{"id":766,"date":"2025-08-04T16:09:09","date_gmt":"2025-08-04T07:09:09","guid":{"rendered":"https:\/\/nexive.tech\/?p=766"},"modified":"2025-08-04T16:25:28","modified_gmt":"2025-08-04T07:25:28","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-%e5%bc%95%e6%95%b0%e3%81%ae%e3%83%87%e3%83%95%e3%82%a9%e3%83%ab%e3%83%88%e5%80%a4%e3%83%bb%e5%8f%af%e5%a4%89%e9%95%b7","status":"publish","type":"post","link":"https:\/\/nexive.tech\/?p=766","title":{"rendered":"\u3010\u30b5\u30af\u30c3\u3068\u89e3\u8aac\u3011PHP \u5f15\u6570\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u30fb\u53ef\u5909\u9577\u5f15\u6570\u306e\u6d3b\u7528\u6cd5"},"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\u95a2\u6570\u5b9a\u7fa9\u306b\u304a\u3051\u308b\u300c\u5f15\u6570\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u300d\u3068\u300c\u53ef\u5909\u9577\u5f15\u6570\u300d\u306e\u4ed5\u69d8\u3092\u89e3\u8aac<\/li>\n\n\n\n<li>\u57fa\u672c\u69cb\u6587\u304b\u3089\u5b9f\u52d9\u3067\u306e\u4f7f\u3044\u65b9\u3001\u6ce8\u610f\u70b9\u3084\u7d44\u307f\u5408\u308f\u305b\u65b9\u307e\u3067\u7db2\u7f85<\/li>\n\n\n\n<li>\u4e88\u671f\u3057\u306a\u3044\u6319\u52d5\u3084\u30d0\u30fc\u30b8\u30e7\u30f3\u5dee\u306b\u3088\u308b\u843d\u3068\u3057\u7a74\u3082\u88dc\u8db3<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">2. PHP\u306e\u5f15\u6570\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u30fb\u53ef\u5909\u9577\u5f15\u6570\u3068\u306f\uff1f<\/h2>\n\n\n\n<p>PHP\u306e\u95a2\u6570\u3067\u306f\u3001\u5f15\u6570\u306b\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u6307\u5b9a\u3057\u305f\u308a\u3001\u5f15\u6570\u306e\u6570\u304c\u53ef\u5909\u306a\u95a2\u6570\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306f\u3001\u5f15\u6570\u304c\u7701\u7565\u3055\u308c\u305f\u3068\u304d\u306b\u4f7f\u7528\u3055\u308c\u308b\u521d\u671f\u5024\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001<code>function greet($name = \"Guest\")<\/code> \u306e\u3088\u3046\u306b\u5b9a\u7fa9\u3059\u308b\u3068\u3001\u5f15\u6570\u306a\u3057\u3067\u547c\u3073\u51fa\u3057\u3066\u3082 <code>$name<\/code> \u306f &#8220;Guest&#8221; \u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u65b9\u3001\u53ef\u5909\u9577\u5f15\u6570\u306f <code>...$args<\/code> \u3068\u3044\u3046\u69cb\u6587\u3067\u5b9a\u7fa9\u3057\u3001\u4efb\u610f\u306e\u500b\u6570\u306e\u5f15\u6570\u3092\u53d7\u3051\u53d6\u308b\u6a5f\u80fd\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u547c\u3073\u51fa\u3057\u6642\u306e\u67d4\u8edf\u6027\u3092\u9ad8\u3081\u3001\u5f15\u6570\u306e\u6570\u3092\u9650\u5b9a\u3057\u306a\u3044\u95a2\u6570\u3092\u4f5c\u308b\u306e\u306b\u6709\u52b9\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u5b9f\u52d9\u3067\u306f\u3001\u30ed\u30b0\u51fa\u529b\u3084\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u51e6\u7406\u3001\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u95a2\u6570\u306a\u3069\u3067\u983b\u7e41\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u69cb\u6587\u3092\u6b63\u3057\u304f\u7406\u89e3\u3057\u3001\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u67d4\u8edf\u3067\u5805\u7262\u306a\u95a2\u6570\u8a2d\u8a08\u304c\u53ef\u80fd\u306b\u306a\u308a\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\">\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u4ed8\u304d\u5f15\u6570\u306e\u57fa\u672c\u69cb\u6587\u3068\u6319\u52d5<\/h3>\n\n\n\n<p>\u4ee5\u4e0b\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u6307\u5b9a\u3057\u305f\u57fa\u672c\u7684\u306a\u95a2\u6570\u5b9a\u7fa9\u3067\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(1 * 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>\/\/ \u30c7\u30d5\u30a9\u30eb\u30c8\u5f15\u6570\u3092\u6307\u5b9a\nfunction greet($name = \"Guest\") {\n    echo \"Hello, $name\\n\";\n}\n\ngreet();          \/\/ \u51fa\u529b: Hello, Guest\ngreet(\"Taro\");    \/\/ \u51fa\u529b: Hello, Taro\n<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #6A9955\">\/\/ \u30c7\u30d5\u30a9\u30eb\u30c8\u5f15\u6570\u3092\u6307\u5b9a<\/span><\/span>\n<span class=\"line\"><span style=\"color: #569CD6\">function<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">greet<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$name<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #CE9178\">&quot;Guest&quot;<\/span><span style=\"color: #D4D4D4\">) {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #CE9178\">&quot;Hello, <\/span><span style=\"color: #9CDCFE\">$name<\/span><span style=\"color: #D7BA7D\">\\n<\/span><span style=\"color: #CE9178\">&quot;<\/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: #DCDCAA\">greet<\/span><span style=\"color: #D4D4D4\">();          <\/span><span style=\"color: #6A9955\">\/\/ \u51fa\u529b: Hello, Guest<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">greet<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #CE9178\">&quot;Taro&quot;<\/span><span style=\"color: #D4D4D4\">);    <\/span><span style=\"color: #6A9955\">\/\/ \u51fa\u529b: Hello, Taro<\/span><\/span>\n<span class=\"line\"><\/span><\/code><\/pre><\/div>\n\n\n\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306f\u3001<strong>\u5fc5\u305a\u53f3\u5074\uff08\u5f8c\u65b9\uff09\u306e\u5f15\u6570\u304b\u3089\u9806\u306b<\/strong>\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u5de6\u306b\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3042\u308a\u30fb\u53f3\u306b\u5fc5\u9808\u5f15\u6570\u3068\u3044\u3046\u9806\u5e8f\u306f\u30a8\u30e9\u30fc\u306b\u306a\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(1 * 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>\/\/ \u30a8\u30e9\u30fc\u4f8b: \u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306e\u3042\u308b\u5f15\u6570\u304c\u5148\u306b\u3042\u308b\nfunction invalid($a = 1, $b) {} \/\/ PHP Parse error\n<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #6A9955\">\/\/ \u30a8\u30e9\u30fc\u4f8b: \u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306e\u3042\u308b\u5f15\u6570\u304c\u5148\u306b\u3042\u308b<\/span><\/span>\n<span class=\"line\"><span style=\"color: #569CD6\">function<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">invalid<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$a<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #B5CEA8\">1<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #9CDCFE\">$b<\/span><span style=\"color: #D4D4D4\">) {} <\/span><span style=\"color: #6A9955\">\/\/ PHP Parse error<\/span><\/span>\n<span class=\"line\"><\/span><\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u53ef\u5909\u9577\u5f15\u6570\u306e\u57fa\u672c\u69cb\u6587\u3068\u7528\u9014<\/h3>\n\n\n\n<p>\u4ee5\u4e0b\u306f\u3001\u8907\u6570\u306e\u5f15\u6570\u3092\u4e00\u62ec\u3057\u3066\u914d\u5217\u3068\u3057\u3066\u53d7\u3051\u53d6\u308b\u4f8b\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#D4D4D4;--cbp-line-number-width:calc(1 * 0.6 * .875rem);line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:flex;align-items:center;padding:16px 