{"id":3467,"date":"2019-11-11T12:38:36","date_gmt":"2019-11-11T03:38:36","guid":{"rendered":"https:\/\/column.prime-strategy.co.jp\/?p=3467"},"modified":"2022-12-15T06:08:51","modified_gmt":"2022-12-14T21:08:51","slug":"post-3467","status":"publish","type":"post","link":"https:\/\/kusanagi.tokyo\/column\/archives\/column_3467","title":{"rendered":"PHP\u306e\u6700\u65b0\u72b6\u6cc1\uff1aPHP 7.4\u306e\u958b\u767a\u72b6\u6cc1\uff08\u7b2c9\u56de\u3000\u8457\uff1a\u5ee3\u5ddd\u985e\u6c0f\uff09"},"content":{"rendered":"\n

\u79cb\u306e\u7d42\u308f\u308a\u304b\u3089\u51ac\u306b\u304b\u3051\u3066\u3059\u3063\u304b\u308a\u5bd2\u304f\u306a\u308a\u3001\u4eca\u5e74\u4e00\u5e74\u3082\u6b8b\u308a\u5c11\u306a\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3044\u3088\u3044\u3088PHP 7.4\u306e\u958b\u767a\u308211\u6708\u672b\u306e\u30ea\u30ea\u30fc\u30b9\u306b\u5411\u3051\u3066\u5927\u8a70\u3081\u3092\u8fce\u3048\u3066\u3044\u307e\u3059\u3002\u4eca\u56de\u306e\u30b3\u30e9\u30e0\u3067\u306f\u3001\u524d\u56de\u306b\u7d9a\u304d\u3001PHP 7.4\u306b\u304a\u3051\u308b\u5909\u66f4\u70b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

PHP 7.4\u306e\u958b\u767a\u72b6\u6cc1<\/h1>\n\n\n\n

\u3000PHP\u306e\u6700\u65b0\u7248\u3067\u3042\u308b\u30d0\u30fc\u30b8\u30e7\u30f37\u306e\u6700\u65b0\u7248\u306fPHP 7.3\u3067\u3059\u304c\u3001\u6b21\u306e\u30de\u30a4\u30ca\u30fc\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u7248\u306b\u3042\u305f\u308bPHP 7.4\u306e\u958b\u767a\u304c\u9806\u8abf\u306b\u9032\u3093\u3067\u3044\u307e\u3059\u3002\u3053\u308c\u307e\u3067\u306b\u3001\u307b\u307c\u6700\u7d42\u30ea\u30ea\u30fc\u30b9\u7248\u306b\u76f8\u5f53\u3059\u308b\u30ea\u30ea\u30fc\u30b9\u5019\u88dc\u304c9\u6708\u4ee5\u964d5\u56de\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u3001\u6700\u7d42\u6bb5\u968e\u306e\u30c6\u30b9\u30c8\u304c\u884c\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u4eca\u5f8c\u3001\u6700\u5f8c\u306e\u30ea\u30ea\u30fc\u30b9\u5019\u88dc\u7248RC6\u304c11\u670814\u65e5\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305f\u5f8c\u3001\u5927\u304d\u306a\u554f\u984c\u304c\u767a\u751f\u3057\u306a\u3044\u9650\u308a\u8a08\u753b\u901a\u308a11\u670828\u65e5\u306e\u6b63\u5f0f\u516c\u958b\u304c\u884c\u308f\u308c\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/p>\n\n\n\n

\u3053\u308c\u307e\u3067\u306b\u3001PHP 7.4\u306e\u4ee5\u4e0b\u306b\u793a\u3059\u4e3b\u306a\u65b0\u6a5f\u80fd\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

  1. OpCache\u306e\u30d7\u30ea\u30ed\u30fc\u30c9\u6a5f\u80fd<\/li>
  2. \u30af\u30e9\u30b9\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u578b\u6307\u5b9a\u8ffd\u52a0<\/li>
  3. FFI (Foreign\nFunction Interface)\u6a5f\u80fd<\/li>
  4. \u914d\u5217\u30b9\u30d7\u30ec\u30c3\u30c9\u69cb\u6587<\/li>
  5. \u30a2\u30ed\u30fc\u95a2\u6570<\/li>
  6. ??= \u69cb\u6587<\/li><\/ol>\n\n\n\n

    \u4eca\u56de\u306f\u3001\u3044\u307e\u307e\u3067\u7d39\u4ecb\u3057\u3066\u3044\u306a\u3044\u4ee5\u4e0b\u306e\u65b0\u6a5f\u80fd\u304a\u3088\u3073\u5ec3\u6b62\u3055\u308c\u308b\u6a5f\u80fd\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

    1. mb_str_split()\u95a2\u6570\u8ffd\u52a0<\/li>
    2. \u6570\u5024\u30ea\u30c6\u30e9\u30eb\u30bb\u30d1\u30ec\u30fc\u30bf\u5c0e\u5165<\/li>
    3. \u5f31\u3044\u53c2\u7167\u306e\u5c0e\u5165<\/li>
    4. \u6f14\u7b97\u5b50(+ .)\u306e\u512a\u5148\u9806\u4f4d\u5909\u66f4<\/li>
    5. \u5171\u5909\u623b\u308a\u5024\u3068\u53cd\u5909\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u5bfe\u5fdc<\/li>
    6. \u5ec3\u6b62\u5bfe\u8c61\u3068\u306a\u308b\u6a5f\u80fd<\/li><\/ol>\n\n\n\n

