{"id":5152,"date":"2022-08-09T14:30:07","date_gmt":"2022-08-09T05:30:07","guid":{"rendered":"https:\/\/column.prime-strategy.co.jp\/?p=5152"},"modified":"2026-02-17T02:08:18","modified_gmt":"2026-02-16T17:08:18","slug":"post-5152","status":"publish","type":"post","link":"https:\/\/kusanagi.tokyo\/column\/archives\/column_5152","title":{"rendered":"PHP\u91cd\u93ae\u306e\u5ee3\u5ddd\u985e\u6c0f\u306b\u3088\u308b\u30b3\u30e9\u30e0\u300cPHP\u306e\u6700\u65b0\u72b6\u6cc1\uff1aPHP 8.2\u63a1\u7528\u306e\u6a5f\u80fd\u304c\u6c7a\u307e\u308b\u300d\uff08\u7b2c25\u56de\uff09"},"content":{"rendered":"\n

\u3000\u590f\u672c\u756a\u3068\u306a\u308a\uff0c\u6691\u3044\u65e5\u3005\u304c\u7d9a\u3044\u3066\u3044\u307e\u3059\uff0e\u6b21\u306e\u30de\u30a4\u30ca\u30fc\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3042\u308bPHP 8.2\u306e\u958b\u767a\u304c\u9032\u884c\u3057\u3066\u304a\u308a\uff0c\u63a1\u7528\u3055\u308c\u308b\u65b0\u3057\u3044\u6a5f\u80fd\u304a\u3088\u3073\u5909\u66f4\u70b9\u304c\u6c7a\u5b9a\u3057\u3066\u3044\u307e\u3059\uff0e\u672c\u7a3f\u3067\u306f\uff0c\u524d\u56de\u306b\u3064\u3065\u3044\u3066PHP 8.2\u306e\u958b\u767a\u4f53\u5236\u3068\u63d0\u6848\u3055\u308c\u3066\u3044\u308b\u6a5f\u80fd\u306e\u7d39\u4ecb\u3092\u884c\u3044\u307e\u3059\uff0e<\/p>\n\n\n\n

Mbstring\u95a2\u9023\u306e\u4fee\u6b63<\/h4>\n\n\n\n

\u73fe\u5728\u306e\u6700\u65b0\u7248\u3067\u3042\u308bPHP 8.1\u7cfb\u306b\u304a\u3044\u3066\uff0c\u30b7\u30d5\u30c8JIS\u3068Unicode\u306e\u9593\u306e\u6587\u5b57\u30b3\u30fc\u30c9\u5909\u63db\u304c\u4fee\u6b63\u3055\u308c\u307e\u3057\u305f\uff0ePHP\u306b\u304a\u3051\u308b\u30b7\u30d5\u30c8JIS\uff08\u6587\u5b57\u30b3\u30fc\u30c9\uff1aSJIS\uff09\u306f\uff0c\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u7cfbOS\u306b\u304a\u3051\u308b\u5b9a\u7fa9\u306b\u57fa\u3065\u3044\u3066\u3044\u307e\u3057\u305f\u304c\uff0cPHP 8.1.0\u306b\u304a\u3044\u3066\u4e00\u90e8\u306e\u6587\u5b57\u306e\u5909\u63db\u304cJIS\u898f\u683c\uff08JIS X 0201\uff09\u306b\u57fa\u3065\u304f\u5b9a\u7fa9\u306b\u5909\u66f4\u3055\u308c\u307e\u3057\u305f\uff0e\u3057\u304b\u3057\uff0c\u904e\u53bb\u306e\u30b3\u30fc\u30c9\u3068\u306e\u4e92\u63db\u6027\u306b\u95a2\u3059\u308b\u554f\u984c\u3092\u767a\u751f\u3057\u305f\u305f\u3081\uff0c7\u67087\u65e5\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305fPHP 8.1.8\u306b\u304a\u3044\u3066\uff0c\u904e\u53bb\u306e\u52d5\u4f5c\u306b\u623b\u3059\u4fee\u6b63\u304c\u884c\u308f\u308c\u3066\u3044\u307e\u3059\uff0e<\/p>\n\n\n\n

\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u306f\uff0c\u30b7\u30d5\u30c8JIS\u306e\\\u3092Unicode\u306b\u5909\u63db\u3057\u3066\uff0c\u51fa\u529b\u3057\u307e\u3059\uff0e<\/p>\n\n\n\n

echo mb_convert_encoding(\"\\x5C\",\"UCS2\",\"SJIS\");<\/code><\/pre>\n\n\n\n
