{"id":7781,"date":"2023-11-21T13:15:59","date_gmt":"2023-11-21T04:15:59","guid":{"rendered":"https:\/\/www.prime-strategy.co.jp\/column\/?p=7781"},"modified":"2026-02-17T01:43:54","modified_gmt":"2026-02-16T16:43:54","slug":"php%e9%87%8d%e9%8e%ae%e3%81%ae%e5%bb%a3%e5%b7%9d%e9%a1%9e%e6%b0%8f%e3%81%ae%e3%82%b3%e3%83%a9%e3%83%a0%e7%ac%ac32%e5%9b%9e%e3%80%8cphp%e3%81%ae%e6%9c%80%e6%96%b0%e7%8a%b6%e6%b3%81%ef%bc%9aphp-8-3","status":"publish","type":"post","link":"https:\/\/kusanagi.tokyo\/column\/archives\/column_7781","title":{"rendered":"PHP\u91cd\u93ae\u306e\u5ee3\u5ddd\u985e\u6c0f\u306e\u30b3\u30e9\u30e0\u7b2c32\u56de\u300cPHP\u306e\u6700\u65b0\u72b6\u6cc1\uff1aPHP 8.3\u306e\u6539\u5584\u70b9\u300d"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u79cb\u3082\u6df1\u307e\u308a\uff0c\u808c\u5bd2\u3044\u65e5\u304c\u7d9a\u3044\u3066\u3044\u307e\u3059\uff0e\u5f15\u304d\u7d9a\u304d\uff0cPHP 8.3\u306e\u958b\u767a\u306f\u9806\u8abf\u306b\u63a8\u79fb\u3057\uff0c\u30ea\u30ea\u30fc\u30b9\u5019\u88dc\u7248\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059\uff0e\u4eca\u56de\u306f\uff0c\u524d\u56de\u306b\u7d9a\u304dPHP 8.3\u306b\u5411\u3051\u3066\u958b\u767a\u4e2d\u306e\u65b0\u6a5f\u80fd\u306e\u4e00\u90e8\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3059\uff0e<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"PHP_83%E3%81%AE%E9%96%8B%E7%99%BA%E7%8A%B6%E6%B3%81\"><\/span>PHP 8.3\u306e\u958b\u767a\u72b6\u6cc1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000PHP 8.3\u306e\u958b\u767a\u306f\u3044\u3088\u3044\u3088\u7d42\u76e4\u306b\u5dee\u3057\u639b\u304b\u3063\u3066\u304a\u308a\uff0c\uff12\u9031\u9593\u306b\uff11\u56de\u306e\u30da\u30fc\u30b9\u3067\u30ea\u30ea\u30fc\u30b9\u5019\u88dc\u7248\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059\uff0e\u672c\u7a3f\u57f7\u7b46\u6642\u70b9\u3067\u306f\uff0c10\u670826\u65e5\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305f\u30ea\u30ea\u30fc\u30b9\u5019\u88dc5\u7248\uff08RC5\uff09\u304c\u6700\u65b0\u3068\u306a\u3063\u3066\u3044\u307e\u3059\uff0e\u8a08\u753b\u3067\u306f\uff0c11\u67089\u65e5\u306b\u6700\u5f8c\uff08\uff16\u56de\u76ee\uff09\u306e\u30ea\u30ea\u30fc\u30b9\u5019\u88dc\u7248\u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\uff0c\u554f\u984c\u304c\u306a\u3044\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u308c\u3070\uff0c11\u670823\u65e5\u306b\u6b63\u5f0f\u516c\u958b\u3068\u306a\u308a\u307e\u3059\uff0e<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\uff0c\u524d\u56de\u306b\u7d9a\u3044\u3066\uff0cPHP 8.3\u5411\u3051\u306b\u5b9f\u88c5\u6e08\u307f\u306e\u6a5f\u80fd\u3092\u9806\u756a\u306b\u7d39\u4ecb\u3057\u3066\u3044\u304d\u307e\u3059\uff0e<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"json_validate%E9%96%A2%E6%95%B0%E8%BF%BD%E5%8A%A0\"><\/span>json_validate()\u95a2\u6570\u8ffd\u52a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u69cb\u9020\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306bJSON\u5f62\u5f0f\u304c\u591a\u304f\u306e\u5834\u9762\u3067\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\uff0eJSON\u5f62\u5f0f\u306e\u30c7\u30