      1\u304b\u30893\u304c\u6a5f\u80fd\u306e\u8ffd\u52a0\u30014\u304a\u3088\u30735\u306f\u5f93\u6765\u6a5f\u80fd\u304c\u3042\u3044\u307e\u3044\u3067\u3042\u3063\u305f\u308a\u4e00\u8cab\u6027\u304c\u306a\u304b\u3063\u305f\u90e8\u5206\u306e\u5909\u66f4\u3068\u306a\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u3001\u9806\u756a\u306b\u7d39\u4ecb\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

      mb_str_split()\u95a2\u6570\u8ffd\u52a0 <\/h1>\n\n\n\n

      \u65e5\u672c\u8a9e\u3092\u542b\u3080\u30de\u30eb\u30c1\u30d0\u30a4\u30c8\u51e6\u7406\u3092\u884c\u3046\u30a8\u30af\u30b9\u30c6\u30f3\u30b7\u30e7\u30f3\u3067\u3042\u308bmbstring\u30a8\u30af\u30b9\u30c6\u30f3\u30b7\u30e7\u30f3\u306b\u95a2\u6570\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002\u30de\u30eb\u30c1\u30d0\u30a4\u30c8\u6587\u5b57\u3092\u6307\u5b9a\u3057\u305f\u9577\u3055\u3067\u914d\u5217\u306b\u5206\u5272\u3059\u308b\u3082\u306e\u3067\u3001\u5f93\u6765\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308bstr_split()\u95a2\u6570\u306e\u30de\u30eb\u30c1\u30d0\u30a4\u30c8\u6587\u5b57\u5bfe\u5fdc\u7248\u3068\u306a\u308a\u307e\u3059\u3002\u6587\u5b57\u5217\u30922\u6587\u5b57\u6bce\u306b\u5206\u5272\u3059\u308b\u7c21\u5358\u306a\u4f7f\u7528\u4f8b\u3092\u30ea\u30b9\u30c81\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

      \u30ea\u30b9\u30c81\nmb_str_split\u95a2\u6570\u306e\u4f7f\u7528\u4f8b<\/p>\n\n\n\n

      ----------------------------------------------------------<\/p>\n\n\n\n

      $a = <\/strong>mb_str_split(<\/strong>\"\u65e5\u672c\u8a9e\u3068\u82f1\u8a9e\", 2))<\/strong>; <\/p>\n\n\n\n

      \/\/ \u914d\u5217 $a[0]=>\u201d\u65e5\u672c\u201d, $a[1]=>\u201d\u8a9e\u3068\u201d, $a[2]=>\u201d\u82f1\u8a9e\u201d<\/p>\n\n\n\n

      ----------------------------------------------------------<\/p>\n\n\n\n

      \u6570\u5024\u30ea\u30c6\u30e9\u30eb\u30bb\u30d1\u30ec\u30fc\u30bf<\/h1>\n\n\n\n

      \u6841\u6570\u304c\u591a\u3044\u6570\u5024\u3092\u8a18\u8f09\u3059\u308b\u969b\u306b\u4fbf\u5229\u306a\u6a5f\u80fd\u3068\u3057\u3066\u30bb\u30d1\u30ec\u30fc\u30bf\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u307e\u3057\u305f\u3002\u4f8b\u3048\u3070\u3001$foo=1000000 \u306f\u3001$foo=1_000_000 \u306e\u3088\u3046\u306b\u8a18\u8f09\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u6841\u306e\u591a\u3044\u6570\u5024\u3082\u30bb\u30d1\u30ec\u30fc\u30bf\u3092\u5165\u308c\u308b\u3068\u898b\u3084\u3059\u304f\u306a\u308a\u3001\u9593\u9055\u3044\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

      \u5f31\u3044\u53c2\u7167<\/h1>\n\n\n\n

      \u3000PHP 7.4\u3067\u306f\u3001\u5f31\u3044\u53c2\u7167\uff08Weak Reference\uff09\u304c\u5c0e\u5165\u3055\u308c\u307e\u3059\u3002\u5f93\u6765\u306e\u53c2\u7167\uff08\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\uff09\u3068\u306e\u5dee\u7570\u306f\u3001\u5f31\u3044\u53c2\u7167\u3067\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u7834\u68c4\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3055\u306a\u3044\u3053\u3068\u3067\u3059\u3002\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u3088\u3046\u306a\u69cb\u9020\u3092\u5b9f\u88c5\u3059\u308b\u969b\u306b\u8a18\u8ff0\u3092\u7c21\u5358\u306b\u306a\u308b\u3053\u3068\u304c\u671f\u5f85\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n

      \u5f31\u3044\u53c2\u7167\u3092\u4f5c\u6210\u3059\u308b\u969b\u306b\u306f\u3001WeakReference\u30af\u30e9\u30b9\u306ecreate\u30e1\u30bd\u30c3\u30c9\u3092\u30b9\u30bf\u30c6\u30a3\u30c3\u30af\u30b3\u30fc\u30eb\u3057\u307e\u3059\u3002\u30af\u30e9\u30b9\u30aa\u30d6\u30b8\u30a7\u30af\u30c8$obj\u306e\u5f31\u3044\u53c2\u7167\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

