{"id":830,"date":"2025-08-05T16:20:33","date_gmt":"2025-08-05T07:20:33","guid":{"rendered":"https:\/\/nexive.tech\/?p=830"},"modified":"2025-08-05T16:20:33","modified_gmt":"2025-08-05T07:20:33","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-pdo%e3%81%a7mysql%e3%81%ab%e6%8e%a5%e7%b6%9a%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/nexive.tech\/?p=830","title":{"rendered":"\u3010\u30b5\u30af\u30c3\u3068\u89e3\u8aac\u3011PHP PDO\u3067MySQL\u306b\u63a5\u7d9a\u3059\u308b\u65b9\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\u306ePDO\u306b\u3088\u308bMySQL\u63a5\u7d9a\u306e\u57fa\u672c\u69cb\u6587\u3068\u6319\u52d5\u3092\u89e3\u8aac<\/li>\n\n\n\n<li>\u63a5\u7d9a\u30a8\u30e9\u30fc\u6642\u306e\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3084\u5b9f\u52d9\u4e0a\u306e\u6ce8\u610f\u70b9\u3092\u7d39\u4ecb<\/li>\n\n\n\n<li>\u8907\u6570\u306e\u63a5\u7d9a\u30d1\u30bf\u30fc\u30f3\u3068\u8a2d\u8a08\u5224\u65ad\u306e\u57fa\u6e96\u3092\u63d0\u793a<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">2. PHP PDO\u3067MySQL\u306b\u63a5\u7d9a\u3059\u308b\u65b9\u6cd5\u3068\u306f\uff1f<\/h2>\n\n\n\n<p>PDO\uff08PHP Data Objects\uff09\u306f\u3001PHP\u3067\u63d0\u4f9b\u3055\u308c\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u305f\u3081\u306e\u62e1\u5f35\u6a5f\u80fd\u3067\u3059\u3002MySQL\u3060\u3051\u3067\u306a\u304f\u3001SQLite\u3084PostgreSQL\u306a\u3069\u8907\u6570\u306eDBMS\u306b\u5171\u901a\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u63a5\u7d9a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u7279\u306bMySQL\u3068\u306e\u63a5\u7d9a\u306b\u304a\u3044\u3066\u306f\u3001\u65e7\u6765\u306e<code>mysql_connect<\/code>\u3084<code>mysqli_connect<\/code>\u306b\u6bd4\u3079\u3066\u3001\u4f8b\u5916\u30d9\u30fc\u30b9\u306e\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3084\u30d7\u30ea\u30da\u30a2\u30c9\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u6a19\u6e96\u5bfe\u5fdc\u306a\u3069\u3001\u5b89\u5168\u6027\u3068\u4fdd\u5b88\u6027\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5b9f\u52d9\u3067\u306f\u3001DB\u63a5\u7d9a\u60c5\u5831\u3092\u5916\u90e8\u30d5\u30a1\u30a4\u30eb\u3067\u7ba1\u7406\u3057\u3001\u5171\u901a\u306ePDO\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210\u95a2\u6570\u3092\u7528\u610f\u3059\u308b\u69cb\u6210\u304c\u4e00\u822c\u7684\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u57fa\u672c\u69cb\u6587\u304b\u3089\u3001\u904b\u7528\u3067\u3088\u304f\u4f7f\u3046\u63a5\u7d9a\u30d1\u30bf\u30fc\u30f3\u307e\u3067\u3092\u6271\u3044\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\u63a5\u7d9a\u65b9\u6cd5\uff08try-catch\u3067\u5b89\u5168\u306b\uff09<\/h3>\n\n\n\n<p>\u307e\u305a\u306f\u3001\u6700\u5c0f\u9650\u306e\u60c5\u5831\u3067PDO\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3059\u308b\u57fa\u672c\u5f62\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(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\n\/\/ MySQL\u63a5\u7d9a\u60c5\u5831\n$host = 'localhost';\n$dbname = 'sample_db';\n$user = 'dbuser';\n$pass = 'dbpass';\n\ntry {\n    \/\/ DSN\uff08\u63a5\u7d9a\u6587\u5b57\u5217\uff09\u3092\u7d44\u307f\u7acb\u3066\n    $dsn = \"mysql:host=$host;dbname=$dbname;charset=utf8mb4\";\n\n    \/\/ PDO\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u751f\u6210\n    $pdo = new PDO($dsn, $user, $pass);\n\n    \/\/ \u30a8\u30e9\u30fc\u30e2\u30fc\u30c9\u3092\u4f8b\u5916\u306b\u8a2d\u5b9a\n    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);\n\n    echo \"\u63a5\u7d9a\u6210\u529f\\n\";\n} catch (PDOException $e) {\n    \/\/ \u63a5\u7d9a\u5931\u6557\u6642\u306e\u51e6\u7406\n    