fc\u30bf\u304c\u6b63\u3057\u304f\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u624b\u6bb5\u3068\u3057\u3066\uff0c\u5f93\u6765\u306f\uff0cjson_decode() \u95a2\u6570\u304c\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3057\u305f\uff0e\u3053\u306e\u95a2\u6570\u306f\uff0cJSO\u5f62\u5f0f\u306e\u30c7\u30fc\u30bf\u3092\u30c7\u30b3\u30fc\u30c9\u3059\u308b\u305f\u3081\u306e\u95a2\u6570\u3067\u3059\u304c\uff0c\u6b63\u3057\u304f\u30c7\u30b3\u30fc\u30c9\u3067\u304d\u308b\u304b\u3092\u691c\u8a3c\u3059\u308b\u969b\u306b\u3082\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff0e\u8457\u540d\u306a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u5185\u90e8\u3067JSON\u5f62\u5f0f\u306e\u30c7\u30fc\u30bf\u3092\u691c\u8a3c\u3059\u308b\u969b\u306b\u3082 json_decode() \u95a2\u6570\u304c\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\uff0e\u305f\u3060\u3057\uff0c\u3053\u306e\u95a2\u6570\u306fJSON\u5f62\u5f0f\u306e\u30c7\u30fc\u30bf\u306e\u691c\u8a3c\u3092\u884c\u3063\u305f\u5f8c\uff0c\u30d1\u30fc\u30b9\u3057\u3066\u30c7\u30b3\u30fc\u30c9\u3057\uff0cPHP\u5909\u6570\u306e\u751f\u6210\u306a\u3069\u3092\u884c\u3044\u307e\u3059\u306e\u3067\uff0c\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3057\uff0c\u307e\u305f\uff0c\u5b9f\u884c\u6642\u9593\u304c\u4f59\u8a08\u306b\u304b\u304b\u308b\u6b20\u70b9\u304c\u3042\u308a\u307e\u3059\uff0e\u3053\u306e\u305f\u3081\uff0cJSON\u5f62\u5f0f\u306e\u30c7\u30fc\u30bf\u306e\u691c\u8a3c\u306e\u307f\u3092\u884c\u3046 json_validate() \u95a2\u6570\u304c\u65b0\u898f\u306b\u4f5c\u6210\u3055\u308c\u307e\u3057\u305f\uff0e\u3053\u306e\u691c\u8a3c\u306e\u51e6\u7406\u306f\uff0cjson_decode() \u3068\u540c\u3058\u3067\u3042\u308b\u305f\u3081\uff0c\u4e00\u5ea6\uff0c\u691c\u8a3c\u3092\u901a\u904e\u3059\u308c\u3070\uff0cjson_decode() \u3067\u30c7\u30b3\u30fc\u30c9\u3067\u304d\u308b\u30ec\u30d9\u30eb\u3067\u6b63\u3057\u3044JSON\u5f62\u5f0f\u3067\u3042\u308b\u3053\u3068\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\uff0e<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3067\u306f\uff0c\u3055\u3063\u305d\u304f\u7c21\u5358\u306a\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\uff0e<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;?php<br>var_dump(json_validate('&#91;1, 2, 3]')); \/\/ bool(true)<br>var_dump(json_validate('{1, 2, 3]')); \/\/ bool(false)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u521d\u306e\u884c\u306f\uff0c\u6b63\u3057\u3044JSON\u5f62\u5f0f\u306e\u30c7\u30fc\u30bf\u3067\u3042\u308b\u305f\u3081\uff0c\u771f\u5024(true)\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\uff0e\u4e00\u65b9\uff0c\u6b21\u306e\u884c\u306f\uff0cJSON\u5f62\u5f0f\u3068\u3057\u3066\u6b63\u3057\u304f\u306a\u3044\u30c7\u30fc\u30bf\u3067\u3042\u308b\u305f\u3081\uff0c\u507d\u5024(false)\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\uff0e<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5225\u306e\u4f8b\u3068\u3057\u3066\uff0c\u691c\u8a3c\u7d50\u679c\u3092\u53d6\u5f97\u3059\u308b\u4f8b\u3092\u7d39\u4ecb\u3057\u307e\u3059\uff0e<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;?php<br>$_GET&#91;'json'] = '{\"name\":\"\u5c71\u7530\u82b1\u5b50\"]';<br>if (json_validate($_GET&#91;'json'],<br>flags:\u3000JSON_INVALID_UTF8_IGNORE)===false) {<br>&nbsp; &nbsp; print(json_last_error());<br>&nbsp; &nbsp; print(json_last_error_msg());<br>}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u4f8b\u3067\u306f\uff0c\u30e6\u30fc\u30b6\u5165\u529b\u3092\u6a21\u64ec\u3057\u3066$_GET\u914d\u5217\u306e\u5909\u6570\u3092\u691c\u8a3c\u3057\u307e\u3059\uff0eJson_validate()\u95a2\u6570\u306e\u7b2c\u4e8c\u5f15\u6570\u306b\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u3057\u3066 JSON_INVALID_UTF8_IGNORE \u30d5\u30e9\u30b0\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\uff0e\u3053\u306e\u30d5\u30e9\u30b0\u3092\u6307\u5b9a\u3059\u308b\u3068\uff0cUTF8\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3068\u3057\u3066\u6b63\u3057\u304f\u306a\u3044\u30c7\u30fc\u30bf\u306f\u7121\u8996\u3055\u308c\u307e\u3059\uff0ejson_validate()\u3067\u6b63\u3057\u304f\u306a\u3044JSON\u5f62\u5f0f\u306e\u30c7\u30fc\u30bf\u3068\u3057\u3066\u5224\u5b9a\u3055\u308c\u305f\u969b\uff0cjson_last_error()\u95a2\u6570\u304a\u3088\u3073json_last_error_msg()\u95a2\u6570\u306b\u3088\u308a\u305d\u308c\u305e\u308c\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u304a\u3088\u3073\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\uff0e\u3053\u306e\u5834\u5408\u306f\uff0c\u4ee5\u4e0b\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\uff0e<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>2<br>State mismatch (invalid or malformed JSON)<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"mb_str_pad_%E9%96%A2%E6%95%B0%E8%BF%BD%E5%8A%A0\"><\/span>mb_str_pad() \u95a2\u6570\u8ffd\u52a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u5f93\u6765\uff0c\u6587\u5b57\u5217\u306e\u30d1\u30c7\u30a3\u30f3\u30b0\u51e6\u7406\uff08\u7279\u5b9a\u306e\u6587\u5b57\u3067\u6587\u5b57\u5217\u3092\u57cb\u3081\u308b\uff09\u306b\u304a\u3044\u3066\u306f\uff0cstr_pad()\u95a2\u6570\u304c\u4f7f\u7528\u3055\u308c\u3066\u304d\u307e\u3057\u305f\uff0e\u305f\u3060\u3057\uff0c\u3053\u306e\u95a2\u6570\u306f\uff0c\u30de\u30eb\u30c1\u30d0\u30a4\u30c8\u6587\u5b57\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u305f\u3081\uff0c\u554f\u984c\u3092\u767a\u751f\u3059\u308b\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3057\u305f\uff0e\u4ee5\u4e0b\u306e\u7c21\u5358\u306a\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\uff0e<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>var_dump(str_pad('\u65e5\u672c\u8a9e', 10, '_', STR_PAD_RIGHT));<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">str_pad()\u95a2\u6570\u306f\u5bfe\u8c61\u3068\u3059\u308b\u6587\u5b57\u5217\u306b\u6587\u5b57\u6570\u3092\u6307\u5b9a\u3057\u3066\u4f59\u3063\u305f\u90e8\u5206\u3092\u6307\u5b9a\u3057\u305f\u6587\u5b57\u3067\u57cb\u3081\u308b\u51e6\u7406\u3092\u884c\u3044\u307e\u3059\uff0e\u57cb\u3081\u308b\u6587\u5b57\u3092\u914d\u7f6e\u3059\u308b\u4f4d\u7f6e\u3092 STR_PAD_RIGHT (\u53f3\u5074)\u306e\u3088\u3046\u306b\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\uff0e\u4e0a\u306e\u4f8b\u3067\u306f\uff0c\u300c\u65e5\u672c\u8a9e\u300d\u306b\u5bfe\u3057\u3066\uff0c10\u6587\u5b57\u3068\u306a\u308b\u3088\u3046\u306b\u2019_\u2019\u3092\u53f3\u5074\u306b\u57cb\u3081\u308b\u51e6\u7406\u306e\u305f\u3081\uff0c\u300c\u65e5\u672c\u8a9e_______\u300d\u306e\u3088\u3046\u306b\u306a\u308b\u3053\u3068\u304c\u671f\u5f85\u3055\u308c\u307e\u3059\uff0e\u3057\u304b\u3057\uff0c\u5b9f\u969b\u306b\u306f\uff0cUTF-8\u74b0\u5883\u3067\u3053\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\uff0c\u51fa\u529b\u304c\u300c\u65e5\u672c\u8a9e_\u300d\u306e\u3088\u3046\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\uff0e\u3053\u308c\u306f\uff0cstr_pad()\u95a2\u6570\u304c\u30c7\u30fc\u30bf\u3092\u6587\u5b57\u5358\u4f4d\u3067\u306f\u306a\u304f\uff0c\u30d0\u30a4\u30c8\u5358\u4f4d\u3067\u6271\u3063\u3066\u304a\u308a\uff0c\u65e5\u672c\u8a9e\u306e\u6587\u5b57\u304cUTF-8\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3067\u306f\uff11\u6587\u5b57\u3042\u305f\u308a3\u30d0\u30a4\u30c8\u3067\u8868\u73fe\u3055\u308c\u308b\u305f\u3081\u3067\u3059\uff0e<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PHP 8.3\u3067\u306f\uff0c\u30de\u30eb\u30c1\u30d0\u30a4\u30c8\u6587\u5b57\u306b\u5bfe\u5fdc\u3057\u305f\u65b0\u3057\u3044\u95a2\u6570 mb_str_pad()\u304c\u5c0e\u5165\u3055\u308c\u307e\u3059\uff0e<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>var_dump(mb_str_pad('\u65e5\u672c\u8a9e', 10, '_', STR_PAD_RIGHT));<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u51fa\u529b\u306f\uff0c\u300c\u65e5\u672c\u8a9e_______\u300d\u3068\u610f\u56f3\u3057\u305f\u3082\u306e\u306b\u306a\u308a\u307e\u3059\uff0e<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b21\u306b\uff0c\u57cb\u3081\u308b\u6587\u5b57\u304c\u30de\u30eb\u30c1\u30d0\u30a4\u30c8\u6587\u5b57\u3067\u3042\u308b\u5834\u5408\u306b\u3064\u3044\u3066\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff0e<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>var_dump(str_pad('\u65e5\u672c', 10, '\uff3f', STR_PAD_RIGHT));<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u5834\u5408\u306e\u51fa\u529b\u306f\uff0c\u300c\u65e5\u672c\uff3f\uff3f\uff3f\uff3f\uff3f\uff3f\uff3f\uff3f\u300d\u306e\u3088\u3046\u306b\u5408\u8a0810\u6587\u5b57\u306b\u306a\u308b\u3053\u3068\u304c\u671f\u5f85\u3055\u308c\u307e\u3059\u304c\uff0c\u5b9f\u969b\u306b\u306f\uff0c\u300c\u65e5\u672c\uff3f\ufffd\u300d\u306e\u3088\u3046\u306b\u4e00\u90e8\u6587\u5b57\u5316\u3051\u3057\u3066\u3057\u307e\u3044\u307e\u3059\uff0e\u3053\u308c\u306f\uff0cUTF-8\u6587\u5b57\u5217\u3092\u30d0\u30a4\u30c8\u5358\u4f4d\u306710\u30d0\u30a4\u30c8\u5206\u53d6\u308a\u51fa\u3057\u305f\u3053\u3068\u3067\uff0c\u4e00\u90e8\u306e\u6587\u5b57\u304c\u7834\u58ca\u3055\u308c\u305f\u305f\u3081\u3067\u3059\uff0emb_str_pad()\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\uff0c\u610f\u56f3\u3057\u305f\u51fa\u529b\u304c\u5f97\u3089\u308c\u307e\u3059\uff0e<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>var_dump(mb_str_pad('\u65e5\u672c', 