{"id":28461,"date":"2026-10-23T10:49:09","date_gmt":"2026-10-23T10:49:09","guid":{"rendered":"https:\/\/withcode.tech\/media\/?p=28461"},"modified":"2026-10-23T10:49:09","modified_gmt":"2026-10-23T10:49:09","slug":"php-update-warning-deprecated-wordpress-2026","status":"publish","type":"post","link":"https:\/\/withcode.tech\/media\/php-update-warning-deprecated-wordpress-2026\/","title":{"rendered":"PHP\u66f4\u65b0\u5f8c\u306bWarning\u30fbDeprecated\u304c\u51fa\u305f\u3089\uff1fWordPress\u306e\u5b89\u5168\u306a\u5bfe\u51e6\u6cd5"},"content":{"rendered":"<p>PHP2Shell\u3078\u306e\u5bfe\u5fdc\u3067\u30b5\u30fc\u30d0\u30fc\u306ePHP\u3092\u66f4\u65b0\u3057\u305f\u5f8c\u3001WordPress\u306e\u753b\u9762\u306b\u300cWarning\u300d\u300cDeprecated\u300d\u300cNotice\u300d\u304c\u8868\u793a\u3055\u308c\u305f\u308a\u3001\u30ed\u30b0\u304c\u6025\u306b\u5897\u3048\u305f\u308a\u3057\u3066\u3044\u307e\u305b\u3093\u304b\u3002\u7d50\u8ad6\u304b\u3089\u8a00\u3046\u3068\u3001\u307e\u305a\u516c\u958b\u753b\u9762\u3078\u306e\u30a8\u30e9\u30fc\u8868\u793a\u3092\u6b62\u3081\u3066\u60c5\u5831\u6f0f\u3048\u3044\u3092\u9632\u304e\u3001\u540c\u6642\u306b\u539f\u56e0\u3092\u8a18\u9332\u3057\u3066\u6a5f\u80fd\u3078\u306e\u5f71\u97ff\u3092\u8abf\u3079\u307e\u3059\u3002<strong>\u8868\u793a\u3092\u96a0\u3059\u3053\u3068\u3068\u3001\u4e0d\u5177\u5408\u3092\u76f4\u3059\u3053\u3068\u3001PHP2Shell\u306e\u4fee\u6b63\u6e08\u307f\u74b0\u5883\u306b\u3059\u308b\u3053\u3068\u306f\u5225\u306e\u4f5c\u696d<\/strong>\u3067\u3059\u3002Warning\u304c\u51fa\u305f\u304b\u3089\u66f4\u65b0\u3092\u5fc5\u305a\u623b\u3059\u3001Deprecated\u3060\u304b\u3089\u3059\u3079\u3066\u653e\u7f6e\u3059\u308b\u3001\u3068\u3044\u3046\u4e00\u5f8b\u306e\u5224\u65ad\u3082\u5371\u967a\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u306f\u3001WordPress\u30b5\u30a4\u30c8\u3092\u904b\u7528\u3059\u308b\u62c5\u5f53\u8005\u304c\u3001PHP\u66f4\u65b0\u5f8c\u306e\u8a3a\u65ad\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u5b89\u5168\u306b\u5207\u308a\u5206\u3051\u308b\u305f\u3081\u306e\u5b9f\u52d9\u624b\u9806\u3067\u3059\u30022026\u5e7410\u670823\u65e5\u306bPHP\u516c\u5f0f\u30de\u30cb\u30e5\u30a2\u30eb\u3068WordPress\u516c\u5f0f\u8cc7\u6599\u3092\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002PHP2Shell\u305d\u306e\u3082\u306e\u306e\u5f71\u97ff\u7248\u3084\u4fee\u6b63\u72b6\u6cc1\u306f<a href=\"https:\/\/www.php.net\/archive\/2026.php#2026-10-21-5\" target=\"_blank\" rel=\"noopener noreferrer\">PHP\u516c\u5f0f\u306e\u7dca\u6025\u52e7\u544a<\/a>\u3068\u5951\u7d04\u5148\u306e\u544a\u77e5\u3092\u4f5c\u696d\u6642\u306b\u518d\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4eca\u56de\u306e\u554f\u984c\u306fPHP\u5b9f\u884c\u74b0\u5883\u5074\u306e\u8106\u5f31\u6027\u3067\u3042\u308a\u3001\u30c6\u30fc\u30de\u306eWarning\u3092\u6d88\u3057\u3066\u3082\u5bfe\u7b56\u6e08\u307f\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002\u4eca\u56de\u306e\u554f\u984c\u306e\u5168\u4f53\u50cf\u306f<a href=\"https:\/\/withcode.tech\/media\/php2shell-wordpress-security-2026\/\">WordPress\u5229\u7528\u8005\u5411\u3051PHP2Shell\u5bfe\u7b56<\/a>\u3001\u5bfe\u8c61\u304b\u3069\u3046\u304b\u306e\u57fa\u672c\u5224\u65ad\u306f<a href=\"https:\/\/withcode.tech\/media\/php2shell-affected-versions-check-2026\/\">PHP2Shell\u306e\u5f71\u97ff\u7248\u78ba\u8a8d\u8a18\u4e8b<\/a>\u3001\u66f4\u65b0\u524d\u306e\u6e96\u5099\u306f<a href=\"https:\/\/withcode.tech\/media\/wordpress-php-update-safe-2026\/\">WordPress\u306ePHP\u66f4\u65b0\u624b\u9806<\/a>\u3082\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>\u307e\u305a5\u5206\u3067\u884c\u3046\uff1a\u516c\u958b\u8868\u793a\u3068\u696d\u52d9\u505c\u6b62\u306e\u6709\u7121\u3092\u5206\u3051\u3066\u5224\u65ad<\/h2>\n<figure class=\"wp-block-image size-full\"><img src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/10\/section-01-17.webp\" alt=\"\u307e\u305a5\u5206\u3067\u884c\u3046\uff1a\u516c\u958b\u8868\u793a\u3068\u696d\u52d9\u505c\u6b62\u306e\u6709\u7121\u3092\u5206\u3051\u3066\u5224\u65ad\u306e\u56f3\u89e3\" loading=\"lazy\" decoding=\"async\" \/><\/figure>\n<p>\u6700\u521d\u306e\u76ee\u7684\u306f\u300c\u30a8\u30e9\u30fc\u6587\u3092\u6d88\u3059\u3053\u3068\u300d\u3067\u306f\u306a\u304f\u3001\u8a2a\u554f\u8005\u306b\u6a5f\u5bc6\u60c5\u5831\u304c\u898b\u3048\u3066\u3044\u306a\u3044\u304b\u3001\u30b5\u30a4\u30c8\u306e\u91cd\u8981\u6a5f\u80fd\u304c\u52d5\u3044\u3066\u3044\u308b\u304b\u3092\u5224\u65ad\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u516c\u958b\u30da\u30fc\u30b8\u306b\u30d5\u30a1\u30a4\u30eb\u306e\u7d76\u5bfe\u30d1\u30b9\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u540d\u3001SQL\u6587\u306e\u65ad\u7247\u3001\u30e6\u30fc\u30b6\u30fc\u60c5\u5831\u306a\u3069\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u306a\u3089\u3001\u9732\u51fa\u3092\u5148\u306b\u6b62\u3081\u307e\u3059\u3002PHP\u516c\u5f0f\u306f\u672c\u756a\u3067\u306e<code>display_errors<\/code>\u3092\u7121\u52b9\u306b\u3059\u308b\u3088\u3046\u52e7\u3081\u3066\u3044\u307e\u3059\u3002\u7406\u7531\u306f\u3001\u30a8\u30e9\u30fc\u51fa\u529b\u304b\u3089\u6a5f\u5bc6\u60c5\u5831\u304c\u6f0f\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3067\u3059\u3002\u305f\u3060\u3057\u3001<code>display_errors=Off<\/code>\u306f\u51fa\u529b\u5236\u5fa1\u306b\u3059\u304e\u307e\u305b\u3093\u3002\u52d5\u4f5c\u4e0d\u826f\u3084\u8106\u5f31\u306aPHP\u672c\u4f53\u3092\u4fee\u6b63\u3057\u307e\u305b\u3093\u3002<\/p>\n<p>\u904b\u7528\u62c5\u5f53\u8005\u306f\u5909\u66f4\u76f4\u5f8c\u306e\u6642\u523b\u3001\u516c\u958bURL\u3001\u767a\u751f\u753b\u9762\u3001\u30a8\u30e9\u30fc\u7a2e\u5225\u3092\u8a18\u9332\u3057\u307e\u3059\u3002\u5229\u7528\u8005\u306e\u5165\u529b\u5024\u3084\u8a8d\u8a3c\u60c5\u5831\u3092\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u306b\u542b\u3081\u306a\u3044\u3088\u3046\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u306e\u5f8c\u3001\u30c8\u30c3\u30d7\u30da\u30fc\u30b8\u3060\u3051\u3067\u306a\u304f\u3001\u30ed\u30b0\u30a4\u30f3\u3001\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u3001\u691c\u7d22\u3001\u6c7a\u6e08\u3001\u4e88\u7d04\u306a\u3069\u4e8b\u696d\u4e0a\u91cd\u8981\u306a\u7d4c\u8def\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002HTTP 