{"id":771,"date":"2025-08-04T16:11:58","date_gmt":"2025-08-04T07:11:58","guid":{"rendered":"https:\/\/nexive.tech\/?p=771"},"modified":"2025-08-04T16:11:58","modified_gmt":"2025-08-04T07:11:58","slug":"%e3%80%90%e3%82%b5%e3%82%af%e3%83%83%e3%81%a8%e8%a7%a3%e8%aa%ac%e3%80%91php-%e3%82%b3%e3%83%b3%e3%82%b9%e3%83%88%e3%83%a9%e3%82%af%e3%82%bf%e3%81%a8%e3%83%97%e3%83%ad%e3%83%91%e3%83%86%e3%82%a3","status":"publish","type":"post","link":"https:\/\/nexive.tech\/?p=771","title":{"rendered":"\u3010\u30b5\u30af\u30c3\u3068\u89e3\u8aac\u3011PHP \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3068\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u4f7f\u3044\u65b9"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">1. \u672c\u8a18\u4e8b\u306e\u30dd\u30a4\u30f3\u30c8<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PHP\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u57fa\u672c\u69cb\u6587\u3068\u5f79\u5272\u3092\u6574\u7406<\/li>\n\n\n\n<li>\u30d7\u30ed\u30d1\u30c6\u30a3\u3078\u306e\u5024\u306e\u8a2d\u5b9a\u3068\u521d\u671f\u5316\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u7d39\u4ecb<\/li>\n\n\n\n<li>\u578b\u5ba3\u8a00\u4ed8\u304d\u30d7\u30ed\u30d1\u30c6\u30a3\u3084\u30d7\u30ed\u30e2\u30fc\u30b7\u30e7\u30f3\u69cb\u6587\u306e\u4f7f\u3044\u65b9\u3082\u89e3\u8aac<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">2. PHP\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3068\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u306f\uff1f<\/h2>\n\n\n\n<p>PHP\u306b\u304a\u3051\u308b\u300c\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u300d\u3068\u306f\u3001\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210\u6642\u306b\u81ea\u52d5\u3067\u547c\u3073\u51fa\u3055\u308c\u308b\u7279\u6b8a\u306a\u30e1\u30bd\u30c3\u30c9\uff08<code>__construct()<\/code>\uff09\u3067\u3059\u3002\u4e3b\u306b\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u521d\u671f\u72b6\u614b\u3092\u5b9a\u7fa9\u3059\u308b\u76ee\u7684\u3067\u5229\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u65b9\u300c\u30d7\u30ed\u30d1\u30c6\u30a3\u300d\u306f\u3001\u30af\u30e9\u30b9\u306e\u5185\u90e8\u306b\u4fdd\u6301\u3055\u308c\u308b\u5909\u6570\u3067\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3054\u3068\u306b\u7570\u306a\u308b\u72b6\u614b\uff08\u30c7\u30fc\u30bf\uff09\u3092\u4fdd\u6301\u3059\u308b\u305f\u3081\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e2\u3064\u306f\u5bc6\u63a5\u306b\u95a2\u4fc2\u3057\u3066\u304a\u308a\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u5185\u3067\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u5024\u3092\u30bb\u30c3\u30c8\u3059\u308b\u306e\u304c\u4e00\u822c\u7684\u306a\u521d\u671f\u5316\u624b\u6cd5\u3067\u3059\u3002\u7279\u306b\u3001PHP 7.4\u4ee5\u964d\u3067\u306f\u578b\u4ed8\u304d\u30d7\u30ed\u30d1\u30c6\u30a3\u3001PHP 8.0\u4ee5\u964d\u3067\u306f\u300c\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30d7\u30ed\u30e2\u30fc\u30b7\u30e7\u30f3\u300d\u3068\u3044\u3046\u8a18\u6cd5\u304c\u5c0e\u5165\u3055\u308c\u3001\u30b3\u30fc\u30c9\u304c\u3088\u308a\u7c21\u6f54\u306b\u8a18\u8ff0\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u5b9f\u52d9\u3067\u306f\u3001\u30d5\u30a9\u30fc\u30e0\u30c7\u30fc\u30bf\u3084API\u30ec\u30b9\u30dd\u30f3\u30b9\u306a\u3069\u306e\u521d\u671f\u5024\u3092\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u683c\u7d0d\u3059\u308b\u969b\u306b\u3001\u3053\u308c\u3089\u306e\u69cb\u6587\u304c\u591a\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. \u8a73\u7d30\u89e3\u8aac<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u57fa\u672c\u7684\u306a\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u4f7f\u3044\u65b9<\/h3>\n\n\n\n<p>\u6700\u3082\u57fa\u672c\u7684\u306a\u30d1\u30bf\u30fc\u30f3\u3068\u3057\u3066\u3001\u660e\u793a\u7684\u306b\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5b9a\u7fa9\u3057\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u5185\u3067\u4ee3\u5165\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#D4D4D4;--cbp-line-number-width:calc(2 * 0.6 * .875rem);line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:flex;align-items:center;padding:16px 0 0 16px;width:100%;text-align:left;background-color:#1e1e1e\"><span style=\"background:#c7c7c7;padding:0.3rem 0.5rem 0.2rem;border-radius:1rem;font-size:0.8em;line-height:1;height:1.25rem;text-align:center;display:inline-flex;align-items:center;justify-content:center;color:#1e1e1e\">PHP<\/span><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#D4D4D4;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>&lt;?php\nclass User {\n    public string $name;\n    public int $age;\n\n    \/\/ \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n    public function __construct(string $name, int $age) {\n        $this->name = $name; \/\/ \u30d7\u30ed\u30d1\u30c6\u30a3\u3078\u4ee3\u5165\n        $this->age = $age;\n    }\n}\n\n$user = new User(\"Taro\", 25);\necho $user->name; \/\/ \u51fa\u529b: Taro\necho $user->age;  \/\/ \u51fa\u529b: 25\n<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #D4D4D4\">&lt;?php<\/span><\/span>\n<span class=\"line\"><span style=\"color: #569CD6\">class<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #4EC9B0\">User<\/span><span style=\"color: #D4D4D4\"> {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">public<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">string<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">$name<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">public<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">$age<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #6A9955\">\/\/ \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">public<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">function<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">__construct<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #569CD6\">string<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">$name<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">$age<\/span><span style=\"color: #D4D4D4\">) {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #569CD6\">$this<\/span><span style=\"color: #D4D4D4\">-&gt;<\/span><span style=\"color: #9CDCFE\">name<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #9CDCFE\">$name<\/span><span style=\"color: #D4D4D4\">; <\/span><span style=\"color: #6A9955\">\/\/ \u30d7\u30ed\u30d1\u30c6\u30a3\u3078\u4ee3\u5165<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #569CD6\">$this<\/span><span style=\"color: #D4D4D4\">-&gt;<\/span><span style=\"color: #9CDCFE\">age<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #9CDCFE\">$age<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    }<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">}<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$user<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #569CD6\">new<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #4EC9B0\">User<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #CE9178\">&quot;Taro&quot;<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #B5CEA8\">25<\/span><span style=\"color: #D4D4D4\">);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">$user<\/span><span style=\"color: #D4D4D4\">-&gt;<\/span><span style=\"color: #9CDCFE\">name<\/span><span style=\"color: #D4D4D4\">; <\/span><span style=\"color: #6A9955\">\/\/ \u51fa\u529b: Taro<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">$user<\/span><span style=\"color: #D4D4D4\">-&gt;<\/span><span style=\"color: #9CDCFE\">age<\/span><span style=\"color: #D4D4D4\">;  <\/span><span style=\"color: #6A9955\">\/\/ \u51fa\u529b: 25<\/span><\/span>\n<span class=\"line\"><\/span><\/code><\/pre><\/div>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\u3001<code>$this-&gt;\u30d7\u30ed\u30d1\u30c6\u30a3\u540d<\/code> \u306e\u5f62\u3067\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30d7\u30ed\u30e2\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u308b\u7c21\u7565\u5316\uff08PHP 8.0\u4ee5\u964d\uff09<\/h3>\n\n\n\n<p>PHP 8.0\u4ee5\u964d\u3067\u306f\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u5185\u3067\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u5b9a\u7fa9\u3068\u4ee3\u5165\u3092\u540c\u6642\u306b\u884c\u3046\u8a18\u6cd5\u304c\u4f7f\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#D4D4D4;--cbp-line-number-width:calc(2 * 0.6 * .875rem);line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:flex;align-items:center;padding:16px 0 0 16px;width:100%;text-align:left;background-color:#1e1e1e\"><span style=\"background:#c7c7c7;padding:0.3rem 0.5rem 0.2rem;border-radius:1rem;font-size:0.8em;line-height:1;height:1.25rem;text-align:center;display:inline-flex;align-items:center;justify-content:center;color:#1e1e1e\">PHP<\/span><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#D4D4D4;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>&lt;?php\nclass Product {\n    public function __construct(\n        public string $title,\n        public float $price\n    ) {}\n}\n\n$product = new Product(\"Book\", 1200.0);\necho $product->title; \/\/ \u51fa\u529b: Book\necho $product->price; \/\/ \u51fa\u529b: 1200\n<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #D4D4D4\">&lt;?php<\/span><\/span>\n<span class=\"line\"><span style=\"color: #569CD6\">class<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #4EC9B0\">Product<\/span><span style=\"color: #D4D4D4\"> {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">public<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">function<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">__construct<\/span><span style=\"color: #D4D4D4\">(<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #569CD6\">public<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">string<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">$title<\/span><span