PHP 8.1.0\u3088\u308a\u4ee5\u524d\u306ePHP\u3067\u306f\u3053\u306e\u30b3\u30fc\u30c9\u306e\u51fa\u529b\u306f 0x005C \uff08\u534a\u89d2\u30d0\u30c3\u30af\u30b9\u30e9\u30c3\u30b7\u30e5\uff09\u3067\u3057\u305f\u304c\uff0cPHP 8.1.0\u304b\u30898.1.7\u307e\u3067\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\uff0c0x00A5\uff08\u5186\u8a18\u53f7\uff09\u306b\u5909\u63db\u3055\u308c\u3066\u3044\u307e\u3057\u305f\uff0e\u65e5\u672c\u8a9e\u306e\u7b26\u53f7\u5316\u6587\u5b57\u96c6\u5408\u306e\u898f\u683c\u3067\u3042\u308bJIS X 0201\u3067\u306f\uff0c0x5C\u306f\u5186\u8a18\u53f7\u3068\u306a\u3063\u3066\u3044\u307e\u3059\uff0e\u4e00\u65b9\uff0cUnicode\u3067\u306f\u30e9\u30c6\u30f31\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306b\u57fa\u3065\u304d\uff0c0x5C\u306f\u30d0\u30c3\u30af\u30b9\u30e9\u30c3\u30b7\u30e5\uff0c\u5186\u8a18\u53f7\u306f0xA5\u306b\u5272\u308a\u4ed8\u3051\u3089\u308c\u3066\u3044\u307e\u3059\uff0e\u3053\u306e\u305f\u3081\uff0cPHP 8.1\u7cfb\u306b\u304a\u3051\u308b\u5909\u66f4\u81ea\u4f53\u306fJIS\u898f\u683c\u306b\u57fa\u3065\u304f\u5909\u66f4\u306a\u306e\u3067\u3059\u304c\uff0c\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u793e\u306e\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u3067\u3042\u308bWindows\u3067\u306f\uff0c\u5f93\u6765\u304b\u3089\uff0c\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30bb\u30d1\u30ec\u30fc\u30bf\u3068\u3057\u30660x5C\u3092\u5229\u7528\u3057\uff0c\u5186\u8a18\u53f7\u3068\u3057\u3066\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u305f\u3081\uff0c\u904e\u53bb\u306b\u30b7\u30d5\u30c8JIS\u3068Unicode\u3068\u306e\u9593\u306e\u6587\u5b57\u30b3\u30fc\u30c9\u306e\u76f8\u4e92\u5909\u63db\u306e\u969b\u306b\u6df7\u4e71\u3092\u751f\u3058\u3066\u3044\u307e\u3059\uff0ePHP\u306embstring\u30a8\u30af\u30b9\u30c6\u30f3\u30b7\u30e7\u30f3\u3067\u306f\uff0c\u5f93\u6765\uff0c\u73fe\u5b9f\u7684\u306a\u59a5\u5354\u7b56\u3068\u3057\u3066\u591a\u304f\u306e\u30e6\u30fc\u30b6\u304c\u5229\u7528\u3059\u308bWindows\u65b9\u5f0f\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\uff0e<\/p>\n\n\n\n
\u3000\u540c\u69d8\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30c1\u30eb\u30c0\u306b\u95a2\u3059\u308b\u5909\u63db\u3082\u554f\u984c\u3068\u306a\u308a\u307e\u3059\uff0e<\/p>\n\n\n\n
echo mb_convert_encoding(\"\\x7E\",\"UCS2\",\"SJIS\");<\/code><\/pre>\n\n\n\n
