528 lazy loading<\/strong><\/p>\n<p>\u63a8\u8fdf\u52a0\u8f7d\u76f4\u5230\u9700\u8981\u503c\u65f6\uff0c\u907f\u514d\u9884\u5148\u5206\u914d\u5927\u91cf\u5185\u5b58\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>class MyClass {\n    private $data;\n\n    public function getData() {\n        if ($this-&gt;data === null) {\n            $this-&gt;data = load_data_from_database();\n        }\n\n        return $this-&gt;data;\n    }\n}<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u5047\u8bbe\u60a8\u6709\u4e00\u4e2a\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\u7684\u51fd\u6570\uff0c\u8be5\u51fd\u6570\u5f53\u524d\u4e00\u6b21\u590d\u5236\u6574\u4e2a\u6570\u636e\u96c6\u3002\u4e3a\u4e86\u4f18\u5316\u5185\u5b58\u5206\u914d\uff0c\u53ef\u4ee5\u5e94\u7528\u53d8\u91cf\u5f15\u7528\uff1a<\/p>\n<pre>function processData(array &amp;$data) {\n    \/\/ \u5bf9 $data \u8fdb\u884c\u64cd\u4f5c\n}<\/pre>\n<p>\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u6570\u636e\uff0c\u53ef\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u590d\u5236\uff0c\u663e\u8457\u51cf\u5c11\u5185\u5b58\u6d88\u8017\u3002<\/p>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>\u901a\u8fc7\u5e94\u7528\u8fd9\u4e9b\u4f18\u5316\u6280\u672f\uff0c\u60a8\u53ef\u4ee5\u663e\u8457\u51cf\u5c11 PHP \u51fd\u6570\u4e2d\u7684\u5185\u5b58\u5206\u914d\uff0c\u4ece\u800c\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u8bb0\u4f4f\uff0c\u6839\u636e\u5e94\u7528\u7a0b\u5e8f\u7684\u5177\u4f53\u9700\u6c42\uff0c\u53ef\u4ee5\u7ec4\u5408\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u4ee5\u83b7\u5f97\u6700\u4f73\u7ed3\u679c\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u7c73\u4e91\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4f18\u5316php\u51fd\u6570\u4e2d\u7684\u5185\u5b58\u5206\u914d\uff1f \u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9\u6587\u7ae0\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u6587\u7ae0\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u672c\u6587\u300a\u5982\u4f55\u4f18\u5316php\u51fd\u6570\u4e2d\u7684\u5185\u5b58\u5206\u914d\uff1f\u300b\u4e3b\u8981\u5185\u5bb9\u6d89\u53ca\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01\u5f53\u7136\u5982\u679c\u9605\u8bfb\u672c\u6587\u65f6\u5b58\u5728\u4e0d\u540c\u60f3\u6cd5\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u4e2d\u8868\u8fbe\uff0c\u4f46\u662f\u8bf7\u52ff\u4f7f\u7528\u8fc7\u6fc0\u7684\u63aa\u8f9e~ \u901a\u8fc7\u5e94\u7528\u4ee5\u4e0b\u4f18\u5316\u6280\u672f\uff0c\u53ef\u4ee5\u663e\u8457\u51cf\u5c11 PHP \u51fd\u6570\u4e2d\u7684\u5185\u5b58\u5206\u914d\uff0c\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u548c\u6548\u7387\uff1a\u4f7f\u7528\u53d8\u91cf\u5f15\u7528\uff1a\u907f\u514d\u590d\u5236\u53d8\u91cf\uff0c\u53ef\u4ee5\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u53d8\u91cf\u3002\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u590d\u5236\uff1a\u4ec5\u5728\u9700\u8981\u65f6\u8fdb\u884c\u590d\u5236\uff0c\u4f7f\u7528\u5f15\u7528\u53ef\u4ee5\u8282\u7701\u5185\u5b58\u3002\u4f7f\u7528\u9884\u5206\u914d\u7684\u6570\u7ec4\uff1a\u77e5\u9053\u6570\u7ec4\u5927\u5c0f\u65f6\uff0c\u9884\u5148\u5206\u914d\u7a7a\u95f4\u907f\u514d\u540e\u7eed\u5206\u914d\u3002\u4f7f\u7528 generators\uff1a\u4ec5\u751f\u6210\u9700\u8981\u7684\u503c\uff0c\u51cf\u5c11\u540c\u65f6\u5728\u5185\u5b58\u4e2d\u4fdd\u5b58\u7684\u503c\u6570\u91cf\u3002\u4f7f\u7528 lazy loading\uff1a\u63a8\u8fdf\u52a0\u8f7d\u76f4\u5230\u9700\u8981\u503c\u65f6\uff0c\u907f\u514d\u9884\u5148\u5206\u914d\u5927\u91cf\u5185\u5b58\u3002 \u5982\u4f55\u4f18\u5316 PHP \u51fd\u6570\u4e2d\u7684\u5185\u5b58\u5206\u914d \u5185\u5b58\u7ba1\u7406\u662f PHP \u4e2d\u4e00\u4e2a\u91cd\u8981\u7684\u8003\u8651\u56e0\u7d20\uff0c\u7279\u522b\u662f\u5728\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\u6216\u590d\u6742\u7b97\u6cd5\u65f6\u3002\u4e0d\u5f53\u7684\u5185\u5b58\u5206\u914d\u4f1a\u4e25\u91cd\u5f71\u54cd\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u4f18\u5316 PHP \u51fd\u6570\u4e2d\u5185\u5b58\u5206\u914d\u7684\u6709\u6548\u6280\u672f\uff0c\u5e76\u63d0\u4f9b\u5b9e\u7528\u6848\u4f8b\u8fdb\u884c\u8bf4\u660e\u3002 \u4f7f\u7528\u53d8\u91cf\u5f15\u7528 \u901a\u8fc7\u5f15\u7528\u4f20\u9012\u53d8\u91cf\u800c\u4e0d\u662f\u590d\u5236\u5b83\u4eec\uff0c\u53ef\u4ee5\u663e\u8457\u51cf\u5c11\u5185\u5b58\u5206\u914d\u3002\u4f8b\u5982\uff1a function myFunction(array &amp;$arr) { \/\/ \u5bf9 $arr \u8fdb\u884c\u4fee\u6539\uff0c\u8fd9\u4f1a\u5f71\u54cd\u539f\u59cb\u6570\u7ec4 } \u907f\u514d\u4e0d\u5fc5\u8981\u7684\u590d\u5236 \u907f\u514d\u4e0d\u5fc5\u8981\u7684\u590d\u5236\u64cd\u4f5c\uff0c \u4f8b\u5982\uff1a \/\/ \u5df2\u5b58\u50a8\u5728 $array \u4e2d\u7684\u6570\u7ec4 $newArray = $array; \/\/ \u4e0d\u5fc5\u8981\u7684\u590d\u5236 \u6539\u7528\u5f15\u7528\uff1a $newArray =&amp; $array; \/\/ \u5f15\u7528\u539f\u59cb\u6570\u7ec4\uff0c\u8282\u7701\u5185\u5b58 \u4f7f\u7528\u9884\u5206\u914d\u7684\u6570\u7ec4 \u5f53\u60a8\u77e5\u9053\u6570\u7ec4\u7684\u5927\u5c0f\u65f6\uff0c\u53ef\u4ee5\u9884\u5148\u5206\u914d\u7a7a\u95f4\u4ee5\u907f\u514d\u540e\u7eed\u5206\u914d\u3002\u4f8b\u5982\uff1a \/\/ \u9884\u5206\u914d\u5927\u5c0f\u4e3a 1000 \u7684\u6570\u7ec4 $arr = array_fill(0, 1000, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-48151","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48151","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=48151"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48151\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48151"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48151"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48151"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}