{"id":46956,"date":"2024-12-02T11:35:43","date_gmt":"2024-12-02T03:35:43","guid":{"rendered":"https:\/\/fwq.ai\/blog\/46956\/"},"modified":"2024-12-02T11:35:43","modified_gmt":"2024-12-02T03:35:43","slug":"%e5%88%9b%e5%bb%ba%e5%8f%af%e9%87%8d%e7%94%a8-php-%e5%87%bd%e6%95%b0%e7%9a%84%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/46956\/","title":{"rendered":"\u521b\u5efa\u53ef\u91cd\u7528 PHP \u51fd\u6570\u7684\u6700\u4f73\u5b9e\u8df5"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u521b\u5efa\u53ef\u91cd\u7528 PHP \u51fd\u6570\u7684\u6700\u4f73\u5b9e\u8df5<\/h1>\n<p>\u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u521b\u5efa\u53ef\u91cd\u7528 PHP \u51fd\u6570\u7684\u6700\u4f73\u5b9e\u8df5\u300b<\/span>\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01<\/p>\n<p>\u5728 PHP \u4e2d\u521b\u5efa\u53ef\u91cd\u7528\u7684\u51fd\u6570\u9700\u8981\u9075\u5faa\u6700\u4f73\u5b9e\u8df5\uff0c\u5305\u62ec\uff1a\u5b9a\u4e49\u660e\u786e\u7684\u51fd\u6570\u7b7e\u540d\uff0c\u5305\u62ec\u51fd\u6570\u540d\u79f0\u3001\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7c7b\u578b\u3002\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u6307\u5b9a\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7684\u7c7b\u578b\uff0c\u589e\u5f3a\u4ee3\u7801\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u907f\u514d\u4f7f\u7528\u53ef\u53d8\u51fd\u6570\u53c2\u6570\uff0c\u4fdd\u6301\u51fd\u6570\u7b7e\u540d\u7684\u786e\u5b9a\u6027\u3002\u5c06\u590d\u6742\u4ee3\u7801\u62bd\u8c61\u5230\u8f85\u52a9\u51fd\u6570\uff0c\u63d0\u9ad8\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u4f7f\u7528\u547d\u540d\u7a7a\u95f4\u9632\u6b62\u51fd\u6570\u540d\u79f0\u51b2\u7a81\uff0c\u7279\u522b\u662f\u5f53\u591a\u4e2a\u51fd\u6570\u5177\u6709\u76f8\u4f3c\u540d\u79f0\u6216\u529f\u80fd\u65f6\u3002\u7f16\u5199\u5355\u5143\u6d4b\u8bd5\u4ee5\u9a8c\u8bc1\u51fd\u6570\u884c\u4e3a\uff0c\u5bf9\u4e8e\u5173\u952e\u529f\u80fd\u6216\u590d\u6742\u51fd\u6570\u5c24\u4e3a\u91cd\u8981\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241025\/1729857094671b8646e9c84.jpg\" class=\"aligncenter\" title=\"\u521b\u5efa\u53ef\u91cd\u7528 PHP \u51fd\u6570\u7684\u6700\u4f73\u5b9e\u8df5\u63d2\u56fe\" alt=\"\u521b\u5efa\u53ef\u91cd\u7528 PHP \u51fd\u6570\u7684\u6700\u4f73\u5b9e\u8df5\u63d2\u56fe\" \/><\/p>\n<p><strong>\u521b\u5efa\u53ef\u91cd\u7528 PHP \u51fd\u6570\u7684\u6700\u4f73\u5b9e\u8df5<\/strong><\/p>\n<p>\u5728 PHP \u4e2d\u521b\u5efa\u53ef\u91cd\u7528\u7684\u51fd\u6570\u53ef\u4ee5\u6781\u5927\u5730\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002\u4ee5\u4e0b\u662f\u521b\u5efa\u53ef\u91cd\u7528\u51fd\u6570\u7684\u4e00\u4e9b\u6700\u4f73\u5b9e\u8df5\uff1a<\/p>\n<p><strong>1. \u5b9a\u4e49\u660e\u786e\u7684\u51fd\u6570\u7b7e\u540d<\/strong><\/p>\n<p>\u51fd\u6570\u7b7e\u540d\u6307\u5b9a\u4e86\u51fd\u6570\u540d\u79f0\u3001\u63a5\u53d7\u7684\u53c2\u6570\u4ee5\u53ca\u8fd4\u56de\u7684\u7c7b\u578b\u3002\u660e\u786e\u5b9a\u4e49\u7b7e\u540d\u6709\u52a9\u4e8e\u786e\u4fdd\u4e0d\u540c\u6a21\u5757\u4e4b\u95f4\u7684\u6b63\u786e\u4ea4\u4e92\u548c\u7c7b\u578b\u5b89\u5168\u3002<\/p>\n<pre>function calculateArea(float $length, float $width): float {}<\/pre>\n<p><strong>2. \u4f7f\u7528\u7c7b\u578b\u63d0\u793a<\/strong><\/p>\n<p>\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u53ef\u4ee5\u663e\u5f0f\u58f0\u660e\u51fd\u6570\u7684\u53c2\u6570\u7c7b\u578b\u548c\u8fd4\u56de\u503c\u7c7b\u578b\uff0c\u4ece\u800c\u589e\u5f3a\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<pre>function calculateArea(float $length, float $width): float {}<\/pre>\n<p><strong>3. \u907f\u514d\u4f7f\u7528\u53ef\u53d8\u51fd\u6570\u53c2\u6570<\/strong><\/p>\n<p>\u53ef\u53d8\u51fd\u6570\u53c2\u6570\u4f1a\u5bfc\u81f4\u51fd\u6570\u7b7e\u540d\u4e0d\u786e\u5b9a\uff0c\u4ece\u800c\u96be\u4ee5\u91cd\u7528\u3002\u5c3d\u91cf\u907f\u514d\u4f7f\u7528 <code>...<\/code> \u8bed\u6cd5\u3002<\/p>\n<pre>\/\/ \u4e0d\u63a8\u8350\nfunction processData(...$args) {}\n\n\/\/ \u63a8\u8350\nfunction processData(array $args) {}<\/pre>\n<p><strong>4. \u5c06\u529f\u80fd\u62bd\u8c61\u5230\u8f85\u52a9\u51fd\u6570\u4e2d<\/strong><\/p>\n<p>\u5982\u679c\u4e00\u4e2a\u51fd\u6570\u5305\u542b\u590d\u6742\u7684\u6216\u91cd\u590d\u7684\u4ee3\u7801\uff0c\u5c06\u5176\u5206\u89e3\u4e3a\u8f85\u52a9\u51fd\u6570\u6709\u52a9\u4e8e\u63d0\u9ad8\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<pre>function calculateArea(float $length, float $width): float {\n    return calculateRectangleArea($length, $width);\n}\n\nfunction calculateRectangleArea(float $length, float $width): float {\n    return $length * $width;\n}<\/pre>\n<p><strong>5. \u4f7f\u7528\u547d\u540d\u7a7a\u95f4<\/strong><\/p>\n<p>\u5982\u679c\u6709\u591a\u4e2a\u51fd\u6570\u5177\u6709\u76f8\u4f3c\u7684\u540d\u79f0\u6216\u529f\u80fd\uff0c\u4f7f\u7528\u547d\u540d\u7a7a\u95f4\u53ef\u4ee5\u9632\u6b62\u540d\u79f0\u51b2\u7a81\u3002<\/p>\n<pre>namespace Math\\Geometry {\n    function calculateArea(float $length, float $width): float {}\n}<\/pre>\n<p><strong>6. \u7f16\u5199\u5355\u5143\u6d4b\u8bd5<\/strong><\/p>\n<p>\u5355\u5143\u6d4b\u8bd5\u53ef\u4ee5\u9a8c\u8bc1\u51fd\u6570\u5728\u5404\u79cd\u8f93\u5165\u4e0b\u7684\u884c\u4e3a\u3002\u5bf9\u4e8e\u5173\u952e\u529f\u80fd\u6216\u590d\u6742\u51fd\u6570\uff0c\u5355\u5143\u6d4b\u8bd5\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<pre>class AreaCalculatorTest extends PHPUnit_Framework_TestCase {\n    public function testCalculateArea() {\n        $this-&gt;assertEquals(10, calculateArea(5, 2));\n    }\n}<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7528\u4e8e\u8ba1\u7b97\u77e9\u5f62\u9762\u79ef\u7684\u53ef\u91cd\u7528\u51fd\u6570\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>function calculateRectangleArea(float $length, float $width): float {\n    return $length * $width;\n}\n\n\/\/ \u4f7f\u7528\u793a\u4f8b\n$length = 5;\n$width = 10;\n$area = calculateRectangleArea($length, $width);<\/pre>\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>\u521b\u5efa\u53ef\u91cd\u7528 PHP \u51fd\u6570\u7684\u6700\u4f73\u5b9e\u8df5 \u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\u300a\u521b\u5efa\u53ef\u91cd\u7528 PHP \u51fd\u6570\u7684\u6700\u4f73\u5b9e\u8df5\u300b\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9\u6587\u7ae0\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60\u6587\u7ae0\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01 \u5728 PHP \u4e2d\u521b\u5efa\u53ef\u91cd\u7528\u7684\u51fd\u6570\u9700\u8981\u9075\u5faa\u6700\u4f73\u5b9e\u8df5\uff0c\u5305\u62ec\uff1a\u5b9a\u4e49\u660e\u786e\u7684\u51fd\u6570\u7b7e\u540d\uff0c\u5305\u62ec\u51fd\u6570\u540d\u79f0\u3001\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7c7b\u578b\u3002\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u6307\u5b9a\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7684\u7c7b\u578b\uff0c\u589e\u5f3a\u4ee3\u7801\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u907f\u514d\u4f7f\u7528\u53ef\u53d8\u51fd\u6570\u53c2\u6570\uff0c\u4fdd\u6301\u51fd\u6570\u7b7e\u540d\u7684\u786e\u5b9a\u6027\u3002\u5c06\u590d\u6742\u4ee3\u7801\u62bd\u8c61\u5230\u8f85\u52a9\u51fd\u6570\uff0c\u63d0\u9ad8\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u4f7f\u7528\u547d\u540d\u7a7a\u95f4\u9632\u6b62\u51fd\u6570\u540d\u79f0\u51b2\u7a81\uff0c\u7279\u522b\u662f\u5f53\u591a\u4e2a\u51fd\u6570\u5177\u6709\u76f8\u4f3c\u540d\u79f0\u6216\u529f\u80fd\u65f6\u3002\u7f16\u5199\u5355\u5143\u6d4b\u8bd5\u4ee5\u9a8c\u8bc1\u51fd\u6570\u884c\u4e3a\uff0c\u5bf9\u4e8e\u5173\u952e\u529f\u80fd\u6216\u590d\u6742\u51fd\u6570\u5c24\u4e3a\u91cd\u8981\u3002 \u521b\u5efa\u53ef\u91cd\u7528 PHP \u51fd\u6570\u7684\u6700\u4f73\u5b9e\u8df5 \u5728 PHP \u4e2d\u521b\u5efa\u53ef\u91cd\u7528\u7684\u51fd\u6570\u53ef\u4ee5\u6781\u5927\u5730\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002\u4ee5\u4e0b\u662f\u521b\u5efa\u53ef\u91cd\u7528\u51fd\u6570\u7684\u4e00\u4e9b\u6700\u4f73\u5b9e\u8df5\uff1a 1. \u5b9a\u4e49\u660e\u786e\u7684\u51fd\u6570\u7b7e\u540d \u51fd\u6570\u7b7e\u540d\u6307\u5b9a\u4e86\u51fd\u6570\u540d\u79f0\u3001\u63a5\u53d7\u7684\u53c2\u6570\u4ee5\u53ca\u8fd4\u56de\u7684\u7c7b\u578b\u3002\u660e\u786e\u5b9a\u4e49\u7b7e\u540d\u6709\u52a9\u4e8e\u786e\u4fdd\u4e0d\u540c\u6a21\u5757\u4e4b\u95f4\u7684\u6b63\u786e\u4ea4\u4e92\u548c\u7c7b\u578b\u5b89\u5168\u3002 function calculateArea(float $length, float $width): float {} 2. \u4f7f\u7528\u7c7b\u578b\u63d0\u793a \u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u53ef\u4ee5\u663e\u5f0f\u58f0\u660e\u51fd\u6570\u7684\u53c2\u6570\u7c7b\u578b\u548c\u8fd4\u56de\u503c\u7c7b\u578b\uff0c\u4ece\u800c\u589e\u5f3a\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002 function calculateArea(float $length, float $width): float {} 3. \u907f\u514d\u4f7f\u7528\u53ef\u53d8\u51fd\u6570\u53c2\u6570 \u53ef\u53d8\u51fd\u6570\u53c2\u6570\u4f1a\u5bfc\u81f4\u51fd\u6570\u7b7e\u540d\u4e0d\u786e\u5b9a\uff0c\u4ece\u800c\u96be\u4ee5\u91cd\u7528\u3002\u5c3d\u91cf\u907f\u514d\u4f7f\u7528 &#8230; \u8bed\u6cd5\u3002 \/\/ \u4e0d\u63a8\u8350 function processData(&#8230;$args) {} \/\/ \u63a8\u8350 function processData(array $args) {} 4. \u5c06\u529f\u80fd\u62bd\u8c61\u5230\u8f85\u52a9\u51fd\u6570\u4e2d \u5982\u679c\u4e00\u4e2a\u51fd\u6570\u5305\u542b\u590d\u6742\u7684\u6216\u91cd\u590d\u7684\u4ee3\u7801\uff0c\u5c06\u5176\u5206\u89e3\u4e3a\u8f85\u52a9\u51fd\u6570\u6709\u52a9\u4e8e\u63d0\u9ad8\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002 function [&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-46956","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46956","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=46956"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46956\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=46956"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=46956"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=46956"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}