{"id":8366,"date":"2024-05-12T10:28:30","date_gmt":"2024-05-12T01:28:30","guid":{"rendered":"https:\/\/www.prime-strategy.co.jp\/column\/?p=8366"},"modified":"2026-02-17T01:33:48","modified_gmt":"2026-02-16T16:33:48","slug":"php%e3%81%ae%e6%9c%80%e6%96%b0%e7%8a%b6%e6%b3%81%ef%bc%9aphp-8-4%e3%81%ae%e9%96%8b%e7%99%ba%e3%81%8c%e6%9c%ac%e6%a0%bc%e5%8c%96%ef%bc%88php%e9%87%8d%e9%8e%ae%e3%81%ae%e5%bb%a3%e5%b7%9d%e9%a1%9e","status":"publish","type":"post","link":"https:\/\/kusanagi.tokyo\/column\/archives\/column_8366","title":{"rendered":"PHP\u306e\u6700\u65b0\u72b6\u6cc1\uff1aPHP 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id=\"PHP_%E3%83%AA%E3%83%AA%E3%83%BC%E3%82%B9%E3%82%B5%E3%82%A4%E3%82%AF%E3%83%AB%E3%81%8C%E6%94%B9%E5%96%84%E3%81%95%E3%82%8C%E3%82%8B%E8%A6%8B%E8%BE%BC%E3%81%BF\"><\/span>PHP \u30ea\u30ea\u30fc\u30b9\u30b5\u30a4\u30af\u30eb\u304c\u6539\u5584\u3055\u308c\u308b\u898b\u8fbc\u307f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u73fe\u5728\u9069\u7528\u3055\u308c\u3066\u3044\u308bPHP 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class=\"wp-block-list\">\n<li>\u30ea\u30ea\u30fc\u30b9\u5019\u88dc\u7248\u306e\u30ea\u30ea\u30fc\u30b9\u56de\u6570\u3092\uff14\u56de\u306b\u524a\u6e1b\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u73fe\u72b6\u30016\u56de\u884c\u308f\u308c\u3066\u3044\u308b\u30ea\u30ea\u30fc\u30b9\u5019\u88dc\u7248\u306e\u516c\u958b\u3092\uff14\u56de\u306b\u524a\u6e1b\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u03b1\u7248\u306e\u30ea\u30ea\u30fc\u30b9\u304b\u3089\u6700\u7d42\u30ea\u30ea\u30fc\u30b9\u307e\u3067\u306e\u671f\u9593\u304c\u77ed\u7e2e\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fee\u6b63\u306e\u30ea\u30ea\u30fc\u30b9\u671f\u9593\u3092\uff11\u5e74\u5ef6\u9577\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u30ea\u30ea\u30fc\u30b9\u30b5\u30a4\u30af\u30eb\u306f3\u5e74\uff08\u30d0\u30b0\u4fee\u6b63\uff1a2\u5e74\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fee\u6b63\uff1a1\u5e74\uff09\u304b\u30894\u5e74\uff08\u30d0\u30b0\u4fee\u6b63\uff1a2\u5e74\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fee\u6b63\uff1a2\u5e74\uff09\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fee\u6b63\u671f\u9593\u4e2d\u306b\u304a\u3051\u308b\u518d\u5e30\u30c6\u30b9\u30c8\u306e\u66f4\u65b0\u3092\u53ef\u80fd\u3068\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fee\u6b63\u306b\u3088\u308a\u3001\u518d\u5e30\u30c6\u30b9\u30c8\u306e\u7d50\u679c\u304c\u5909\u308f\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u66f4\u65b0\u3092\u8a31\u53ef\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ea\u30ea\u30fc\u30b9\u30b5\u30a4\u30af\u30eb\u3092\u5e74\u672b\u307e\u3067\u5ef6\u9577\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u30ea\u30ea\u30fc\u30b9\u65e5\u304b\u30892\u307e\u305f\u306f3\u5e74\u3068\u73fe\u5728\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u5404\