      $ref = WeakReference::create($obj);<\/p>\n\n\n\n

      \u3000\u5f31\u3044\u53c2\u7167\u306b\u3088\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5b9f\u969b\u306e\u53c2\u7167\u306fget\u30e1\u30bd\u30c3\u30c9\u306b\u3088\u308a\u3001$ref->get()\u306e\u3088\u3046\u306b\u884c\u308f\u308c\u307e\u3059\u3002\u307e\u305a\u3001\u30ea\u30b9\u30c82\u306b\u5f93\u6765\u306e\u53c2\u7167\u306e\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

      \u30ea\u30b9\u30c82\n\u5f93\u6765\u306e\u53c2\u7167\u306e\u4f8b<\/p>\n\n\n\n

      ----------------------------------------------------------<\/p>\n\n\n\n

      $obj=new\nstdClass;<\/p>\n\n\n\n

      debug_zval_dump($obj);\n\/\/ object(stdclass)#1 refcount(2)<\/p>\n\n\n\n

      $ref =\n$obj; \/\/ \u30b7\u30e3\u30ed\u30fc\u30b3\u30d4\u30fc<\/p>\n\n\n\n

      debug_zval_dump($obj);\n\/\/ object(stdclass)#1 refcount(3)<\/p>\n\n\n\n

      debug_zval_dump($ref);\n\/\/ object(stdclass)#1 refcount(3)<\/p>\n\n\n\n

      unset($obj);\n\/\/ \u30b3\u30d4\u30fc\u5143\u524a\u9664<\/p>\n\n\n\n

      debug_zval_dump($ref);\n\/\/ object(stdclass)#1 refcount(2)<\/p>\n\n\n\n

      ----------------------------------------------------------<\/p>\n\n\n\n

      3\u884c\u76ee\u3067$ref\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u5909\u6570$obj\u3092\u30b3\u30d4\u30fc\u3057\u3066\u3044\u307e\u3059\u3002PHP\u3067\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u30b7\u30e3\u30ed\u30fc\u30b3\u30d4\u30fc\u304c\u884c\u308f\u308c\u3001\u5b9f\u4f53\u304c\u5225\u306b\u4f5c\u6210\u3055\u308c\u308b\u3053\u3068\u306a\u304f\u3001\u53c2\u7167\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002\u3042\u308b\u5909\u6570\u304c\u5225\u306e\u5909\u6570\u306b\u30b3\u30d4\u30fc\u3055\u308c\u3001\u305d\u306e\u5909\u6570\u306e\u5b9f\u4f53\u304c\u53c2\u7167\u3055\u308c\u308b\u6570\u304c\u5897\u3048\u308b\u3068\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30ab\u30a6\u30f3\u30bf\u306e\u6570\u304c\u5897\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

      \u4ee3\u5165\u306e\u524d\u5f8c(2\u884c\u76ee\u30684\u884c\u76ee\u306e\u9593)\u306b\u5b9f\u884c\u3055\u308c\u305fdebug_zval_dump()\u95a2\u6570\u306e\u51fa\u529b\u306b\u304a\u3044\u3066\u3001\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30ab\u30a6\u30f3\u30bf\u304c\u5897\u52a0\u3057\u3066\u3044\u308b\u306e\u306f\u3053\u306e\u305f\u3081\u3067\u3059\u30024\u884c\u76ee\u30685\u884c\u76ee\u3067\u53c2\u7167\u3055\u308c\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5b9f\u4f53\u304c\u540c\u3058#1\u3067\u3042\u308b\u3053\u3068\u3082\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u6b21\u306b6\u884c\u76ee\u3067\u5143\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u5909\u6570$obj\u3092\u524a\u9664\u3059\u308b\u3068\u3001\u5b9f\u4f53\u3092\u53c2\u7167\u3059\u308b\u5909\u6570\u304c\u6e1b\u308b\u305f\u3081\u30017\u884c\u76ee\u3067\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30ab\u30a6\u30f3\u30bf\u306e\u6570\u304c1\u3064\u6e1b\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

      \u6b21\u306bPHP 7.4\u3067\u5c0e\u5165\u3055\u308c\u308b\u5f31\u3044\u53c2\u7167\u306e\u4f8b\u3092\u30ea\u30b9\u30c83\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

      \u30ea\u30b9\u30c83\n\u5f31\u3044\u53c2\u7167\u306e\u4f8b<\/p>\n\n\n\n

      ----------------------------------------------------------<\/p>\n\n\n\n

      $obj=new\nstdClass;<\/p>\n\n\n\n

      debug_zval_dump($obj);\n\/\/ object(stdclass)#1 refcount(2)<\/p>\n\n\n\n

      $ref =\nWeakReference::create($obj);<\/p>\n\n\n\n

      debug_zval_dump($obj);\n\/\/ object(stdclass)#1 refcount(2)<\/p>\n\n\n\n

      debug_zval_dump($ref->get());\u3000\/\/ object(stdclass)#1\nrefcount(2)<\/p>\n\n\n\n

