{"id":47100,"date":"2024-12-02T14:24:27","date_gmt":"2024-12-02T06:24:27","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47100\/"},"modified":"2024-12-02T14:24:27","modified_gmt":"2024-12-02T06:24:27","slug":"php-%e5%87%bd%e6%95%b0%e4%b8%ad%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e7%b1%bb%e5%9e%8b%e6%8f%90%e7%a4%ba%e6%9d%a5%e6%8c%87%e5%ae%9a%e5%8f%98%e9%87%8f%e7%b1%bb%e5%9e%8b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47100\/","title":{"rendered":"PHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u6765\u6307\u5b9a\u53d8\u91cf\u7c7b\u578b\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u6765\u6307\u5b9a\u53d8\u91cf\u7c7b\u578b\uff1f<\/h1>\n<p>\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u6765\u6307\u5b9a\u53d8\u91cf\u7c7b\u578b\uff1f\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9&#8230;\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01<\/p>\n<p>PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u6765\u6307\u5b9a\u53d8\u91cf\u7c7b\u578b\uff0c\u4ece\u800c\u63d0\u9ad8\u4ee3\u7801\u53ef\u9760\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u5177\u4f53\u6b65\u9aa4\u5305\u62ec\uff1a\u5728\u51fd\u6570\u7b7e\u540d\u4e2d\u4f7f\u7528\u5192\u53f7\u548c\u7c7b\u578b\u540d\u79f0\u6307\u5b9a\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002PHP \u652f\u6301\u6807\u91cf\u3001\u590d\u5408\u3001\u81ea\u5b9a\u4e49\u3001\u53ef\u7a7a\u548c\u8054\u5408\u7c7b\u578b\u3002\u7c7b\u578b\u63d0\u793a\u6709\u52a9\u4e8e\u786e\u4fdd\u51fd\u6570\u53ea\u63a5\u6536\u548c\u8fd4\u56de\u6307\u5b9a\u7c7b\u578b\u7684\u53c2\u6570\u3002\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u7684\u4f18\u70b9\u5305\u62ec\u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027\u3001\u51cf\u5c11\u9519\u8bef\u548c\u63d0\u9ad8 IDE \u652f\u6301\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241025\/1729866088671ba96878b6d.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u6765\u6307\u5b9a\u53d8\u91cf\u7c7b\u578b\uff1f\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u6765\u6307\u5b9a\u53d8\u91cf\u7c7b\u578b\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u6765\u6307\u5b9a\u53d8\u91cf\u7c7b\u578b<\/strong><\/p>\n<p>\u7c7b\u578b\u63d0\u793a\u5141\u8bb8\u6211\u4eec\u5728\u7f16\u5199 PHP \u51fd\u6570\u65f6\u6307\u5b9a\u51fd\u6570\u7684\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002\u8fd9\u6709\u52a9\u4e8e\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u9760\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<p>\u5728\u51fd\u6570\u7b7e\u540d\u4e2d\u4f7f\u7528 <code>:<\/code> \u7b26\u53f7\u540e\u8ddf\u7c7b\u578b\u540d\u79f0\u6765\u6307\u5b9a\u7c7b\u578b\u63d0\u793a\uff1a<\/p>\n<pre>function functionName(type $param1, type $param2): type {\n    \/\/ \u51fd\u6570\u4f53\n}<\/pre>\n<p><strong>\u652f\u6301\u7684\u7c7b\u578b<\/strong><\/p>\n<p>PHP\u652f\u6301\u591a\u79cd\u7c7b\u578b\u63d0\u793a\uff1a<\/p>\n<ul>\n<li><strong>\u6807\u91cf\u7c7b\u578b\uff1a<\/strong> <code>int<\/code>, <code>float<\/code>, <code>string<\/code>, <code>bool<\/code><\/li>\n<li><strong>\u590d\u5408\u7c7b\u578b\uff1a<\/strong> <code>array<\/code>, <code>object<\/code><\/li>\n<li><strong>\u81ea\u5b9a\u4e49\u7c7b\u578b\uff1a<\/strong> \u81ea\u5b9a\u4e49\u7c7b\u6216\u63a5\u53e3\u540d<\/li>\n<li><strong>\u53ef\u7a7a\u7c7b\u578b\uff1a<\/strong> <code>?type<\/code>\uff0c\u8868\u793a\u8be5\u7c7b\u578b\u53ef\u4ee5\u4e3a\u8be5\u7c7b\u578b\u6216 <code>null<\/code><\/li>\n<li><strong>\u8054\u5408\u7c7b\u578b\uff1a<\/strong> <code>type1|type2<\/code>, \u8868\u793a\u8be5\u7c7b\u578b\u53ef\u4ee5\u4e3a <code>type1<\/code> \u6216 <code>type2<\/code><\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<pre>\/\/ \u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\uff0c\u8ba1\u7b97\u4e24\u4e2a\u6574\u6570\u7684\u548c\nfunction sum(int $num1, int $num2): int {\n    return $num1 + $num2;\n}\n\n\/\/ \u8c03\u7528\u51fd\u6570\n$result = sum(10, 20);\n\n\/\/ \u8f93\u51fa\u7ed3\u679c\necho \"The sum is: $result\";<\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86\u7c7b\u578b\u63d0\u793a\u6765\u786e\u4fdd <code>sum()<\/code> \u51fd\u6570\u53ea\u63a5\u53d7\u6574\u6570\u53c2\u6570\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u6574\u6570\u3002\u8fd9\u786e\u4fdd\u4e86\u51fd\u6570\u7684\u8f93\u5165\u548c\u8f93\u51fa\u7c7b\u578b\u662f\u6b63\u786e\u7684\uff0c\u4ece\u800c\u9632\u6b62\u4e86\u6f5c\u5728\u7684\u9519\u8bef\u3002<\/p>\n<p><strong>\u4f18\u70b9<\/strong><\/p>\n<p>\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u6709\u4ee5\u4e0b\u4f18\u70b9\uff1a<\/p>\n<ul>\n<li><strong>\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff1a<\/strong> \u7c7b\u578b\u63d0\u793a\u4f7f\u5f97\u51fd\u6570\u7b7e\u540d\u4e2d\u5305\u542b\u7684\u4fe1\u606f\u66f4\u6e05\u695a\u3002<\/li>\n<li><strong>\u51cf\u5c11\u9519\u8bef\uff1a<\/strong> \u901a\u8fc7\u660e\u786e\u6307\u5b9a\u8f93\u5165\u548c\u8f93\u51fa\u7c7b\u578b\uff0c\u53ef\u4ee5\u5e2e\u52a9\u9632\u6b62\u4f20\u5165\u6216\u8fd4\u56de\u4e0d\u6b63\u786e\u7c7b\u578b\u7684\u503c\u3002<\/li>\n<li><strong>\u63d0\u9ad8IDE\u652f\u6301\uff1a<\/strong> \u73b0\u4ee3IDE\u53ef\u4ee5\u5229\u7528\u7c7b\u578b\u63d0\u793a\u6765\u63d0\u4f9b\u4ee3\u7801\u5b8c\u6210\u529f\u80fd\u548c\u9519\u8bef\u68c0\u67e5\u3002<\/li>\n<\/ul>\n<p>\u672c\u7bc7\u5173\u4e8e\u300aPHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u6765\u6307\u5b9a\u53d8\u91cf\u7c7b\u578b\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u6765\u6307\u5b9a\u53d8\u91cf\u7c7b\u578b\uff1f \u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\u300aPHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u6765\u6307\u5b9a\u53d8\u91cf\u7c7b\u578b\uff1f\u300b\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b\u7b49\u7b49\u77e5\u8bc6\u70b9&#8230;\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01 PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u6765\u6307\u5b9a\u53d8\u91cf\u7c7b\u578b\uff0c\u4ece\u800c\u63d0\u9ad8\u4ee3\u7801\u53ef\u9760\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u5177\u4f53\u6b65\u9aa4\u5305\u62ec\uff1a\u5728\u51fd\u6570\u7b7e\u540d\u4e2d\u4f7f\u7528\u5192\u53f7\u548c\u7c7b\u578b\u540d\u79f0\u6307\u5b9a\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002PHP \u652f\u6301\u6807\u91cf\u3001\u590d\u5408\u3001\u81ea\u5b9a\u4e49\u3001\u53ef\u7a7a\u548c\u8054\u5408\u7c7b\u578b\u3002\u7c7b\u578b\u63d0\u793a\u6709\u52a9\u4e8e\u786e\u4fdd\u51fd\u6570\u53ea\u63a5\u6536\u548c\u8fd4\u56de\u6307\u5b9a\u7c7b\u578b\u7684\u53c2\u6570\u3002\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u7684\u4f18\u70b9\u5305\u62ec\u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027\u3001\u51cf\u5c11\u9519\u8bef\u548c\u63d0\u9ad8 IDE \u652f\u6301\u3002 PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u6765\u6307\u5b9a\u53d8\u91cf\u7c7b\u578b \u7c7b\u578b\u63d0\u793a\u5141\u8bb8\u6211\u4eec\u5728\u7f16\u5199 PHP \u51fd\u6570\u65f6\u6307\u5b9a\u51fd\u6570\u7684\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002\u8fd9\u6709\u52a9\u4e8e\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u9760\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002 \u8bed\u6cd5 \u5728\u51fd\u6570\u7b7e\u540d\u4e2d\u4f7f\u7528 : \u7b26\u53f7\u540e\u8ddf\u7c7b\u578b\u540d\u79f0\u6765\u6307\u5b9a\u7c7b\u578b\u63d0\u793a\uff1a function functionName(type $param1, type $param2): type { \/\/ \u51fd\u6570\u4f53 } \u652f\u6301\u7684\u7c7b\u578b PHP\u652f\u6301\u591a\u79cd\u7c7b\u578b\u63d0\u793a\uff1a \u6807\u91cf\u7c7b\u578b\uff1a int, float, string, bool \u590d\u5408\u7c7b\u578b\uff1a array, object \u81ea\u5b9a\u4e49\u7c7b\u578b\uff1a \u81ea\u5b9a\u4e49\u7c7b\u6216\u63a5\u53e3\u540d \u53ef\u7a7a\u7c7b\u578b\uff1a ?type\uff0c\u8868\u793a\u8be5\u7c7b\u578b\u53ef\u4ee5\u4e3a\u8be5\u7c7b\u578b\u6216 null \u8054\u5408\u7c7b\u578b\uff1a type1|type2, \u8868\u793a\u8be5\u7c7b\u578b\u53ef\u4ee5\u4e3a type1 \u6216 type2 \u5b9e\u6218\u6848\u4f8b \/\/ \u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\uff0c\u8ba1\u7b97\u4e24\u4e2a\u6574\u6570\u7684\u548c function sum(int $num1, [&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-47100","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47100","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=47100"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47100\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47100"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47100"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47100"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}