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u65e5\u4ed8\u304c\u7570\u306a\u308b\u306e\u306f\u308f\u304b\u308a\u306b\u304f\u3044\u305f\u3081\u3001\u65e5\u4ed8\u3092\u30b5\u30dd\u30fc\u30c8\u671f\u9593\u7d42\u4e86\u5e74\u306e\u5e74\u672b\u306b\u56fa\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3053\u308c\u3089\u306e\u5909\u66f4\u304c\u5b9f\u969b\u306b\u884c\u308f\u308c\u308b\u304b\u306f\u73fe\u6642\u70b9\u3067\u672a\u5b9a\u3067\u3059\u304c\u3001\u3044\u305a\u308c\u3082PHP\u958b\u767a\u306b\u304a\u3044\u3066\u6709\u610f\u7fa9\u306a\u5909\u66f4\u3068\u601d\u308f\u308c\u307e\u3059\u3002\u7279\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fee\u6b63\u306e\u671f\u9593\u5ef6\u9577\uff08\uff11\u5e74\u9593\u2192\uff12\u5e74\u9593\uff09\u306f\u3001\u73fe\u5728\u3001EOL\u5ba3\u8a00\u304c\u884c\u308f\u308c\u305f\u5f8c\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306ePHP\u3092\u4f7f\u3044\u7d9a\u3051\u308b\u30e6\u30fc\u30b6\u30fc\u304c\u304b\u306a\u308a\u3044\u308b\u3053\u3068\u3092\u8003\u3048\u308b\u3068\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u78ba\u4fdd\u306e\u89b3\u70b9\u304b\u3089\u306f\u671b\u307e\u3057\u3044\u3068\u8a00\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"PHP_84%E3%83%AA%E3%83%AA%E3%83%BC%E3%82%B9%E3%83%9E%E3%83%8D%E3%83%BC%E3%82%B8%E3%83%A3%E3%81%8C%E6%B1%BA%E5%AE%9A%EF%BC%81\"><\/span>PHP 8.4\u30ea\u30ea\u30fc\u30b9\u30de\u30cd\u30fc\u30b8\u30e3\u304c\u6c7a\u5b9a\uff01<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u30004\u670816\u65e5\u307e\u3067\u306b\u958b\u767a\u8005\u306b\u3088\u308b\u6295\u7968\u304c\u884c\u308f\u308c\u3001PHP 8.4\u306e\u30ea\u30ea\u30fc\u30b9\u30de\u30cd\u30fc\u30b8\u30e3\uff08\u30d9\u30c6\u30e9\u30f3\uff1a1\u540d\u3001\u30eb\u30fc\u30ad\u30fc\uff1a2\u540d\uff09\u304c\u6c7a\u5b9a\u3057\u307e\u3057\u305f\u3002\u30d9\u30c6\u30e9\u30f3\u306f\u3001PHP 8.3\u306e\u30eb\u30fc\u30ad\u30fc\u3092\u52e4\u3081\u305fEric Mann\u6c0f\u3067\u3001\u7b46\u8005\u3082\u8a33\u8005\u306e\u4e00\u4eba\u3068\u3057\u3066\u95a2\u308f\u3063\u305f<a href=\"https:\/\/www.oreilly.co.jp\/books\/9784814400621\/\">PHP\u30af\u30c3\u30af\u30d6\u30c3\u30af<\/a> \uff08O\u2019Reilly\uff09\u306e\u7b46\u8005\u3067\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u30eb\u30fc\u30ad\u30fc2\u540d\u306f\u3001Calvin Buckley\u6c0f\u3068\u30b5\u30ad\u30c1\u3055\u3093\u304c\u9078\u3070\u308c\u307e\u3057\u305f\u3002\u30b5\u30ad\u30c1\u3055\u3093\u306f\u3001PHP Foundation\u306e\u30e1\u30f3\u30d0\u30fc\u3068\u3057\u3066\u4eca\u5e74\u521d\u3081\u306b\u8ffd\u52a0\u3055\u308c\u305f4\u540d\u306e\u3046\u3061\u306e\u4e00\u4eba\u3067\u3001\u4eca\u56de\u3001\u65e5\u672c\u4eba\u3068\u3057\u3066\u521d\u3081\u3066\u30ea\u30ea\u30fc\u30b9\u30de\u30cd\u30fc\u30b8\u30e3\u306b\u9078\u3070\u308c\u305f\u306e\u306f\u3001\u7d20\u6674\u3089\u3057\u3044\u3053\u3068\u3067\u3059\u3002\u4eca\u56de\u3001\u30ea\u30ea\u30fc\u30b9\u30de\u30cd\u30fc\u30b8\u30e3\u304c\u9078\u5b9a\u3055\u308c\u3001PHP 