{"id":47168,"date":"2024-12-02T11:05:36","date_gmt":"2024-12-02T03:05:36","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47168\/"},"modified":"2024-12-02T11:05:36","modified_gmt":"2024-12-02T03:05:36","slug":"%e5%a6%82%e4%bd%95%e6%8f%90%e9%ab%98-php-%e5%87%bd%e6%95%b0%e7%9a%84%e4%bb%a3%e7%a0%81%e8%b4%a8%e9%87%8f%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47168\/","title":{"rendered":"\u5982\u4f55\u63d0\u9ad8 PHP \u51fd\u6570\u7684\u4ee3\u7801\u8d28\u91cf\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u5982\u4f55\u63d0\u9ad8 PHP \u51fd\u6570\u7684\u4ee3\u7801\u8d28\u91cf\uff1f<\/h1>\n

\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300a\u5982\u4f55\u63d0\u9ad8 PHP \u51fd\u6570\u7684\u4ee3\u7801\u8d28\u91cf\uff1f\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01<\/p>\n

\"\u5982\u4f55\u63d0\u9ad8<\/p>\n

\u63d0\u9ad8 PHP \u51fd\u6570\u4ee3\u7801\u8d28\u91cf\u7684\u6280\u5de7<\/h2>\n

1. \u4f7f\u7528\u7c7b\u578b\u63d0\u793a<\/strong><\/p>\n

\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u660e\u786e\u51fd\u6570\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002\u8fd9\u6709\u52a9\u4e8e\u4ee3\u7801\u91cd\u6784\u3001\u7c7b\u578b\u68c0\u67e5\u548c\u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027\u3002<\/p>\n

