{"id":47645,"date":"2024-12-02T17:52:45","date_gmt":"2024-12-02T09:52:45","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47645\/"},"modified":"2024-12-02T17:52:45","modified_gmt":"2024-12-02T09:52:45","slug":"php%e5%87%bd%e6%95%b0%e5%a6%82%e4%bd%95%e5%a4%84%e7%90%86%e5%8f%af%e9%80%89%e5%8f%82%e6%95%b0%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47645\/","title":{"rendered":"PHP\u51fd\u6570\u5982\u4f55\u5904\u7406\u53ef\u9009\u53c2\u6570\uff1f"},"content":{"rendered":"

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

PHP\u51fd\u6570\u5982\u4f55\u5904\u7406\u53ef\u9009\u53c2\u6570\uff1f<\/h1>\n

\u6587\u7ae0<\/span>\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300aPHP\u51fd\u6570\u5982\u4f55\u5904\u7406\u53ef\u9009\u53c2\u6570\uff1f\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u5728\u770b\u5b8c\u672c\u7bc7\u6587\u7ae0\u540e\uff0c\u6709\u66f4\u597d\u7684\u5efa\u8bae\u6216\u8005\u53d1\u73b0\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u79ef\u6781\u8bc4\u8bba\u6307\u51fa\uff0c\u8c22\u8c22\uff01\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u52a0\u6cb9\u8fdb\u6b65\uff01<\/p>\n

\"PHP\u51fd\u6570\u5982\u4f55\u5904\u7406\u53ef\u9009\u53c2\u6570\uff1f\u63d2\u56fe\"<\/p>\n

PHP \u51fd\u6570\u5982\u4f55\u5904\u7406\u53ef\u9009\u53c2\u6570\uff1f<\/strong><\/p>\n

\u7b80\u4ecb<\/strong><\/p>\n

PHP \u4e2d\u7684\u53ef\u9009\u53c2\u6570\u5141\u8bb8\u6211\u4eec\u5728\u8c03\u7528\u51fd\u6570\u65f6\u63d0\u4f9b\u7f3a\u7701\u503c\uff0c\u89e3\u51b3\u8bb8\u591a\u573a\u666f\u4e0b\u7684\u95ee\u9898\uff0c\u6709\u6548\u7b80\u5316\u51fd\u6570\u7684\u8c03\u7528\u8fc7\u7a0b\u3002<\/p>\n

\u51fd\u6570\u5b9a\u4e49<\/strong><\/p>\n

\u8981\u58f0\u660e\u4e00\u4e2a\u5e26\u6709\u53ef\u9009\u53c2\u6570\u7684\u51fd\u6570\uff0c\u9700\u8981\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n