8.4\u306e\u958b\u767a\u304c\u672c\u683c\u5316\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u3001\u524d\u56de\u306b\u7d9a\u3044\u3066\u3001PHP 8.4\u3067\u5c0e\u5165\u3055\u308c\u308b\u4e88\u5b9a\u306e\u6a5f\u80fd\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002\u306a\u304a\u3001PHP 8.4\u3067\u5c0e\u5165\u3055\u308c\u308b\u6a5f\u80fd\u306f\u307e\u3060\u5909\u66f4\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u7d39\u4ecb\u3059\u308b\u5185\u5bb9\u3082\u6700\u7d42\u7684\u306a\u3082\u306e\u3068\u7570\u306a\u308b\u53ef\u80fd\u6027\u304c\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Unicode%E6%9B%B8%E8%A8%98%E7%B4%A0%E3%82%AF%E3%83%A9%E3%82%B9%E3%82%BF%E3%81%AE%E3%82%B5%E3%83%9D%E3%83%BC%E3%83%88\"><\/span>Unicode\u66f8\u8a18\u7d20\u30af\u30e9\u30b9\u30bf\u306e\u30b5\u30dd\u30fc\u30c8<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u3000\u524d\u56de\u3001mbstring\u95a2\u9023\u306e\u6a5f\u80fd\u5f37\u5316\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002PHP 8.4\u3067\u306f\u3001Unicode\u30d0\u30fc\u30b8\u30e7\u30f39.0\u4ee5\u964d\u3067\u5c0e\u5165\u3055\u308c\u305f\u66f8\u8a18\u7d20\u30af\u30e9\u30b9\u30bf (grapheme cluster) \u306b\u57fa\u3065\u304f\u3001\u6587\u5b57\u5217\u306e\u5206\u5272\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u66f8\u8a18\u7d20\u30af\u30e9\u30b9\u30bf\u306f\u3001Unicode\u306b\u304a\u3044\u3066\u300c\u81ea\u7136\u306a\uff11\u6587\u5b57\u300d\u3092\u8868\u3059\u5358\u4f4d\u3067\u3059\u3002Unicode\u3067\u8868\u3055\u308c\u308b\u6587\u5b57\u306e\u4e00\u90e8\uff08\u7d75\u6587\u5b57\u306a\u3069\uff09\u306f\u3001\u8907\u6570\u306e\u30b3\u30fc\u30c9\u30dd\u30a4\u30f3\u30c8\u304b\u3089\u69cb\u6210\u3055\u308c\u307e\u3059\u3002\u30de\u30eb\u30c1\u30d0\u30a4\u30c8\u6587\u5b57\u3092\u6271\u3046mbstring\u30a8\u30af\u30b9\u30c6\u30f3\u30b7\u30e7\u30f3\u306e\u95a2\u6570\uff08mb_str_split\u306a\u3069\uff09\u306f\u73fe\u6642\u70b9\u3067\u66f8\u8a18\u7d20\u30af\u30e9\u30b9\u30bf\u306b\u672a\u5bfe\u5fdc\u3067\u3059\u304c\u3001PHP 8.4\u3067\u8ffd\u52a0\u3055\u308c\u308bgraphen_str_split\u95a2\u6570\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u66f8\u8a18\u7d20\u30af\u30e9\u30b9\u30bf\u5358\u4f4d\u306e\u51e6\u7406\u304c\u8ffd\u52a0\u3055\u308c\u3001\u300c\u81ea\u7136\u306a\uff11\u6587\u5b57\u300d\u6bce\u306b\u6587\u5b57\u5217\u3092\u5206\u5272\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u66f8\u8a18\u7d20\u30af\u30e9\u30b9\u30bf\u306b\u3088\u308a\u8868\u308f\u3055\u308c\u308b\u6587\u5b57\u306b\u306f\u3001\u5404\u56fd\u306e\u56fd\u65d7\u3001\u5bb6\u65cf\u69cb\u6210\u306e\u7570\u306a\u308b\u5bb6\u65cf\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u4ee5\u4e0b\u3001\u7c21\u5358\u306a\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3053\u306e\u4f8b\u3067\u306f\u3001\u65e5\u672c\u56fd\u65d7\u3092\u8868\u3059\u66f8\u8a18\u7d20\u30af\u30e9\u30b9\u30bf\uff08U+1F1EF