\u3000PHP 8.1.0\u3088\u308a\u4ee5\u524d\u306ePHP\u3067\u306f\u3053\u306e\u30b3\u30fc\u30c9\u306e\u51fa\u529b\u306f0x007E\uff08\u30c1\u30eb\u30c0\uff09\u3068\u306a\u308a\u307e\u3059\uff0e\u4e00\u65b9\uff0cPHP 8.1.0\u304b\u30898.1.7\u307e\u3067\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u5b9f\u884c\u3059\u308b\u3068\uff0c0x203E\uff08\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30f3\uff09\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\uff0e\u3053\u306e\u5909\u63db\u3082\u5148\u7a0b\u3068\u540c\u69d8\u306bJIS X 0201\u3068Windows\u306b\u304a\u3051\u308b\u30b7\u30d5\u30c8JIS\u306e\u6271\u3044\u306e\u5dee\u306b\u8d77\u56e0\u3057\u3066\uff0cUnicode\u3068\u306e\u5909\u63db\u3092\u884c\u3046\u969b\u306b\u4e92\u63db\u6027\u306e\u554f\u984c\u3092\u767a\u751f\u3057\u3066\u304d\u305f\u30b3\u30fc\u30c9\u3068\u306a\u308a\u307e\u3059\uff0e<\/p>\n\n\n\n
\u3000\u3053\u308c\u3089\u306e\u5909\u63db\u7d50\u679c\u306f\uff0cPHP 8.1.8\u4ee5\u964d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u304a\u3044\u3066\uff0c\u4e92\u63db\u6027\u7dad\u6301\u306e\u305f\u3081\u306b\u3044\u305a\u308c\u3082PHP 8.1.0\u3088\u308a\u524d\u306e\u52d5\u4f5c\u306b\u623b\u3055\u308c\u3066\u3044\u307e\u3059\uff0e<\/p>\n\n\n\n
PHP 8.2\u306e\u958b\u767a\u72b6\u6cc1<\/h4>\n\n\n\n
\u3000\u4eca\u5e74\u306e11\u670824\u65e5\u306b\u8a08\u753b\u3055\u308c\u3066\u3044\u308b\u6b63\u5f0f\u30ea\u30ea\u30fc\u30b9\u306b\u5411\u3051\u3066\uff0cPHP 8.2\u306e\u958b\u767a\u304c\u9032\u3093\u3067\u3044\u307e\u3059\uff0e6\u6708\u304b\u30897\u6708\u306b\u304b\u3051\u3066\u03b1\u7248\u304c3\u56de\u30ea\u30ea\u30fc\u30b9\u3055\u308c\uff0c7\u670819\u65e5\u306b\u30d5\u30a3\u30fc\u30c1\u30e3\u30fc\u30d5\u30ea\u30fc\u30ba\uff08\u63a1\u7528\u3055\u308c\u308b\u6a5f\u80fd\u306e\u7de0\u3081\u5207\u308a\uff09\u304c\u5ba3\u8a00\u3055\u308c\u3066\u3044\u307e\u3059\uff0e\u305d\u306e\u5f8c\uff0c 7\u670821\u65e5\u306b\u6700\u521d\u306e\u30d9\u30fc\u30bf\u7248\uff08\u03b21\uff09\u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u3066\u304a\u308a\uff0c\u4eca\u5f8c\uff0c8\u6708\u307e\u3067\u306b\u5f8c2\u56de\u306e\u03b2\u30ea\u30ea\u30fc\u30b9\u304c\u884c\u308f\u308c\u308b\u4e88\u5b9a\u3067\u3059\uff0e\uff19\u6708\u4ee5\u964d\u306f\u30ea\u30ea\u30fc\u30b9\u5019\u88dc\u7248\u304c\uff12\u9031\u9593\u306b\uff11\u56de\u306e\u30da\u30fc\u30b9\u3067\u30ea\u30ea\u30fc\u30b9\u3055\u308c\uff0c\u8a08\u753b\u901a\u308a\u3067\u3042\u308c\u307011\u670824\u65e5\u306b\u30ea\u30ea\u30fc\u30b9\u3092\u8fce\u3048\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\uff0e\u524d\u8a18\u306embstring\u3067\u767a\u751f\u3057\u305f\u904e\u53bb\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u4e92\u63db\u6027\u306e\u554f\u984c\u306f\u898b\u9003\u3057\u3066\u3057\u307e\u3063\u305f\u7b46\u8005\u306b\u3068\u3063\u3066\u3082\u53cd\u7701\u4e8b\u9805\u3067\u3059\u304c\uff0c\u8aad\u8005\u306e\u7686\u69d8\u3082\u03b2\u7248\uff0c\u30ea\u30ea\u30fc\u30b9\u5019\u88dc\u7248\u3092\u30c6\u30b9\u30c8\u3057\u3066\u3044\u305f\u3060\u304d\uff0c\u5b89\u5b9a\u3057\u305f\u6b63\u5f0f\u7248\u306e\u30ea\u30ea\u30fc\u30b9\u306b\u5411\u3051\u3066\u3054\u652f\u63f4\u3044\u305f\u3060\u3051\u308c\u3070\u3068\u601d\u3044\u307e\u3059\uff0e<\/p>\n\n\n\n
