{"id":46907,"date":"2024-12-02T09:33:38","date_gmt":"2024-12-02T01:33:38","guid":{"rendered":"https:\/\/fwq.ai\/blog\/46907\/"},"modified":"2024-12-02T09:33:38","modified_gmt":"2024-12-02T01:33:38","slug":"%e5%a6%82%e4%bd%95%e6%b5%8b%e8%af%95-php-%e5%87%bd%e6%95%b0%e7%9a%84%e8%be%b9%e9%99%85%e6%83%85%e5%86%b5%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/46907\/","title":{"rendered":"\u5982\u4f55\u6d4b\u8bd5 PHP \u51fd\u6570\u7684\u8fb9\u9645\u60c5\u51b5\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u6d4b\u8bd5 PHP \u51fd\u6570\u7684\u8fb9\u9645\u60c5\u51b5\uff1f<\/h1>\n<p>\u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u662f\u7ed3\u5408\u6211\u4e4b\u524d\u9762\u8bd5\u7684\u5404\u79cd\u7ecf\u5386\u548c\u5b9e\u6218\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\u89e3\u51b3\u7ecf\u9a8c\u6574\u7406\u7684\uff0c\u5e0c\u671b\u8fd9\u7bc7\u300a\u5982\u4f55\u6d4b\u8bd5 PHP \u51fd\u6570\u7684\u8fb9\u9645\u60c5\u51b5\uff1f\u300b\u5bf9\u4f60\u6709\u5f88\u5927\u5e2e\u52a9\uff01\u6b22\u8fce\u6536\u85cf\uff0c\u5206\u4eab\u7ed9\u66f4\u591a\u7684\u9700\u8981\u7684\u670b\u53cb\u5b66\u4e60~<\/p>\n<p>\u6d4b\u8bd5 PHP \u51fd\u6570\u7684\u8fb9\u9645\u60c5\u51b5\u5bf9\u4e8e\u786e\u4fdd\u5e94\u7528\u7a0b\u5e8f\u7684\u53ef\u9760\u6027\u81f3\u5173\u91cd\u8981\u3002\u5e38\u7528\u7684\u65b9\u6cd5\u5305\u62ec\uff1a1. \u6d4b\u8bd5\u8f93\u5165\u8303\u56f4\u7684\u8fb9\u754c\u503c\uff0c\u5305\u62ec\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u30022. \u63d0\u4f9b\u4e0d\u7b26\u5408\u9884\u671f\u683c\u5f0f\u6216\u8303\u56f4\u7684\u8f93\u5165\u6570\u636e\u30023. \u5904\u7406\u53ef\u80fd\u5bfc\u81f4\u610f\u5916\u7ed3\u679c\u7684\u7279\u6b8a\u573a\u666f\uff0c\u5982 null \u503c\u6216\u7a7a\u5b57\u7b26\u4e32\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241025\/1729854084671b7a84213c8.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u6d4b\u8bd5 PHP \u51fd\u6570\u7684\u8fb9\u9645\u60c5\u51b5\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u6d4b\u8bd5 PHP \u51fd\u6570\u7684\u8fb9\u9645\u60c5\u51b5\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u6d4b\u8bd5 PHP \u51fd\u6570\u7684\u8fb9\u9645\u60c5\u51b5<\/strong><\/p>\n<p><strong>\u524d\u8a00<\/strong><\/p>\n<p>\u6d4b\u8bd5\u51fd\u6570\u7684\u8fb9\u9645\u60c5\u51b5\u5bf9\u4e8e\u786e\u4fdd\u5e94\u7528\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u548c\u53ef\u9760\u6027\u81f3\u5173\u91cd\u8981\u3002\u8fb9\u9645\u60c5\u51b5\u662f\u8f93\u5165\u6216\u6761\u4ef6\u7684\u6781\u503c\u6216\u5f02\u5e38\u503c\uff0c\u5b83\u4eec\u53ef\u80fd\u5bfc\u81f4\u51fd\u6570\u7684\u4e0d\u53ef\u9884\u6d4b\u884c\u4e3a\u3002<\/p>\n<p><strong>\u65b9\u6cd5<\/strong><\/p>\n<p>\u6d4b\u8bd5\u8fb9\u9645\u60c5\u51b5\u7684\u5e38\u7528\u65b9\u6cd5\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u6781\u9650\u503c\uff1a<\/strong>\u6d4b\u8bd5\u8f93\u5165\u8303\u56f4\u7684\u8fb9\u754c\u503c\uff0c\u5305\u62ec\u6700\u5c0f\u503c\u3001\u6700\u5927\u503c\u548c\u4efb\u4f55\u9650\u5236\u3002<\/li>\n<li><strong>\u6d4b\u8bd5\u65e0\u6548\u8f93\u5165\uff1a<\/strong>\u63d0\u4f9b\u8f93\u5165\u6570\u636e\uff0c\u8be5\u6570\u636e\u4e0d\u7b26\u5408\u51fd\u6570\u9884\u671f\u7684\u683c\u5f0f\u6216\u8303\u56f4\u3002<\/li>\n<li><strong>\u6d4b\u8bd5\u7279\u6b8a\u6848\u4f8b\uff1a<\/strong>\u5904\u7406\u53ef\u80fd\u5bfc\u81f4\u610f\u5916\u7ed3\u679c\u7684\u7279\u6b8a\u573a\u666f\uff0c\u4f8b\u5982 