      unset($obj);\n\/\/ \u30b3\u30d4\u30fc\u5143\u524a\u9664<\/p>\n\n\n\n

      debug_zval_dump($ref->get());\n\/\/ NULL<\/p>\n\n\n\n

      ----------------------------------------------------------<\/p>\n\n\n\n

      3\u884c\u76ee\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u5909\u6570\u3092$ref\u306b\u4ee3\u5165\u3057\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u5f31\u3044\u53c2\u7167\u306b\u3088\u308b\u4ee3\u5165\u3092\u7528\u3044\u307e\u3059\u3002\u30ea\u30b9\u30c82\u3068\u7570\u306a\u308a\u3001\u4ee3\u5165\u306e\u524d\u5f8c(2\u884c\u76ee\u30684\u884c\u76ee\u306e\u9593)\u3067\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30ab\u30a6\u30f3\u30bf\u306f\u5909\u5316\u3057\u3066\u3044\u307e\u305b\u3093\u30026\u884c\u76ee\u3067\u5143\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u5909\u6570$obj\u3092\u524a\u9664\u3057\u305f\u5f8c\u30017\u884c\u76ee\u3067\u5f31\u3044\u53c2\u7167\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092$ref->get()\u30e1\u30bd\u30c3\u30c9\u3067\u53c2\u7167\u3059\u308b\u3068NULL\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002\u30ea\u30b9\u30c82\u3067\u306f\u3001\u30b3\u30d4\u30fc\u306e\u969b\u306b\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30ab\u30a6\u30f3\u30bf\u304c\u5897\u3048\u3066\u3044\u305f\u305f\u3081\u3001\u5143\u306e\u5909\u6570\u304c\u524a\u9664\u3055\u308c\u3066\u3001\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30ab\u30a6\u30f3\u30bf\u304c\u6e1b\u3063\u305f\u5834\u5408\u3067\u3082\u5909\u6570\u306e\u5b9f\u4f53\u304c\u524a\u9664\u3055\u308c\u306a\u304b\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u5f31\u3044\u53c2\u7167\u306e\u5834\u5408\u306f\u3001\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30ab\u30a6\u30f3\u30bf\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u306a\u3044\u306e\u3067\u3001\u5143\u306e\u5909\u6570\u306e\u5b9f\u4f53\u306f\u53c2\u7167\u3055\u308c\u3066\u3044\u308b\u304b\u306b\u3088\u3089\u305a\u524a\u9664\u3055\u308c\u305f\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u52d5\u4f5c\u306f\u3001\u5f93\u6765\u306e\u53c2\u7167\u3068\u306f\u7570\u306a\u308b\u305f\u3081\u6ce8\u610f\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u6574\u7406\u306a\u3069\u3001\u5b9f\u4f53\u3092\u78ba\u5b9f\u306b\u6d88\u53bb\u3057\u3066\u30ea\u30bd\u30fc\u30b9\u3092\u958b\u653e\u3057\u305f\u3044\u5834\u5408\u306b\u306f\u3001\u5b9f\u88c5\u3092\u5bb9\u6613\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3068\u671f\u5f85\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n

      \u3000\u6f14\u7b97\u5b50(+\n.)\u306e\u512a\u5148\u9806\u4f4d\u5909\u66f4<\/h1>\n\n\n\n

      \u5f93\u6765\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u3001\u2018.\u2019\u3001\u2019+\u2019\u3001\u2019-\u2018\u6f14\u7b97\u5b50\u306f\u7b49\u3057\u304f\u6271\u308f\u308c\u3066\u304a\u308a\u3001\u5de6\u304b\u3089\u53f3\u306b\u8a55\u4fa1\u3055\u308c\u3066\u304d\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u3053\u308c\u3089\u306e\u6f14\u7b97\u5b50\u304c\u540c\u6642\u306b\u4f7f\u7528\u3055\u308c\u305f\u5834\u5408\u3001\u610f\u56f3\u305b\u305a\u306b\u6570\u5024\u304c\u6587\u5b57\u5217\u306b\u5909\u63db\u3055\u308c\u308b\u3053\u3068\u3067\u3001\u30d7\u30ed\u30b0\u30e9\u30de\u306e\u610f\u56f3\u3068\u306f\u7570\u306a\u308b\u52d5\u4f5c\u3068\u306a\u308b\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u4f8b\u3048\u3070\u3001\u5909\u6570$a\u3068$b\u304c\u6570\u5024\u3067\u3042\u308b\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3067$a\u3068$b\u306e\u5408\u8a08\u3092\u8868\u793a\u3057\u3088\u3046\u3068\u3057\u305f\u5834\u5408\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n

      echo \u201csum: \u201c . $a+$b;<\/p>\n\n\n\n

      \u5b9f\u969b\u306b\u306f\u3001\u512a\u5148\u9806\u4f4d\u304c\u540c\u3058\u6f14\u7b97\u5b50\u304c\u4e26\u3076\u305f\u3081\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5de6\u304b\u3089\u53f3\u306b\u6f14\u7b97\u5b50\u304c\u8a55\u4fa1\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001$a\u304c\u6587\u5b57\u5217\u306b\u5909\u63db\u3055\u308c\u3066\u7d50\u5408\u3055\u308c\u3001$b\u3082\u6587\u5b57\u5217\u3068\u3057\u3066\u7d50\u5408\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

      echo (\u201csum:\u201d . $a) + $b;<\/p>\n\n\n\n

      \u3053\u306e\u4f8b\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u62ec\u5f27\u3067\u62ec\u308b\u3053\u3068\u3067\u512a\u5148\u9806\u4f4d\u3092\u3042\u3052\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

