{"id":5014,"date":"2024-03-27T12:05:54","date_gmt":"2024-03-27T03:05:54","guid":{"rendered":"https:\/\/taitan916.info\/blog\/?p=5014"},"modified":"2024-03-29T11:57:06","modified_gmt":"2024-03-29T02:57:06","slug":"post-5014","status":"publish","type":"post","link":"https:\/\/taitan916.info\/blog\/archives\/5014","title":{"rendered":"PHP8\u7cfb\u3067\u300cWarning: Attempt to read property \"xxxxxx\" \u300d\u30a8\u30e9\u30fc\u306e\u5bfe\u5fdc\u65b9\u6cd5"},"content":{"rendered":"<p>PHP8\u7cfb&amp;WordPress6.4.3\u3067\u300cWarning: Attempt to read property \"xxxxxx\" on false in\u300d\u3068\u3044\u3046\u30a8\u30e9\u30fc\u30ed\u30b0\u304c\u898b\u53d7\u3051\u3089\u308c\u305f\u3002\u4ee5\u524d\u300c<a href=\"https:\/\/taitan916.info\/blog\/archives\/4476\" target=\"_blank\" rel=\"noopener\">WordPress\u3067\u7cbe\u5ea6\u306e\u9ad8\u3044\u95a2\u9023\u8a18\u4e8b\u3092\u8868\u793a<\/a>\u300d\u3067\u8ffd\u52a0\u3057\u305f\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3067\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u6a21\u69d8\u3002\u4ee5\u4e0b\u306b\u5bfe\u5fdc\u65b9\u6cd5\u3092\u30e1\u30e2\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u539f\u56e0<\/h2>\n<p>\u5b58\u5728\u3057\u306a\u3044\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u5024\u3092\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\u3067\u53d6\u5f97\u3057\u3088\u3046\u3068\u3057\u305f\u969b\u306b\u767a\u751f\u3059\u308b\u30a8\u30e9\u30fc\u3068\u306a\u308b\u3002<\/p>\n<p>\u5177\u4f53\u7684\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3067\u30bf\u30b0\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u306a\u3044\u8a18\u4e8b\u3092\u95b2\u89a7\u3057\u305f\u969b\u300carray_push( $tag_ID, $tag-&gt;term_id );\u300d\u306e\u90e8\u5206\u3067\u300c$tag-&gt;term_id\u300d\u304c\u5b58\u5728\u3057\u306a\u3044\u305f\u3081\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">$tags = get_the_tags($post-&gt;ID);\r\n$tag_ID = array();\r\nforeach((array)$tags as $tag):\r\n    array_push( $tag_ID, $tag-&gt;term_id );\r\nendforeach;<\/pre>\n<p>&nbsp;<\/p>\n<h2>\u5bfe\u5fdc\u65b9\u6cd5<\/h2>\n<p><a href=\"https:\/\/www.php.net\/manual\/ja\/function.isset.php\" target=\"_blank\" rel=\"noopener\">isset<\/a>\u3067\u5024\u304c\u5b58\u5728\u3059\u308b\u304b\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3002\u5177\u4f53\u7684\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5f62\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">if( isset($tag-&gt;term_id) ){\r\n    array_push( $tag_ID, $tag-&gt;term_id );\r\n}<\/pre>\n<p>&nbsp;<\/p>\n<h2>\u6240\u611f<\/h2>\n<p>PHP\u306e\u30e1\u30b8\u30e3\u30fc\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3092\u884c\u3046\u3068\u3084\u306f\u308a\u8272\u3005\u3068\u30a8\u30e9\u30fc\u304c\u51fa\u3066\u304f\u308b\u3002<\/p>\n<p>WordPress\u3060\u3068WP\u81ea\u4f53\u3084\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u66f4\u65b0\u3059\u308c\u3070\u4f55\u3068\u304b\u306a\u308b\u304c\u3001\u72ec\u81ea\u306b\u8ffd\u52a0\u3057\u305f\u3088\u3046\u306a\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3068\u304b\u306f\u4e00\u3064\u305a\u3064\u5bfe\u51e6\u3057\u3066\u3044\u304b\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u306e\u304c\u5272\u3068\u5927\u5909\u3002<\/p>\n<p>\u516c\u5f0f\u6848\u5185\u3067\u300c<a href=\"https:\/\/www.php.net\/manual\/ja\/migration80.php\" target=\"_blank\" rel=\"noopener\">PHP 7.4.x \u304b\u3089 PHP 8.0.x \u3078\u306e\u79fb\u884c<\/a>\u300d\u3068\u3044\u3046\u30da\u30fc\u30b8\u304c\u3042\u308b\u306e\u3067\u76ee\u3092\u901a\u3057\u3066\u304a\u3044\u305f\u65b9\u304c\u826f\u3055\u305d\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP8\u7cfb&amp;WordPress6.4.3\u3067\u300cWarning: Attem ... 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