{"id":48228,"date":"2024-12-02T08:46:08","date_gmt":"2024-12-02T00:46:08","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48228\/"},"modified":"2024-12-02T08:46:08","modified_gmt":"2024-12-02T00:46:08","slug":"%e5%91%bd%e5%90%8d%e5%8f%82%e6%95%b0%e5%9c%a8-php-7-%e4%b8%ad%e7%9a%84%e6%96%b0%e7%89%b9%e6%80%a7%e5%92%8c%e6%94%b9%e8%bf%9b","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48228\/","title":{"rendered":"\u547d\u540d\u53c2\u6570\u5728 PHP 7 \u4e2d\u7684\u65b0\u7279\u6027\u548c\u6539\u8fdb"},"content":{"rendered":"

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

\u547d\u540d\u53c2\u6570\u5728 PHP 7 \u4e2d\u7684\u65b0\u7279\u6027\u548c\u6539\u8fdb<\/h1>\n

\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\u547d\u540d\u53c2\u6570\u5728 PHP 7 \u4e2d\u7684\u65b0\u7279\u6027\u548c\u6539\u8fdb\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

\u662f\u7684\uff0cPHP 7 \u5f15\u5165\u4e86\u547d\u540d\u53c2\u6570\uff0c\u5141\u8bb8\u60a8\u4f7f\u7528\u53c2\u6570\u540d\u79f0\u5728\u8c03\u7528\u51fd\u6570\u65f6\u4f20\u9012\u503c\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u4ee5\u4e0b\u662f\u5176\u6539\u8fdb\uff1a\u9ed8\u8ba4\u503c\uff1a\u53c2\u6570\u5b9a\u4e49\u4e2d\u53ef\u8bbe\u7f6e\u9ed8\u8ba4\u503c\u3002\u987a\u5e8f\u6df7\u5408\uff1a\u53ef\u6df7\u5408\u987a\u5e8f\u548c\u547d\u540d\u53c2\u6570\u3002\u53c2\u6570\u5217\u8868\uff1a\u53ef\u5c06\u6570\u7ec4\u6216\u5bf9\u8c61\u6269\u5c55\u5230\u547d\u540d\u53c2\u6570\u5217\u8868\u3002\u53ef\u53d8\u957f\u5ea6\u53c2\u6570\uff1a\u53ef\u53d8\u957f\u5ea6\u53c2\u6570\u53ef\u4f7f\u7528\u547d\u540d\u53c2\u6570\u3002<\/p>\n

\"\u547d\u540d\u53c2\u6570\u5728<\/p>\n

\u547d\u540d\u53c2\u6570\uff1aPHP 7 \u4e2d\u7684\u65b0\u7279\u6027\u548c\u6539\u8fdb<\/strong><\/p>\n

\u5f15\u8a00<\/strong><\/p>\n

\u5728 PHP 5.6 \u4e4b\u524d\uff0c\u51fd\u6570\u548c\u65b9\u6cd5\u7684\u53c2\u6570\u53ea\u80fd\u6309\u987a\u5e8f\u4f20\u9012\u3002\u8fd9\u5728\u51fd\u6570\u7b7e\u540d\u7b80\u5355\u7684\u60c5\u51b5\u4e0b\u662f\u53ef\u4ee5\u63a5\u53d7\u7684\uff0c\u4f46\u662f\u5728\u51fd\u6570\u9700\u8981\u5927\u91cf\u53c2\u6570\u6216\u53c2\u6570\u987a\u5e8f\u5bb9\u6613\u6df7\u6dc6\u65f6\uff0c\u5c31\u4f1a\u9047\u5230\u95ee\u9898\u3002<\/p>\n

\u547d\u540d\u53c2\u6570<\/strong><\/p>\n

PHP 7 \u5f15\u5165\u4e86\u547d\u540d\u53c2\u6570\uff0c\u5141\u8bb8\u5728\u8c03\u7528\u51fd\u6570\u65f6\u4f7f\u7528\u53c2\u6570\u540d\u79f0\u3002\u8fd9\u6781\u5927\u5730\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n