\u4e71\u6570\u5b9f\u88c5\u306e\u6539\u5584<\/h4>\n\n\n\n
\u3000PHP 8.2\u3067\u306f\uff0c\u4e71\u6570\u751f\u6210\u6a5f\u80fd\u304c\u5f37\u5316\u3055\u308c\u307e\u3059\uff0e\u4e71\u6570\u751f\u6210\u6a5f\u80fd\u306f\uff0c\u30e2\u30f3\u30c6\u30ab\u30eb\u30ed\u6cd5\u3084\u30b2\u30fc\u30e0\u306a\u3069\u306b\u5229\u7528\u3055\u308c\uff0c\u7d71\u8a08\u7684\u306b\u504f\u308a\u304c\u306a\u304f\uff0c\u9ad8\u901f\u306b\u751f\u6210\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\uff0ePHP 7.1\u4ee5\u964d\u3067\u306f\uff0c\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u4e71\u6570\u751f\u6210\u5668\u306b\u30e1\u30eb\u30bb\u30f3\u30cc\u30fb\u30c4\u30a4\u30b9\u30bf\u30fc\uff08MT\uff09\u6cd5\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\uff0e\u73fe\u5728\u306e\u5b9f\u88c5\u306b\u306f\uff0c\u4e71\u6570\u5217\u306e\u72b6\u614b\u3092\u30b0\u30ed\u30fc\u30d0\u30eb\u306b\u4fdd\u6301\u3057\u3066\u304a\u308a\uff0cMT\u6cd5\u3092\u5185\u90e8\u7684\u306b\u4f7f\u7528\u3059\u308bPHP\u7d44\u8fbc\u307f\u95a2\u6570\uff08\u4f8b\uff1astr_shuffle\uff09\u3092\u30b3\u30fc\u30eb\u3057\u3066\u3057\u307e\u3046\u3068\uff0c\u72b6\u614b\u306e\u518d\u73fe\u6027\u304c\u5931\u308f\u308c\u3066\u3057\u307e\u3046\u3068\u3044\u3046\u8ab2\u984c\u304c\u3042\u308a\u307e\u3059\uff0e\u307e\u305f\uff0cMT\u6cd5\u306f\u4e71\u6570\u5217\u3092\u9ad8\u901f\u306b\u751f\u6210\u3067\u304d\u308b\u512a\u308c\u305f\u624b\u6cd5\u3067\u3059\u304c\uff0c\u63d0\u6848\u304b\u308925\u5e74\u304c\u7d4c\u904e\u3057\uff0c\u4e00\u90e8\u306e\u7d71\u8a08\u7684\u306a\u30c6\u30b9\u30c8\uff08Crush\u304a\u3088\u3073BigCrush\uff09\u3092\u30d1\u30b9\u3067\u304d\u306a\u3044\u3068\u3044\u3046\u554f\u984c\u304c\u6307\u6458\u3055\u308c\u3066\u3044\u307e\u3059\uff0e
\u3000PHP 8.2\u3067\u306f\uff0c\u5de5\u85e4 \u525b\u6c0f\u304c\u4e3b\u5c0e\u3057\u3066\u63d0\u6848\u3059\u308brandom\u30a8\u30af\u30b9\u30c6\u30f3\u30b7\u30e7\u30f3\u304c\u5c0e\u5165\u3055\u308c\u307e\u3059\uff0eRandom\u30a8\u30af\u30b9\u30c6\u30f3\u30b7\u30e7\u30f3\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u6709\u52b9\u3068\u306a\u3063\u3066\u304a\u308a\uff0c\u4e71\u6570\u751f\u6210\u7528\u30af\u30e9\u30b9\u304c\u5c0e\u5165\u3055\u308c\uff0c\u4e71\u6570\u5217\u306e\u72b6\u614b\u304c\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u6bce\u306b\u4fdd\u6301\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\uff0e\u307e\u305f\uff0c\u7591\u4f3c\u4e71\u6570\u5217\u751f\u6210\u5668\u3068\u3057\u3066\uff0c\u30e1\u30eb\u30bb\u30f3\u30cc\u30fb\u30c4\u30a4\u30b9\u30bf\u30fc\uff08MT19937\uff09\u4ee5\u5916\u306b\uff0c\u7d71\u8a08\u7684\u306b\u512a\u308c\u305f\u7279\u6027\u3092\u6709\u3059\u308bPCG64\u304a\u3088\u3073Xoshiro256**\u3092\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\uff0e\u4ee5\u4e0b\uff0c\u8ab2\u984c\u3092\u5177\u4f53\u4f8b\u3067\u8aac\u660e\u3057\u307e\u3059\uff0e<\/p>\n\n\n\n