echo \"\u63a5\u7d9a\u30a8\u30e9\u30fc: \" . $e->getMessage() . \"\\n\";\n}\n<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #D4D4D4\">&lt;?php<\/span><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\">\/\/ MySQL\u63a5\u7d9a\u60c5\u5831<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$host<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #CE9178\">&#39;localhost&#39;<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$dbname<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #CE9178\">&#39;sample_db&#39;<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$user<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #CE9178\">&#39;dbuser&#39;<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$pass<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #CE9178\">&#39;dbpass&#39;<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #C586C0\">try<\/span><span style=\"color: #D4D4D4\"> {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #6A9955\">\/\/ DSN\uff08\u63a5\u7d9a\u6587\u5b57\u5217\uff09\u3092\u7d44\u307f\u7acb\u3066<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #9CDCFE\">$dsn<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #CE9178\">&quot;mysql:host=<\/span><span style=\"color: #9CDCFE\">$host<\/span><span style=\"color: #CE9178\">;dbname=<\/span><span style=\"color: #9CDCFE\">$dbname<\/span><span style=\"color: #CE9178\">;charset=utf8mb4&quot;<\/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\">\/\/ PDO\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u751f\u6210<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #9CDCFE\">$pdo<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #569CD6\">new<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #4EC9B0\">PDO<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$dsn<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #9CDCFE\">$user<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #9CDCFE\">$pass<\/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\">\/\/ \u30a8\u30e9\u30fc\u30e2\u30fc\u30c9\u3092\u4f8b\u5916\u306b\u8a2d\u5b9a<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #9CDCFE\">$pdo<\/span><span style=\"color: #D4D4D4\">-&gt;<\/span><span style=\"color: #DCDCAA\">setAttribute<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #4EC9B0\">PDO<\/span><span style=\"color: #D4D4D4\">::ATTR_ERRMODE, <\/span><span style=\"color: #4EC9B0\">PDO<\/span><span style=\"color: #D4D4D4\">::ERRMODE_EXCEPTION);<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #CE9178\">&quot;\u63a5\u7d9a\u6210\u529f<\/span><span style=\"color: #D7BA7D\">\\n<\/span><span style=\"color: #CE9178\">&quot;<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">} <\/span><span style=\"color: #C586C0\">catch<\/span><span style=\"color: #D4D4D4\"> (<\/span><span style=\"color: #4EC9B0\">PDOException<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">$e<\/span><span style=\"color: #D4D4D4\">) {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #6A9955\">\/\/ \u63a5\u7d9a\u5931\u6557\u6642\u306e\u51e6\u7406<\/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;\u63a5\u7d9a\u30a8\u30e9\u30fc: &quot;<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #D4D4D4\">.