{"id":2613,"date":"2019-01-15T18:51:43","date_gmt":"2019-01-15T09:51:43","guid":{"rendered":"https:\/\/column.prime-strategy.co.jp\/?p=2613"},"modified":"2022-12-15T06:09:22","modified_gmt":"2022-12-14T21:09:22","slug":"php%e3%81%ae%e6%9c%80%e6%96%b0%e7%8a%b6%e6%b3%81%ef%bc%9aphp-7-4%e9%96%8b%e7%99%ba%e3%81%8c%e6%9c%ac%e6%a0%bc%e5%8c%96%e5%bb%a3%e5%b7%9d%e9%a1%9e%e6%b0%8f","status":"publish","type":"post","link":"https:\/\/kusanagi.tokyo\/column\/archives\/column_2613","title":{"rendered":"PHP\u306e\u6700\u65b0\u72b6\u6cc1\uff1aPHP 7.4\u958b\u767a\u304c\u672c\u683c\u5316(\u5ee3\u5ddd\u985e\u6c0f)"},"content":{"rendered":"\n\u3053\u3093\u306b\u3061\u306f\u30012019\u5e74\u6700\u521d\u306e\u30b3\u30e9\u30e0\u3068\u306a\u308a\u307e\u3059\u3002\u672c\u5e74\u3082\u3088\u308d\u3057\u304f\u304a\u306d\u304c\u3044\u3057\u307e\u3059\u30022018\u5e74\u306f\u3001PHP 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7.4\u3067\u8ffd\u52a0\u3055\u308c\u308b\u6a5f\u80fd\u306f\u3001Web\u30b5\u30fc\u30d0\u306e\u8d77\u52d5\u6642\u306b\u6307\u5b9a\u3057\u305fPHP\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u30aa\u30da\u30b3\u30fc\u30c9\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u4e88\u3081\u30ed\u30fc\u30c9\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3082\u306e\u3067\u3059\u3002\u5f93\u6765\u306e\u30aa\u30da\u30b3\u30fc\u30c9\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u3001\u5404PHP\u30b9\u30af\u30ea\u30d7\u30c8\u3078\u306e\u6700\u521d\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u95a2\u3057\u3066\u306f\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u30ed\u30fc\u30c9\u30fb\u30b3\u30f3\u30d1\u30a4\u30eb\u304c\u884c\u308f\u308c\u308b\u305f\u3081\u3001\u5b9f\u884c\u901f\u5ea6\u306e\u6539\u5584\u304c\u898b\u8fbc\u3081\u306a\u3044\u3068\u3044\u3046\u8ab2\u984c\u304c\u3042\u308a\u307e\u3057\u305f\u3002PHP 7.4\u3067\u306f\u3001\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb(php.ini)\u306e opcache.preload 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$fpath=$path.\u201d\/\u201d.$file;\n        if (is_file($fpath) &amp;&amp; preg_match(\u201c\/\\.php$\/\u201d,$fpath)) {\n            opcache_compile_file($fpath);\n        }\n    }\n}<\/pre>\n\n\n\n\n\u30d7\u30ea\u30ed\u30fc\u30c9\u5c0e\u5165\u306e\u52b9\u679c\u306f\u3001\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306a\u3069\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u6570\u3084\u30b3\u30fc\u30c9\u306e\u91cf\u304c\u591a\u3044\u5834\u5408\u306b\u5927\u304d\u304f\u306a\u308b\u3068\u601d\u308f\u308c\u307e\u3059\u3002\u30d7\u30ea\u30ed\u30fc\u30c9\u6a5f\u80fd\u306e\u63d0\u6848\uff08https:\/\/wiki.php.net\/rfc\/preload\uff09\u306b\u304a\u3044\u3066\u3082\u3001Zend Framework\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u306730\uff5e50%\u7a0b\u5ea6\u306e\u6027\u80fd\u6539\u5584\u52b9\u679c\u304c\u78ba\u8a8d\u3055\u308c\u305f\u3068\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\n\n\n\n\n<h1 class=\"wp-block-heading\">PHP 7.4\u306e\u65b0\u6a5f\u80fd\uff1a\n\u30af\u30e9\u30b9\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u578b\u6307\u5b9a\u8ffd\u52a0<\/h1>\n\n\n\n\n\u201cTyped Property 2.0\u201d\u3068\u540d\u4ed8\u3051\u3089\u308c\u305f\u6a5f\u80fd\u8ffd\u52a0\u63d0\u6848\u304c\u3001\u958b\u767a\u8005\u306e\u6295\u7968\u306b\u3088\u308a\u8cdb\u6210\u591a\u6570\u3067\u53ef\u6c7a\u3055\u308c\u3001PHP 