0 0 16px;width:100%;text-align:left;background-color:#1e1e1e\"><span style=\"background:#c7c7c7;padding:0.3rem 0.5rem 0.2rem;border-radius:1rem;font-size:0.8em;line-height:1;height:1.25rem;text-align:center;display:inline-flex;align-items:center;justify-content:center;color:#1e1e1e\">PHP<\/span><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#D4D4D4;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>\/\/ \u53ef\u5909\u9577\u5f15\u6570\u3092\u53d7\u3051\u53d6\u308b\nfunction sum(...$numbers) {\n    return array_sum($numbers);\n}\n\necho sum(1, 2, 3);    \/\/ \u51fa\u529b: 6\necho sum();           \/\/ \u51fa\u529b: 0\n<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #6A9955\">\/\/ \u53ef\u5909\u9577\u5f15\u6570\u3092\u53d7\u3051\u53d6\u308b<\/span><\/span>\n<span class=\"line\"><span style=\"color: #569CD6\">function<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">sum<\/span><span style=\"color: #D4D4D4\">(...<\/span><span style=\"color: #9CDCFE\">$numbers<\/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: #DCDCAA\">array_sum<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$numbers<\/span><span style=\"color: #D4D4D4\">);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">}<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">sum<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #B5CEA8\">1<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #B5CEA8\">2<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #B5CEA8\">3<\/span><span style=\"color: #D4D4D4\">);    <\/span><span style=\"color: #6A9955\">\/\/ \u51fa\u529b: 6<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">sum<\/span><span style=\"color: #D4D4D4\">();           <\/span><span style=\"color: #6A9955\">\/\/ \u51fa\u529b: 0<\/span><\/span>\n<span class=\"line\"><\/span><\/code><\/pre><\/div>\n\n\n\n<p><code>...<\/code> \u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u4efb\u610f\u306e\u500b\u6570\u306e\u5f15\u6570\u304c <code>$numbers<\/code> \u306b\u914d\u5217\u3068\u3057\u3066\u6e21\u3055\u308c\u307e\u3059\u3002\u547c\u3073\u51fa\u3057\u6642\u306b\u5f15\u6570\u3092\u914d\u5217\u3067\u6e21\u3059\u306b\u306f\u3001\u30b9\u30d7\u30ec\u30c3\u30c9\u69cb\u6587 <code>...<\/code> \u3092\u4f7f\u3044\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(1 * 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>$data = &#91;10, 20, 30&#93;;\necho sum(...$data);  \/\/ \u51fa\u529b: 60\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: #9CDCFE\">$data<\/span><span style=\"color: #D4D4D4\"> = &#91;<\/span><span style=\"color: #B5CEA8\">10<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #B5CEA8\">20<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #B5CEA8\">30<\/span><span style=\"color: #D4D4D4\">&#93;;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">sum<\/span><span style=\"color: #D4D4D4\">(...<\/span><span style=\"color: #9CDCFE\">$data<\/span><span style=\"color: #D4D4D4\">);  <\/span><span style=\"color: #6A9955\">\/\/ \u51fa\u529b: 60<\/span><\/span>\n<span class=\"line\"><\/span><\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3068\u53ef\u5909\u9577\u5f15\u6570\u306e\u7d44\u307f\u5408\u308f\u305b<\/h3>\n\n\n\n<p>\u4e21\u8005\u306f\u540c\u6642\u306b\u4f7f\u7528\u53ef\u80fd\u3067\u3059\u304c\u3001\u4f4d\u7f6e\u3068\u521d\u671f\u5024\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\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(1 * 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>\/\/ \u30c7\u30d5\u30a9\u30eb\u30c8\u5024 + \u53ef\u5909\u9577\u5f15\u6570\u306e\u4f75\u7528\nfunction notify($title = \"Info\", ...