null \u503c\u6216\u7a7a\u5b57\u7b26\u4e32\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8ba9\u6211\u4eec\u4ee5 <code>calculateArea()<\/code> \u51fd\u6570\u4e3a\u4f8b\uff0c\u8be5\u51fd\u6570\u8ba1\u7b97\u7ed9\u5b9a\u5bbd\u5ea6\u548c\u9ad8\u5ea6\u7684\u77e9\u5f62\u9762\u79ef\u3002<\/p>\n<p><strong>\u4ee3\u7801\uff1a<\/strong><\/p>\n<pre>function calculateArea(float $width, float $height): float\n{\n    return $width * $height;\n}<\/pre>\n<p><strong>\u6d4b\u8bd5\u7528\u4f8b\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p><strong>\u6781\u9650\u503c\uff1a<\/strong><\/p>\n<ul>\n<li>\u6d4b\u8bd5\u51fd\u6570\u4f7f\u7528\u6700\u5c0f\u5bbd\u5ea6\u548c\u9ad8\u5ea6\uff08\u4f8b\u5982 0\uff09<\/li>\n<li>\u6d4b\u8bd5\u51fd\u6570\u4f7f\u7528\u6700\u5927\u5bbd\u5ea6\u548c\u9ad8\u5ea6\uff08\u5982\u6709\u9650\u5236\uff09<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u65e0\u6548\u8f93\u5165\uff1a<\/strong><\/p>\n<ul>\n<li>\u63d0\u4f9b\u8d1f\u6570\u6216\u975e\u6570\u5b57\u5bbd\u5ea6\u6216\u9ad8\u5ea6<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u7279\u6b8a\u6848\u4f8b\uff1a<\/strong><\/p>\n<ul>\n<li>\u6d4b\u8bd5\u63d0\u4f9b null \u503c\u6216\u7a7a\u5b57\u7b26\u4e32\u4f5c\u4e3a\u5bbd\u5ea6\u6216\u9ad8\u5ea6<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>\u6d4b\u8bd5\u4ee3\u7801\uff1a<\/strong><\/p>\n<pre>use PHPUnit\\Framework\\TestCase;\n\nclass CalculateAreaTest extends TestCase\n{\n    public function testCalculateArea()\n    {\n        \/\/ \u6d4b\u8bd5\u6781\u9650\u503c\n        $this-&gt;assertEquals(0, calculateArea(0, 0));\n        $this-&gt;assertEquals(100, calculateArea(10, 10));\n\n        \/\/ \u6d4b\u8bd5\u65e0\u6548\u8f93\u5165\n        $this-&gt;expectException(TypeError::class);\n        calculateArea(-1, 10);\n\n        \/\/ \u6d4b\u8bd5\u7279\u6b8a\u6848\u4f8b\n        $this-&gt;expectException(TypeError::class);\n        calculateArea(null, 10);\n        calculateArea('', 10);\n    }\n}<\/pre>\n<p>\u8fd9\u53ea\u662f\u6d4b\u8bd5\u8fb9\u9645\u60c5\u51b5\u7684\u4e00\u79cd\u65b9\u6cd5\u3002\u6839\u636e\u6240\u6d4b\u8bd5\u7684\u51fd\u6570\u548c\u7279\u5b9a\u9700\u6c42\uff0c\u53ef\u4ee5\u91c7\u7528\u5176\u4ed6\u6280\u672f\u3002<\/p>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u5982\u4f55\u6d4b\u8bd5 PHP \u51fd\u6570\u7684\u8fb9\u9645\u60c5\u51b5\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u7c73\u4e91\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u6d4b\u8bd5 PHP \u51fd\u6570\u7684\u8fb9\u9645\u60c5\u51b5\uff1f \u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u662f\u7ed3\u5408\u6211\u4e4b\u524d\u9762\u8bd5\u7684\u5404\u79cd\u7ecf\u5386\u548c\u5b9e\u6218\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\u89e3\u51b3\u7ecf\u9a8c\u6574\u7406\u7684\uff0c\u5e0c\u671b\u8fd9\u7bc7\u300a\u5982\u4f55\u6d4b\u8bd5 PHP \u51fd\u6570\u7684\u8fb9\u9645\u60c5\u51b5\uff1f\u300b\u5bf9\u4f60\u6709\u5f88\u5927\u5e2e\u52a9\uff01\u6b22\u8fce\u6536\u85cf\uff0c\u5206\u4eab\u7ed9\u66f4\u591a\u7684\u9700\u8981\u7684\u670b\u53cb\u5b66\u4e60~ \u6d4b\u8bd5 PHP \u51fd\u6570\u7684\u8fb9\u9645\u60c5\u51b5\u5bf9\u4e8e\u786e\u4fdd\u5e94\u7528\u7a0b\u5e8f\u7684\u53ef\u9760\u6027\u81f3\u5173\u91cd\u8981\u3002\u5e38\u7528\u7684\u65b9\u6cd5\u5305\u62ec\uff1a1. \u6d4b\u8bd5\u8f93\u5165\u8303\u56f4\u7684\u8fb9\u754c\u503c\uff0c\u5305\u62ec\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u30022. \u63d0\u4f9b\u4e0d\u7b26\u5408\u9884\u671f\u683c\u5f0f\u6216\u8303\u56f4\u7684\u8f93\u5165\u6570\u636e\u30023. \u5904\u7406\u53ef\u80fd\u5bfc\u81f4\u610f\u5916\u7ed3\u679c\u7684\u7279\u6b8a\u573a\u666f\uff0c\u5982 null \u503c\u6216\u7a7a\u5b57\u7b26\u4e32\u3002 \u5982\u4f55\u6d4b\u8bd5 PHP \u51fd\u6570\u7684\u8fb9\u9645\u60c5\u51b5 \u524d\u8a00 \u6d4b\u8bd5\u51fd\u6570\u7684\u8fb9\u9645\u60c5\u51b5\u5bf9\u4e8e\u786e\u4fdd\u5e94\u7528\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u548c\u53ef\u9760\u6027\u81f3\u5173\u91cd\u8981\u3002\u8fb9\u9645\u60c5\u51b5\u662f\u8f93\u5165\u6216\u6761\u4ef6\u7684\u6781\u503c\u6216\u5f02\u5e38\u503c\uff0c\u5b83\u4eec\u53ef\u80fd\u5bfc\u81f4\u51fd\u6570\u7684\u4e0d\u53ef\u9884\u6d4b\u884c\u4e3a\u3002 \u65b9\u6cd5 \u6d4b\u8bd5\u8fb9\u9645\u60c5\u51b5\u7684\u5e38\u7528\u65b9\u6cd5\u5305\u62ec\uff1a \u4f7f\u7528\u6781\u9650\u503c\uff1a\u6d4b\u8bd5\u8f93\u5165\u8303\u56f4\u7684\u8fb9\u754c\u503c\uff0c\u5305\u62ec\u6700\u5c0f\u503c\u3001\u6700\u5927\u503c\u548c\u4efb\u4f55\u9650\u5236\u3002 \u6d4b\u8bd5\u65e0\u6548\u8f93\u5165\uff1a\u63d0\u4f9b\u8f93\u5165\u6570\u636e\uff0c\u8be5\u6570\u636e\u4e0d\u7b26\u5408\u51fd\u6570\u9884\u671f\u7684\u683c\u5f0f\u6216\u8303\u56f4\u3002 \u6d4b\u8bd5\u7279\u6b8a\u6848\u4f8b\uff1a\u5904\u7406\u53ef\u80fd\u5bfc\u81f4\u610f\u5916\u7ed3\u679c\u7684\u7279\u6b8a\u573a\u666f\uff0c\u4f8b\u5982 null \u503c\u6216\u7a7a\u5b57\u7b26\u4e32\u3002 \u5b9e\u6218\u6848\u4f8b \u8ba9\u6211\u4eec\u4ee5 calculateArea() \u51fd\u6570\u4e3a\u4f8b\uff0c\u8be5\u51fd\u6570\u8ba1\u7b97\u7ed9\u5b9a\u5bbd\u5ea6\u548c\u9ad8\u5ea6\u7684\u77e9\u5f62\u9762\u79ef\u3002 \u4ee3\u7801\uff1a function calculateArea(float $width, float $height): float { return $width * $height; } \u6d4b\u8bd5\u7528\u4f8b\uff1a \u6781\u9650\u503c\uff1a \u6d4b\u8bd5\u51fd\u6570\u4f7f\u7528\u6700\u5c0f\u5bbd\u5ea6\u548c\u9ad8\u5ea6\uff08\u4f8b\u5982 0\uff09 \u6d4b\u8bd5\u51fd\u6570\u4f7f\u7528\u6700\u5927\u5bbd\u5ea6\u548c\u9ad8\u5ea6\uff08\u5982\u6709\u9650\u5236\uff09 \u65e0\u6548\u8f93\u5165\uff1a \u63d0\u4f9b\u8d1f\u6570\u6216\u975e\u6570\u5b57\u5bbd\u5ea6\u6216\u9ad8\u5ea6 \u7279\u6b8a\u6848\u4f8b\uff1a \u6d4b\u8bd5\u63d0\u4f9b null \u503c\u6216\u7a7a\u5b57\u7b26\u4e32\u4f5c\u4e3a\u5bbd\u5ea6\u6216\u9ad8\u5ea6 \u6d4b\u8bd5\u4ee3\u7801\uff1a [&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-46907","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46907","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=46907"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46907\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=46907"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=46907"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=46907"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}