function sum(int $a, int $b): int\n{\n    return $a + $b;\n}<\/pre>\n
2. \u4f7f\u7528\u9ed8\u8ba4\u503c<\/strong><\/p>\n
\u4e3a\u51fd\u6570\u53c2\u6570\u8bbe\u7f6e\u9ed8\u8ba4\u503c\u53ef\u4ee5\u7b80\u5316\u51fd\u6570\u8c03\u7528\u5e76\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002<\/p>\n
function printMessage(string $message = 'Hello world!')\n{\n    echo $message;\n}<\/pre>\n
3. \u4f7f\u7528\u6587\u6863\u6ce8\u91ca<\/strong><\/p>\n
\u4f7f\u7528\u6587\u6863\u6ce8\u91ca\u63cf\u8ff0\u51fd\u6570\u7684\u76ee\u7684\u3001\u53c2\u6570\u548c\u8fd4\u56de\u503c\u3002\u8fd9\u6709\u52a9\u4e8e\u6587\u6863\u751f\u6210\u548c\u63d0\u9ad8\u4ee3\u7801\u7406\u89e3\u3002<\/p>\n
\/**\n * \u6c42\u4e24\u4e2a\u6570\u5b57\u7684\u548c\n *\n * @param int $a \u7b2c\u4e00\u4e2a\u6570\u5b57\n * @param int $b \u7b2c\u4e8c\u4e2a\u6570\u5b57\n * @return int \u4e24\u4e2a\u6570\u5b57\u7684\u548c\n *\/\nfunction sum(int $a, int $b): int\n{\n    return $a + $b;\n}<\/pre>\n
4. \u4f7f\u7528\u975e\u7a7a\u65ad\u8a00<\/strong><\/p>\n
\u4f7f\u7528\u975e\u7a7a\u65ad\u8a00\u786e\u4fdd\u51fd\u6570\u53c2\u6570\u4e0d\u4e3a null\uff0c\u907f\u514d\u51fa\u73b0\u8fd0\u884c\u65f6\u9519\u8bef\u3002<\/p>\n
function validateUser(string $username, string $password)\n{\n    assert(!empty($username));\n    assert(!empty($password));\n\n    \/\/ \u8fdb\u4e00\u6b65\u9a8c\u8bc1\u903b\u8f91...\n}<\/pre>\n
5. \u907f\u514d\u8fc7\u957f\u7684\u51fd\u6570<\/strong><\/p>\n
\u5c06\u957f\u51fd\u6570\u5206\u89e3\u6210\u8f83\u5c0f\u7684\u51fd\u6570\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u8bfb\u6027\u3002<\/p>\n
\/\/ \u957f\u51fd\u6570\nfunction doEverything()\n{\n    \/\/ \u6267\u884c\u4e00\u7cfb\u5217\u590d\u6742\u7684\u903b\u8f91\n}\n\n\/\/ \u5206\u89e3\u540e\u7684\u51fd\u6570\nfunction validateData()\n{\n    \/\/ \u6267\u884c\u6570\u636e\u9a8c\u8bc1\u903b\u8f91\n}\n\nfunction processData()\n{\n    \/\/ \u6267\u884c\u6570\u636e\u5904\u7406\u903b\u8f91\n}\n\nfunction storeData()\n{\n    \/\/ \u6267\u884c\u6570\u636e\u5b58\u50a8\u903b\u8f91\n}<\/pre>\n
\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
<?php\n\n\/\/ \u5b9a\u4e49\u4e00\u4e2a\u6c42\u4e24\u4e2a\u6570\u5b57\u548c\u7684\u51fd\u6570\nfunction sum(int $a, int $b): int\n{\n    if (!is_int($a) || !is_int($b)) {\n        throw new InvalidArgumentException('Parameters must be integers.');\n    }\n\n    return $a + $b;\n}\n\n\/\/ \u6d4b\u8bd5\u51fd\u6570\n$result = sum(10, 20);\n\n\/\/ \u8f93\u51fa\u7ed3\u679c\necho \"The sum is: $result\\n\";<\/pre>\n
\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u5982\u4f55\u63d0\u9ad8 PHP \u51fd\u6570\u7684\u4ee3\u7801\u8d28\u91cf\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":"
\u5982\u4f55\u63d0\u9ad8 PHP \u51fd\u6570\u7684\u4ee3\u7801\u8d28\u91cf\uff1f \u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300a\u5982\u4f55\u63d0\u9ad8 PHP \u51fd\u6570\u7684\u4ee3\u7801\u8d28\u91cf\uff1f\u300b\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01 \u63d0\u9ad8 PHP \u51fd\u6570\u4ee3\u7801\u8d28\u91cf\u7684\u6280\u5de7 1. \u4f7f\u7528\u7c7b\u578b\u63d0\u793a \u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u660e\u786e\u51fd\u6570\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002\u8fd9\u6709\u52a9\u4e8e\u4ee3\u7801\u91cd\u6784\u3001\u7c7b\u578b\u68c0\u67e5\u548c\u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027\u3002 function sum(int $a, int $b): int { return $a + $b; } 2. \u4f7f\u7528\u9ed8\u8ba4\u503c \u4e3a\u51fd\u6570\u53c2\u6570\u8bbe\u7f6e\u9ed8\u8ba4\u503c\u53ef\u4ee5\u7b80\u5316\u51fd\u6570\u8c03\u7528\u5e76\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002 function printMessage(string $message = ‘Hello world!’) { echo $message; } 3. \u4f7f\u7528\u6587\u6863\u6ce8\u91ca \u4f7f\u7528\u6587\u6863\u6ce8\u91ca\u63cf\u8ff0\u51fd\u6570\u7684\u76ee\u7684\u3001\u53c2\u6570\u548c\u8fd4\u56de\u503c\u3002\u8fd9\u6709\u52a9\u4e8e\u6587\u6863\u751f\u6210\u548c\u63d0\u9ad8\u4ee3\u7801\u7406\u89e3\u3002 \/** * \u6c42\u4e24\u4e2a\u6570\u5b57\u7684\u548c * * @param int $a \u7b2c\u4e00\u4e2a\u6570\u5b57 * @param int $b \u7b2c\u4e8c\u4e2a\u6570\u5b57 * […]<\/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-47168","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47168","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=47168"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47168\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47168"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47168"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47168"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}