10, '\uff3f', STR_PAD_RIGHT));<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%82%B9%E3%82%BF%E3%83%86%E3%82%A3%E3%83%83%E3%82%AF%E5%A4%89%E6%95%B0%E3%81%AE%E5%A4%89%E6%95%B0%E3%81%AB%E3%82%88%E3%82%8B%E5%88%9D%E6%9C%9F%E5%8C%96\"><\/span>\u30b9\u30bf\u30c6\u30a3\u30c3\u30af\u5909\u6570\u306e\u5909\u6570\u306b\u3088\u308b\u521d\u671f\u5316<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f93\u6765\uff0cPHP \u3067\u306f\uff0cstatic\u5909\u6570\u306e\u521d\u671f\u5316\u306f\uff0c \u5b9a\u6570\u306a\u3069\u306e\u56fa\u5b9a\u3057\u305f\u5024\u3067\u3057\u304b\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\uff0ePHP 8.3\u3067\u306f\uff0c\u5909\u6570\u3084\u95a2\u6570\u306e\u623b\u308a\u5024\u306a\u3069\u306b\u3088\u308b\u521d\u671f\u5316\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\uff0e\u4ee5\u4e0b\u306e\u7c21\u5358\u306a\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\uff0e<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;?php<br>function hello() {<br>&nbsp; &nbsp; echo \"hello() called.\";<br>&nbsp; &nbsp; return 1;<br>}<br>function foo() {<br>&nbsp; &nbsp; static $i = hello();<br>&nbsp; &nbsp; echo $i++;<br>}<br>foo(); &nbsp;\/\/ \"hello() called.\" 1<br>foo(); &nbsp;\/\/ 2<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306f\uff0cfoo()\u95a2\u6570\u306e\u4e2d\u3067\u30b9\u30bf\u30c6\u30a3\u30c3\u30af\u5909\u6570$i\u304c\u5ba3\u8a00\u3055\u308c\uff0chello()\u95a2\u6570\u306e\u623b\u308a\u5024\u3067\u521d\u671f\u5316\u3055\u308c\u3066\u3044\u307e\u3059\uff0e13\u884c\u76ee\u3067foo()\u30921\u56de\u76ee\u306b\u30b3\u30fc\u30eb\u3059\u308b\u3068\uff0cstatic\u5909\u6570\u306e\u521d\u671f\u5316\u304c\u884c\u308f\u308c\u3066\uff0chello()\u95a2\u6570\u304c\u30b3\u30fc\u30eb\u3055\u308c\u307e\u3059\uff0e\u51fa\u529b\u300chello() called.\u300d\u304c\u8868\u793a\u3055\u308c\u308b\u3068\u5171\u306b\uff0c\u623b\u308a\u5024 1\u3067static \u5909\u6570$i\u304c\u521d\u671f\u5316\u3055\u308c\u307e\u3059\uff0efoo()\u95a2\u6570\u306e\u51fa\u529b\u3068\u3057\u3066$i\u306e\u5024\u304c1\u3068\u3057\u3066\u51fa\u529b\u3055\u308c\u307e\u3059\uff0e\u6b21\u306e14\u884c\u76ee\u3067\u518d\u5ea6foo()\u95a2\u6570\u3092\u30b3\u30fc\u30eb\u3059\u308b\u3068\uff0cstatic\u5909\u6570$i\u306f\u521d\u671f\u5316\u3055\u308c\u3066\u3044\u308b\u305f\u3081\uff0c\u524d\u56de\u306e\u30b3\u30fc\u30eb\u3067\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u3055\u308c\u305f\u5024\uff082\uff09\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\uff0e\u3053\u306e\u30b3\u30fc\u30c9\u306f\uff0cPHP 8.3\u3067\u306f\u6b63\u5e38\u306b\u52d5\u4f5c\u3057\u307e\u3059\u304c\uff0cPHP 8.2\u307e\u3067\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u5b9f\u884c\u3059\u308b\u3068\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u81f4\u547d\u7684\u306a\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\uff0e<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Fatal error: Constant expression contains invalid