7.4\u306b\u30af\u30e9\u30b9\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u578b\u6307\u5b9a\u6a5f\u80fd\u304c\u8ffd\u52a0\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u201d2.0\u201d\u3068\u547c\u3070\u308c\u3066\u3044\u308b\u306e\u306b\u306f\u7406\u7531\u304c\u3042\u308a\u3001\u904e\u53bb\u306b\u985e\u4f3c\u306e\u6a5f\u80fd\u304cPHP 7.1\u7528\u306b\u63d0\u6848\u3055\u308c\u305f\u969b\u306b\u306f\u63d0\u6848\u304c\u5426\u6c7a\u3055\u308c\u3066\u304a\u308a\u3001\u4eca\u56de\u306e\u63d0\u6848\u306f\u898b\u76f4\u3057\u7248\u306b\u3042\u305f\u308a\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u30b9\u30bf\u30c6\u30a3\u30c3\u30af\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u578b\u4ed8\u3051\u3001\u578b\u4ed8\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u306b\u3064\u3044\u3066\u306f\u3001\u5b9f\u88c5\u4e0a\u306e\u7406\u7531\u306b\u3088\u308a\u3001\u5f93\u6765\u306e\u63d0\u6848\u3067\u306f\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u304c\u3001\u672c\u63d0\u6848\u3067\u306f\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u6a5f\u80fd\u306e\u4e00\u8cab\u6027\u306b\u95a2\u3059\u308b\u6539\u5584\u304c\u56f3\u3089\u308c\u307e\u3057\u305f\u3002\n\n\n\n&nbsp;PHP\u306f\u5f31\u3044\u578b\u4ed8\u3051\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u3042\u308a\u3001\u5909\u6570\u306e\u578b\u306f\u5b9f\u884c\u6642\u306b\u81ea\u52d5\u7684\u306b\u9078\u629e\u30fb\u5909\u63db\u3055\u308c\u307e\u3059\u3002\u30d7\u30ed\u30b0\u30e9\u30de\u304c\u578b\u3092\u967d\u306b\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u306a\u3044\u3053\u306e\u7279\u5fb4\u306f\u3001PHP\u306e\u4f7f\u3044\u6613\u3055\u306b\u3064\u306a\u304c\u3063\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u306a\u304c\u3089\u3001\u578b\u304c\u81ea\u52d5\u7684\u306b\u6c7a\u5b9a\u3055\u308c\u308b\u3068\u3044\u3046\u4ed5\u69d8\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b3\u30fc\u30c9\u306e\u898b\u901a\u3057\u306e\u60aa\u3055\u306b\u3064\u306a\u304c\u308b\u305f\u3081\u3001PHP\u306b\u304a\u3044\u3066\u3082\u5909\u6570\u306e\u578b\u3092\u6307\u5b9a\u3059\u308b\u4ed5\u7d44\u307f\u304c\u5c0e\u5165\u3055\u308c\u3066\u304d\u307e\u3057\u305f\u3002\u73fe\u5728\u307e\u3067\u306b\u3001\u95a2\u6570\u304a\u3088\u3073\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u306e\u5f15\u6570\u306b\u3064\u3044\u3066\u306f\u3001\u5909\u6570\u306e\u578b\u6307\u5b9a\u304c\u53ef\u80fd\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30af\u30e9\u30b9\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u578b\u6307\u5b9a\u306b\u3064\u3044\u3066\u306f\u3001\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u3002\n\n\n\n\u4ee5\u4e0b\u306b\u3001\u30af\u30e9\u30b9Foo\u306e\u30d7\u30ed\u30d1\u30c6\u30a3$a\u306e\u578b\u306b\u6574\u6570\u578b(int)\u3092\u6307\u5b9a\u3059\u308b\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002\n\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">&lt;?php\nclass Foo {\n    public int $a;\n    public ?object $b = null;\n}\n$x = new Foo();\n$x->a = \"123\";\nvar_dump($x->a); \/\/ int(123)-<\/pre>\n\n\n\n\n3\u884c\u76ee\u3067\u30d7\u30ed\u30d1\u30c6\u30a3$a\u306b\u5bfe\u3057\u3066\u3001int\u3068\u6307\u5b9a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u306e\u304c\u3001\u65b0\u3057\u3044\u6a5f\u80fd\u3067\u3059\u30027\u884c\u76ee\u3067\u306f\u6587\u5b57\u5217\u3068\u3057\u3066\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u201d123\u201d\u3092\u4ee3\u5165\u3057\u3066\u3044\u307e\u3059\u304c\u30018\u884c\u76ee\u3067\u5909\u6570\u3092\u30c0\u30f3\u30d7\u3057\u3066\u307f\u308b\u3068\u3001\u5f37\u5236\u7684\u306b\u6574\u6570\u306b\u578b\u5909\u63db\u3055\u308c\u3066\u4fdd\u6301\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\n\n\n\n4\u884c\u76ee\u306b\u793a\u3059\u3088\u3046\u306b\u30d7\u30ed\u30d1\u30c6\u30a3\u5909\u6570\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306e\u6307\u5b9a\u3082\u53ef\u80fd\u3067\u3059\u3002\u306a\u304a\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u578b\u5909\u6570$b\u306e\u578b\u306e\u524d\u306e\u201d?