\u3000\u7279\u5b9a\u306e\u30b7\u30fc\u30c9\u306b\u95a2\u3059\u308b\u4e71\u6570\u5217\u3092\u751f\u6210\u3057\u305f\u3044\u5834\u5408\uff0cmt_srand\u95a2\u6570\u306b\u3088\u308a\u4e71\u6570\u5217\u306e\u30b7\u30fc\u30c9\uff08\u3053\u3053\u3067\u306f1234\uff09\u3092\u6307\u5b9a\u3057\u307e\u3059\uff0e\u3053\u306e\u5f8c\uff0cmt_rand\u95a2\u6570\u3092\u30b3\u30fc\u30eb\u3059\u308b\u3053\u3068\u3067\uff0c\u6307\u5b9a\u3057\u305f\u7bc4\u56f2\uff08\u3053\u3053\u3067\u306f1\u304b\u3089100\uff09\u306e\u4e71\u6570\uff08\u6574\u6570\uff09\u3092\u751f\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff0e<\/p>\n\n\n\n
mt_srand(1234);
var_dump(mt_rand(1, 100));<\/code><\/pre>\n\n\n\n
\u3000\u3053\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\uff0c\u6574\u6570\u502476\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\uff0e
srand\u95a2\u6570\uff0crand\u95a2\u6570\u306f\uff0c\u305d\u308c\u305e\u308c\uff0cmt_srand\u95a2\u6570\uff0cmt_rand\u95a2\u6570\u306e\u30a8\u30a4\u30ea\u30a2\u30b9\u3068\u3057\u3066\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u306e\u3067\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5b9f\u884c\u3057\u3066\u3082\u51fa\u529b\u306f\u540c\u3058\uff0876\uff09\u306b\u306a\u308a\u307e\u3059\uff0e<\/p>\n\n\n\n
srand(1234);
var_dump(rand(1, 100));<\/code><\/pre>\n\n\n\n
\u6b21\u306bmt_srand()\u95a2\u6570\u306e\u30b3\u30fc\u30eb\u5f8c\uff0cmt_rand()\u95a2\u6570\u3067\u4e71\u6570\u3092\u53d6\u5f97\u3059\u308b\u307e\u3067\u306e\u9593\u306bstr_shuffle\u95a2\u6570\u3092\u30b3\u30fc\u30eb\u3059\u308b\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\uff0e<\/p>\n\n\n\n
mt_srand(1234);
str_shuffle('abc');
var_dump(mt_rand(1, 100));<\/code><\/pre>\n\n\n\n
\u3053\u306e\u4f8b\u306e\u51fa\u529b\u306f\u6574\u6570\u50247\u3068\u306a\u308a\uff0c\u540c\u3058\u30b7\u30fc\u30c9\u5024\u3092\u6307\u5b9a\u3057\u3066\u3044\u308b\u306b\u3082\u95a2\u308f\u3089\u305a\uff0c\u7d50\u679c\u304c\u7570\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\uff0e\u3053\u308c\u306f\uff0cstr_shuffle\u306e\u5185\u90e8\u51e6\u7406\u3067\u30e1\u30eb\u30bb\u30f3\u30cc\u30fb\u30c4\u30a4\u30b9\u30bf\u30fc\u6cd5\u306b\u3088\u308b\u4e71\u6570\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3067\u3059\uff0e\u540c\u69d8\u306bshuffle\u95a2\u6570\uff0carray_rand\u95a2\u6570\u306b\u304a\u3044\u3066\u3082\u30e1\u30eb\u30bb\u30f3\u30cc\u30fb\u30c4\u30a4\u30b9\u30bf\u30fc\u6cd5\u306b\u3088\u308b\u4e71\u6570\u3092\u5185\u90e8\u7684\u306b\u4f7f\u7528\u3057\u3066\u3044\u308b\u305f\u3081\uff0c\u540c\u69d8\u306e\u4e8b\u8c61\u304c\u767a\u751f\u3057\u307e\u3059\uff0e