U+1F1F5\uff09\u3092\u6587\u5b57\u5358\u4f4d\u3067\u5206\u5272\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;?php\n$str = \"\\u{1F1EF}\\u{1F1F5}\"; \/\/ \u65e5\u672c\u56fd\u65d7&#91;JP]\nvar_dump(mb_str_split($str));<\/code><\/pre>\n\n\n\n<p>\u3000\u3053\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c\u3059\u308b\u3068\u51fa\u529b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u3001mbstring\u30a8\u30af\u30b9\u30c6\u30f3\u30b7\u30e7\u30f3\u306emb_str_split()\u95a2\u6570\u306b\u3088\u308a4\u30d0\u30a4\u30c8\u306e\u6587\u5b572\u3064\u306b\u5206\u89e3\u3055\u308c\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>array(2) {\n\u00a0 &#91;0]=>\n\u00a0 string(4) \"\ud83c\uddef\" \/\/ U+1F1EF\n\u00a0 &#91;1]=>\n\u00a0 string(4) \"\ud83c\uddf5\" \/\/ U+1F1F5\n}<\/code><\/pre>\n\n\n\n<p>Unicode\u306e\u30b3\u30fc\u30c9\u30dd\u30a4\u30f3\u30c8\u3068\u3057\u3066\u306f\u6b63\u3057\u304f\u5206\u5272\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u66f8\u8a18\u7d20\u30af\u30e9\u30b9\u30bf\u5358\u4f4d\u3067\u306e\u5206\u5272\u306f\u884c\u308f\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u3000\u3067\u306f\u3001\u6b21\u306bPHP 8.4\u3067\u5c0e\u5165\u3055\u308c\u308bgrapheme_str_split()\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3053\u306e\u95a2\u6570\u306f\u3001ICU\u3068\u3044\u3046\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u6a5f\u80fd\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u3067\u5b9f\u73fe\u3055\u308c\u3066\u304a\u308a\u3001intl\u30a8\u30af\u30b9\u30c6\u30f3\u30b7\u30e7\u30f3\u3092PHP\u8d77\u52d5\u6642\u306b\u7d44\u307f\u8fbc\u3080\u3053\u3068\u3067\u5229\u7528\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>var_dump(grapheme_str_split($str)&#91;0]); \/\/ string(8) \"\ud83c\uddef\ud83c\uddf5\"<\/code><\/pre>\n\n\n\n<p>&nbsp;\u51fa\u529b\u306f\u3001\u300cstring(8) \"\ud83c\uddef\ud83c\uddf5\"\u300d\u3068\u306a\u308a\u3001\u66f8\u8a18\u7d20\u30af\u30e9\u30b9\u30bf\u5358\u4f4d\u3067\u306e\u5206\u5272\u304c\u884c\u308f\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u540c\u69d8\u306e\u51e6\u7406\u306f\u3001Unicode\u306b\u5bfe\u5fdc\u3057\u305f\u6b63\u898f\u8868\u73fe\u95a2\u6570\u3067\u3082\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001mbstring\u306b\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u6b63\u898f\u8868\u73fe\u30e9\u30a4\u30d6\u30e9\u30ea\u300c\u9b3c\u8eca\u300d\u3092\u5229\u7528\u3059\u308b\u6b63\u898f\u8868\u73fe\u30de\u30c3\u30c1\u95a2\u6570mb_ereg()\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u3001\u30de\u30c3\u30c1\u5bfe\u8c61\u306b\u300c\\X\u300d\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u66f8\u8a18\u7d20\u30af\u30e9\u30b9\u30bf\u5358\u4f4d\u3067\u306e\u30de\u30c3\u30c1\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>mb_ereg('(\\X)', $str, $match);\nvar_dump($match&#91;1]); \/\/ string(8) \"\ud83c\uddef\ud83c\uddf5\"<\/code><\/pre>\n\n\n\n<p>\u30de\u30c3\u30c1\u5bfe\u8c61\u304c\u3001\u914d\u5217$match\u306b\u3088\u308a\u53d6\u5f97\u3055\u308c\u3001\u7b2c2\u8981\u7d20\u306b\u30de\u30c3\u30c1\u3057\u305f\u66f8\u8a18\u7d20\u30af\u30e9\u30b9\u30bf\u5358\u4f4d\u306e\u6587\u5b57\u304c\u53d6\u5f97\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u540c\u69d8\u306b\u3001PCRE\u30a8\u30af\u30b9\u30c6\u30f3\u30b7\u30e7\u30f3\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>preg_match(\"\/(\\X)\/u\", $str, $match);\nvar_dump($match&#91;1]); \/\/ string(8) \"\ud83c\uddef\ud83c\uddf5\"<\/code><\/pre>\n\n\n\n<p>\u3000\u540c\u3058\u304f\u3001\u66f8\u8a18\u7d20\u30af\u30e9\u30b9\u30bf\u5358\u4f4d\u306e\u30de\u30c3\u30c1\u3057\u305f\u6587\u5b57\u304c\u6b63\u3057\u304f\u51fa\u529b\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000<\/p>\n\n\n<div class=\"gb-container gb-container-0df27cd7\">\n<div class=\"gb-container gb-container-1340f01a\">\n<div class=\"gb-container gb-container-4ff6e540\">\n\n<p>\u3000\u3053\u306e\u3088\u3046\u306b\u3001\u66f8\u8a18\u7d20\u30af\u30e9\u30b9\u30bf\u5358\u4f4d\u306e\u6587\u5b57\u5206\u5272\u306b\u3064\u3044\u3066\u306f\u3001Unicode\u5bfe\u5fdc\u306e\u6b63\u898f\u8868\u73fe\u95a2\u6570\u3092\u7528\u3044\u3066\u3082\u5b9f\u884c\u3067\u304d\u307e\u3059\u304c\u3001grapheme_str_split()\u95a2\u6570\u306f\u3001PHP\u6a19\u6e96\u306e\u95a2\u6570str_split()\u3068\u540c\u69d8\u306a\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u306b\u3088\u308a\u3001\u3088\u308a\u4fbf\u5229\u306b\u5229\u7528\u3067\u304d\u308b\u3053\u3068\u304c\u5229\u70b9\u3068\u601d\u308f\u308c\u307e\u3059\u3002<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E9%AB%98%E9%80%9F%E3%81%AAAES%E3%81%AB%E5%9F%BA%E3%81%A5%E3%81%8F%E8%AA%8D%E8%A8%BC%E4%BB%98%E3%81%8D%E6%9A%97%E5%8F%B7%E3%82%A2%E3%83%AB%E3%82%B4%E3%83%AA%E3%82%BA%E3%83%A0%E3%81%8C%E5%B0%8E%E5%85%A5%E3%81%95%E3%82%8C%E3%82%8B\"><\/span>\u9ad8\u901f\u306aAES\u306b\u57fa\u3065\u304f\u8a8d\u8a3c\u4ed8\u304d\u6697\u53f7\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u5c0e\u5165\u3055\u308c\u308b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u6697\u53f7\u51e6\u7406\u3092\u884c\u3046Sodium\u30a8\u30af\u30b9\u30c6\u30f3\u30b7\u30e7\u30f3\u306b\u304a\u3044\u3066\u306f\u3001\u8907\u6570\u65b9\u5f0f\u306b\u3088\u308b\u8a8d\u8a3c\u4ed8\u304d\u6697\u53f7\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u306f\u3001AES-GCM\u3001CHACHA20-POLY1305\u306e\u3088\u3046\u306a\u65e2\u5b58\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u6bd4\u3079\u3066\u5927\u5e45\u306b\u5b9f\u884c\u901f\u5ea6\u304c\u9ad8\u3044\u6697\u53f7\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>PHP 8.4\u3067\u306f\u3001 libsodium 1.0.19\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u3055\u308c\u305f\u5834\u5408\u3001\u65b0\u3057\u3044\u9ad8\u901f\u306a\u6697\u53f7\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u3042\u308b AEGIS-128L\u3001AEGIS256 \u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5909\u6570$message\u306b\u4ee3\u5165\u3055\u308c\u305f\u6587\u5b57\u5217\u3092AEGIS-128L\u306b\u3088\u308a\u6697\u53f7\u5316\u3059\u308b\u7c21\u5358\u306a\u30b3\u30fc\u30c9\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;?php\nkey = sodium_crypto_aead_aegis128l_keygen();\n$nonce = random_bytes(SODIUM_CRYPTO_AEAD_AEGIS128L_NPUBBYTES);\n$additional_data = ''; \/\/ \u8ffd\u52a0\u30c7\u30fc\u30bf(\u7a7a\u6587\u5b57\u5217\u307e\u305f\u306f\u4efb\u610f\u306e\u30c7\u30fc\u30bf)\n$message = 'Hello'; \/\/ \u6697\u53f7\u5bfe\u79f0\u306e\u30c7\u30fc\u30bf\n$ciphertext = sodium_crypto_aead_aegis128l_encrypt($message, $additional_data, $nonce, $key); \/\/ \u6697\u53f7\u5316<\/code><\/pre>\n\n\n\n<p>sodium_crypto_aead_aegis128l_encrypt() \u95a2\u6570\u306b\u6697\u53f7\u5316\u5bfe\u79f0\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3001\u4ed8\u52a0\u30c7\u30fc\u30bf\u3001\u30ce\u30f3\u30b9\u3068\u79d8\u5bc6\u9375\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u8a8d\u8a3c\u4ed8\u304d\u6697\u53f7\u5316\u3055\u308c\u305f\u6697\u53f7\u30c7\u30fc\u30bf\u304c\u751f\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u5fa9\u53f7\u306b\u306f\u3001sodium_crypto_aead_aegis128l_decrypt()\u3000\u95a2\u6570\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$decryptedMessage = sodium_crypto_aead_aegis128l_decrypt($ciphertext, $additional_data, $nonce, $key); \/\/ \"Hello\"<\/code><\/pre>\n\n\n\n<p>\u3000\u5f93\u6765\u304b\u3089\u7528\u3044\u3089\u308c\u308b\u6a19\u6e96\u7684\u306a\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u3057\u3066AES256GCM\u3001CHACHA20POLY1305\u3068\u5b9f\u884c\u901f\u5ea6\u3092\u6bd4\u8f03\u3057\u305f\u7d50\u679c\u3092\u68d2\u30b0\u30e9\u30d5\u306b\u793a\u3057\u307e\u3059\u3002128\u30d3\u30c3\u30c8\u6697\u53f7\u306eAEGIS128L\u3001256\u30d3\u30c3\u30c8\u6697\u53f7\u306eAEGIS256\u3092\u8a55\u4fa1\u3057\u3066\u3044\u307e\u3059\u3002\u6697\u53f7\u5316\u5165\u529b\u306f\u30e9\u30f3\u30c0\u30e0\u306b\u751f\u6210\u3057\u305f1\u30ad\u30ed\u30d0\u30a4\u30c8\u306e\u30d0\u30a4\u30c8\u5217\u3068\u3057\u3001100\u4e07\u56de\u6697\u53f7\u5316\u51e6\u7406\u3059\u308b\u306e\u306b\u8981\u3057\u305f\u6642\u9593\u3092\u8a08\u6e2c\u3057\u3066\u3044\u307e\u3059\u3002\u7d50\u679c\u306f\u3001\u6642\u9593\u3042\u305f\u308a\u306e\u51e6\u7406\u56de\u6570\uff08Gops\/s\uff09\u3067\u793a\u3057\u3066\u304a\u308a\u3001AEGIS128L\u306fAES256GCM\u3001CHACHA20POLY1305\u306b\u5bfe\u3057\u3066\u3001<\/p>\n\n\n\n<p>\u305d\u308c\u305e\u308c\u30011.7\u500d\u30016.5\u500d\u306b\u9ad8\u901f\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001AEGIS256\u306fAES256GCM\u3001CHACHA20POLY1305\u306b\u5bfe\u3057\u3066\u3001\u305d\u308c\u305e\u308c1.3\u500d\u30014.9\u500d\u306b\u9ad8\u901f\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"375\" height=\"519\" src=\"https:\/\/www.prime-strategy.co.jp\/column\/wp-content\/uploads\/2024\/05\/image.png\" alt=\"\" class=\"wp-image-8368\" srcset=\"https:\/\/kusanagi.tokyo\/column\/wp-content\/uploads\/2024\/05\/image.png 