<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">$e<\/span><span style=\"color: #D4D4D4\">-&gt;<\/span><span style=\"color: #DCDCAA\">getMessage<\/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><\/code><\/pre><\/div>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\u3001\u63a5\u7d9a\u6587\u5b57\u5217\uff08DSN\uff09\u306b\u306f\u6587\u5b57\u30b3\u30fc\u30c9\uff08<code>charset<\/code>\uff09\u306e\u6307\u5b9a\u3082\u542b\u3081\u3066\u304a\u304f\u306e\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9f\u52d9\u5411\u3051\uff1a\u5171\u901a\u95a2\u6570\u3068\u3057\u3066\u5207\u308a\u51fa\u3059<\/h3>\n\n\n\n<p>\u8907\u6570\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u5171\u901a\u5229\u7528\u3059\u308b\u30b1\u30fc\u30b9\u3067\u306f\u3001\u63a5\u7d9a\u51e6\u7406\u3092\u95a2\u6570\u5316\u3057\u3066\u304a\u304f\u3068\u4fbf\u5229\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(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\nfunction getPdoConnection(): PDO {\n    $config = &#91;\n        'host' => 'localhost',\n        'dbname' => 'sample_db',\n        'user' => 'dbuser',\n        'pass' => 'dbpass',\n    &#93;;\n\n    $dsn = \"mysql:host={$config&#91;'host'&#93;};dbname={$config&#91;'dbname'&#93;};charset=utf8mb4\";\n    $pdo = new PDO($dsn, $config&#91;'user'&#93;, $config&#91;'pass'&#93;);\n    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);\n    return $pdo;\n}\n<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #D4D4D4\">&lt;?php<\/span><\/span>\n<span class=\"line\"><span style=\"color: #569CD6\">function<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">getPdoConnection<\/span><span style=\"color: #D4D4D4\">(): <\/span><span style=\"color: #4EC9B0\">PDO<\/span><span style=\"color: #D4D4D4\"> {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #9CDCFE\">$config<\/span><span style=\"color: #D4D4D4\"> = &#91;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #CE9178\">&#39;host&#39;<\/span><span style=\"color: #D4D4D4\"> =&gt; <\/span><span style=\"color: #CE9178\">&#39;localhost&#39;<\/span><span style=\"color: #D4D4D4\">,<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #CE9178\">&#39;dbname&#39;<\/span><span style=\"color: #D4D4D4\"> =&gt; <\/span><span style=\"color: #CE9178\">&#39;sample_db&#39;<\/span><span style=\"color: #D4D4D4\">,<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #CE9178\">&#39;user&#39;<\/span><span style=\"color: #D4D4D4\"> =&gt; <\/span><span style=\"color: #CE9178\">&#39;dbuser&#39;<\/span><span style=\"color: #D4D4D4\">,<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #CE9178\">&#39;pass&#39;<\/span><span style=\"color: #D4D4D4\"> =&gt; <\/span><span style=\"color: #CE9178\">&#39;dbpass&#39;<\/span><span style=\"color: #D4D4D4\">,<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    &#93;;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #9CDCFE\">$dsn<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #CE9178\">&quot;mysql:host={<\/span><span style=\"color: #9CDCFE\">$config<\/span><span style=\"color: #CE9178\">&#91;&#39;host&#39;&#93;};dbname={<\/span><span style=\"color: #9CDCFE\">$config<\/span><span style=\"color: #CE9178\">&#91;&#39;dbname&#39;&#93;};charset=utf8mb4&quot;<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #9CDCFE\">$pdo<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #569CD6\">new<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #4EC9B0\">PDO<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$dsn<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #9CDCFE\">$config<\/span><span style=\"color: #D4D4D4\">&#91;<\/span><span style=\"color: #CE9178\">&#39;user&#39;<\/span><span style=\"color: #D4D4D4\">&#93;, <\/span><span style=\"color: #9CDCFE\">$config<\/span><span style=\"color: #D4D4D4\">&#91;<\/span><span style=\"color: #CE9178\">&#39;pass&#39;<\/span><span style=\"color: #D4D4D4\">&#93;);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #9CDCFE\">$pdo<\/span><span