200\u3067\u3082\u30e1\u30fc\u30eb\u304c\u9001\u3089\u308c\u306a\u3044\u3001\u6ce8\u6587\u304c\u4fdd\u5b58\u3055\u308c\u306a\u3044\u3001\u3068\u3044\u3063\u305f\u969c\u5bb3\u306f\u3042\u308a\u307e\u3059\u3002\u5229\u7528\u8005\u306e\u64cd\u4f5c\u7d50\u679c\u307e\u3067\u78ba\u304b\u3081\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u898b\u3048\u305f\u72b6\u614b<\/th>\n<th>\u512a\u5148\u5ea6<\/th>\n<th>\u6700\u521d\u306e\u62c5\u5f53\u3068\u884c\u52d5<\/th>\n<th>\u66f4\u65b0\u3092\u623b\u3059\u5224\u65ad<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u753b\u9762\u306b\u6a5f\u5bc6\u60c5\u5831\u3092\u542b\u3080\u30a8\u30e9\u30fc\u3001\u7ba1\u7406\u753b\u9762\u3078\u5165\u308c\u306a\u3044\u3001\u6c7a\u6e08\u30fb\u9001\u4fe1\u306b\u5931\u6557<\/td>\n<td>\u9ad8<\/td>\n<td>\u904b\u7528\u8cac\u4efb\u8005\u304c\u5229\u7528\u8005\u5f71\u97ff\u3092\u78ba\u8a8d\u3057\u3001\u30b5\u30fc\u30d0\u30fc\u62c5\u5f53\u304c\u8868\u793a\u3092\u6291\u3048\u3066\u30ed\u30b0\u3092\u4fdd\u5168<\/td>\n<td>\u5f71\u97ff\u304c\u7d99\u7d9a\u3057\u4ee3\u66ff\u624b\u6bb5\u304c\u306a\u3044\u5834\u5408\u306b\u691c\u8a0e\u3002\u305f\u3060\u3057\u8106\u5f31\u306a\u7248\u3078\u306e\u7121\u6761\u4ef6\u306e\u5dfb\u304d\u623b\u3057\u306f\u3057\u306a\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u753b\u9762\u306f\u6b63\u5e38\u3060\u304cWarning\u304c\u540c\u6642\u523b\u306b\u5927\u91cf\u767a\u751f\u3001\u5bb9\u91cf\u30fb\u901f\u5ea6\u306b\u5f71\u97ff<\/td>\n<td>\u9ad8\u301c\u4e2d<\/td>\n<td>\u4fdd\u5b88\u62c5\u5f53\u304c\u767a\u751f\u5143\u3068\u983b\u5ea6\u3092\u7279\u5b9a\u3057\u3001\u30c7\u30a3\u30b9\u30af\u30fb\u8ca0\u8377\u3092\u76e3\u8996<\/td>\n<td>\u30ed\u30b0\u80a5\u5927\u3084\u6a5f\u80fd\u4f4e\u4e0b\u306e\u95be\u5024\u3092\u8d85\u3048\u305f\u5834\u5408\u306e\u307f\u8cac\u4efb\u8005\u304c\u5224\u65ad<\/td>\n<\/tr>\n<tr>\n<td>Deprecated\/Notice\u304c\u30ed\u30b0\u306b\u5c11\u6570\u3001\u91cd\u8981\u6a5f\u80fd\u306f\u6b63\u5e38<\/td>\n<td>\u4e2d<\/td>\n<td>\u958b\u767a\u62c5\u5f53\u304c\u30d7\u30e9\u30b0\u30a4\u30f3\u30fb\u30c6\u30fc\u30de\u306e\u4e92\u63db\u66f4\u65b0\u3092\u8a08\u753b<\/td>\n<td>\u901a\u5e38\u306f\u5373\u6642\u5dfb\u304d\u623b\u3057\u305b\u305a\u3001\u671f\u9650\u3092\u8a2d\u3051\u3066\u4fee\u6b63<\/td>\n<\/tr>\n<tr>\n<td>\u4e00\u6642\u7684\u306a\u8a3a\u65ad\u30e1\u30c3\u30bb\u30fc\u30b8\u3067\u518d\u73fe\u305b\u305a\u3001\u5f71\u97ff\u3082\u4e0d\u660e<\/td>\n<td>\u8981\u8abf\u67fb<\/td>\n<td>\u767a\u751f\u6642\u523b\u3068\u64cd\u4f5c\u3092\u4fdd\u5b58\u3057\u3001\u518d\u767a\u76e3\u8996<\/td>\n<td>\u8a3c\u62e0\u3060\u3051\u3067\u5224\u65ad\u305b\u305a\u3001\u518d\u73fe\u3068\u5f71\u97ff\u3092\u78ba\u8a8d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u3053\u306e\u8868\u306f\u6545\u969c\u306e\u6709\u7121\u3092\u6c7a\u3081\u3064\u3051\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305f\u3068\u3048\u3070Deprecated\u304c\u753b\u9762\u306b\u9732\u51fa\u3057\u3066\u3044\u308c\u3070\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u7a2e\u985e\u304c\u8efd\u304f\u3066\u3082\u60c5\u5831\u9732\u51fa\u306f\u5225\u306e\u554f\u984c\u3067\u3059\u3002\u9006\u306bWarning\u304c1\u4ef6\u3067\u3082\u6c7a\u6e08\u306e\u9014\u4e2d\u3067\u767a\u751f\u3057\u305f\u306a\u3089\u3001\u5f71\u97ff\u78ba\u8a8d\u3092\u512a\u5148\u3057\u307e\u3059\u3002\u62c5\u5f53\u8005\u306f\u300c\u30a8\u30e9\u30fc\u7a2e\u5225\u300d\u3068\u300c\u5229\u7528\u8005\u5f71\u97ff\u300d\u3092\u5225\u5217\u3067\u8a18\u9332\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u7279\u306bPHP2Shell\u5bfe\u5fdc\u3067\u306f\u3001\u8106\u5f31\u306aPHP\u3078\u623b\u3057\u3066\u753b\u9762\u3060\u3051\u6b63\u5e38\u306b\u3059\u308b\u3053\u3068\u3092\u5b89\u6613\u306a\u89e3\u6c7a\u7b56\u306b\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002PHP\u516c\u5f0f\u304c2026\u5e7410\u670821\u65e5\u306b\u793a\u3057\u305f\u4fee\u6b63\u7248\u306f8.2.35\u30018.3.36\u30018.4.27\u30018.5.12\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u5074\u306e\u30d0\u30c3\u30af\u30dd\u30fc\u30c8\u3084\u63d0\u4f9b\u5f62\u614b\u3067\u898b\u305f\u76ee\u306e\u7248\u304c\u7570\u306a\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002\u5951\u7d04\u5148\u306bCVE-2026-109618\u3068CVE-2026-109619\u306e\u4fee\u6b63\u9069\u7528\u72b6\u6cc1\u3092\u78ba\u8a8d\u3057\u3001\u4e92\u63db\u6027\u554f\u984c\u3068\u5b89\u5168\u6027\u554f\u984c\u3092\u4e26\u884c\u3057\u3066\u89e3\u6c7a\u3057\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u5225\u306e\u7167\u5408\u306f<a href=\"https:\/\/withcode.tech\/media\/php2shell-rental-server-wordpress-2026\/\">\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u3067\u306ePHP2Shell\u5bfe\u5fdc<\/a>\u306b\u6574\u7406\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>Warning\u30fbDeprecated\u30fbNotice\u306e\u9055\u3044\u3092\u300c\u5f71\u97ff\u300d\u3067\u8aad\u3080<\/h2>\n<figure class=\"wp-block-image size-full\"><img src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/10\/section-02-17.webp\" alt=\"Warning\u30fbDeprecated\u30fbNotice\u306e\u9055\u3044\u3092\u300c\u5f71\u97ff\u300d\u3067\u8aad\u3080\u306e\u56f3\u89e3\" loading=\"lazy\" decoding=\"async\" \/><\/figure>\n<p>PHP\u306e\u8a3a\u65ad\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u51e6\u7406\u4e2d\u306b\u691c\u51fa\u3057\u305f\u72b6\u614b\u3092\u4f1d\u3048\u307e\u3059\u3002<code>E_WARNING<\/code>\u306f\u591a\u304f\u306e\u5834\u5408\u305d\u306e\u5834\u3067\u51e6\u7406\u3092\u6b62\u3081\u306a\u3044\u8b66\u544a\u3001<code>E_NOTICE<\/code>\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u306a\u72b6\u614b\u3001<code>E_DEPRECATED<\/code>\u306f\u5c06\u6765\u306e\u4e92\u63db\u6027\u306b\u95a2\u3059\u308b\u8b66\u544a\u3067\u3059\u3002\u305f\u3060\u3057PHP\u306e\u7248\u304c\u5909\u308f\u308b\u3068\u540c\u3058\u51e6\u7406\u306e\u8a3a\u65ad\u30ec\u30d9\u30eb\u304c\u5909\u308f\u308b\u5834\u5408\u304c\u3042\u308a\u3001\u958b\u767a\u8005\u304c\u4f8b\u5916\u3078\u5909\u63db\u3059\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u300cWarning\u306a\u3089\u5fc5\u305a\u52d5\u304f\u300d\u300cDeprecated\u306a\u3089\u7d76\u5bfe\u5b89\u5168\u300d\u3068\u3044\u3046\u5224\u5b9a\u306f\u3067\u304d\u307e\u305b\u3093\u3002PHP\u516c\u5f0f\u306e<a href=\"https:\/\/www.php.net\/manual\/en\/language.error-handling.diagnostic.php\" target=\"_blank\" rel=\"noopener noreferrer\">\u8a3a\u65ad\u30a8\u30e9\u30fc\u306e\u8aac\u660e<\/a>\u3068<a href=\"https:\/\/www.php.net\/manual\/en\/errorfunc.constants.php\" target=\"_blank\" rel=\"noopener noreferrer\">\u30a8\u30e9\u30fc\u30ec\u30d9\u30eb\u4e00\u89a7<\/a>\u3082\u3053\u306e\u533a\u5225\u3092\u524d\u63d0\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u6587\u8a00\u3060\u3051\u3067\u306a\u304f\u3001\u767a\u751f\u7b87\u6240\u30fb\u64cd\u4f5c\u30fb\u7d50\u679c\u3092\u4e00\u7d44\u3067\u898b\u308b<\/h3>\n<p>\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u5192\u982d\u306b\u3042\u308b\u7a2e\u5225\u3060\u3051\u3067\u512a\u5148\u9806\u4f4d\u3092\u6c7a\u3081\u305a\u3001\u3069\u306eURL\u30fb\u64cd\u4f5c\u3067\u8d77\u304d\u305f\u304b\u3001\u5229\u7528\u8005\u306b\u4f55\u304c\u8d77\u304d\u305f\u304b\u3092\u7d50\u3073\u4ed8\u3051\u3066\u304f\u3060\u3055\u3044\u3002\u305f\u3068\u3048\u3070\u300cDeprecated: \u52d5\u7684\u30d7\u30ed\u30d1\u30c6\u30a3\u300d\u3068\u3044\u3046\u6587\u8a00\u304c\u7ba1\u7406\u753b\u9762\u306e\u4fdd\u5b58\u64cd\u4f5c\u3067\u7e70\u308a\u8fd4\u3057\u767a\u751f\u3057\u3066\u3044\u3066\u3082\u3001\u4fdd\u5b58\u5185\u5bb9\u304c\u6b63\u5e38\u306b\u53cd\u6620\u3055\u308c\u3066\u3044\u308b\u306a\u3089\u3001\u307e\u305a\u306f\u4e92\u63db\u6027\u4fee\u6b63\u3092\u4e88\u7d04\u3057\u3066\u76e3\u8996\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001\u30d5\u30a9\u30fc\u30e0\u306e\u9001\u4fe1\u5f8c\u306bWarning\u304c\u51fa\u3066\u30e1\u30fc\u30eb\u3082\u8a18\u9332\u3082\u6b8b\u3089\u306a\u3044\u306a\u3089\u3001\u696d\u52d9\u505c\u6b62\u3068\u3057\u3066\u6271\u3044\u307e\u3059\u3002\u30c7\u30fc\u30bf\u304c\u91cd\u8907\u9001\u4fe1\u3055\u308c\u305f\u53ef\u80fd\u6027\u3082\u3042\u308b\u305f\u3081\u3001\u518d\u9001\u30dc\u30bf\u30f3\u3092\u62bc\u3059\u524d\u306bDB\u3084\u7ba1\u7406\u753b\u9762\u5074\u306e\u4fdd\u5b58\u7d50\u679c\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30ed\u30b0\u306e\u884c\u6570\u306f\u88ab\u5bb3\u4ef6\u6570\u3068\u540c\u3058\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30a2\u30af\u30bb\u30b9\u306e\u591a\u3044\u30da\u30fc\u30b8\u3067\u540c\u3058\u8a3a\u65ad\u304c\u6bce\u56de\u8a18\u9332\u3055\u308c\u308c\u3070\u3001\u5927\u91cf\u884c\u306b\u306a\u3063\u3066\u3082\u539f\u56e0\u306f\u4e00\u3064\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u9006\u306b1\u4ef6\u3057\u304b\u306a\u304f\u3066\u3082\u3001\u7ba1\u7406\u8005\u64cd\u4f5c\u3084\u8cfc\u5165\u51e6\u7406\u306b\u95a2\u4fc2\u3057\u3066\u3044\u308c\u3070\u91cd\u5927\u3067\u3059\u3002\u767a\u751f\u6642\u523b\u3001\u540c\u3058\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u4ef6\u6570\u3001\u30d5\u30a1\u30a4\u30eb\u3068\u884c\u756a\u53f7\u3001\u76f4\u524d\u306e\u5909\u66f4\u3001\u5bfe\u8c61\u6a5f\u80fd\u3001\u5229\u7528\u8005\u5f71\u97ff\u3092\u6574\u7406\u3059\u308b\u3068\u3001\u958b\u767a\u8005\u3084\u30db\u30b9\u30c8\u3078\u4f1d\u3048\u308b\u3079\u304d\u60c5\u5831\u304c\u660e\u78ba\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u300cPHP\u672c\u4f53\u306e\u8106\u5f31\u6027\u300d\u3068\u300c\u30a2\u30d7\u30ea\u306e\u4e92\u63db\u6027\u30a8\u30e9\u30fc\u300d\u3092\u6df7\u540c\u3057\u306a\u3044<\/h3>\n<p>PHP2Shell\u306fPHP\u5b9f\u884c\u74b0\u5883\u306b\u95a2\u3059\u308b\u4e8c\u3064\u306e\u8106\u5f31\u6027\u3067\u3059\u3002PHP\u66f4\u65b0\u5f8c\u306b\u30c6\u30fc\u30de\u306e<code>functions.php<\/code>\u3084\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u304c\u30ed\u30b0\u306b\u51fa\u305f\u5834\u5408\u3001\u307e\u305a\u7591\u3046\u306e\u306f\u305d\u306e\u30b3\u30fc\u30c9\u3068\u65b0\u3057\u3044PHP\u3068\u306e\u4e92\u63db\u6027\u3067\u3059\u3002\u305d\u306eWarning\u304cPHP2Shell\u306e\u653b\u6483\u3092\u53d7\u3051\u305f\u8a3c\u62e0\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u9006\u306bWarning\u304c\u4e00\u5207\u306a\u3044\u3053\u3068\u3082\u3001PHP2Shell\u306e\u4fee\u6b63\u9069\u7528\u3084\u4fb5\u5bb3\u4e0d\u5b58\u5728\u306e\u8a3c\u660e\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002\u7248\u30fb\u4e8b\u696d\u8005\u306e\u4fee\u6b63\u72b6\u6cc1\u3001\u30a2\u30d7\u30ea\u306e\u52d5\u4f5c\u3001\u4fb5\u5bb3\u5146\u5019\u306f\u7570\u306a\u308b\u691c\u67fb\u9805\u76ee\u3067\u3059\u3002<\/p>\n<p>PHP\u516c\u5f0f\u306e<a href=\"https:\/\/www.php.net\/manual\/en\/migration84.php\" target=\"_blank\" rel=\"noopener noreferrer\">PHP 8.4\u79fb\u884c\u30ac\u30a4\u30c9<\/a>\u306b\u306f\u975e\u4e92\u63db\u5909\u66f4\u3084\u975e\u63a8\u5968\u5316\u304c\u6574\u7406\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u66f4\u65b0\u5148\u3068\u66f4\u65b0\u524d\u306e\u7248\u3092\u6b63\u78ba\u306b\u6b8b\u3057\u3001\u8a72\u5f53\u3059\u308b\u79fb\u884c\u30ac\u30a4\u30c9\u304b\u3089\u7406\u7531\u3092\u63a2\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u300c\u3069\u306e\u7248\u3067\u5fc5\u305a\u3053\u306e\u6587\u8a00\u304c\u51fa\u308b\u300d\u3068\u7d4c\u9a13\u5247\u3060\u3051\u3067\u65ad\u5b9a\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u72ec\u81ea\u306b\u51fa\u3057\u3066\u3044\u308b\u8b66\u544a\u3001WordPress\u304c\u51fa\u3059\u975e\u63a8\u5968\u901a\u77e5\u3001PHP\u30a8\u30f3\u30b8\u30f3\u306e\u8b66\u544a\u304c\u6df7\u5728\u3059\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n<h3>Fatal error\u3001HTTP 500\u3001\u771f\u3063\u767d\u306a\u753b\u9762\u306f\u5225\u306e\u512a\u5148\u30ec\u30fc\u30f3<\/h3>\n<p>Fatal error\u3084\u4f8b\u5916\u3067\u30da\u30fc\u30b8\u304c\u6b63\u5e38\u306b\u8fd4\u3089\u306a\u3044\u5834\u5408\u3001Warning\u306e\u8868\u793a\u8a2d\u5b9a\u3060\u3051\u3092\u89e6\u3063\u3066\u3082\u5fa9\u65e7\u3057\u307e\u305b\u3093\u3002WordPress\u306e\u300c\u91cd\u5927\u306a\u30a8\u30e9\u30fc\u300d\u8868\u793a\u3001HTTP 500\u3001\u767d\u753b\u9762\u306a\u3069\u306f\u3001\u516c\u958b\u6a5f\u80fd\u304c\u505c\u6b62\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u6700\u521d\u306b\u91cd\u8981\u5c0e\u7dda\u306e\u505c\u6b62\u3092\u78ba\u8a8d\u3057\u3001\u4e8b\u524d\u306b\u53d6\u3063\u305f\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3068\u5909\u66f4\u5c65\u6b74\u3092\u4fdd\u5168\u3057\u307e\u3059\u3002\u30db\u30b9\u30c8\u306e\u30a8\u30e9\u30fc\u30ed\u30b0\u3001PHP-FPM\u30ed\u30b0\u3001Web\u30b5\u30fc\u30d0\u30fc\u30ed\u30b0\u306a\u3069\u3001\u74b0\u5883\u3054\u3068\u306e\u8a18\u9332\u5834\u6240\u3092\u62c5\u5f53\u8005\u3068\u78ba\u8a8d\u3057\u3001\u767a\u751f\u6642\u523b\u3092\u7a81\u304d\u5408\u308f\u305b\u307e\u3059\u3002WordPress\u516c\u5f0f\u306e<a href=\"https:\/\/developer.wordpress.org\/advanced-administration\/wordpress\/common-errors\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u306e\u6848\u5185<\/a>\u3082\u30ed\u30b0\u78ba\u8a8d\u3092\u52e7\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5fa9\u65e7\u512a\u5148\u3067\u4e00\u6642\u7684\u306b\u6a5f\u80fd\u3092\u505c\u6b62\u3059\u308b\u5834\u5408\u306f\u3001\u4f55\u3092\u3044\u3064\u6b62\u3081\u305f\u304b\u3001\u518d\u958b\u6761\u4ef6\u306f\u4f55\u304b\u3092\u8a18\u9332\u3057\u307e\u3059\u3002\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u4e00\u62ec\u505c\u6b62\u306f\u6c7a\u6e08\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306a\u3069\u5225\u306e\u6a5f\u80fd\u307e\u3067\u6b62\u3081\u5f97\u307e\u3059\u3002\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0\u3067\u5019\u88dc\u3092\u7d5e\u308b\u3001\u30db\u30b9\u30c8\u306b\u969c\u5bb3\u7bc4\u56f2\u3092\u78ba\u8a8d\u3059\u308b\u3001\u4ee3\u66ff\u753b\u9762\u3092\u7528\u610f\u3059\u308b\u306a\u3069\u3001\u5f71\u97ff\u3092\u9650\u5b9a\u3059\u308b\u9806\u756a\u3092\u9078\u3073\u307e\u3059\u3002<\/p>\n<h2>\u672c\u756a\u3067\u306f\u753b\u9762\u306b\u51fa\u3055\u305a\u3001\u5b89\u5168\u306a\u5834\u6240\u3078\u8a18\u9332\u3059\u308b<\/h2>\n<figure