      echo \u201csum: \u201c . ($a+$b);<\/p>\n\n\n\n

      \u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u306f\u3001\u7d50\u8ad6\u304b\u3089\u3059\u308b\u3068\u3001\u30d7\u30ed\u30b0\u30e9\u30de\u306e\u30b3\u30fc\u30c9\u304c\u9593\u9055\u3063\u3066\u3044\u305f\u30d0\u30b0\u306e\u985e\u306a\u306e\u3067\u3059\u304c\u3001\u591a\u304f\u306e\u30d7\u30ed\u30b0\u30e9\u30de\u306e\u76f4\u611f\u7684\u306a\u52d5\u4f5c\u3068\u7570\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u306f\u9593\u9055\u3044\u3092\u751f\u307f\u3084\u3059\u3044\u4ed5\u69d8\u3068\u3044\u3048\u307e\u3059\u3002<\/p>\n\n\n\n

      PHP 7.4\u3067\u306f\u3001\u2019+\u2019\u307e\u305f\u306f\u2019-\u2018\u306e\u524d\u306b\u3042\u308b\u2019\u2019.\u2019\u306e\u5206\u96e2\u3057\u3001\u52a0\u7b97\u307e\u305f\u306f\u6e1b\u7b97\u304c\u5148\u884c\u3057\u3066\u884c\u308f\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

      \u3000\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u306e\u51fa\u529b\u306f\u3001PHP 7.3\u307e\u3067\u306f35\u3067\u3057\u305f\u3002<\/p>\n\n\n\n

      echo \u201c3\u201d . \u201c5\u201d + 7  <\/p>\n\n\n\n

      \u3000\u3053\u308c\u306f\u3001\u307e\u305a\u5de6\u304b\u3089\u53f3\u306b\u6587\u5b57\u5217\u3068\u3057\u3066\u7d50\u5408\u3055\u308c\u3001\u201d35\u201d+7\u3068\u306a\u3063\u305f\u5f8c\u3001\u52a0\u7b97\u306e\u8a55\u4fa1\u3092\u884c\u3046\u969b\u306b\u201d35\u201d\u304c\u6570\u5024\u3068\u3057\u3066\u8a55\u4fa1\u3055\u308c\u3066\u300142\u3068\u306a\u3063\u305f\u305f\u3081\u3067\u3059\u3002<\/p>\n\n\n\n

       \u540c\u3058\u30b3\u30fc\u30c9\u3092PHP 7.4\u3067\u5b9f\u884c\u3059\u308b\u3068\u3001\u201d312\u201d\u3068\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u307e\u305a\u3001\u201d5\u201d+7\u304c\u5b9f\u884c\u3055\u308c\u306612\u3068\u306a\u3063\u305f\u5f8c\u3001\u6587\u5b57\u5217\u3068\u3057\u3066\u201d3\u201d\u306b\u7d50\u5408\u3055\u308c\u308b\u305f\u3081\u3067\u3059\u3002\u3053\u306e\u4ed5\u69d8\u5909\u66f4\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30de\u306e\u76f4\u611f\u306b\u8fd1\u3044\u3082\u306e\u3068\u306a\u308a\u307e\u3059\u306e\u3067\u3001\u9593\u9055\u3044\u3092\u6e1b\u3089\u3057\u3066\u304f\u308c\u308b\u3082\u306e\u3068\u671f\u5f85\u3055\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u65e2\u5b58\u306e\u30b3\u30fc\u30c9\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3053\u3068\u304c\u61f8\u5ff5\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3092\u78ba\u304b\u3081\u308b\u305f\u3081\u3001PHP\u306e\u30b3\u30a2\u958b\u767a\u8005\u3067\u3042\u308bNikita Popov\u6c0f\u306f\u3001\u4e0a\u4f4d2000\u500b\u306eComposer\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u8abf\u67fb\u3057\u3001\u3053\u306e\u4ed5\u69d8\u5909\u66f4\u306e\u5f71\u97ff\u3092\u8abf\u67fb\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u306b\u3088\u308b\u3068\u30015\u4ef6\u307b\u3069\u304c\u5f71\u97ff\u3092\u53d7\u3051\u308b\u3053\u3068\u304c\u5224\u660e\u3057\u305f\u3068\u306e\u3053\u3068\u3067\u3059\u304c\u3001\u5b9f\u969b\u306b\u306f\u3053\u306e5\u4ef6\u306f\u3059\u3079\u3066\u30d0\u30b0\u3067\u3042\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u3001\u9006\u306b\u4eca\u56de\u306e\u4ed5\u69d8\u5909\u66f4\u306e\u52b9\u679c\u304c\u78ba\u8a8d\u3055\u308c\u305f\u3068\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n

      \u3000\u5171\u5909\u623b\u308a\u5024\u3068\u53cd\u5909\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u5bfe\u5fdc<\/h1>\n\n\n\n

      \u5f93\u6765\u3001\u30ea\u30b9\u30c84\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u30016\u884c\u76ee\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u8b66\u544a\u304c\u767a\u751f\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

      Warning: Declaration of D::foo(A $foo):D should be compatible with C::foo(A $foo):C<\/p>\n\n\n\n

      \u30ea\u30b9\u30c84\n\u8b66\u544a\u3092\u767a\u751f\u3059\u308b\u623b\u308a\u5024\u6307\u5b9a\u306e\u4f8b<\/p>\n\n\n\n