\u8981\u4f7f\u7528\u547d\u540d\u53c2\u6570\uff0c\u53ea\u9700\u5728\u53d8\u91cf\u524d\u52a0\u4e0a\u53c2\u6570\u540d\u79f0\uff0c\u7136\u540e\u518d\u8d4b\u503c\u5373\u53ef\u3002\u4f8b\u5982\uff1a<\/p>\n

function greet(string $name, string $message) {\n    echo \"{$message}, {$name}\";\n}\n\ngreet(message: \"Hello\", name: \"John\"); \/\/ \u8f93\u51fa\uff1aHello, John<\/pre>\n
\u6539\u8fdb<\/strong><\/p>\n
PHP 7 \u5bf9\u547d\u540d\u53c2\u6570\u8fdb\u884c\u4e86\u4ee5\u4e0b\u6539\u8fdb\uff1a<\/p>\n
    \n
  • \u9ed8\u8ba4\u503c\uff1a<\/strong>\u73b0\u5728\u53ef\u4ee5\u5728\u53c2\u6570\u5b9a\u4e49\u4e2d\u8bbe\u7f6e\u9ed8\u8ba4\u503c\uff0c\u5373\u4f7f\u5728\u672a\u663e\u5f0f\u4f20\u9012\u65f6\u4e5f\u53ef\u4ee5\u4f7f\u7528\u3002<\/li>\n
  • \u987a\u5e8f\u6df7\u5408\uff1a<\/strong>\u53ef\u4ee5\u5728\u547d\u540d\u53c2\u6570\u4e2d\u6df7\u5408\u987a\u5e8f\u548c\u547d\u540d\u53c2\u6570\u3002<\/li>\n
  • \u53c2\u6570\u5217\u8868\uff1a<\/strong>\u53ef\u4ee5\u5c06\u6570\u7ec4\u6216\u5bf9\u8c61\u6269\u5c55\u5230\u547d\u540d\u53c2\u6570\u5217\u8868\u4e2d\u3002<\/li>\n
  • \u53ef\u53d8\u957f\u5ea6\u53c2\u6570\uff1a<\/strong>\u53ef\u53d8\u957f\u5ea6\u53c2\u6570\u73b0\u5728\u4e5f\u53ef\u4ee5\u4f7f\u7528\u547d\u540d\u53c2\u6570\u3002<\/li>\n<\/ul>\n
    \u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
    \u4ee5\u4e0b\u4ee3\u7801\u793a\u4f8b\u6f14\u793a\u5982\u4f55\u5728\u4e00\u4e2a\u5177\u6709\u591a\u4e2a\u53c2\u6570\u7684\u51fd\u6570\u4e2d\u4f7f\u7528\u547d\u540d\u53c2\u6570\uff1a<\/p>\n
    function calculateArea(float $width, float $height, string $shape = \"rectangle\") {\n    switch ($shape) {\n        case \"rectangle\":\n            return $width * $height;\n        case \"circle\":\n            return pi() * $width ** 2;\n        default:\n            throw new InvalidArgumentException(\"Invalid shape\");\n    }\n}\n\n$width = 5;\n$height = 10;\n\necho calculateArea(width: $width, height: $height, shape: \"circle\"); \/\/ \u8f93\u51fa\uff1a78.54<\/pre>\n
    \u7ed3\u8bba<\/strong><\/p>\n
    \u547d\u540d\u53c2\u6570\u662f PHP 7 \u4e2d\u5f15\u5165\u7684\u4e00\u9879\u5f3a\u5927\u529f\u80fd\uff0c\u53ef\u4ee5\u663e\u7740\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u5b83\u4eec\u5141\u8bb8\u60a8\u4f7f\u7528\u53c2\u6570\u540d\u79f0\u6765\u4f20\u9012\u503c\uff0c\u4ece\u800c\u51cf\u5c11\u9519\u8bef\u5e76\u4f7f\u4ee3\u7801\u66f4\u6613\u4e8e\u7406\u89e3\u3002<\/p>\n
    \u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u547d\u540d\u53c2\u6570\u5728 PHP 7 \u4e2d\u7684\u65b0\u7279\u6027\u548c\u6539\u8fdb\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":"
    \u547d\u540d\u53c2\u6570\u5728 PHP 7 \u4e2d\u7684\u65b0\u7279\u6027\u548c\u6539\u8fdb \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\u547d\u540d\u53c2\u6570\u5728 PHP 7 \u4e2d\u7684\u65b0\u7279\u6027\u548c\u6539\u8fdb\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~ \u662f\u7684\uff0cPHP 7 \u5f15\u5165\u4e86\u547d\u540d\u53c2\u6570\uff0c\u5141\u8bb8\u60a8\u4f7f\u7528\u53c2\u6570\u540d\u79f0\u5728\u8c03\u7528\u51fd\u6570\u65f6\u4f20\u9012\u503c\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u4ee5\u4e0b\u662f\u5176\u6539\u8fdb\uff1a\u9ed8\u8ba4\u503c\uff1a\u53c2\u6570\u5b9a\u4e49\u4e2d\u53ef\u8bbe\u7f6e\u9ed8\u8ba4\u503c\u3002\u987a\u5e8f\u6df7\u5408\uff1a\u53ef\u6df7\u5408\u987a\u5e8f\u548c\u547d\u540d\u53c2\u6570\u3002\u53c2\u6570\u5217\u8868\uff1a\u53ef\u5c06\u6570\u7ec4\u6216\u5bf9\u8c61\u6269\u5c55\u5230\u547d\u540d\u53c2\u6570\u5217\u8868\u3002\u53ef\u53d8\u957f\u5ea6\u53c2\u6570\uff1a\u53ef\u53d8\u957f\u5ea6\u53c2\u6570\u53ef\u4f7f\u7528\u547d\u540d\u53c2\u6570\u3002 \u547d\u540d\u53c2\u6570\uff1aPHP 7 \u4e2d\u7684\u65b0\u7279\u6027\u548c\u6539\u8fdb \u5f15\u8a00 \u5728 PHP 5.6 \u4e4b\u524d\uff0c\u51fd\u6570\u548c\u65b9\u6cd5\u7684\u53c2\u6570\u53ea\u80fd\u6309\u987a\u5e8f\u4f20\u9012\u3002\u8fd9\u5728\u51fd\u6570\u7b7e\u540d\u7b80\u5355\u7684\u60c5\u51b5\u4e0b\u662f\u53ef\u4ee5\u63a5\u53d7\u7684\uff0c\u4f46\u662f\u5728\u51fd\u6570\u9700\u8981\u5927\u91cf\u53c2\u6570\u6216\u53c2\u6570\u987a\u5e8f\u5bb9\u6613\u6df7\u6dc6\u65f6\uff0c\u5c31\u4f1a\u9047\u5230\u95ee\u9898\u3002 \u547d\u540d\u53c2\u6570 PHP 7 \u5f15\u5165\u4e86\u547d\u540d\u53c2\u6570\uff0c\u5141\u8bb8\u5728\u8c03\u7528\u51fd\u6570\u65f6\u4f7f\u7528\u53c2\u6570\u540d\u79f0\u3002\u8fd9\u6781\u5927\u5730\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002 \u8981\u4f7f\u7528\u547d\u540d\u53c2\u6570\uff0c\u53ea\u9700\u5728\u53d8\u91cf\u524d\u52a0\u4e0a\u53c2\u6570\u540d\u79f0\uff0c\u7136\u540e\u518d\u8d4b\u503c\u5373\u53ef\u3002\u4f8b\u5982\uff1a function greet(string $name, string $message) { echo “{$message}, {$name}”; } greet(message: “Hello”, name: “John”); \/\/ \u8f93\u51fa\uff1aHello, John \u6539\u8fdb PHP 7 \u5bf9\u547d\u540d\u53c2\u6570\u8fdb\u884c\u4e86\u4ee5\u4e0b\u6539\u8fdb\uff1a \u9ed8\u8ba4\u503c\uff1a\u73b0\u5728\u53ef\u4ee5\u5728\u53c2\u6570\u5b9a\u4e49\u4e2d\u8bbe\u7f6e\u9ed8\u8ba4\u503c\uff0c\u5373\u4f7f\u5728\u672a\u663e\u5f0f\u4f20\u9012\u65f6\u4e5f\u53ef\u4ee5\u4f7f\u7528\u3002 \u987a\u5e8f\u6df7\u5408\uff1a\u53ef\u4ee5\u5728\u547d\u540d\u53c2\u6570\u4e2d\u6df7\u5408\u987a\u5e8f\u548c\u547d\u540d\u53c2\u6570\u3002 \u53c2\u6570\u5217\u8868\uff1a\u53ef\u4ee5\u5c06\u6570\u7ec4\u6216\u5bf9\u8c61\u6269\u5c55\u5230\u547d\u540d\u53c2\u6570\u5217\u8868\u4e2d\u3002 \u53ef\u53d8\u957f\u5ea6\u53c2\u6570\uff1a\u53ef\u53d8\u957f\u5ea6\u53c2\u6570\u73b0\u5728\u4e5f\u53ef\u4ee5\u4f7f\u7528\u547d\u540d\u53c2\u6570\u3002 \u5b9e\u6218\u6848\u4f8b \u4ee5\u4e0b\u4ee3\u7801\u793a\u4f8b\u6f14\u793a\u5982\u4f55\u5728\u4e00\u4e2a\u5177\u6709\u591a\u4e2a\u53c2\u6570\u7684\u51fd\u6570\u4e2d\u4f7f\u7528\u547d\u540d\u53c2\u6570\uff1a function calculateArea(float $width, float […]<\/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-48228","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48228","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=48228"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48228\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48228"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48228"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}