style=\"color: #D4D4D4\">-&gt;<\/span><span style=\"color: #DCDCAA\">setAttribute<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #4EC9B0\">PDO<\/span><span style=\"color: #D4D4D4\">::ATTR_ERRMODE, <\/span><span style=\"color: #4EC9B0\">PDO<\/span><span style=\"color: #D4D4D4\">::ERRMODE_EXCEPTION);<\/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: #9CDCFE\">$pdo<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">}<\/span><\/span>\n<span class=\"line\"><\/span><\/code><\/pre><\/div>\n\n\n\n<p>\u3053\u306e\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u3060\u3051\u3067\u3001\u63a5\u7d9a\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u660e\u793a\u7684\u306a\u8a2d\u5b9a\u9805\u76ee\u306e\u8ffd\u52a0\uff08\u63a8\u5968\u8a2d\u5b9a\uff09<\/h3>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u3082\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3084\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u89b3\u70b9\u304b\u3089\u8a2d\u5b9a\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#D4D4D4;--cbp-line-number-width:calc(1 * 0.6 * .875rem);line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:flex;align-items:center;padding:16px 0 0 16px;width:100%;text-align:left;background-color:#1e1e1e\"><span style=\"background:#c7c7c7;padding:0.3rem 0.5rem 0.2rem;border-radius:1rem;font-size:0.8em;line-height:1;height:1.25rem;text-align:center;display:inline-flex;align-items:center;justify-content:center;color:#1e1e1e\">PHP<\/span><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#D4D4D4;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>$pdo->setAttribute(PDO::ATTR_EMULATE_PREPARES, false); \/\/ \u30cd\u30a4\u30c6\u30a3\u30d6\u30d7\u30ea\u30da\u30a2\u4f7f\u7528\n$pdo->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_ASSOC); \/\/ \u30c7\u30d5\u30a9\u30eb\u30c8\u306efetch\u5f62\u5f0f\n<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #9CDCFE\">$pdo<\/span><span style=\"color: #D4D4D4\">-&gt;<\/span><span style=\"color: #DCDCAA\">setAttribute<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #4EC9B0\">PDO<\/span><span style=\"color: #D4D4D4\">::ATTR_EMULATE_PREPARES, <\/span><span style=\"color: #569CD6\">false<\/span><span style=\"color: #D4D4D4\">); <\/span><span style=\"color: #6A9955\">\/\/ \u30cd\u30a4\u30c6\u30a3\u30d6\u30d7\u30ea\u30da\u30a2\u4f7f\u7528<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$pdo<\/span><span style=\"color: #D4D4D4\">-&gt;<\/span><span style=\"color: #DCDCAA\">setAttribute<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #4EC9B0\">PDO<\/span><span style=\"color: #D4D4D4\">::ATTR_DEFAULT_FETCH_MODE, <\/span><span style=\"color: #4EC9B0\">PDO<\/span><span style=\"color: #D4D4D4\">::FETCH_ASSOC); <\/span><span style=\"color: #6A9955\">\/\/ \u30c7\u30d5\u30a9\u30eb\u30c8\u306efetch\u5f62\u5f0f<\/span><\/span>\n<span class=\"line\"><\/span><\/code><\/pre><\/div>\n\n\n\n<p>\u7279\u306b<code>ATTR_EMULATE_PREPARES<\/code>\u306fSQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u5bfe\u7b56\u306b\u76f4\u7d50\u3059\u308b\u305f\u3081\u3001\u660e\u793a\u7684\u306bfalse\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3067\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>DSN\u306b\u304a\u3051\u308b<code>charset<\/code>\u6307\u5b9a\u306e\u629c\u3051\u306b\u3088\u308a\u3001\u6587\u5b57\u5316\u3051\u304c\u767a\u751f\u3059\u308b\u30b1\u30fc\u30b9\u304c\u591a\u3044\u3067\u3059\u3002\u7279\u306bUTF-8\u3068utf8mb4\u306e\u9055\u3044\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/li>\n\n\n\n<li><code>setAttribute<\/code>\u3067\u30a8\u30e9\u30fc\u30e2\u30fc\u30c9\u3092