class=\"wp-block-image size-full\"><img src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/10\/section-03-17.webp\" alt=\"\u672c\u756a\u3067\u306f\u753b\u9762\u306b\u51fa\u3055\u305a\u3001\u5b89\u5168\u306a\u5834\u6240\u3078\u8a18\u9332\u3059\u308b\u306e\u56f3\u89e3\" loading=\"lazy\" decoding=\"async\" \/><\/figure>\n<p>\u672c\u756a\u74b0\u5883\u306e\u8a3a\u65ad\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u516c\u958b\u753b\u9762\u3078\u51fa\u3055\u306a\u3044\u4e00\u65b9\u3067\u3001\u8abf\u67fb\u306b\u5fc5\u8981\u306a\u8a18\u9332\u306f\u6b8b\u3057\u307e\u3059\u3002PHP\u3067\u306f<code>display_errors<\/code>\u304c\u753b\u9762\u51fa\u529b\u3001<code>log_errors<\/code>\u304c\u30ed\u30b0\u8a18\u9332\u3001<code>error_reporting<\/code>\u304c\u5bfe\u8c61\u30ec\u30d9\u30eb\u3092\u6271\u3044\u307e\u3059\u3002<code>display_errors=Off<\/code>\u3068<code>log_errors=On<\/code>\u306e\u5f79\u5272\u306f\u5225\u3067\u3059\u3002PHP\u516c\u5f0f\u30de\u30cb\u30e5\u30a2\u30eb\u306f\u3001\u516c\u958b\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u753b\u9762\u8868\u793a\u3088\u308a\u30ed\u30b0\u3092\u4f7f\u3046\u65b9\u91dd\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<a href=\"https:\/\/www.php.net\/manual\/en\/errorfunc.configuration.php\" target=\"_blank\" rel=\"noopener noreferrer\">PHP\u306e\u30a8\u30e9\u30fc\u8a2d\u5b9a<\/a>\u3092\u30b5\u30fc\u30d0\u30fc\u69cb\u6210\u306b\u5408\u308f\u305b\u3066\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>PHP\u8a2d\u5b9a\u306f<code>php.ini<\/code>\u3001PHP-FPM\u306e\u30d7\u30fc\u30eb\u8a2d\u5b9a\u3001\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u30d1\u30cd\u30eb\u3001\u30b3\u30f3\u30c6\u30ca\u306e\u74b0\u5883\u8a2d\u5b9a\u306a\u3069\u3001\u7ba1\u7406\u5834\u6240\u304c\u7570\u306a\u308a\u307e\u3059\u3002\u5909\u66f4\u3059\u308b\u524d\u306b\u8a2d\u5b9a\u306e\u7ba1\u7406\u8005\u3068\u53cd\u6620\u65b9\u6cd5\u3001\u518d\u8d77\u52d5\u306e\u5fc5\u8981\u6027\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002WordPress\u306e<code>wp-config.php<\/code>\u3060\u3051\u3092\u5909\u66f4\u3057\u3066\u3082\u3001Web\u30b5\u30fc\u30d0\u30fc\u5074\u306e\u8d77\u52d5\u6642\u30a8\u30e9\u30fc\u306a\u3069\u3059\u3079\u3066\u3092\u5236\u5fa1\u3067\u304d\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u51e6\u7406\u306e\u9014\u4e2d\u3067\u767a\u751f\u3059\u308b\u81f4\u547d\u7684\u306a\u554f\u984c\u306b\u306f\u5b9f\u884c\u6642\u306e<code>ini_set()<\/code>\u304c\u9593\u306b\u5408\u308f\u306a\u3044\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u30a2\u30d7\u30ea\u8a2d\u5b9a\u3060\u3051\u3067\u300c\u5b8c\u5168\u306b\u975e\u8868\u793a\u306b\u306a\u3063\u305f\u300d\u3068\u8003\u3048\u305a\u3001\u516c\u958bURL\u3067\u5b9f\u969b\u306e\u51fa\u529b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<h3>WordPress\u306e\u30c7\u30d0\u30c3\u30b0\u5b9a\u6570\u3092\u6b63\u3057\u304f\u4f7f\u3046<\/h3>\n<p>WordPress\u3067\u306f<code>WP_DEBUG<\/code>\u3092\u6709\u52b9\u306b\u3059\u308b\u3068Notice\u3084Deprecated\u3092\u542b\u3081\u3066\u8a73\u3057\u3044\u8a3a\u65ad\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<code>WP_DEBUG_DISPLAY<\/code>\u306f\u753b\u9762\u8868\u793a\u3001<code>WP_DEBUG_LOG<\/code>\u306f\u30ed\u30b0\u306e\u66f8\u304d\u8fbc\u307f\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002WordPress\u516c\u5f0f\u8cc7\u6599\u306b\u3088\u308b\u3068\u3001\u5f8c\u4e8c\u8005\u306f<code>WP_DEBUG<\/code>\u304c\u6709\u52b9\u306a\u3068\u304d\u306b\u50cd\u304d\u307e\u3059\u3002\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0\u3067\u306e\u77ed\u6642\u9593\u306e\u8abf\u67fb\u306a\u3089\u3001\u305f\u3068\u3048\u3070\u6b21\u306e\u8003\u3048\u65b9\u3092\u4f7f\u3048\u307e\u3059\u3002\u5b9f\u74b0\u5883\u306e\u8a2d\u5b9a\u4f4d\u7f6e\u3092\u78ba\u8a8d\u3057\u3001\u540c\u3058\u5b9a\u6570\u3092\u4e8c\u91cd\u5b9a\u7fa9\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre><code>define( 'WP_DEBUG', true );\ndefine( 'WP_DEBUG_DISPLAY', false );\ndefine( 'WP_DEBUG_LOG', '\/\u975e\u516c\u958b\u9818\u57df\u3078\u306e\u7d76\u5bfe\u30d1\u30b9\/wp-errors.log' );<\/code><\/pre>\n<p>\u3053\u306e\u4f8b\u306e\u30ed\u30b0\u30d1\u30b9\u306f\u8aac\u660e\u7528\u3067\u3059\u3002\u305d\u306e\u307e\u307e\u8cbc\u308a\u4ed8\u3051\u305a\u3001Web\u304b\u3089\u76f4\u63a5\u53d6\u5f97\u3067\u304d\u306a\u3044\u5834\u6240\u3001\u66f8\u304d\u8fbc\u307f\u6a29\u9650\u3001\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3068\u4fdd\u7ba1\u671f\u9650\u3092\u7ba1\u7406\u8005\u304c\u6c7a\u3081\u3066\u304f\u3060\u3055\u3044\u3002WordPress\u516c\u5f0f\u306e<a href=\"https:\/\/developer.wordpress.org\/advanced-administration\/debug\/debug-wordpress\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u30c7\u30d0\u30c3\u30b0\u624b\u9806<\/a>\u306f\u958b\u767a\u30fb\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0\u3067\u4f7f\u3046\u3053\u3068\u3092\u524d\u63d0\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u672c\u756a\u3067\u306f\u8abf\u67fb\u6642\u9593\u3092\u533a\u5207\u308a\u3001\u53d6\u5f97\u5f8c\u306f\u8a2d\u5b9a\u3092\u623b\u3057\u3001\u30ed\u30b0\u306b\u6a5f\u5bc6\u60c5\u5831\u304c\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002\u65e5\u5e38\u904b\u7528\u306ePHP\u30ed\u30b0\u306f\u30b5\u30fc\u30d0\u30fc\u5074\u3067\u5b89\u5168\u306b\u4fdd\u6301\u3059\u308b\u8a2d\u8a08\u304c\u671b\u307e\u3057\u304f\u3001WordPress\u30c7\u30d0\u30c3\u30b0\u3092\u5e38\u6642ON\u306b\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p><code>WP_DEBUG_LOG=true<\/code>\u306e\u65e2\u5b9a\u5148\u306f\u901a\u5e38<code>wp-content\/debug.log<\/code>\u3067\u3059\u3002WordPress\u516c\u5f0f\u306f\u3001\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u516c\u958b\u53ef\u80fd\u306a\u5834\u6240\u306b\u7f6e\u304b\u308c\u5f97\u308b\u3068\u8b66\u544a\u3057\u3066\u3044\u307e\u3059\u3002URL\u3092\u8ab0\u3067\u3082\u53d6\u5f97\u3067\u304d\u306a\u3044\u304b\u3001\u30b5\u30fc\u30d0\u30fc\u8a2d\u5b9a\u3067\u30a2\u30af\u30bb\u30b9\u3092\u62d2\u5426\u3057\u3066\u3044\u308b\u304b\u3001\u5b9f\u969b\u306b\u672a\u8a8d\u8a3c\u3067\u8a66\u3057\u3066\u78ba\u8a8d\u3057\u307e\u3059\u3002\u30ed\u30b0\u306bCookie\u3001\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3001\u554f\u3044\u5408\u308f\u305b\u5185\u5bb9\u3001\u30d1\u30b9\u304c\u6b8b\u308b\u53ef\u80fd\u6027\u3082\u8003\u3048\u3066\u3001\u30a2\u30af\u30bb\u30b9\u6a29\u3092\u7d5e\u308a\u3001\u5916\u90e8\u5171\u6709\u6642\u306f\u5fc5\u8981\u7b87\u6240\u3060\u3051\u4f0f\u305b\u5b57\