      ----------------------------------------------------------<\/p>\n\n\n\n

      class A {}<\/p>\n\n\n\n

      class C {<\/p>\n\n\n\n

        public function foo(A $foo) : C {}<\/p>\n\n\n\n

      }<\/p>\n\n\n\n

      class D\nextends C {<\/p>\n\n\n\n

        public function foo(A $foo) : D {}<\/p>\n\n\n\n

      }<\/p>\n\n\n\n

      ----------------------------------------------------------<\/p>\n\n\n\n

      \u3000\u672c\u6765\u3001\u30af\u30e9\u30b9D\u306f\u30af\u30e9\u30b9C\u3092\u7d99\u627f\u3057\u3066\u3044\u308b\u305f\u3081\u3001foo\u30e1\u30bd\u30c3\u30c9\u306e\u623b\u308a\u5024\u3068\u3057\u3066D\u3092\u6307\u5b9a\u3057\u3066\u3082\u77db\u76fe\u306f\u306a\u3044\u306f\u305a\u306a\u306e\u3067\u3059\u304c\u3001\u5f93\u6765\u306ePHP\u3067\u306f\u4f9d\u5b58\u95a2\u4fc2\u3092\u6b63\u3057\u304f\u5224\u5225\u3067\u304d\u305a\u3001\u8b66\u544a\u3092\u767a\u751f\u3057\u3066\u3044\u307e\u3057\u305f\u3002PHP 7.4\u4ee5\u964d\u3067\u306f\u3001\u3053\u306e\u4f9d\u5b58\u95a2\u4fc2\u304c\u6b63\u3057\u304f\u5224\u5225\u3055\u308c\u3001\u3053\u306e\u3088\u3046\u306a\u30b1\u30fc\u30b9\u3067\u306e\u8b66\u544a\u306f\u767a\u751f\u3057\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

       \u540c\u69d8\u306b\u3001\u5f93\u6765\u306ePHP\u306b\u304a\u3044\u3066\u306f\u3001\u30ea\u30b9\u30c85\u306e\u3088\u3046\u306a\u30b1\u30fc\u30b9\u3067\u3082\uff17\u884c\u76ee\u3067\u8b66\u544a\u3092\u767a\u751f\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

      \u30ea\u30b9\u30c85\n\u8b66\u544a\u3092\u767a\u751f\u3059\u308b\u30d1\u30e9\u30e1\u30fc\u30bf\u6307\u5b9a\u306e\u4f8b<\/p>\n\n\n\n

      ----------------------------------------------------------<\/p>\n\n\n\n

      class A {}<\/p>\n\n\n\n

      class B\nextends A {}<\/p>\n\n\n\n

      class C {<\/p>\n\n\n\n

        public function foo(B $foo)  {}<\/p>\n\n\n\n

      }<\/p>\n\n\n\n

      class D\nextends C {<\/p>\n\n\n\n

        public function foo(A $foo)  {}<\/p>\n\n\n\n

      }<\/p>\n\n\n\n

      ----------------------------------------------------------<\/p>\n\n\n\n

      \u3000\u30af\u30e9\u30b9B\u306f\u30af\u30e9\u30b9A\u3092\u7d99\u627f\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u578b\u6307\u5b9a\u3068\u3057\u3066\u77db\u76fe\u306f\u306a\u3044\u306f\u305a\u3067\u3059\u304c\u3001\u5f93\u6765\u306ePHP\u3067\u306f\u4f9d\u5b58\u95a2\u4fc2\u3092\u6b63\u3057\u304f\u6271\u3046\u3053\u3068\u304c\u3067\u304d\u306a\u304b\u3063\u305f\u305f\u3081\u3001\u8b66\u544a\u3092\u767a\u751f\u3057\u3066\u3044\u307e\u3057\u305f\u3002PHP 7.4\u3067\u306f\u3001\u3053\u306e\u3088\u3046\u306a\u30b1\u30fc\u30b9\u3067\u3082\u8b66\u544a\u3092\u767a\u751f\u3057\u306a\u3044\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

      \u3000\u5ec3\u6b62\u5bfe\u8c61\u3068\u306a\u308b\u6a5f\u80fd<\/h1>\n\n\n\n

      \u3000\u4ee5\u4e0b\u306b\u793a\u3059\u6a5f\u80fd\u306f\u3001PHP 7.4\u3067\u5ec3\u6b62\u5bfe\u8c61\u3068\u306a\u308a\u3001deprecate\u8b66\u544a\u3092\u767a\u751f\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6a5f\u80fd\u3067\u306f\u3001PHP 8\u3067\u6b63\u5f0f\u306b\u5ec3\u6b62\u3055\u308c\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/p>\n\n\n\n

      1. real\u578b<\/li>
      2. \u6ce2\u62ec\u5f27\u306b\u3088\u308b\u914d\u5217\u30aa\u30d5\u30bb\u30c3\u30c8\u6307\u5b9a<\/li>
      3. magic quotes\u95a2\u9023\u306e\u95a2\u6570<\/li>
      4. allow_url_include\u30d1\u30e9\u30e1\u30fc\u30bf<\/li><\/ol>\n\n\n\n