\u30b7\u30fc\u30c9\u3092\u6307\u5b9a\u3057\u305f\u76f4\u5f8c\u306b\u4e71\u6570\u3092\u751f\u6210\u3059\u308b\u3053\u3068\u3067\uff0c\u3053\u306e\u3088\u3046\u306a\u554f\u984c\u3092\u56de\u907f\u3059\u308b\u3053\u3068\u306f\u53ef\u80fd\u3067\u3059\u304c\uff0c\u5b9f\u969b\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u4e71\u6570\u5217\u3092\u751f\u6210\u3059\u308b\u30b3\u30fc\u30c9\u304c\u5206\u6563\u3057\u3066\u3044\u308b\u3053\u3068\u3082\u591a\u304f\uff0c\u7d50\u679c\u306e\u518d\u73fe\u6027\uff08\u4e88\u6e2c\u6027\uff09\u304c\u306a\u304f\u306a\u308b\u3053\u3068\u3067\uff0c\u81ea\u52d5\u30c6\u30b9\u30c8\u306a\u3069\u304c\u56f0\u96e3\u3068\u306a\u308b\u3068\u3044\u3063\u305f\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u61f8\u5ff5\u304c\u3042\u308a\u307e\u3059\uff0e<\/p>\n\n\n\n
\u7d9a\u3044\u3066\uff0cPHP 8.2\u3067\u8ffd\u52a0\u3055\u308c\u308b\u4e71\u6570\u751f\u6210\u7528\u30af\u30e9\u30b9\u306e\u4f7f\u7528\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\uff0e\u3053\u306e\u6a5f\u80fd\u3092\u5229\u7528\u3059\u308b\u969b\u306b\u306f\uff0c\u307e\u305a\uff0cRandom\\Engine[\u624b\u6cd5]\u306b\u3088\u308a\u7591\u4f3c\u4e71\u6570\u751f\u6210\u30a8\u30f3\u30b8\u30f3\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u5f8c\uff0cRandom\\Randomizer\u306b\u3088\u308a\u7591\u4f3c\u4e71\u6570\u751f\u6210\u5668\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\uff0e<\/p>\n\n\n\n
$engine = new Random\\Engine\\Mt19937(1234);
$randomizer = new Random\\Randomizer($engine);<\/code><\/pre>\n\n\n\n
\u3053\u3053\u3067\u306f\uff0c\u7591\u4f3c\u4e71\u6570\u751f\u6210\u30a8\u30f3\u30b8\u30f3\u3068\u3057\u3066MT19937\u3068\u30b7\u30fc\u30c9\uff081234\uff09\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\uff0e\u524d\u8a18\u306e\u4f8b\u3068\u540c\u69d8\u306b\u6307\u5b9a\u3057\u305f\u7bc4\u56f2\u306e\u4e71\u6570\uff08\u6574\u6570\uff09\u3092\u751f\u6210\u3059\u308b\u5834\u5408\u306fgetInt()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\uff0e<\/p>\n\n\n\n
$randomizer->getInt(1,100)<\/code><\/pre>\n\n\n\n
\u3000\u3053\u306e\u5834\u5408\uff0c\u4e71\u6570\u5217\u306e\u72b6\u614b\u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u6bce\u306b\u4fdd\u6301\u3055\u308c\u308b\u305f\u3081\uff0c\u524d\u8a18\u306e\u4f8b\u306e\u3088\u3046\u306b\u4e71\u6570\u751f\u6210\u524d\u306bstr_shuffle\u95a2\u6570\u306e\u3088\u3046\u306aMT\u4e71\u6570\u751f\u6210\u5668\u3092\u5185\u90e8\u7684\u306b\u5229\u7528\u3059\u308b\u95a2\u6570\u3092\u30b3\u30fc\u30eb\u3057\u3066\u3082\uff0c\u5f71\u97ff\u3092\u53d7\u3051\u307e\u305b\u3093\uff0e