\u8a2d\u5b9a\u3057\u306a\u3044\u3068\u3001PDO\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u30b5\u30a4\u30ec\u30f3\u30c8\u30e2\u30fc\u30c9\uff08\u4f8b\u5916\u3092\u6295\u3052\u306a\u3044\uff09\u3068\u306a\u308b\u305f\u3081\u3001\u30a8\u30e9\u30fc\u304c\u691c\u51fa\u3055\u308c\u306b\u304f\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>ATTR_EMULATE_PREPARES<\/code>\u306e\u8a2d\u5b9a\u3092\u7701\u7565\u3059\u308b\u3068\u3001MySQL\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3084\u30c9\u30e9\u30a4\u30d0\u306b\u3088\u3063\u3066\u306f\u30a8\u30df\u30e5\u30ec\u30fc\u30c8\u30e2\u30fc\u30c9\u3067\u5b9f\u884c\u3055\u308c\u3001\u610f\u56f3\u3057\u306a\u3044SQL\u306e\u5b9f\u884c\u7d50\u679c\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3084MySQL\u30c9\u30e9\u30a4\u30d0\u306e\u8a2d\u5b9a\u306b\u3088\u3063\u3066\u306f\u3001\u63a5\u7d9a\u6642\u306eTLS\/SSL\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u7121\u8996\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30dd\u30ea\u30b7\u30fc\u306e\u89b3\u70b9\u3067\u554f\u984c\u3068\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">5. \u307e\u3068\u3081<\/h2>\n\n\n\n<p>PDO\u306f\u3001PHP\u3067MySQL\u3092\u64cd\u4f5c\u3059\u308b\u3046\u3048\u3067\u63a8\u5968\u3055\u308c\u308b\u6a19\u6e96\u7684\u306a\u63a5\u7d9a\u624b\u6bb5\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u63a5\u7d9a\u306b\u306fDSN\u69cb\u6587\u3001\u4f8b\u5916\u51e6\u7406\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u8a2d\u5b9a\u3092\u6b63\u3057\u304f\u884c\u3046\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u7279\u306b\u5b9f\u52d9\u3067\u306f\u3001\u5171\u901a\u5316\u30fb\u5b89\u5168\u6027\u30fb\u4fdd\u5b88\u6027\u3092\u8003\u616e\u3057\u305f\u69cb\u6210\u3068\u3059\u308b\u3053\u3068\u3067\u3001\u904b\u7528\u30c8\u30e9\u30d6\u30eb\u3092\u9632\u6b62\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u6587\u5b57\u30b3\u30fc\u30c9\u3084\u30a8\u30e9\u30fc\u30e2\u30fc\u30c9\u306a\u3069\u3001\u521d\u671f\u8a2d\u5b9a\u306e\u898b\u843d\u3068\u3057\u304c\u8aa4\u52d5\u4f5c\u306b\u3064\u306a\u304c\u308b\u305f\u3081\u3001\u6bce\u56de\u660e\u793a\u7684\u306b\u8a2d\u5b9a\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. \u672c\u8a18\u4e8b\u306e\u30dd\u30a4\u30f3\u30c8 2. PHP PDO\u3067MySQL\u306b\u63a5\u7d9a\u3059\u308b\u65b9\u6cd5\u3068\u306f\uff1f PDO\uff08PHP Data Objects\uff09\u306f\u3001PHP\u3067\u63d0\u4f9b\u3055\u308c\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u305f\u3081\u306e\u62e1\u5f35\u6a5f\u80fd\u3067\u3059\u3002MySQL\u3060\u3051\u3067\u306a\u304f\u3001SQLite\u3084Po [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":908,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[85],"tags":[],"class_list":["post-830","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\/830","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=830"}],"version-history":[{"count":2,"href":"https:\/\/nexive.tech\/index.php?rest_route=\/wp\/v2\/posts\/830\/revisions"}],"predecessor-version":[{"id":909,"href":"https:\/\/nexive.tech\/index.php?rest_route=\/wp\/v2\/posts\/830\/revisions\/909"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nexive.tech\/index.php?rest_route=\/wp\/v2\/media\/908"}],"wp:attachment":[{"href":"https:\/\/nexive.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=830"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nexive.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=830"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nexive.tech\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=830"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}