style=\"color: #D4D4D4\">,<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #569CD6\">public<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">float<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">$price<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    ) {}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">}<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$product<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #569CD6\">new<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #4EC9B0\">Product<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #CE9178\">&quot;Book&quot;<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #B5CEA8\">1200.0<\/span><span style=\"color: #D4D4D4\">);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">$product<\/span><span style=\"color: #D4D4D4\">-&gt;<\/span><span style=\"color: #9CDCFE\">title<\/span><span style=\"color: #D4D4D4\">; <\/span><span style=\"color: #6A9955\">\/\/ \u51fa\u529b: Book<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">$product<\/span><span style=\"color: #D4D4D4\">-&gt;<\/span><span style=\"color: #9CDCFE\">price<\/span><span style=\"color: #D4D4D4\">; <\/span><span style=\"color: #6A9955\">\/\/ \u51fa\u529b: 1200<\/span><\/span>\n<span class=\"line\"><\/span><\/code><\/pre><\/div>\n\n\n\n<p>\u30b3\u30fc\u30c9\u91cf\u3092\u6e1b\u3089\u3057\u305f\u3044\u5834\u5408\u306b\u6709\u52b9\u3067\u3059\u304c\u3001\u8907\u96d1\u306a\u30ed\u30b8\u30c3\u30af\u3092\u4f34\u3046\u521d\u671f\u5316\u306b\u306f\u4e0d\u5411\u304d\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">private\u3084protected\u3092\u4f7f\u3063\u305f\u30ab\u30d7\u30bb\u30eb\u5316<\/h3>\n\n\n\n<p>\u60c5\u5831\u96a0\u853d\u306e\u89b3\u70b9\u304b\u3089\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u3092 <code>private<\/code> \u3084 <code>protected<\/code> \u306b\u3057\u3001\u30a2\u30af\u30bb\u30b5\u30e1\u30bd\u30c3\u30c9\uff08getter\/setter\uff09\u3092\u4f7f\u3046\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#D4D4D4;--cbp-line-number-width:calc(2 * 0.6 * .875rem);line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:flex;align-items:center;padding:16px 0 0 16px;width:100%;text-align:left;background-color:#1e1e1e\"><span style=\"background:#c7c7c7;padding:0.3rem 0.5rem 0.2rem;border-radius:1rem;font-size:0.8em;line-height:1;height:1.25rem;text-align:center;display:inline-flex;align-items:center;justify-content:center;color:#1e1e1e\">PHP<\/span><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#D4D4D4;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>&lt;?php\nclass Employee {\n    private string $name;\n\n    public function __construct(string $name) {\n        $this->name = $name;\n    }\n\n    public function getName(): string {\n        return $this->name;\n    }\n}\n\n$emp = new Employee(\"Hanako\");\necho $emp->getName(); \/\/ \u51fa\u529b: Hanako\n<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #D4D4D4\">&lt;?php<\/span><\/span>\n<span class=\"line\"><span style=\"color: #569CD6\">class<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #4EC9B0\">Employee<\/span><span style=\"color: #D4D4D4\"> {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">private<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">string<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">$name<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">public<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">function<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">__construct<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #569CD6\">string<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">$name<\/span><span style=\"color: #D4D4D4\">) {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #569CD6\">$this<\/span><span style=\"color: #D4D4D4\">-&gt;<\/span><span style=\"color: #9CDCFE\">name<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #9CDCFE\">$name<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    }<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">public<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">function<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">getName<\/span><span style=\"color: #D4D4D4\">(): <\/span><span style=\"color: #569CD6\">string<\/span><span style=\"color: #D4D4D4\"> {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #C586C0\">return<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">$this<\/span><span style=\"color: #D4D4D4\">-&gt;<\/span><span style=\"color: #9CDCFE\">name<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    }<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">}<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$emp<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #569CD6\">new<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #4EC9B0\">Employee<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #CE9178\">&quot;Hanako&quot;<\/span><span