\u3000\u3053\u306e\u6a5f\u80fd\u3067\u306f\uff0c\u3053\u306e\u4ed6\u306b\u3082\u88681\u306b\u793a\u3059\u3088\u3046\u306a\u4e71\u6570\u751f\u6210\u7528\u30e1\u30bd\u30c3\u30c9\u304c\u7528\u610f\u3055\u308c\u3066\u304a\u308a\uff0c\u5f93\u6765\u306e\u95a2\u6570\u306e\u4ee3\u66ff\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff0e<\/p>\n\n\n\n
\u3000\u8868\uff11\u3000\u5f93\u6765\u306e\u95a2\u6570\u3068\u65b0\u6a5f\u80fd\u306e\u30e1\u30bd\u30c3\u30c9\u306e\u5bfe\u5fdc<\/p>\n\n\n\n
\u5f93\u6765\u306e\u95a2\u6570<\/strong><\/td>Random\\Randomizer<\/strong>\u30af\u30e9\u30b9<\/strong><\/td><\/tr>
mt_rand(), random_int()<\/td>getInt()<\/td><\/tr>
random_bytes()<\/td>getBytes()<\/td><\/tr>
shuffle()<\/td>shuffleArray()<\/td><\/tr>
str_shuffle()<\/td>shuffleBytes()<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u305d\u306e\u4ed6\u306e\u6697\u53f7\u751f\u6210\u30a8\u30f3\u30b8\u30f3\u3068\u3057\u3066\uff0c\u30e1\u30eb\u30bb\u30f3\u30cc\u30fb\u30c4\u30a4\u30b9\u30bf\u30fc\u3088\u308a\u3082\u65b0\u3057\u304f\uff0c\u7d71\u8a08\u7684\u306a\u8ab2\u984c\u3092\u89e3\u6c7a\u3057\u3066\u3044\u308bPCG64 \uff08pcg_onseq-128-xsl-rr-64\uff09\u307e\u305f\u306fXoshiro256**\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u306f\u305d\u308c\u305e\u308c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3057\u307e\u3059\uff0e<\/p>\n\n\n\n
$engine = new Random\\Engine\\PcgOneseq128XslRr64([seed]);
$engine = new Random\\Engine\\Xoshiro256StarStar([seed]);<\/code><\/pre>\n\n\n\n
\u3000\u6697\u53f7\u8ad6\u7684\u306b\u30bb\u30ad\u30e5\u30a2\u306a\u7591\u4f3c\u4e71\u6570\u751f\u6210\u5668\uff08CSPRNG\uff09\u3092\u5229\u7528\u3059\u308b\u5834\u5408\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30a8\u30f3\u30b8\u30f3\u3068\u3057\u3066Secure\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3057\u307e\u3059\uff0e\u3053\u306e\u5834\u5408\uff0c\u30b7\u30fc\u30c9\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\uff0e\u8a66\u9a13\u6642\u306f\u30b7\u30fc\u30c9\u304c\u6307\u5b9a\u53ef\u80fd\u306a\u4ed6\u306e\u30a8\u30f3\u30b8\u30f3\u3092\u5229\u7528\u3057\uff0c\u904b\u7528\u6642\u306b\u306fSecure\u30af\u30e9\u30b9\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3082\u8003\u3048\u3089\u308c\u307e\u3059\uff0e<\/p>\n\n\n\n
$engine = new Random\\Engine\\Secure();<\/code><\/pre>\n\n\n\n
\u3000\u4e92\u63db\u6027\u306e\u305f\u3081\uff0c\u5f93\u6765\u306e\u4e71\u6570\u751f\u6210\u95a2\u6570\u3082\u5f15\u304d\u7d9a\u304d\u5229\u7528\u53ef\u80fd\u3067\u3059\u304c\uff0c\u4eca\u5f8c\uff0c\u4eca\u56de\u7d39\u4ecb\u3057\u305f\u65b0\u3057\u3044\u6a5f\u80fd\u304c\u666e\u53ca\u3059\u308b\u3068\u601d\u308f\u308c\u307e\u3059\uff0e<\/p>\n\n\n\n