375w, https:\/\/kusanagi.tokyo\/column\/wp-content\/uploads\/2024\/05\/image-217x300.png 217w\" sizes=\"auto, (max-width: 375px) 100vw, 375px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%83%91%E3%82%B9%E3%83%AF%E3%83%BC%E3%83%89%E7%94%A8%E3%83%8F%E3%83%83%E3%82%B7%E3%83%A5%E9%96%A2%E6%95%B0%E3%81%AE%E6%A8%99%E6%BA%96%E3%82%B3%E3%82%B9%E3%83%88%E3%81%8C%E5%A4%89%E6%9B%B4%E3%81%95%E3%82%8C%E3%82%8B\"><\/span>\u30d1\u30b9\u30ef\u30fc\u30c9\u7528\u30cf\u30c3\u30b7\u30e5\u95a2\u6570\u306e\u6a19\u6e96\u30b3\u30b9\u30c8\u304c\u5909\u66f4\u3055\u308c\u308b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>PHP\u3067\u306f\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u7528\u30cf\u30c3\u30b7\u30e5\u95a2\u6570password_hash()\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u95a2\u6570\u306f\u3001\u7d0411\u5e74\u524d\u306b\u5c0e\u5165\u3055\u308c\u305f\u3082\u306e\u3067\u3059\u304c\u3001\u4f9d\u983c\u3001\u4e3b\u8981\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u3042\u308b\u30b3\u30b9\u30c8\u306b\u95a2\u3057\u3066\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u304c\u5909\u66f4\u3055\u308c\u306a\u3044\u307e\u307e\u306b\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u3053\u306e\u9593\u3001\u653b\u6483\u5074\u3067\u5229\u7528\u3055\u308c\u308b\u3068\u60f3\u5b9a\u3055\u308c\u308b\u8a08\u7b97\u6a5f\u80fd\u529b\u306f\u9032\u6b69\u3057\u3066\u304a\u308a\u3001\u30cf\u30c3\u30b7\u30e5\u95a2\u6570\u3092\u8a08\u7b97\u3059\u308b\u305f\u3081\u306b\u8981\u3059\u308b\u6642\u9593\u304c\u6e1b\u308b\u3053\u3068\u3067\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u76f8\u5bfe\u7684\u306b\u8106\u5f31\u306b\u306a\u3063\u3066\u3044\u308b\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002PHP 8.4\u3067\u306f\u3001\u6a19\u6e96\u306e PASSWORD_BCRYPT\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u4f7f\u7528\u3055\u308c\u308bBCrypt\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u30b3\u30b9\u30c8\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u304c\u30014\u500d\uff0810\u21d212\uff09\u306b\u5897\u52a0\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3067\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u30cf\u30c3\u30b7\u30e5\u3092100\u56de\u8a08\u7b97\u3057\u3001\u5404PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u5b9f\u884c\u3057\u3001\u6240\u8981\u6642\u9593\u3092\u6bd4\u3079\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$iter = 100;\n$start = microtime(true);\nfor ($i = 0; $i &lt; $iter; $i++) {\n\u00a0 \u00a0 $dummy = password_hash((string) $i, \\PASSWORD_BCRYPT);\n}\n$end = microtime(true);<\/code><\/pre>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u30b0\u30e9\u30d5\u306b\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u4e00\u56de\u8a08\u7b97\u3059\u308b\u306e\u306b\u8981\u3057\u305f\u6642\u9593\u3092\u793a\u3057\u307e\u3059\u3002PHP 