style=\"color: #D4D4D4\">);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">$emp<\/span><span style=\"color: #D4D4D4\">-&gt;<\/span><span style=\"color: #DCDCAA\">getName<\/span><span style=\"color: #D4D4D4\">(); <\/span><span style=\"color: #6A9955\">\/\/ \u51fa\u529b: Hanako<\/span><\/span>\n<span class=\"line\"><\/span><\/code><\/pre><\/div>\n\n\n\n<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3084\u518d\u4ee3\u5165\u5236\u5fa1\u304c\u5fc5\u8981\u306a\u5834\u9762\u3067\u63a1\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. \u3088\u304f\u3042\u308b\u30df\u30b9\u30fb\u8aa4\u89e3\u30fb\u843d\u3068\u3057\u7a74<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PHP 7.4\u672a\u6e80\u3067\u306f\u578b\u4ed8\u304d\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u4f7f\u3048\u306a\u3044\u305f\u3081\u3001\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/li>\n\n\n\n<li>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30d7\u30ed\u30e2\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001<code>private<\/code> \u306a\u3069\u306e\u30a2\u30af\u30bb\u30b9\u4fee\u98fe\u5b50\u3092\u660e\u8a18\u3057\u306a\u3044\u3068 <code>public<\/code> \u6271\u3044\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5b9a\u7fa9\u305b\u305a\u306b <code>$this-&gt;prop = xxx<\/code> \u3068\u3059\u308b\u3068\u300c\u672a\u5b9a\u7fa9\u30d7\u30ed\u30d1\u30c6\u30a3\u300d\u3068\u3057\u3066\u8b66\u544a\u304c\u51fa\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\uff08\u7279\u306bstrict\u30e2\u30fc\u30c9\u3067\u6ce8\u610f\uff09\u3002<\/li>\n\n\n\n<li>\u30d7\u30ed\u30d1\u30c6\u30a3\u540d\u306e\u30b9\u30da\u30eb\u30df\u30b9\u3084 <code>$this<\/code> \u306e\u66f8\u304d\u5fd8\u308c\u3082\u5178\u578b\u7684\u306a\u30df\u30b9\u3067\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30df\u30b9\u306f\u3001IDE\u306e\u88dc\u5b8c\u3084\u578b\u691c\u67fb\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u672a\u7136\u306b\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. \u307e\u3068\u3081<\/h2>\n\n\n\n<p>PHP\u306b\u304a\u3051\u308b\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3068\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u8a2d\u8a08\u306e\u57fa\u672c\u7684\u306a\u69cb\u6210\u8981\u7d20\u3067\u3059\u3002\u521d\u671f\u5316\u51e6\u7406\u3092\u660e\u78ba\u306b\u3057\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u9069\u5207\u306a\u516c\u958b\u30ec\u30d9\u30eb\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u610f\u56f3\u3057\u306a\u3044\u52d5\u4f5c\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>PHP 8.0\u4ee5\u964d\u306e\u30d7\u30ed\u30e2\u30fc\u30b7\u30e7\u30f3\u69cb\u6587\u3092\u6d3b\u7528\u3059\u308c\u3070\u3001\u30b3\u30fc\u30c9\u306e\u8a18\u8ff0\u91cf\u3092\u524a\u6e1b\u3057\u3064\u3064\u3001\u53ef\u8aad\u6027\u3082\u4fdd\u3064\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u7528\u9014\u3084\u4fdd\u5b88\u6027\u306b\u5fdc\u3058\u3066\u4f7f\u3044\u5206\u3051\u307e\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. \u672c\u8a18\u4e8b\u306e\u30dd\u30a4\u30f3\u30c8 2. PHP\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3068\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u306f\uff1f PHP\u306b\u304a\u3051\u308b\u300c\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u300d\u3068\u306f\u3001\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210\u6642\u306b\u81ea\u52d5\u3067\u547c\u3073\u51fa\u3055\u308c\u308b\u7279\u6b8a\u306a\u30e1\u30bd\u30c3\u30c9\uff08__construct()\uff09\u3067\u3059\u3002\u4e3b\u306b\u3001\u30aa\u30d6\u30b8\u30a7 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":690,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[85],"tags":[],"class_list":["post-771","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php"],"_links":{"self":[{"href":"https:\/\/nexive.tech\/index.php?rest_route=\/wp\/v2\/posts\/771","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nexive.tech\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nexive.tech\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nexive.tech\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nexive.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=771"}],"version-history":[{"count":2,"href":"https:\/\/nexive.tech\/index.php?rest_route=\/wp\/v2\/posts\/771\/revisions"}],"predecessor-version":[{"id":870,"href":"https:\/\/nexive.tech\/index.php?rest_route=\/wp\/v2\/posts\/771\/revisions\/870"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nexive.tech\/index.php?rest_route=\/wp\/v2\/media\/690"}],"wp:attachment":[{"href":"https:\/\/nexive.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=771"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nexive.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=771"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nexive.tech\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=771"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}