u306b\u3057\u307e\u3059\u3002\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u3092\u500b\u4eba\u30c1\u30e3\u30c3\u30c8\u3084\u516c\u958b\u30c1\u30b1\u30c3\u30c8\u3078\u4e38\u3054\u3068\u8cbc\u3089\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>\u30ed\u30b0\u3092\u300c\u8aad\u3081\u308b\u300d\u3060\u3051\u3067\u306a\u304f\u300c\u6271\u3048\u308b\u300d\u3088\u3046\u306b\u3059\u308b<\/h3>\n<p>\u5927\u91cf\u306e\u30ed\u30b0\u304c\u51fa\u59cb\u3081\u305f\u3089\u3001\u8a18\u9332\u5148\u306e\u7a7a\u304d\u5bb9\u91cf\u3068\u66f8\u304d\u8fbc\u307f\u901f\u5ea6\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u30ed\u30b0\u304c\u30c7\u30a3\u30b9\u30af\u3092\u5727\u8feb\u3059\u308b\u3068\u3001\u305d\u308c\u81ea\u4f53\u304c\u30b5\u30a4\u30c8\u505c\u6b62\u3084\u30e1\u30fc\u30eb\u9001\u4fe1\u5931\u6557\u3092\u8d77\u3053\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u62c5\u5f53\u8005\u306f15\u5206\u3042\u305f\u308a\u306e\u5897\u52a0\u91cf\u3001\u540c\u3058\u8a3a\u65ad\u306e\u5272\u5408\u3001\u5bb9\u91cf\u306e\u8b66\u6212\u95be\u5024\u3001\u4fdd\u7ba1\u671f\u9650\u3001\u524a\u9664\u6a29\u9650\u3092\u6c7a\u3081\u307e\u3059\u3002\u76e3\u8996\u306e\u305f\u3081\u306b\u4e00\u6642\u7684\u306b\u51fa\u529b\u30ec\u30d9\u30eb\u3092\u8abf\u6574\u3059\u308b\u5834\u5408\u3082\u3001\u4f55\u3092\u8a18\u9332\u3057\u306a\u304f\u306a\u3063\u305f\u304b\u3092\u8a18\u9332\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5b89\u6613\u306a<code>error_reporting(0)<\/code>\u3084\u30a8\u30e9\u30fc\u6291\u5236\u6f14\u7b97\u5b50\u3067\u898b\u3048\u306a\u304f\u3059\u308b\u3068\u3001\u4fee\u6b63\u306e\u512a\u5148\u9806\u4f4d\u3092\u6c7a\u3081\u308b\u6750\u6599\u3092\u5931\u3044\u307e\u3059\u3002<\/p>\n<p>\u8a18\u9332\u5148\u306b\u306fOS\u5074\u306e\u6a29\u9650\u3068\u30a2\u30d7\u30ea\u5074\u306e\u6a29\u9650\u306e\u4e21\u65b9\u304c\u5fc5\u8981\u3067\u3059\u3002\u66f8\u3051\u306a\u3044\u30d1\u30b9\u3092\u8a2d\u5b9a\u3059\u308b\u3068\u3001\u30ed\u30b0\u304c\u6b8b\u3063\u305f\u3064\u3082\u308a\u3067\u8abf\u67fb\u3067\u304d\u306a\u3044\u6050\u308c\u304c\u3042\u308a\u307e\u3059\u3002\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0\u3067\u610f\u56f3\u7684\u306a\u30c6\u30b9\u30c8\u7528\u901a\u77e5\u3092\u767a\u751f\u3055\u305b\u3001\u6307\u5b9a\u5148\u3078\u66f8\u304d\u8fbc\u307e\u308c\u308b\u304b\u78ba\u8a8d\u3057\u305f\u5f8c\u3001\u305d\u306e\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u3092\u524a\u9664\u3057\u307e\u3059\u3002\u672c\u756a\u3067\u306e\u6545\u969c\u306e\u518d\u73fe\u3092\u76ee\u7684\u306b\u5371\u967a\u306a\u5165\u529b\u3092\u9001\u3089\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002PHP\u516c\u5f0f\u306e<a href=\"https:\/\/www.php.net\/manual\/en\/function.error-log.php\" target=\"_blank\" rel=\"noopener 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class=\"wp-block-image size-full\"><img src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/10\/section-04-13.webp\" alt=\"\u539f\u56e0\u3092\u8ffd\u3046\u9806\u756a\uff1a\u6642\u523b\u3001\u66f4\u65b0\u5dee\u5206\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u30fb\u30c6\u30fc\u30de\u306e\u56f3\u89e3\" loading=\"lazy\" decoding=\"async\" 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540c\u6642\u306b\u505c\u6b62\u3057\u3066\u300c\u76f4\u3063\u305f\u300d\u3068\u3057\u3066\u3082\u3001\u3069\u308c\u304c\u539f\u56e0\u304b\u306f\u5206\u304b\u308a\u307e\u305b\u3093\u3002\u5909\u66f4\u524d\u306e\u72b6\u614b\u3078\u623b\u305b\u308b\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3092\u4f5c\u308a\u3001\u64cd\u4f5c\u5c65\u6b74\u3092\u6b8b\u3057\u307e\u3059\u3002<\/p>\n<p>\u5207\u308a\u5206\u3051\u4f5c\u696d\u3092\u59cb\u3081\u308b\u524d\u306b\u3001\u5bfe\u8c61\u30da\u30fc\u30b8\u306e\u901a\u5e38\u6642\u306e\u52d5\u304d\u3092\u77ed\u3044\u52d5\u753b\u3084\u691c\u54c1\u7968\u306b\u6b8b\u3059\u3068\u3001\u4fee\u6b63\u5f8c\u3068\u306e\u6bd4\u8f03\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u3067\u306f\u300c\u9001\u4fe1\u5b8c\u4e86\u300d\u3068\u300c\u901a\u77e5\u30e1\u30fc\u30eb\u53d7\u4fe1\u300d\u3068\u300c\u7ba1\u7406\u753b\u9762\u306b\u8a18\u9332\u300d\u306e\u4e09\u70b9\u3092\u5225\u3005\u306b\u78ba\u8a8d\u3057\u307e\u3059\u3002\u8b66\u544a\u8868\u793a\u304c\u6d88\u3048\u3066\u3082\u901a\u77e5\u30e1\u30fc\u30eb\u3060\u3051\u304c\u6b62\u307e\u3063\u3066\u3044\u308c\u3070\u3001\u6539\u5584\u306f\u672a\u5b8c\u4e86\u3067\u3059\u3002\u753b\u9762\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u3042\u308b\u30b5\u30a4\u30c8\u3067\u306f\u3001\u30ed\u30b0\u30a4\u30f3\u3057\u305f\u7ba1\u7406\u8005\u3068\u4e00\u822c\u8a2a\u554f\u8005\u3067\u8868\u793a\u304c\u9055\u3046\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u6d88\u3059\u524d\u5f8c\u3001PC\u3068\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3001\u7ba1\u7406\u8005\u3068\u672a\u30ed\u30b0\u30a4\u30f3\u306e\u72b6\u614b\u3092\u5206\u3051\u3066\u691c\u54c1\u3057\u307e\u3059\u3002\u518d\u73fe\u6761\u4ef6\u3092\u5909\u3048\u306a\u304c\u3089\u8a66\u3059\u5834\u5408\u306f\u3001\u540c\u6642\u306b\u8907\u6570\u306e\u8a2d\u5b9a\u3092\u89e6\u3089\u305a\u3001\u5909\u66f4\u3054\u3068\u306b\u30ed\u30b0\u3068\u6a5f\u80fd\u7d50\u679c\u3092\u8a18\u9332\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>\u958b\u767a\u8005\u30fb\u30db\u30b9\u30c8\u3078\u6e21\u3059\u6700\u5c0f\u306e\u5831\u544a\u66f8<\/h3>\n<p>\u5831\u544a\u66f8\u306b\u306f\u3001\u767a\u751f\u65e5\u6642\u3068\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u3001Web\u5074PHP\u7248\u3001WordPress\u30fb\u30c6\u30fc\u30de\u30fb\u30d7\u30e9\u30b0\u30a4\u30f3\u7248\u3001\u5bfe\u8c61URL\u3001\u518d\u73fe\u624b\u9806\u3001\u671f\u5f85\u7d50\u679c\u3068\u5b9f\u7d50\u679c\u3001\u4f0f\u305b\u5b57\u306b\u3057\u305f\u30ed\u30b0\u629c\u7c8b\u3001\u76f4\u524d\u306e\u5909\u66f4\u3001\u66ab\u5b9a\u56de\u907f\u7b56\u3001\u5229\u7528\u8005\u5f71\u97ff\u3092\u542b\u3081\u307e\u3059\u3002\u300cPHP\u66f4\u65b0\u5f8c\u304b\u3089\u58ca\u308c\u305f\u300d\u3060\u3051\u3067\u306f\u3001\u62c5\u5f53\u8005\u304c\u540c\u3058\u8abf\u67fb\u3092\u3084\u308a\u76f4\u3059\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u30db\u30b9\u30c8\u3078\u306fPHP2Shell\u306e\u4e8c\u3064\u306eCVE\u306b\u5bfe\u3059\u308b\u30d1\u30c3\u30c1\u72b6\u6cc1\u3068\u3001\u8a2d\u5b9a\u5909\u66f4\u306e\u53ef\u5426\u3092\u5225\u8cea\u554f\u3068\u3057\u3066\u4f1d\u3048\u307e\u3059\u3002\u30d7\u30e9\u30b0\u30a4\u30f3\u958b\u767a\u8005\u3078\u306f\u4e92\u63db\u6027\u518d\u73fe\u3092\u4f1d\u3048\u3001\u6a5f\u5bc6\u60c5\u5831\u3084\u30ed\u30b0\u5168\u6587\u3092\u9001\u3089\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5165\u529b\u60c5\u5831<\/th>\n<th>\u62c5\u5f53<\/th>\n<th>\u6210\u