operations<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">static\u5909\u6570\u3092\u5909\u6570\u3084\u95a2\u6570\u306e\u623b\u308a\u5024\u3067\u521d\u671f\u5316\u3059\u308b\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3067\u306f\uff0c\u4fbf\u5229\u306b\u4f7f\u3048\u308b\u3068\u601d\u308f\u308c\u307e\u3059\uff0e<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SQLite3%E3%82%A8%E3%82%AF%E3%82%B9%E3%83%86%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%B3%E3%81%AB%E3%81%8A%E3%81%91%E3%82%8B%E4%BE%8B%E5%A4%96\"><\/span>SQLite3\u30a8\u30af\u30b9\u30c6\u30f3\u30b7\u30e7\u30f3\u306b\u304a\u3051\u308b\u4f8b\u5916<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8efd\u91cf\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u3042\u308bSQLite\u3068\u306e\u63a5\u7d9a\u3092\u884c\u3046\u305f\u3081\u306b SQLite3\u30af\u30e9\u30b9\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\uff0eSQLite3\u30af\u30e9\u30b9\u3067\u306f\uff0c\u6a19\u6e96\u3067\u4f8b\u5916\u51e6\u7406\u304c\u7121\u52b9\u306b\u306a\u3063\u3066\u304a\u308a\uff0c\u901a\u5e38\u306ePHP\u8b66\u544a\u306e\u307f\u304c\u767a\u751f\u3057\u307e\u3059\uff0e\u4f8b\u5916\u51e6\u7406\u3092\u884c\u3046\u305f\u3081\u306b\u306f\uff0cenableExceptions()\u30e1\u30bd\u30c3\u30c9\u306btrue\u3092\u6307\u5b9a\u3057\u307e\u3059\uff0e\u4ee5\u4e0b\u306b\u7c21\u5358\u306a\u4f8b\u3092\u793a\u3057\u307e\u3059\uff0e<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;?php<br>$sqlite = new SQLite3(':memory:');<br>try {<br>&nbsp; &nbsp; $sqlite-&gt;enableExceptions(true);<br>&nbsp; &nbsp; $sqlite-&gt;exec('create table bar');<br>} catch (Exception $e) {<br>&nbsp; &nbsp; echo $e::class . ': ' . $e-&gt;getMessage();<br>}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f93\u6765\u306ePHP\u3067\u306f\uff0c\u4e00\u822c\u7684\u306a\u4f8b\u5916\u3068\u3057\u3066\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u304c\uff0cPHP 8.3\u3067\u306f\u5c02\u7528\u306e\u4f8b\u5916\u30af\u30e9\u30b9SQLite3Exception\u304c\u5b9a\u7fa9\u3055\u308c\u307e\u3059\uff0e<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;?php<br>$sqlite = new SQLite3(':memory:');<br>try {<br>&nbsp; &nbsp; $sqlite-&gt;enableExceptions(true);<br>&nbsp; &nbsp; $sqlite-&gt;exec('create table bar');<br>} catch (SQLite3Exception $e) {<br>&nbsp; &nbsp; echo $e::class . ': ' . $e-&gt;getMessage();<br>}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">PHP 8.3\u3067\u306f\uff0cSQLite3\u30af\u30e9\u30b9\u306e\u4f8b\u5916\u51e6\u7406\u306f\u6a19\u6e96\u3067\u7121\u52b9\u306e\u307e\u307e\u3067\u3059\u304c\uff0c\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u304c\u524d\u63d0\u306b\u306a\u3063\u3066\u3044\u307e\u3059\uff0e\u3053\u306e\u305f\u3081\uff0c\u4f8b\u5916\u3092\u7121\u52b9\u306b\u3059\u308b\u305f\u3081\u306b\uff0cenableExceptions()\u30e1\u30bd\u30c3\u30c9\u306e\u5f15\u6570\u306bfalse\u3092\u6307\u5b9a\u3057\u3066\u5b9f\u884c\u3059\u308b\u3068\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5ec3\u6b62\u5bfe\u8c61\u306e\u6a5f\u80fd\u306b\u95a2\u3059\u308b\u8b66\u544a\uff08E_DEPRECATED\uff09\u304c\u767a\u751f\u3057\u307e\u3059\uff0e<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Deprecated: SQLite3::enableExceptions(): Use of warnings for SQLite3 is deprecated<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4eca\u5f8c\uff0c\u6642\u671f\u30e1\u30b8\u30e3\u30fc\u30d0\u30fc\u30b8\u30e7\u30f3(PHP 