$messages) {\n    echo \"&#91;$title&#93; \";\n    echo implode(\", \", $messages) . \"\\n\";\n}\n\nnotify(\"Warning\", \"Disk full\", \"Try again\"); \/\/ &#91;Warning&#93; Disk full, Try again\nnotify(); \/\/ &#91;Info&#93;\n<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #6A9955\">\/\/ \u30c7\u30d5\u30a9\u30eb\u30c8\u5024 + \u53ef\u5909\u9577\u5f15\u6570\u306e\u4f75\u7528<\/span><\/span>\n<span class=\"line\"><span style=\"color: #569CD6\">function<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">notify<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$title<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #CE9178\">&quot;Info&quot;<\/span><span style=\"color: #D4D4D4\">, ...<\/span><span style=\"color: #9CDCFE\">$messages<\/span><span style=\"color: #D4D4D4\">) {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #CE9178\">&quot;&#91;<\/span><span style=\"color: #9CDCFE\">$title<\/span><span style=\"color: #CE9178\">&#93; &quot;<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">implode<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #CE9178\">&quot;, &quot;<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #9CDCFE\">$messages<\/span><span style=\"color: #D4D4D4\">) <\/span><span style=\"color: #D4D4D4\">.<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #CE9178\">&quot;<\/span><span style=\"color: #D7BA7D\">\\n<\/span><span style=\"color: #CE9178\">&quot;<\/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: #DCDCAA\">notify<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #CE9178\">&quot;Warning&quot;<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #CE9178\">&quot;Disk full&quot;<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #CE9178\">&quot;Try again&quot;<\/span><span style=\"color: #D4D4D4\">); <\/span><span style=\"color: #6A9955\">\/\/ &#91;Warning&#93; Disk full, Try again<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">notify<\/span><span style=\"color: #D4D4D4\">(); <\/span><span style=\"color: #6A9955\">\/\/ &#91;Info&#93;<\/span><\/span>\n<span class=\"line\"><\/span><\/code><\/pre><\/div>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306e\u5f8c\u308d\u306b\u53ef\u5909\u9577\u5f15\u6570\u3092\u7f6e\u304f\u3068\u67d4\u8edf\u6027\u306e\u9ad8\u3044\u95a2\u6570\u304c\u5b9f\u73fe\u3067\u304d\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<h3 class=\"wp-block-heading\">\u5f15\u6570\u306e\u9806\u5e8f\u30a8\u30e9\u30fc<\/h3>\n\n\n\n<p>PHP\u3067\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u4ed8\u304d\u5f15\u6570\u3092<strong>\u5148\u982d\u306b\u7f6e\u304f\u3068\u69cb\u6587\u30a8\u30e9\u30fc<\/strong>\u306b\u306a\u308a\u307e\u3059\u3002\u5b9f\u88c5\u6642\u306b\u306f\u5fc5\u305a\u300c\u5fc5\u9808\u5f15\u6570\u2192\u30c7\u30d5\u30a9\u30eb\u30c8\u5f15\u6570\u2192\u53ef\u5909\u9577\u5f15\u6570\u300d\u306e\u9806\u306b\u4e26\u3079\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5f15\u6570\u306e\u6570\u3068\u60f3\u5b9a\u5916\u306e\u578b<\/h3>\n\n\n\n<p>\u53ef\u5909\u9577\u5f15\u6570\u306b\u6e21\u3055\u308c\u308b\u5024\u306f\u5e38\u306b\u914d\u5217\u3067\u53d7\u3051\u53d6\u3089\u308c\u307e\u3059\u304c\u3001\u95a2\u6570\u5185\u90e8\u3067\u500b\u3005\u306e\u5f15\u6570\u3068\u3057\u3066\u6271\u3046\u3064\u3082\u308a\u3067\u5b9f\u88c5\u3059\u308b\u3068\u8aa4\u52d5\u4f5c\u306e\u539f\u56e0\u306b\u306a\u308a\u307e\u3059\u3002\u610f\u56f3\u7684\u306b <code>foreach<\/code> \u3084 <code>implode()<\/code> \u3067\u914d\u5217\u51e6\u7406\u3092\u884c\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u304c\u53c2\u7167\u578b\u30fb\u8907\u96d1\u578b\u306e\u5834\u5408<\/h3>\n\n\n\n<p>\u914d\u5217\u3084\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3068\u3057\u3066\u4f7f\u3046\u5834\u5408\u3001\u305d\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f\u6bce\u56de\u5171\u6709\u3055\u308c\u308b\u305f\u3081\u526f\u4f5c\u7528\u3092\u5f15\u304d\u8d77\u3053\u3059\u3053\u3068\u304c\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(1 * 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>function addItem($list = []) {\n    $list[] = \"item\";\n    print_r($list);\n}\n\naddItem(); \/\/ item\naddItem(); \/\/ item\uff08\u5225\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306a\u306e\u3067\u554f\u984c\u306a\u3057\uff09\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: #569CD6\">function<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">addItem<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$list<\/span><span style=\"color: #D4D4D4\"> = []) {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #9CDCFE\">$list<\/span><span style=\"color: #D4D4D4\">[] = <\/span><span style=\"color: #CE9178\">&quot;item&quot;<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #DCDCAA\">print_r<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$list<\/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: #DCDCAA\">addItem<\/span><span style=\"color: #D4D4D4\">(); <\/span><span style=\"color: #6A9955\">\/\/ item<\/span><\/span>\n<span class=\"line\"><span style=\"color: #DCDCAA\">addItem<\/span><span style=\"color: #D4D4D4\">(); <\/span><span style=\"color: #6A9955\">\/\/ item\uff08\u5225\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306a\u306e\u3067\u554f\u984c\u306a\u3057\uff09<\/span><\/span>\n<span class=\"line\"><\/span><\/code><\/pre><\/div>\n\n\n\n<p>\u305f\u3060\u3057\u3001<strong>\u660e\u793a\u7684\u306b\u53c2\u7167\u6e21\u3057\u3057\u305f\u5834\u5408\u306f\u6ce8\u610f\u304c\u5fc5\u8981<\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. \u307e\u3068\u3081<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PHP\u3067\u306f\u3001\u5f15\u6570\u306b\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3084\u53ef\u5909\u9577\u5f15\u6570\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u67d4\u8edf\u306a\u95a2\u6570\u8a2d\u8a08\u304c\u53ef\u80fd<\/li>\n\n\n\n<li>\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306f\u53f3\u5074\u304b\u3089\u3001\u53ef\u5909\u9577\u5f15\u6570\u306f\u672b\u5c3e\u306b\u5b9a\u7fa9\u3059\u308b<\/li>\n\n\n\n<li>\u53ef\u5909\u9577\u5f15\u6570\u306f\u5e38\u306b\u914d\u5217\u3067\u6e21\u3055\u308c\u308b\u305f\u3081\u3001\u914d\u5217\u3068\u3057\u3066\u660e\u793a\u7684\u306b\u51e6\u7406\u3059\u308b\u3053\u3068<\/li>\n\n\n\n<li>\u578b\u3084\u53c2\u7167\u306e\u526f\u4f5c\u7528\u306b\u3082\u6ce8\u610f\u304c\u5fc5\u8981<\/li>\n<\/ul>\n\n\n\n<p>\u69cb\u6587\u306e\u67d4\u8edf\u3055\u3068\u5b9f\u884c\u6642\u306e\u6319\u52d5\u306e\u9055\u3044\u3092\u628a\u63e1\u3057\u3066\u3001\u5b9f\u52d9\u306b\u5408\u3063\u305f\u8a2d\u8a08\u5224\u65ad\u3092\u884c\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. \u672c\u8a18\u4e8b\u306e\u30dd\u30a4\u30f3\u30c8 2. 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