679c\u7269<\/th>\n<th>\u5b8c\u4e86\u6761\u4ef6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u66f4\u65b0\u524d\u5f8c\u306e\u7248\u30fb\u5909\u66f4\u6642\u523b<\/td>\n<td>\u30b5\u30fc\u30d0\u30fc\u62c5\u5f53<\/td>\n<td>\u7248\u3068\u30d1\u30c3\u30c1\u72b6\u6cc1\u306e\u8a18\u9332<\/td>\n<td>Web\u3067\u5b9f\u884c\u4e2d\u306ePHP\u3068\u63d0\u4f9b\u5143\u3092\u7279\u5b9a<\/td>\n<\/tr>\n<tr>\n<td>\u518d\u73fe\u64cd\u4f5c\u30fb\u91cd\u8981\u6a5f\u80fd\u306e\u7d50\u679c<\/td>\n<td>\u904b\u7528\u62c5\u5f53<\/td>\n<td>\u533f\u540d\u5316\u3057\u305f\u518d\u73fe\u7968<\/td>\n<td>\u7b2c\u4e09\u8005\u304c\u540c\u3058\u64cd\u4f5c\u3092\u518d\u73fe\u53ef\u80fd<\/td>\n<\/tr>\n<tr>\n<td>\u30ed\u30b0\u306e\u8a72\u5f53\u884c\u3068\u5468\u8fba\u6642\u523b<\/td>\n<td>\u958b\u767a\u62c5\u5f53<\/td>\n<td>\u539f\u56e0\u5019\u88dc\u3068\u691c\u8a3c\u8a08\u753b<\/td>\n<td>\u6b21\u306b\u8a66\u3059\u5909\u66f4\u304c\u4e00\u3064\u306b\u7d5e\u3089\u308c\u308b<\/td>\n<\/tr>\n<tr>\n<td>\u4fee\u6b63\u7248\u306e\u52d5\u4f5c\u7d50\u679c<\/td>\n<td>\u691c\u54c1\u62c5\u5f53<\/td>\n<td>\u6a5f\u80fd\u691c\u54c1\u8868<\/td>\n<td>\u8868\u793a\u3068\u30c7\u30fc\u30bf\u6574\u5408\u6027\u304c\u57fa\u6e96\u5185<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u4fee\u6b63\u30fb\u5fa9\u65e7\u306e\u6761\u4ef6\u3092\u5148\u306b\u6c7a\u3081\u3001\u518d\u767a\u3092\u9632\u3050<\/h2>\n<figure class=\"wp-block-image size-full\"><img src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/10\/section-05-13.webp\" alt=\"\u4fee\u6b63\u30fb\u5fa9\u65e7\u306e\u6761\u4ef6\u3092\u5148\u306b\u6c7a\u3081\u3001\u518d\u767a\u3092\u9632\u3050\u306e\u56f3\u89e3\" loading=\"lazy\" decoding=\"async\" \/><\/figure>\n<p>\u539f\u56e0\u5019\u88dc\u304c\u898b\u3064\u304b\u3063\u305f\u3089\u3001\u4fee\u6b63\u65b9\u6cd5\u3092\u5f71\u97ff\u306e\u5c0f\u3055\u3044\u9806\u306b\u9078\u3073\u307e\u3059\u3002\u5bfe\u8c61\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u30c6\u30fc\u30de\u306b\u4e92\u63db\u66f4\u65b0\u304c\u3042\u308b\u306a\u3089\u3001\u958b\u767a\u5143\u306e\u5909\u66f4\u5c65\u6b74\u3092\u78ba\u8a8d\u3057\u3066\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0\u3078\u9069\u7528\u3057\u307e\u3059\u3002\u72ec\u81ea\u30b3\u30fc\u30c9\u306a\u3089\u3001PHP\u306e\u79fb\u884c\u30ac\u30a4\u30c9\u3068\u30c6\u30b9\u30c8\u7d50\u679c\u3092\u4f7f\u3044\u3001\u30b3\u30fc\u30c9\u3092\u4fee\u6b63\u3057\u307e\u3059\u3002\u4ee3\u66ff\u30d7\u30e9\u30b0\u30a4\u30f3\u3078\u306e\u4e57\u308a\u63db\u3048\u3084\u4e00\u90e8\u6a5f\u80fd\u306e\u4e00\u6642\u505c\u6b62\u306f\u3001\u30c7\u30fc\u30bf\u79fb\u884c\u3068\u6a29\u9650\u306b\u5f71\u97ff\u3059\u308b\u305f\u3081\u8cac\u4efb\u8005\u306e\u627f\u8a8d\u3092\u53d6\u308a\u3001\u623b\u3057\u65b9\u3092\u7528\u610f\u3057\u307e\u3059\u3002\u30b3\u30fc\u30c9\u306e\u53e4\u3044\u66f8\u304d\u65b9\u3092\u653e\u7f6e\u3057\u305f\u307e\u307e\u51fa\u529b\u3060\u3051\u6d88\u3059\u3053\u3068\u306f\u3001\u5c06\u6765\u306ePHP\u66f4\u65b0\u3067\u3088\u308a\u5927\u304d\u306a\u969c\u5bb3\u3092\u62db\u304d\u307e\u3059\u3002<\/p>\n<p>\u672c\u756a\u5909\u66f4\u306e\u524d\u306b\u3001\u30d5\u30a1\u30a4\u30eb\u3068\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u53d6\u5f97\u3057\u3001\u5fa9\u5143\u3067\u304d\u308b\u304b\u8a66\u3057\u307e\u3059\u3002\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306e\u53d6\u5f97\u3060\u3051\u3067\u306f\u5b8c\u4e86\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5fa9\u5143\u5148\u3001\u4f5c\u696d\u62c5\u5f53\u3001\u6240\u8981\u6642\u9593\u3001\u3069\u306e\u6642\u70b9\u307e\u3067\u306e\u6ce8\u6587\u3084\u30d5\u30a9\u30fc\u30e0\u30c7\u30fc\u30bf\u304c\u5931\u308f\u308c\u5f97\u308b\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002WordPress\u516c\u5f0f\u306e<a href=\"https:\/\/wordpress.org\/documentation\/update-php\/\" target=\"_blank\" rel=\"noopener noreferrer\">PHP\u66f4\u65b0\u30ac\u30a4\u30c9<\/a>\u3082\u3001\u66f4\u65b0\u524d\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3068\u4e92\u63db\u6027\u78ba\u8a8d\u3092\u6848\u5185\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0\u304b\u3089\u672c\u756a\u3078\u9032\u3080\u54c1\u8cea\u30b2\u30fc\u30c8<\/h3>\n<p>\u958b\u767a\u62c5\u5f53\u306f\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0\u3067\u4fee\u6b63\u3092\u4e00\u3064\u305a\u3064\u9069\u7528\u3057\u3001\u540c\u3058\u64cd\u4f5c\u3092\u3082\u3046\u4e00\u5ea6\u5b9f\u884c\u3057\u307e\u3059\u3002\u5358\u306b\u30ed\u30b0\u306e\u6587\u8a00\u304c\u6d88\u3048\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u51e6\u7406\u7d50\u679c\u304c\u6b63\u3057\u3044\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002\u904b\u7528\u62c5\u5f53\u306f\u30c8\u30c3\u30d7\u30da\u30fc\u30b8\u3001\u4ee3\u8868\u8a18\u4e8b\u3001\u554f\u3044\u5408\u308f\u305b\u3001\u30ed\u30b0\u30a4\u30f3\u3001\u691c\u7d22\u3001\u6c7a\u6e08\u30fb\u4e88\u7d04\u306a\u3069\u8a72\u5f53\u30b5\u30a4\u30c8\u306e\u91cd\u8981\u7d4c\u8def\u3092\u691c\u54c1\u3057\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u62c5\u5f53\u306f\u672c\u756a\u3068\u540c\u3058PHP\u7cfb\u5217\u30fb\u5fc5\u8981\u306a\u62e1\u5f35\u304c\u63c3\u3063\u3066\u3044\u308b\u304b\u3001\u30ed\u30b0\u306e\u4fdd\u7ba1\u5834\u6240\u3068\u7a7a\u304d\u5bb9\u91cf\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u691c\u54c1\u3067\u65b0\u3057\u3044Warning\u304c\u51fa\u305f\u306a\u3089\u3001\u305d\u308c\u3092\u6b8b\u8ab2\u984c\u3068\u3057\u3066\u5206\u985e\u3057\u3001\u91cd\u5927\u5ea6\u3092\u5224\u65ad\u3057\u3066\u304b\u3089\u516c\u958b\u53ef\u5426\u3092\u6c7a\u3081\u307e\u3059\u3002<\/p>\n<p>\u672c\u756a\u53cd\u6620\u306e\u958b\u59cb\u6761\u4ef6\u3092\u300cPHP2Shell\u306e\u4fee\u6b63\u9069\u7528\u78ba\u8a8d\u300d\u300c\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3068\u5fa9\u5143\u624b\u9806\u304c\u3042\u308b\u300d\u300c\u62c5\u5f53\u8005\u304c\u305d\u308d\u3046\u300d\u300c\u691c\u54c1\u7968\u304c\u3042\u308b\u300d\u3068\u3057\u3001\u505c\u6b62\u6761\u4ef6\u3092\u300c\u4e3b\u8981\u6a5f\u80fd\u306e\u5931\u6557\u300d\u300c\u60f3\u5b9a\u5916\u306e\u30a8\u30e9\u30fc\u51fa\u529b\u300d\u300c\u30ed\u30b0\u5bb9\u91cf\u306e\u5371\u967a\u57df\u300d\u300c\u30c7\u30fc\u30bf\u4e0d\u6574\u5408\u300d\u3068\u3057\u307e\u3059\u3002\u6761\u4ef6\u3092\u6570\u5024\u5316\u3067\u304d\u308b\u30b5\u30a4\u30c8\u3067\u306f\u3001\u305f\u3068\u3048\u3070\u6c7a\u6e08\u30fb\u30d5\u30a9\u30fc\u30e0\u306e\u6210\u529f\u7387\u3001HTTP 