function functionName(\u53c2\u6570\u5217\u8868\uff0c\u9ed8\u8ba4\u503c) {\n    \/\/ \u51fd\u6570\u4e3b\u4f53\n}<\/pre>\n
\u4f8b\u5982\uff1a<\/p>\n
function greeting(string $name = 'World') {\n    echo \"Hello, $name!\";\n}<\/pre>\n
\u8c03\u7528\u51fd\u6570<\/strong><\/p>\n
\u8c03\u7528\u5305\u542b\u53ef\u9009\u53c2\u6570\u7684\u51fd\u6570\u65f6\uff0c\u5982\u679c\u672a\u6307\u5b9a\u53c2\u6570\u503c\uff0c\u5219\u4f7f\u7528\u9ed8\u8ba4\u503c\u3002<\/p>\n
greeting(); \/\/ \u8f93\u51fa Hello, World!\ngreeting('Alice'); \/\/ \u8f93\u51fa Hello, Alice!<\/pre>\n
\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
\u4f8b 1\uff1a\u7b80\u5316\u7528\u6237\u8f93\u5165<\/strong><\/p>\n
function userForm(string $firstName, string $lastName = '') {\n    if (empty($lastName)) {\n        $lastName = 'Unknown';\n    }\n    \n    \/\/ \u5904\u7406\u7528\u6237\u8f93\u5165\n}<\/pre>\n
\u5728\u8fd9\u91cc\uff0c\u5982\u679c\u7528\u6237\u672a\u63d0\u4f9b\u59d3\u6c0f\uff0c\u5219\u51fd\u6570\u4f1a\u81ea\u52a8\u5c06\u5176\u8bbe\u7f6e\u4e3a “Unknown”\uff0c\u7b80\u5316\u4e86\u8868\u5355\u9a8c\u8bc1\u8fc7\u7a0b\u3002<\/p>\n
\u4f8b 2\uff1a\u8ba1\u7b97\u6700\u5c0f\u503c<\/strong><\/p>\n
function min(int $num1, int $num2 = PHP_INT_MAX) {\n    return $num1 < $num2 ? $num1 : $num2;\n}<\/pre>\n
\u9ed8\u8ba4\u8bbe\u7f6e $num2<\/code> \u4e3a PHP \u4e2d\u7684\u6700\u5927\u6574\u6570 PHP_INT_MAX<\/code>\uff0c\u786e\u4fdd $num1<\/code> \u59cb\u7ec8\u662f\u4f20\u5165\u7684\u4e24\u4e2a\u6570\u5b57\u4e2d\u7684\u6700\u5c0f\u503c\u3002<\/p>\n
\u7ed3\u8bba<\/strong><\/p>\n
PHP \u4e2d\u7684\u53ef\u9009\u53c2\u6570\u63d0\u4f9b\u4e86\u6781\u5927\u7684\u7075\u6d3b\u6027\uff0c\u4f7f\u6211\u4eec\u80fd\u591f\u521b\u5efa\u53ef\u91cd\u7528\u4e14\u6613\u4e8e\u8c03\u7528\u7684\u51fd\u6570\u3002\u901a\u8fc7\u7cbe\u5fc3\u8bbe\u8ba1\u9ed8\u8ba4\u503c\uff0c\u6211\u4eec\u53ef\u4ee5\u7b80\u5316\u7528\u6237\u8f93\u5165\u3001\u589e\u5f3a\u9519\u8bef\u5904\u7406\u5e76\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002<\/p>\n
\u4eca\u5929\u5173\u4e8e\u300aPHP\u51fd\u6570\u5982\u4f55\u5904\u7406\u53ef\u9009\u53c2\u6570\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8ephp,\u53ef\u9009\u53c2\u6570\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
PHP\u51fd\u6570\u5982\u4f55\u5904\u7406\u53ef\u9009\u53c2\u6570\uff1f \u6587\u7ae0\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300aPHP\u51fd\u6570\u5982\u4f55\u5904\u7406\u53ef\u9009\u53c2\u6570\uff1f\u300b\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u5728\u770b\u5b8c\u672c\u7bc7\u6587\u7ae0\u540e\uff0c\u6709\u66f4\u597d\u7684\u5efa\u8bae\u6216\u8005\u53d1\u73b0\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u79ef\u6781\u8bc4\u8bba\u6307\u51fa\uff0c\u8c22\u8c22\uff01\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u52a0\u6cb9\u8fdb\u6b65\uff01 PHP \u51fd\u6570\u5982\u4f55\u5904\u7406\u53ef\u9009\u53c2\u6570\uff1f \u7b80\u4ecb PHP \u4e2d\u7684\u53ef\u9009\u53c2\u6570\u5141\u8bb8\u6211\u4eec\u5728\u8c03\u7528\u51fd\u6570\u65f6\u63d0\u4f9b\u7f3a\u7701\u503c\uff0c\u89e3\u51b3\u8bb8\u591a\u573a\u666f\u4e0b\u7684\u95ee\u9898\uff0c\u6709\u6548\u7b80\u5316\u51fd\u6570\u7684\u8c03\u7528\u8fc7\u7a0b\u3002 \u51fd\u6570\u5b9a\u4e49 \u8981\u58f0\u660e\u4e00\u4e2a\u5e26\u6709\u53ef\u9009\u53c2\u6570\u7684\u51fd\u6570\uff0c\u9700\u8981\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a function functionName(\u53c2\u6570\u5217\u8868\uff0c\u9ed8\u8ba4\u503c) { \/\/ \u51fd\u6570\u4e3b\u4f53 } \u4f8b\u5982\uff1a function greeting(string $name = ‘World’) { echo “Hello, $name!”; } \u8c03\u7528\u51fd\u6570 \u8c03\u7528\u5305\u542b\u53ef\u9009\u53c2\u6570\u7684\u51fd\u6570\u65f6\uff0c\u5982\u679c\u672a\u6307\u5b9a\u53c2\u6570\u503c\uff0c\u5219\u4f7f\u7528\u9ed8\u8ba4\u503c\u3002 greeting(); \/\/ \u8f93\u51fa Hello, World! greeting(‘Alice’); \/\/ \u8f93\u51fa Hello, Alice! \u5b9e\u6218\u6848\u4f8b \u4f8b 1\uff1a\u7b80\u5316\u7528\u6237\u8f93\u5165 function userForm(string $firstName, string $lastName = ”) { if (empty($lastName)) { $lastName = ‘Unknown’; […]<\/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-47645","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47645","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=47645"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47645\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47645"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47645"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}