{"id":5023,"date":"2024-04-04T14:26:39","date_gmt":"2024-04-04T05:26:39","guid":{"rendered":"https:\/\/taitan916.info\/blog\/?p=5023"},"modified":"2024-04-04T15:25:42","modified_gmt":"2024-04-04T06:25:42","slug":"post-5023","status":"publish","type":"post","link":"https:\/\/taitan916.info\/blog\/archives\/5023","title":{"rendered":"PHP8\u7cfb\u3067\u300cUncaught TypeError: Unsupported operand types\u300d\u30a8\u30e9\u30fc\u5bfe\u5fdc\u65b9\u6cd5"},"content":{"rendered":"<p>PHP8\u7cfb\u3067\u300cFatal error: Uncaught TypeError: Unsupported operand types: string + int in\u300d\u3068\u3044\u3046\u30a8\u30e9\u30fc\u30ed\u30b0\u304c\u898b\u53d7\u3051\u3089\u308c\u305f\u30027\u7cfb\u3060\u3068\u554f\u984c\u7121\u304f\u52d5\u3044\u3066\u3044\u305f\u30da\u30fc\u30b8\u3060\u3063\u305f\u304cPHP8\u7cfb\u3060\u3068Fatal error\u306b\u306a\u308a\u52d5\u4f5c\u3057\u306a\u304f\u306a\u3063\u305f\u3002\u4ee5\u4e0b\u306b\u5bfe\u5fdc\u65b9\u6cd5\u3092\u30e1\u30e2\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u539f\u56e0<\/h2>\n<p>\u7570\u306a\u308b\u65b9\u306e\u5909\u6570\u3092\u6bd4\u8f03\u3082\u3057\u304f\u306f\u5224\u5225\u3057\u3088\u3046\u3068\u3057\u305f\u969b\u306b\u767a\u751f\u3059\u308b\u30a8\u30e9\u30fc\u3002\u307e\u305f\u3001\u6587\u5b57\u5217\u578b\u306b\u300c+\u300d\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u305f\u5834\u5408\u3082\u767a\u751f\u3059\u308b\u3002<\/p>\n<p>\u3061\u306a\u307f\u306b\u3053\u306e\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u306e\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u53d6\u5f97\u3057\u3066\u304d\u305f\u5024\u306b\u5bfe\u3057\u3066\u300c+1\u300d\u3059\u308b\u3068\u3044\u3046\u5185\u5bb9\u3060\u3063\u305f\u3093\u3060\u3051\u3069\u3001\u7279\u5b9a\u306e\u30b1\u30fc\u30b9\u306e\u5834\u5408\u300c$database_score\u300d\u306f\u7a7a\u306b\u306a\u3063\u3066\u304a\u308a\u3001\u305d\u306e\u969b\u306b\u300c''(\u7a7a) +\u00a0 1\u300d\u3068\u3044\u3046\u5f62\u306b\u306a\u308a\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u6a21\u69d8\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">\/\/\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u53d6\u5f97\u3057\u3066\u304d\u305fscore\u3092$hoge\u306b\u30bb\u30c3\u30c8\r\n$hoge = $database_score;\r\n\r\n\/\/$hoge\u3092+1\r\n$hoge = $hoge + 1;\r\n<\/pre>\n<p>&nbsp;<\/p>\n<h2>\u5bfe\u5fdc\u65b9\u6cd5<\/h2>\n<p><a href=\"https:\/\/www.php.net\/manual\/ja\/function.isset.php\" target=\"_blank\" rel=\"noopener\">isset<\/a>\u3067\u5024\u304c\u5b58\u5728\u3059\u308b\u304b\u30c1\u30a7\u30c3\u30af\u3057\u3001\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f\u9069\u5f53\u306a\u5024\u3092\u30bb\u30c3\u30c8\u3059\u308b\u3002\u5177\u4f53\u7684\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5f62\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">\/\/\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u53d6\u5f97\u3057\u3066\u304d\u305fscore\u3092$hoge\u306b\u30bb\u30c3\u30c8\r\n$hoge = ( isset($database_score) ) ? 0 : 1;\r\n\r\n\/\/$hoge\u3092+1\r\n$hoge = $hoge + 1;<\/pre>\n<p>&nbsp;<\/p>\n<h2>\u305d\u306e\u4ed6<\/h2>\n<p>\u300c+\u300d\u6f14\u7b97\u5b50\u95a2\u9023\u3067<a href=\"https:\/\/www.php.net\/manual\/ja\/migration80.incompatible.php\" target=\"_blank\" rel=\"noopener\">PHP\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a>\u306b\u300c\u30d3\u30c3\u30c8\u30b7\u30d5\u30c8\u3084\u52a0\u7b97\u3001\u6e1b\u7b97\u306b\u5bfe\u3059\u308b\u9023\u7d50\u6f14\u7b97\u5b50\u306e\u512a\u5148\u9806\u4f4d\u304c\u5909\u66f4\u3055\u308c\u307e\u3057\u305f\u3002 \u300d\u3068\u6848\u5185\u3042\u308a\u3002\u5177\u4f53\u7684\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5185\u5bb9\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">&lt;?php\r\necho \"Sum: \" . $a + $b;\r\n\/\/ \u4e0a\u8a18\u306f\u3001\u4ee5\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u89e3\u91c8\u3055\u308c\u3066\u3044\u307e\u3057\u305f:\r\necho (\"Sum: \" . $a) + $b;\r\n\/\/ PHP 8.0.0 \u304b\u3089\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u89e3\u91c8\u3055\u308c\u307e\u3059:\r\necho \"Sum:\" . ($a + $b);\r\n?&gt;\r\n<\/pre>\n<p>\u3053\u308c\u6c17\u3092\u4ed8\u3051\u306a\u3044\u3068\u9593\u9055\u3048\u3066\u3057\u307e\u3044\u305d\u3046\u306a\u306e\u3067\u6c17\u3092\u4ed8\u3051\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP8\u7cfb\u3067\u300cFatal error: Uncaught TypeError:  ... <\/p>\n","protected":false},"author":1,"featured_media":1085,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-5023","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/5023","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/comments?post=5023"}],"version-history":[{"count":2,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/5023\/revisions"}],"predecessor-version":[{"id":5025,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/5023\/revisions\/5025"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/media\/1085"}],"wp:attachment":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/media?parent=5023"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/categories?post=5023"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/tags?post=5023"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}