\u201d\u306f\u30cc\u30eb\u3092\u4ee3\u5165\u53ef\u80fd\uff08nullable\uff09\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3059\u8b58\u5225\u5b50\u3067\u3059\u3002\n\n\n\n\u5b9f\u884c\u5236\u5fa1\u5909\u6570strict_types\u306b1\u3092\u4ee3\u5165\u3059\u308b\u3053\u3068\u3067\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u578b\u6307\u5b9a\u3092\u3088\u308a\u53b3\u5bc6\u306b\u30c1\u30a7\u30c3\u30af\u3059\u308b\u30e2\u30fc\u30c9\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u3078\u306e\u4ee3\u5165\u6642\u306b\u578b\u304c\u5ba3\u8a00\u6642\u306b\u6307\u5b9a\u3055\u308c\u305f\u3082\u306e\u3068\u7570\u306a\u308b\u3068\u30a8\u30e9\u30fc\u3092\u767a\u751f\u3057\u307e\u3059\u3002\n\n\n\n\u4e0b\u8a18\u30b3\u30fc\u30c9\u306f\u3001\u4e0a\u8a18\u30b3\u30fc\u30c9\u306e2\u884c\u76ee\u306b\u201ddeclare(strict_types=1)\u201d\u3092\u8ffd\u52a0\u30fb\u633f\u5165\u3057\u305f\u3082\u306e\u3067\u3059\u3002\n\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">&lt;?php\ndeclare(strict_types=1);\nclass Foo {\n    public int $a;\n    public ?object $b = null; \n}\n$x = new Foo();\n$x->a = \"123\";\nvar_dump($x->a); \/\/ int(123)\n\n<\/pre>\n\n\n\n\n\u3053\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u4eca\u5ea6\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u578b\u6307\u5b9a\u306b\u95a2\u3059\u308b\u30a8\u30e9\u30fc\uff08TypeError\uff09\u3092\u767a\u751f\u3057\u3066\u5b9f\u884c\u304c\u505c\u6b62\u3057\u307e\u3059\u3002\n\n\n\nFatal error: Uncaught TypeError: Typed\nproperty Foo::$a must be int, string used in test.php:8\n\n\n\n8\u884c\u76ee\u3067\u6587\u5b57\u5217\uff08\u201d123\u201d\uff09\u3092\u4ee3\u5165\u3057\u3066\u3044\u308b\u90e8\u5206\u306f\u6574\u6570\u5024\uff08123\uff09\u3068\u3057\u3066\u6307\u5b9a\u3059\u308b\u3088\u3046\u4fee\u6b63\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\n\n\n\n\u6a19\u6e96\u3067\u306f\u3001\u53b3\u5bc6\u306a\u578b\u6307\u5b9a\uff08strict_types\uff09\u306f\u7121\u52b9\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u306f\u3001\u3053\u306e\u6a5f\u80fd\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u304c\u671b\u307e\u3057\u3044\u3068\u8a00\u3048\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u65e2\u5b58\u306e\u30b3\u30fc\u30c9\u306e\u52d5\u4f5c\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u4e0b\u4f4d\u4e92\u63db\u6027\u3092\u6c17\u306b\u3059\u308b\u5834\u5408\u306f\u6a19\u6e96\u30e2\u30fc\u30c9\u3067\u4f7f\u7528\u3057\u305f\u4e0a\u3067\u3001\u53b3\u5bc6\u306a\u578b\u6307\u5b9a\u306b\u6bb5\u968e\u7684\u306b\u79fb\u884c\u3059\u308b\u3088\u3046\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3082\u8003\u3048\u3089\u308c\u307e\u3059\u3002\n\n\n\n\n<h1 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h1>\n\n\n\n\n\u4eca\u56de\u306f\u3001\u958b\u767a\u304c\u672c\u683c\u5316\u3055\u308c\u305fPHP 7.4\u3078\u306e\u5c0e\u5165\u304c\u4e88\u5b9a\u3055\u308c\u308b\u65b0\u6a5f\u80fd\u306e\u3044\u304f\u3064\u304b\u3092\u99c6\u3051\u8db3\u3067\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002PHP 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