5xx\u3001\u30ed\u30b0\u5897\u52a0\u91cf\u3092\u5909\u66f4\u524d\u306e\u57fa\u6e96\u3068\u6bd4\u3079\u307e\u3059\u3002\u56fa\u5b9a\u306e\u6570\u5024\u3092\u5168\u30b5\u30a4\u30c8\u3078\u5f53\u3066\u306f\u3081\u305a\u3001\u666e\u6bb5\u306e\u6c34\u6e96\u3068\u8a31\u5bb9\u7bc4\u56f2\u3092\u8cac\u4efb\u8005\u304c\u6c7a\u3081\u307e\u3059\u3002<\/p>\n<p>\u53cd\u6620\u5f8c\u306f\u6700\u521d\u306e30\u5206\u3067\u91cd\u8981\u7d4c\u8def\u3092\u624b\u3067\u691c\u54c1\u3057\u3001\u305d\u306e\u5f8c\u6570\u6642\u9593\u306f\u30ed\u30b0\u30685xx\u306e\u5897\u52a0\u3092\u76e3\u8996\u3057\u307e\u3059\u3002\u7fcc\u65e5\u306b\u306f\u5229\u7528\u8005\u554f\u3044\u5408\u308f\u305b\u3068\u4fdd\u5b58\u30c7\u30fc\u30bf\u3092\u898b\u76f4\u3057\u307e\u3059\u3002\u30a8\u30e9\u30fc\u304c\u518d\u767a\u3057\u306a\u3051\u308c\u3070\u3001\u8abf\u67fb\u7528\u306b\u6709\u52b9\u5316\u3057\u305fWordPress\u30c7\u30d0\u30c3\u30b0\u8a2d\u5b9a\u3092\u623b\u3057\u3001\u4e0d\u8981\u306a\u30ed\u30b0\u3092\u9069\u5207\u306b\u4fdd\u7ba1\u307e\u305f\u306f\u524a\u9664\u3057\u307e\u3059\u3002\u30ed\u30b0\u5185\u306b\u500b\u4eba\u60c5\u5831\u304c\u3042\u308c\u3070\u3001\u4fdd\u5b58\u5148\u3068\u5171\u6709\u5c65\u6b74\u3082\u70b9\u691c\u3057\u307e\u3059\u3002\u5909\u66f4\u5c65\u6b74\u306b\u300c\u7248\u3001\u4fee\u6b63\u7b87\u6240\u3001\u691c\u54c1\u7d50\u679c\u3001\u6b8b\u8ab2\u984c\u3001\u62c5\u5f53\u8005\u3001\u6642\u523b\u300d\u3092\u8a18\u9332\u3057\u3066\u4f5c\u696d\u3092\u7d42\u3048\u307e\u3059\u3002<\/p>\n<h3>\u66f4\u65b0\u3092\u623b\u3059\u5834\u5408\u3082\u5b89\u5168\u6027\u3092\u540c\u6642\u306b\u8a55\u4fa1\u3059\u308b<\/h3>\n<p>PHP\u3092\u524d\u306e\u7248\u3078\u623b\u3059\u5224\u65ad\u306f\u3001\u30b5\u30fc\u30d3\u30b9\u505c\u6b62\u3092\u77ed\u6642\u9593\u3067\u89e3\u6d88\u3067\u304d\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u304b\u3057PHP2Shell\u306e\u4fee\u6b63\u524d\u306e\u7248\u3078\u623b\u305b\u3070\u3001\u516c\u958b\u74b0\u5883\u306e\u30ea\u30b9\u30af\u304c\u5897\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u623b\u3059\u524d\u306b\u3001\u5951\u7d04\u5148\u306e\u30d0\u30c3\u30af\u30dd\u30fc\u30c8\u72b6\u6cc1\u3001\u4ee3\u66ff\u306e\u4fee\u6b63\u7248\u306e\u6709\u7121\u3001\u516c\u958b\u6a5f\u80fd\u306e\u4e00\u6642\u505c\u6b62\u3001\u30db\u30b9\u30c8\u306e\u652f\u63f4\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u91cd\u5927\u306a\u969c\u5bb3\u3067\u3084\u3080\u3092\u5f97\u305a\u4e00\u6642\u7684\u306b\u623b\u3059\u5834\u5408\u3082\u3001\u8cac\u4efb\u8005\u304c\u7406\u7531\u3068\u671f\u9650\u3001\u516c\u958b\u7bc4\u56f2\u3001\u8ffd\u52a0\u76e3\u8996\u3001\u518d\u66f4\u65b0\u306e\u4e88\u5b9a\u3092\u660e\u8a18\u3057\u307e\u3059\u3002\u300c\u753b\u9762\u304c\u76f4\u3063\u305f\u306e\u3067\u7d42\u4e86\u300d\u3068\u3057\u307e\u305b\u3093\u3002\u611f\u67d3\u306e\u7591\u3044\u304c\u3042\u308b\u306a\u3089\u3001\u30ed\u30b0\u3068\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5168\u3057\u3066\u304b\u3089<a href=\"https:\/\/withcode.tech\/media\/php2shell-wordpress-incident-response-2026\/\">\u4fb5\u5bb3\u6642\u306e\u521d\u52d5\u624b\u9806<\/a>\u3078\u79fb\u308a\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306e\u4e8c\u3064\u306eCVE\u306e\u4fee\u6b63\u306f\u3001\u8b66\u544a\u3092\u51fa\u3059\u304b\u51fa\u3055\u306a\u3044\u304b\u3067\u306f\u306a\u304fPHP\u672c\u4f53\u3078\u306e\u30d1\u30c3\u30c1\u304c\u4e2d\u6838\u3067\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30e9\u30b0\u30a4\u30f3\u3001WAF\u3001\u753b\u9762\u8868\u793a\u306e\u6291\u5236\u3001\u53e4\u3044\u7248\u3078\u306e\u5dfb\u304d\u623b\u3057\u306e\u3044\u305a\u308c\u3082\u3001PHP\u306e\u4fee\u6b63\u9069\u7528\u306e\u4ee3\u308f\u308a\u3068\u306f\u8a00\u3048\u307e\u305b\u3093\u3002\u3053\u306e\u5883\u754c\u3092\u793e\u5185\u306e\u4f5c\u696d\u8a18\u9332\u306b\u3082\u660e\u8a18\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f\u3068\u516c\u5f0f\u60c5\u5831\u306e\u78ba\u8a8d\u5148<\/h2>\n<figure class=\"wp-block-image size-full\"><img src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/10\/section-06-9.webp\" alt=\"\u3088\u304f\u3042\u308b\u8cea\u554f\u3068\u516c\u5f0f\u60c5\u5831\u306e\u78ba\u8a8d\u5148\u306e\u56f3\u89e3\" loading=\"lazy\" decoding=\"async\" \/><\/figure>\n<h3>\u753b\u9762\u304b\u3089Warning\u304c\u6d88\u3048\u305f\u3089\u4fee\u6b63\u5b8c\u4e86\u3067\u3059\u304b\uff1f<\/h3>\n<p>\u3044\u3044\u3048\u3002<code>display_errors<\/code>\u3084<code>WP_DEBUG_DISPLAY<\/code>\u3092\u7121\u52b9\u306b\u3059\u308c\u3070\u3001\u753b\u9762\u306b\u898b\u3048\u306a\u304f\u306a\u308b\u3060\u3051\u306e\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30ed\u30b0\u306e\u767a\u751f\u3001\u51e6\u7406\u7d50\u679c\u3001PHP2Shell\u3078\u306e\u4fee\u6b63\u9069\u7528\u306f\u5225\u9014\u78ba\u8a8d\u3057\u307e\u3059\u3002\u753b\u9762\u975e\u8868\u793a\u306f\u60c5\u5831\u6f0f\u3048\u3044\u5bfe\u7b56\u3068\u3057\u3066\u5fc5\u8981\u3067\u3059\u304c\u3001\u305d\u308c\u3092\u4e0d\u5177\u5408\u4fee\u6b63\u3084\u8106\u5f31\u6027\u5bfe\u7b56\u3068\u540c\u4e00\u8996\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u307e\u305a\u5229\u7528\u8005\u306e\u91cd\u8981\u64cd\u4f5c\u304c\u6b63\u5e38\u306b\u5b8c\u4e86\u3057\u3001\u4fdd\u5b58\u30c7\u30fc\u30bf\u304c\u4e00\u81f4\u3057\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<h3>Deprecated\u306f\u3059\u3050\u306b\u76f4\u3055\u306a\u304f\u3066\u3082\u3088\u3044\u3067\u3059\u304b\uff1f<\/h3>\n<p>\u76f4\u3061\u306b\u505c\u6b62\u3057\u306a\u3044\u30b1\u30fc\u30b9\u306f\u591a\u3044\u3082\u306e\u306e\u3001\u5c06\u6765\u306e\u4e92\u63db\u6027\u306e\u8b66\u544a\u3068\u3057\u3066\u8a18\u9332\u3057\u3001\u4fee\u6b63\u671f\u9650\u3092\u6c7a\u3081\u307e\u3059\u3002\u516c\u958b\u753b\u9762\u306b\u8868\u793a\u3055\u308c\u308b\u306a\u3089\u3001\u512a\u5148\u3057\u3066\u975e\u8868\u793a\u5316\u3068\u9732\u51fa\u78ba\u8a8d\u3092\u3057\u307e\u3059\u3002\u767a\u751f\u4ef6\u6570\u304c\u591a\u304f\u30ed\u30b0\u5bb9\u91cf\u3084\u6027\u80fd\u306b\u5f71\u97ff\u3059\u308b\u306a\u3089\u3001\u904b\u7528\u4e0a\u306e\u512a\u5148\u5ea6\u3082\u4e0a\u304c\u308a\u307e\u3059\u3002\u958b\u767a\u5143\u304c\u4e92\u63db\u66f4\u65b0\u3092\u51fa\u3057\u3066\u3044\u308b\u304b\u3001\u66f4\u65b0\u5148PHP\u306e\u79fb\u884c\u30ac\u30a4\u30c9\u306b\u8a72\u5f53\u3059\u308b\u304b\u3092\u78ba\u8a8d\u3057\u3001\u6b21\u56de\u306e\u4fdd\u5b88\u8a08\u753b\u3078\u7d44\u307f\u8fbc\u307f\u307e\u3059\u3002<\/p>\n<h3><code>wp-content\/debug.log<\/code>\u3092\u516c\u958b\u3057\u305f\u307e\u307e\u4f7f\u3063\u3066\u3088\u3044\u3067\u3059\u304b\uff1f<\/h3>\n<p>\u3044\u3044\u3048\u3002WordPress\u516c\u5f0f\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30ed\u30b0\u5148\u304c\u516c\u958b\u53ef\u80fd\u306a\u5834\u6240\u306b\u306a\u308a\u5f97\u308b\u3068\u6ce8\u610f\u3057\u3066\u3044\u307e\u3059\u3002\u30ed\u30b0\u306b\u306f\u30d1\u30b9\u3084\u5165\u529b\u60c5\u5831\u304c\u5165\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u5fc5\u8981\u306a\u3089Web\u304