9)\u3067\u306f\uff0cSQLite3Exception\u304c\u6a19\u6e96\u3067\u6709\u52b9\u306b\u306a\u308b\u4e88\u5b9a\u3067\u3059\uff0e<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u4eca\u56de\u306f\uff0c\u524d\u56de\u306b\u7d9a\u3044\u3066\uff0cPHP 8.3\u3067\u5c0e\u5165\u3055\u308c\u308b\u4e88\u5b9a\u306e\u65b0\u6a5f\u80fd\u306e\u4e00\u90e8\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\uff0e\u6b21\u56de\u4ee5\u964d\u3082PHP 8.3\u306e\u65b0\u6a5f\u80fd\u3092\u59cb\u3081\uff0cPHP\u95a2\u9023\u306e\u8a71\u984c\u3092\u7d39\u4ecb\u3044\u305f\u3057\u307e\u3059\uff0e<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u79cb\u3082\u6df1\u307e\u308a\uff0c\u808c\u5bd2\u3044\u65e5\u304c\u7d9a\u3044\u3066\u3044\u307e\u3059\uff0e\u5f15\u304d\u7d9a\u304d\uff0cPHP 8.3\u306e\u958b\u767a\u306f\u9806\u8abf\u306b\u63a8\u79fb\u3057\uff0c\u30ea\u30ea\u30fc\u30b9\u5019\u88dc\u7248\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059\uff0e\u4eca\u56de\u306f\uff0c\u524d\u56de\u306b\u7d9a\u304dPHP ... <a title=\"PHP\u91cd\u93ae\u306e\u5ee3\u5ddd\u985e\u6c0f\u306e\u30b3\u30e9\u30e0\u7b2c32\u56de\u300cPHP\u306e\u6700\u65b0\u72b6\u6cc1\uff1aPHP 8.3\u306e\u6539\u5584\u70b9\u300d\" class=\"read-more\" href=\"https:\/\/kusanagi.tokyo\/column\/archives\/column_7781\" aria-label=\"PHP\u91cd\u93ae\u306e\u5ee3\u5ddd\u985e\u6c0f\u306e\u30b3\u30e9\u30e0\u7b2c32\u56de\u300cPHP\u306e\u6700\u65b0\u72b6\u6cc1\uff1aPHP 8.3\u306e\u6539\u5584\u70b9\u300d \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-7781","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"],"_links":{"self":[{"href":"https:\/\/kusanagi.tokyo\/column\/wp-json\/wp\/v2\/posts\/7781","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kusanagi.tokyo\/column\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kusanagi.tokyo\/column\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kusanagi.tokyo\/column\/wp-json\/wp\/v2\/users\/14"}],"replies":[{"embeddable":true,"href":"https:\/\/kusanagi.tokyo\/column\/wp-json\/wp\/v2\/comments?post=7781"}],"version-history":[{"count":1,"href":"https:\/\/kusanagi.tokyo\/column\/wp-json\/wp\/v2\/posts\/7781\/revisions"}],"predecessor-version":[{"id":7782,"href":"https:\/\/kusanagi.tokyo\/column\/wp-json\/wp\/v2\/posts\/7781\/revisions\/7782"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kusanagi.tokyo\/column\/wp-json\/wp\/v2\/media\/1280"}],"wp:attachment":[{"href":"https:\/\/kusanagi.tokyo\/column\/wp-json\/wp\/v2\/media?parent=7781"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kusanagi.tokyo\/column\/wp-json\/wp\/v2\/categories?post=7781"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kusanagi.tokyo\/column\/wp-json\/wp\/v2\/tags?post=7781"},{"taxonomy":"series","embeddable":true,"href":"https:\/\/kusanagi.tokyo\/column\/wp-json\/wp\/v2\/series?post=7781"},{"taxonomy":"journey","embeddable":true,"href":"https:\/\/kusanagi.tokyo\/column\/wp-json\/wp\/v2\/journey?post=7781"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/kusanagi.tokyo\/column\/wp-json\/wp\/v2\/product?post=7781"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}