8.4\u3067\u306f\u4ee5\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u5bfe\u3057\u3066\u7d044\u500d\u306e\u6642\u9593\u3092\u8981\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"243\" height=\"491\" src=\"https:\/\/www.prime-strategy.co.jp\/column\/wp-content\/uploads\/2024\/05\/image-1.png\" alt=\"\" class=\"wp-image-8369\" srcset=\"https:\/\/kusanagi.tokyo\/column\/wp-content\/uploads\/2024\/05\/image-1.png 243w, https:\/\/kusanagi.tokyo\/column\/wp-content\/uploads\/2024\/05\/image-1-148x300.png 148w\" sizes=\"auto, (max-width: 243px) 100vw, 243px\" \/><\/figure>\n\n\n\n<p>\u3000\u4eca\u56de\u306f\u3001\u524d\u56de\u306b\u7d9a\u3044\u306611\u6708\u306e\u30ea\u30ea\u30fc\u30b9\u306b\u5411\u3051\u3066\u672c\u683c\u7684\u306b\u958b\u767a\u304c\u958b\u59cb\u3055\u308c\u305fPHP 8.4\u306b\u304a\u3051\u308b\u5909\u66f4\u70b9\u306e\u4e00\u90e8\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002\u6b21\u56de\u4ee5\u964d\u3082PHP 8.4\u306e\u305d\u306e\u4ed6\u306e\u5909\u66f4\u70b9\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30002024\u5e74\u306e\u5b63\u7bc0\u3082\u6625\u304b\u3089\u590f\u306b\u5411\u304b\u3044\u3001\u6691\u3055\u3092\u611f\u3058\u308b\u65e5\u3082\u5897\u3048\u3066\u3044\u307e\u3059\u3002\u79cb\u306e\u30ea\u30ea\u30fc\u30b9\u306b\u5411\u3051\u3066\u3001\u6b21\u306e\u30de\u30a4\u30ca\u30fc\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3042\u308b\u30d0\u30fc\u30b8\u30e7\u30f38.4\u306e\u958b\u767a ... <a title=\"PHP\u306e\u6700\u65b0\u72b6\u6cc1\uff1aPHP 8.4\u306e\u958b\u767a\u304c\u672c\u683c\u5316\uff08PHP\u91cd\u93ae\u306e\u5ee3\u5ddd\u985e\u6c0f\u306b\u3088\u308b\u30b3\u30e9\u30e0\u7b2c35\u56de\uff09\" class=\"read-more\" href=\"https:\/\/kusanagi.tokyo\/column\/archives\/column_8366\" aria-label=\"PHP\u306e\u6700\u65b0\u72b6\u6cc1\uff1aPHP 8.4\u306e\u958b\u767a\u304c\u672c\u683c\u5316\uff08PHP\u91cd\u93ae\u306e\u5ee3\u5ddd\u985e\u6c0f\u306b\u3088\u308b\u30b3\u30e9\u30e0\u7b2c35\u56de\uff09 \u306b\u3064\u3044\u3066\u3055\u3089\u306b\u8aad\u3080\">Read more<\/a><\/p>\n","protected":false},"author":14,"featured_media":1280,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"content-type":"","footnotes":""},"categories":[15],"tags":[110],"series":[50],"journey":[99],"product":[],"class_list":["post-8366","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php","tag-technical-guides","series-php-column-hiirokawa","journey-run","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-33","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PHP\u306e\u6700\u65b0\u72b6\u6cc1\uff1aPHP 8.4\u306e\u958b\u767a\u304c\u672c\u683c\u5316\uff08PHP\u91cd\u93ae\u306e\u5ee3\u5ddd\u985e\u6c0f\u306b\u3088\u308b\u30b3\u30e9\u30e0\u7b2c35\u56de\uff09 - KUSANAGI Tech Column<\/title>\n<meta name=\"robots\" content=\"index, follow, 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