        \u73fe\u5728\u3001float\u578b\u306b\u306fdouble\u3068real\u306e\uff12\u7a2e\u985e\u306e\u30a8\u30a4\u30ea\u30a2\u30b9\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u5f8c\u8005\u306f\u307b\u3068\u3093\u3069\u4f7f\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u5ec3\u6b62\u5bfe\u8c61\u3068\u306a\u308a\u307e\u3057\u305f\u3002(real)\u5909\u6570\u540d\u306e\u3088\u3046\u306a\u578b\u30ad\u30e3\u30b9\u30c8\u3068is_real()\u95a2\u6570\u306e\u4e21\u65b9\u304c\u5ec3\u6b62\u3068\u306a\u308a\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u3001(float)\u5909\u6570\u540d\u3001is_float()\u95a2\u6570\u306b\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u3067\u5bfe\u51e6\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

         magic_quotes\u6a5f\u80fd\u306f\u3001\u5165\u529b\u5909\u6570\u306b\u5bfe\u3059\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u305f\u6642\u671f\u3082\u3042\u308a\u307e\u3057\u305f\u304c\u3001\u629c\u3051\u7a74\u304c\u3042\u308a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30db\u30fc\u30eb\u3092\u751f\u307f\u51fa\u3057\u3084\u3059\u304b\u3063\u305f\u305f\u3081\u3001magic_quotes\u30aa\u30d7\u30b7\u30e7\u30f3\u306fPHP 5.4\u3067\u5ec3\u6b62\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u95a2\u9023\u3059\u308b\u95a2\u6570\u3067\u3042\u308bget_magic_quotes_gpc()<\/code> \u304a\u3088\u3073get_magic_quotes_runtime()\u306b\u3064\u3044\u3066\u306f\u3001\u4e0b\u4f4d\u4e92\u63db\u6027\u7dad\u6301\u306e\u305f\u3081\u3001\u5e38\u306bFALSE\u3092\u8fd4\u3059\u95a2\u6570\u3068\u3057\u3066\u5b9a\u7fa9\u304c\u6b8b\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u4eca\u56de\u3001\u3053\u308c\u3089\u306e\u95a2\u6570\u306f\u5ec3\u6b62\u5bfe\u8c61\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

        \u307e\u305f\u3001\u30d5\u30a3\u30eb\u30bf\u6a5f\u80fd\u3067FILTER_SANITIZE_MAGIC_QUOTES\u5b9a\u6570\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\u3001PHP 5.4\u4ee5\u964d\u3001magic quotes\u304c\u5ec3\u6b62\u3055\u308c\u305f\u305f\u3081\u3001addslashes()\u95a2\u6570\u304c\u4ee3\u308f\u308a\u306b\u9069\u7528\u3055\u308c\u3066\u304d\u307e\u3057\u305f\u3002PHP\n7.3\u3067\u65b0\u305f\u306bFILTER_SANITIZE_ADD_SLASHES\u5b9a\u6570\u304c\u5b9a\u7fa9\u3055\u308c\u3001\u540c\u69d8\u306e\u52d5\u4f5c\u304c\u3088\u308a\u76f4\u63a5\u7684\u306b\u8868\u73fe\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u3053\u306e\u305f\u3081\u3001FILTER_SANITIZE_MAGIC_QUOTES\u5b9a\u6570\u306f\u5ec3\u6b62\u5bfe\u8c61\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

        allow_url_include\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u3001require\u3001require_once\u3001include\u3001include_once\u3067URL\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3082\u306e\u3067\u3059\u304c\u3001\u5916\u90e8\u30c7\u30fc\u30bf\u3092\u53d6\u308a\u8fbc\u3080\u3053\u3068\u3067\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u554f\u984c\u3092\u767a\u751f\u3057\u3084\u3059\u3044\u305f\u3081\u3001\u5ec3\u6b62\u5bfe\u8c61\u3068\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