b\u3089\u53d6\u5f97\u3067\u304d\u306a\u3044\u30d1\u30b9\u3092\u6307\u5b9a\u3057\u3001\u30db\u30b9\u30c8\u304c\u63d0\u4f9b\u3059\u308b\u975e\u516c\u958b\u30ed\u30b0\u3092\u4f7f\u3044\u3001\u30a2\u30af\u30bb\u30b9\u6a29\u3068\u4fdd\u7ba1\u671f\u9593\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u8a2d\u5b9a\u3092\u4fe1\u3058\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u672a\u8a8d\u8a3c\u72b6\u614b\u304b\u3089\u53d6\u5f97\u3067\u304d\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u8abf\u67fb\u304c\u7d42\u308f\u3063\u305f\u30ed\u30b0\u306f\u65b9\u91dd\u306b\u5f93\u3063\u3066\u51e6\u7406\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>Warning\u304c\u51fa\u305f\u3089PHP\u3092\u65e7\u7248\u3078\u623b\u3059\u3079\u304d\u3067\u3059\u304b\uff1f<\/h3>\n<p>\u81ea\u52d5\u7684\u306b\u306f\u623b\u3057\u307e\u305b\u3093\u3002\u307e\u305a\u6a5f\u80fd\u306e\u5b9f\u5bb3\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u30c6\u30fc\u30de\u306e\u66f4\u65b0\u53ef\u5426\u3001\u30db\u30b9\u30c8\u304c\u63d0\u4f9b\u3059\u308b\u5225\u306e\u4fee\u6b63\u7248\u3001\u5fa9\u65e7\u307e\u3067\u306e\u898b\u8fbc\u307f\u3092\u8a55\u4fa1\u3057\u307e\u3059\u3002PHP2Shell\u306e\u672a\u4fee\u6b63\u7248\u3078\u623b\u3059\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u554f\u984c\u304c\u6b8b\u308a\u5f97\u307e\u3059\u3002\u623b\u3059\u5834\u5408\u306f\u4e00\u6642\u63aa\u7f6e\u3068\u3057\u3066\u671f\u9650\u3068\u518d\u66f4\u65b0\u8a08\u753b\u3092\u6c7a\u3081\u307e\u3059\u3002PHP\u516c\u5f0f\u306e\u4fee\u6b63\u7248\u3060\u3051\u3067\u306a\u304f\u30db\u30b9\u30c8\u5074\u306e\u30d0\u30c3\u30af\u30dd\u30fc\u30c8\u72b6\u6cc1\u3092\u7167\u5408\u3059\u308b\u3053\u3068\u3082\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<h3>\u30ed\u30b0\u306e\u6025\u5897\u306f\u653b\u6483\u306e\u8a3c\u62e0\u3067\u3059\u304b\uff1f<\/h3>\n<p>\u30ed\u30b0\u306e\u5897\u52a0\u3060\u3051\u3067\u306f\u65ad\u5b9a\u3067\u304d\u307e\u305b\u3093\u3002PHP\u66f4\u65b0\u3067\u4ee5\u524d\u306f\u8a18\u9332\u3055\u308c\u306a\u304b\u3063\u305f\u4e92\u63db\u6027\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u898b\u3048\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3001\u30a2\u30af\u30bb\u30b9\u306e\u591a\u3044\u7b87\u6240\u3067\u540c\u3058\u8b66\u544a\u304c\u7e70\u308a\u8fd4\u3055\u308c\u305f\u3001\u3068\u3044\u3046\u7406\u7531\u3067\u3082\u5897\u3048\u307e\u3059\u3002\u4e00\u65b9\u3067\u30a2\u30af\u30bb\u30b9\u30ed\u30b0\u3001\u8a8d\u8a3c\u30ed\u30b0\u3001\u30d5\u30a1\u30a4\u30eb\u5909\u66f4\u306b\u4e0d\u5be9\u306a\u5146\u5019\u304c\u3042\u308c\u3070\u3001\u4fb5\u5bb3\u5bfe\u5fdc\u3078\u5207\u308a\u66ff\u3048\u307e\u3059\u3002\u8a3a\u65ad\u30ed\u30b0\u306f\u5358\u72ec\u3067\u7d50\u8ad6\u3092\u51fa\u3059\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u6642\u523b\u3068\u95a2\u9023\u8a18\u9332\u3092\u5408\u308f\u305b\u3066\u5224\u65ad\u3057\u307e\u3059\u3002<\/p>\n<h3>\u53c2\u8003\u306b\u3057\u305f\u516c\u5f0f\u8cc7\u6599<\/h3>\n<ul>\n<li><a href=\"https:\/\/www.php.net\/archive\/2026.php#2026-10-21-5\" target=\"_blank\" rel=\"noopener noreferrer\">PHP\u516c\u5f0f\uff1a2026\u5e7410\u670821\u65e5\u306e\u7dca\u6025\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u52e7\u544a<\/a>\u3002PHP2Shell\u306e\u4fee\u6b63\u7248\u3068\u5bfe\u8c61\u74b0\u5883\u30022026\u5e7410\u670823\u65e5\u78ba\u8a8d\u3002<\/li>\n<li><a href=\"https:\/\/www.php.net\/manual\/en\/language.error-handling.diagnostic.php\" target=\"_blank\" rel=\"noopener noreferrer\">PHP\u516c\u5f0f\uff1aDiagnostic errors<\/a>\u3002\u30a8\u30e9\u30fc\u30ec\u30d9\u30eb\u3068\u8868\u793a\u30fb\u8a18\u9332\u306e\u8003\u3048\u65b9\u30022026\u5e7410\u670823\u65e5\u78ba\u8a8d\u3002<\/li>\n<li><a href=\"https:\/\/www.php.net\/manual\/en\/errorfunc.configuration.php\" target=\"_blank\" rel=\"noopener noreferrer\">PHP\u516c\u5f0f\uff1aRuntime Configuration<\/a>\u3002<code>display_errors<\/code>\u3001<code>log_errors<\/code>\u3001<code>error_reporting<\/code>\u30022026\u5e7410\u670823\u65e5\u78ba\u8a8d\u3002<\/li>\n<li><a href=\"https:\/\/developer.wordpress.org\/advanced-administration\/debug\/debug-wordpress\/\" target=\"_blank\" rel=\"noopener noreferrer\">WordPress\u516c\u5f0f\uff1aDebugging in WordPress<\/a>\u3002\u30c7\u30d0\u30c3\u30b0\u5b9a\u6570\u3068\u30ed\u30b0\u30022026\u5e7410\u670823\u65e5\u78ba\u8a8d\u3002<\/li>\n<li><a href=\"https:\/\/developer.wordpress.org\/apis\/wp-config-php\/\" target=\"_blank\" rel=\"noopener noreferrer\">WordPress\u516c\u5f0f\uff1awp-config.php<\/a>\u3002\u516c\u958b\u74b0\u5883\u306e\u8a2d\u5b9a\u3068\u30ed\u30b0\u306e\u6ce8\u610f\u30022026\u5e7410\u670823\u65e5\u78ba\u8a8d\u3002<\/li>\n<li><a href=\"https:\/\/wordpress.org\/documentation\/update-php\/\" target=\"_blank\" rel=\"noopener noreferrer\">WordPress\u516c\u5f0f\uff1aPHP\u66f4\u65b0\u30ac\u30a4\u30c9<\/a>\u3002\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3068\u4e92\u63db\u6027\u78ba\u8a8d\u30022026\u5e7410\u670823\u65e5\u78ba\u8a8d\u3002<\/li>\n<\/ul>\n<p>\u5b9f\u969b\u306ePHP\u306e\u63d0\u4f9b\u5f62\u614b\u3001\u30db\u30b9\u30c8\u306e\u753b\u9762\u3001\u4fee\u6b63\u9069\u7528\u65e5\u306f\u5909\u66f4\u3055\u308c\u5f97\u307e\u3059\u3002\u516c\u958b\u5f8c\u3082\u516c\u5f0f\u544a\u77e5\u3092\u78ba\u8a8d\u3057\u3001\u3053\u306e\u8a18\u4e8b\u306e\u5224\u65ad\u8868\u3092\u81ea\u793e\u30b5\u30a4\u30c8\u306e\u91cd\u8981\u6a5f\u80fd\u306b\u5408\u308f\u305b\u3066\u66f4\u65b0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>WithAI\u3067\u3001\u6280\u8853\u306e\u5224\u65ad\u3092\u81ea\u5206\u306e\u529b\u306b<\/h2>\n<figure class=\"wp-block-image aligncenter size-large\"><a href=\"https:\/\/s.lmes.jp\/landing-qr\/2010578884-C5To3Fmv?uLand=phzKXf\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/07\/withai-cta-banner.jpg\" alt=\"\u4eca\u306a\u3089\u5b8c\u5168\u7121\u6599\u3067AI\u3092\u5b66\u3079\u308b\uff01WithAI\" width=\"1254\" height=\"1254\"><\/a><\/figure>\n<p>PHP\u66f4\u65b0\u5f8c\u306eWarning\u3092\u305f\u3060\u6d88\u3059\u306e\u3067\u306f\u306a\u304f\u3001\u539f\u56e0\u3068\u5229\u7528\u8005\u5f71\u97ff\u3092\u5206\u3051\u3066\u8aac\u660e\u3067\u304d\u308b\u4eba\u304c\u3044\u308b\u3068\u3001\u969c\u5bb3\u5bfe\u5fdc\u306f\u901f\u304f\u306a\u308a\u307e\u3059\u3002\u30ed\u30b0\u306e\u8aad\u307f\u65b9\u3001Web\u306e\u4ed5\u7d44\u307f\u3001AI\u3092\u4f7f\u3063\u305f\u60c5\u5831\u6574\u7406\u3092\u5b66\u3073\u3001\u516c\u5f0f\u8cc7\u6599\u3092\u6839\u62e0\u306b\u5224\u65ad\u3059\u308b\u529b\u3092\u4f38\u3070\u3057\u307e\u305b\u3093\u304b\u3002<a href=\"https:\/\/s.lmes.jp\/landing-qr\/2010578884-C5To3Fmv?uLand=phzKXf\" target=\"_blank\" rel=\"noopener 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