\u3000\u4eca\u56de\u306f\uff0cmbstring\u306e\u30b7\u30d5\u30c8JIS\u306b\u95a2\u3059\u308b\u4fee\u6b63\u3068\uff0cPHP 8.2\u306e\u65b0\u6a5f\u80fd\u3068\u3057\u3066\u4e71\u6570\u751f\u6210\u6a5f\u80fd\u306e\u6539\u5584\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\uff0e\u6b21\u56de\u4ee5\u964d\u3082PHP 8.2\u306e\u65b0\u6a5f\u80fd\u306a\u3069\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\uff0e<\/p>\n","protected":false},"excerpt":{"rendered":"
\u3000\u590f\u672c\u756a\u3068\u306a\u308a\uff0c\u6691\u3044\u65e5\u3005\u304c\u7d9a\u3044\u3066\u3044\u307e\u3059\uff0e\u6b21\u306e\u30de\u30a4\u30ca\u30fc\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3042\u308bPHP 8.2\u306e\u958b\u767a\u304c\u9032\u884c\u3057\u3066\u304a\u308a\uff0c\u63a1\u7528\u3055\u308c\u308b\u65b0\u3057\u3044\u6a5f\u80fd\u304a\u3088\u3073\u5909\u66f4\u70b9\u304c\u6c7a ... 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-5152","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":"\nPHP\u91cd\u93ae\u306e\u5ee3\u5ddd\u985e\u6c0f\u306b\u3088\u308b\u30b3\u30e9\u30e0\u300cPHP\u306e\u6700\u65b0\u72b6\u6cc1\uff1aPHP 8.2\u63a1\u7528\u306e\u6a5f\u80fd\u304c\u6c7a\u307e\u308b\u300d\uff08\u7b2c25\u56de\uff09 - KUSANAGI Tech Column<\/title>\n<meta name=\"description\" content=\"PHP 8.2\u306e\u958b\u767a\u304c\u9032\u884c\u4e2d\u3067\u3001\u65b0\u6a5f\u80fd\u3084\u5909\u66f4\u70b9\u304c\u6c7a\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002PHP 8.1\u7cfb\u3067\u306e\u30b7\u30d5\u30c8JIS\u3068Unicode\u306e\u9593\u306e\u6587\u5b57\u30b3\u30fc\u30c9\u5909\u63db\u554f\u984c\u306f\u4fee\u6b63\u3055\u308c\u3001\u904e\u53bb\u306e\u52d5\u4f5c\u306b\u623b\u3055\u308c\u307e\u3057\u305f\u3002\u307e\u305f\u3001PHP 8.2\u3067\u306f\u4e71\u6570\u751f\u6210\u6a5f\u80fd\u304c\u5f37\u5316\u3055\u308c\u3001\u7d71\u8a08\u7684\u306b\u504f\u308a\u304c\u306a\u304f\u3001\u9ad8\u901f\u306b\u751f\u6210\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u304c\u91cd\u8981\u3068\u306a\u308a\u307e\u3059\u3002PHP 7.1\u4ee5\u6765\u4f7f\u7528\u3055\u308c\u3066\u304d\u305f\u30e1\u30eb\u30bb\u30f3\u30cc\u30fb\u30c4\u30a4\u30b9\u30bf\u30fc\u6cd5\u306e\u4ee3\u308f\u308a\u306b\u3001\u65b0\u3057\u304f\u5de5\u85e4\u525b\u6c0f\u304c\u4e3b\u5c0e\u3059\u308brandom\u30a8\u30af\u30b9\u30c6\u30f3\u30b7\u30e7\u30f3\u304c\u5c0e\u5165\u3055\u308c\u3001\u4e71\u6570\u5217\u306e\u72b6\u614b\u304c\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3054\u3068\u306b\u4fdd\u6301\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kusanagi.tokyo\/column\/archives\/column_5152\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PHP\u91cd\u93ae\u306e\u5ee3\u5ddd\u985e\u6c0f\u306b\u3088\u308b\u30b3\u30e9\u30e0\u300cPHP\u306e\u6700\u65b0\u72b6\u6cc1\uff1aPHP 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