        \u79cb\u306e\u7d42\u308f\u308a\u304b\u3089\u51ac\u306b\u304b\u3051\u3066\u3059\u3063\u304b\u308a\u5bd2\u304f\u306a\u308a\u3001\u4eca\u5e74\u4e00\u5e74\u3082\u6b8b\u308a\u5c11\u306a\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3044\u3088\u3044\u3088PHP 7.4\u306e\u958b\u767a\u308211\u6708\u672b\u306e\u30ea\u30ea\u30fc\u30b9\u306b\u5411\u3051\u3066\u5927\u8a70\u3081\u3092 ... 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":[],"series":[50],"journey":[],"product":[],"class_list":["post-3467","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php","series-php-column-hiirokawa","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-33","no-featured-image-padding"],"yoast_head":"\nPHP\u306e\u6700\u65b0\u72b6\u6cc1\uff1aPHP 7.4\u306e\u958b\u767a\u72b6\u6cc1\uff08\u7b2c9\u56de\u3000\u8457\uff1a\u5ee3\u5ddd\u985e\u6c0f\uff09 - KUSANAGI Tech Column<\/title>\n<meta name=\"description\" content=\"PHP 7.4\u306e\u30ea\u30ea\u30fc\u30b9\u306b\u5411\u3051\u3066\u958b\u767a\u304c\u9032\u884c\u4e2d\u3067\u3001\u65b0\u305f\u306a\u5909\u66f4\u70b9\u3068\u65b0\u6a5f\u80fd\u304c\u591a\u6570\u5c0e\u5165\u3055\u308c\u308b\u3053\u3068\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u4e3b\u306a\u65b0\u6a5f\u80fd\u306b\u306fOpCache\u306e\u30d7\u30ea\u30ed\u30fc\u30c9\u6a5f\u80fd\u3001mb_str_split()\u95a2\u6570\u306e\u8ffd\u52a0\u3001\u5f31\u3044\u53c2\u7167\u306e\u5c0e\u5165\u306a\u3069\u304c\u3042\u308a\u3001\u3053\u308c\u307e\u3067\u4e0d\u4fbf\u306b\u611f\u3058\u3066\u3044\u305f\u90e8\u5206\u3084\u4e00\u8cab\u6027\u304c\u306a\u304b\u3063\u305f\u90e8\u5206\u306e\u6539\u5584\u304c\u671f\u5f85\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u6f14\u7b97\u5b50\u306e\u512a\u5148\u9806\u4f4d\u5909\u66f4\u3084\u5171\u5909\u623b\u308a\u5024\u3068\u53cd\u5909\u30d1\u30e9\u30e1\u30fc\u30bf\u3078\u306e\u5bfe\u5fdc\u306a\u3069\u3001\u30d7\u30ed\u30b0\u30e9\u30de\u306e\u76f4\u611f\u306b\u8fd1\u3044\u52d5\u4f5c\u3068\u306a\u308b\u3088\u3046\u306a\u5909\u66f4\u3082\u884c\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u4e00\u90e8\u306e\u6a5f\u80fd\u304c\u5ec3\u6b62\u5bfe\u8c61\u3068\u306a\u308b\u3053\u3068\u3082\u5831\u544a\u3055\u308c\u3066\u304a\u308a\u3001PHP 8\u3067\u306f\u6b63\u5f0f\u306b\u5ec3\u6b62\u3055\u308c\u308b\u4e88\u5b9a\u3067\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_3467\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PHP\u306e\u6700\u65b0\u72b6\u6cc1\uff1aPHP 7.4\u306e\u958b\u767a\u72b6\u6cc1\uff08\u7b2c9\u56de\u3000\u8457\uff1a\u5ee3\u5ddd\u985e\u6c0f\uff09 - KUSANAGI Tech Column\" \/>\n<meta property=\"og:description\" content=\"PHP 7.4\u306e\u30ea\u30ea\u30fc\u30b9\u306b\u5411\u3051\u3066\u958b\u767a\u304c\u9032\u884c\u4e2d\u3067\u3001\u65b0\u305f\u306a\u5909\u66f4\u70b9\u3068\u65b0\u6a5f\u80fd\u304c\u591a\u6570\u5c0e\u5165\u3055\u308c\u308b\u3053\u3068\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u4e3b\u306a\u65b0\u6a5f\u80fd\u306b\u306fOpCache\u306e\u30d7\u30ea\u30ed\u30fc\u30c9\u6a5f\u80fd\u3001mb_str_split()\u95a2\u6570\u306e\u8ffd\u52a0\u3001\u5f31\u3044\u53c2\u7167\u306e\u5c0e\u5165\u306a\u3069\u304c\u3042\u308a\u3001\u3053\u308c\u307e\u3067\u4e0d\u4fbf\u306b\u611f\u3058\u3066\u3044\u305f\u90e8\u5206\u3084\u4e00\u8cab\u6027\u304c\u306a\u304b\u3063\u305f\u90e8\u5206\u306e\u6539\u5584\u304c\u671f\u5f85\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u6f14\u7b97\u5b50\u306e\u512a\u5148\u9806\u4f4d\u5909\u66f4\u3084\u5171\u5909\u623b\u308a\u5024\u3068\u53cd\u5909\u30d1\u30e9\u30e1\u30fc\u30bf\u3078\u306e\u5bfe\u5fdc\u306a\u3069\u3001\u30d7\u30ed\u30b0\u30e9\u30de\u306e\u76f4\u611f\u306b\u8fd1\u3044\u52d5\u4f5c\u3068\u306a\u308b\u3088\u3046\u306a\u5909\u66f4\u3082\u884c\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u4e00\u90e8\u306e\u6a5f\u80fd\u304c\u5ec3\u6b62\u5bfe\u8c61\u3068\u306a\u308b\u3053\u3068\u3082\u5831\u544a\u3055\u308c\u3066\u304a\u308a\u3001PHP 8\u3067\u306f\u6b63\u5f0f\u306b\u5ec3\u6b62\u3055\u308c\u308b\u4e88\u5b9a\u3067\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kusanagi.tokyo\/column\/archives\/column_3467\" \/>\n<meta property=\"og:site_name\" content=\"KUSANAGI Tech Column\" \/>\n<meta property=\"article:published_time\" content=\"2019-11-11T03:38:36+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-12-14T21:08:51+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/kusanagi.tokyo\/column\/wp-content\/uploads\/2017\/09\/hirokawarui.gif\" \/>\n\t<meta property=\"og:image:width\" content=\"650\" \/>\n\t<meta property=\"og:image:height\" content=\"330\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/gif\" \/>\n<meta name=\"author\" content=\"\u5ee3\u5ddd\u985e\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@kusanagi_saya\" \/>\n<meta name=\"twitter:site\" content=\"@kusanagi_saya\" \/>\n<script 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