{"id":23010,"date":"2019-04-15T02:36:17","date_gmt":"2019-04-15T09:36:17","guid":{"rendered":"https:\/\/kinsta.com\/?p=4260"},"modified":"2025-04-16T20:04:44","modified_gmt":"2025-04-16T11:04:44","slug":"wordpress-white-screen-of-death","status":"publish","type":"post","link":"https:\/\/kinsta.com\/jp\/blog\/wordpress-white-screen-of-death\/","title":{"rendered":"\u30109\u7a2e\u985e\u3011WordPress\u306e\u6b7b\u306e\u771f\u3063\u767d\u753b\u9762\uff08WSoD\uff09\u89e3\u6c7a\u7b56"},"content":{"rendered":"<p>WordPress\u30b5\u30a4\u30c8\u3092\u95b2\u89a7\u3057\u3066\u3044\u3066\u3001\u7a81\u7136\u300c\u6b7b\u306e\u771f\u3063\u767d\u753b\u9762\uff08WSoD\uff09\u300d\u306b\u906d\u9047\u3059\u308b\u307b\u3069\u6b8b\u5ff5\u306a\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u3068\u3001\u7ba1\u7406\u8005\u3068\u8a2a\u554f\u8005\u306e\u4e21\u65b9\u304c\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u6b7b\u306e\u771f\u3063\u767d\u753b\u9762\u30a8\u30e9\u30fc\u3067\u306f\u3001\u539f\u56e0\u3084\u89e3\u6c7a\u7b56\u306b\u3064\u306a\u304c\u308b\u60c5\u5831\u304c\u5341\u5206\u306b\u63d0\u4f9b\u3055\u308c\u306a\u3044\u305f\u3081\u5384\u4ecb\u3067\u3059\u304c\u3001<a 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count-number=\"-1\"><\/kinsta-auto-toc>\n<h2>WordPress\u306e\u6b7b\u306e\u771f\u3063\u767d\u753b\u9762\uff08WSoD\uff09\u3068\u306f<\/h2>\n<p>\u305d\u306e\u540d\u306e\u3068\u304a\u308a\u3001WordPress\u306e\u300c\u6b7b\u306e\u771f\u3063\u767d\u753b\u9762\uff08\u5225\u540d\u300cWSoD\u300d\u3084\u300c\u6b7b\u306e\u30db\u30ef\u30a4\u30c8\u30b9\u30af\u30ea\u30fc\u30f3\u300d\u3068\u3082\uff09\u300d\u306f\u3001\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u30da\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u305a\u3001\u753b\u9762\u304c\u771f\u3063\u767d\u306b\u306a\u308b\u73fe\u8c61\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n<p>\u4f7f\u7528\u3057\u3066\u3044\u308b\u30d6\u30e9\u30a6\u30b6\u306b\u3088\u3063\u3066\u3001\u8868\u793a\u3055\u308c\u308b\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u7570\u306a\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306fGoogle Chrome\u306e\u4f8b\u3067\u3059\u3002\u300cThis page isn\u2019t working and is unable to handle the request\u300d\u3068\u3044\u3046<a href=\"https:\/\/kinsta.com\/jp\/blog\/500-internal-server-error\/\">HTTP 500\u30a8\u30e9\u30fc<\/a>\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_74325\" aria-describedby=\"caption-attachment-74325\" style=\"width: 1326px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-74325\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/07\/wsod-chrome.png\" alt=\"Google Chrome\u306eWordPress\u30b5\u30a4\u30c8\u306e\u6b7b\u306e\u771f\u3063\u767d\u753b\u9762\u30a8\u30e9\u30fc\" width=\"1326\" height=\"834\"><figcaption id=\"caption-attachment-74325\" class=\"wp-caption-text\">Google Chrome\u306eWordPress\u30b5\u30a4\u30c8\u306e\u6b7b\u306e\u771f\u3063\u767d\u753b\u9762\u30a8\u30e9\u30fc<\/figcaption><\/figure>\n<p>\u4ee5\u4e0b\u306fMozilla Firefox\u3067\u306e\u898b\u3048\u65b9\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_74329\" 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list-style=\"decimal\" selector=\"h3\" count-number=\"9\" sub-toc=\"true\"><\/kinsta-auto-toc>\n<h3>1. 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href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-admin\/\">\u7ba1\u7406\u753b\u9762<\/a>\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u5834\u5408\u306f\u3001\u300c<strong>\u30d7\u30e9\u30b0\u30a4\u30f3<\/strong>\u300d\u753b\u9762\u306b\u79fb\u52d5\u3057\u3066\u3001\u300c<strong>\u4e00\u62ec\u64cd\u4f5c<\/strong>\u300d\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u304b\u3089\u300c<strong>\u7121\u52b9\u5316<\/strong>\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_64602\" aria-describedby=\"caption-attachment-64602\" style=\"width: 2010px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-64602 size-full\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2019\/04\/wp-admin-plugins-deactivate.png\" alt=\"\u5168\u3066\u306eWordPress\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u7121\u52b9\u306b\u3059\u308b\" width=\"2010\" height=\"1148\" 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aria-describedby=\"caption-attachment-74347\" style=\"width: 810px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-74347 size-full\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/07\/rename-plugins-folder-1.png\" alt=\"plugins\u30d5\u30a9\u30eb\u30c0\u306e\u540d\u524d\u3092\u5909\u66f4\u3059\u308b\" width=\"810\" height=\"595\"><figcaption id=\"caption-attachment-74347\" class=\"wp-caption-text\">plugins\u30d5\u30a9\u30eb\u30c0\u306e\u540d\u524d\u3092\u5909\u66f4\u3059\u308b<\/figcaption><\/figure>\n<p>\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3067\u30b5\u30a4\u30c8\u3092\u78ba\u8a8d\u3057\u3001\u30b5\u30a4\u30c8\u304c\u6b63\u5e38\u306b\u7a3c\u50cd\u3059\u308b\u5834\u5408\u306f\u3001\u5148\u307b\u3069\u540c\u69d8\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u30921\u3064\u305a\u3064\u6709\u52b9\u5316\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u30d5\u30a9\u30eb\u30c0\u540d\u3092\u300cplugins\u300d\u306b\u623b\u3057\u3001\u554f\u984c\u306e\u3042\u308b\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u898b\u3064\u304b\u308b\u307e\u3067\u3001\u5404\u30d7\u30e9\u30b0\u30a4\u30f3\u30d5\u30a9\u30eb\u30c0\u30921\u3064\u305a\u3064\u5909\u66f4\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h3>2. \u30c7\u30d5\u30a9\u30eb\u30c8\u306eWordPress\u30c6\u30fc\u30de\u306b\u5207\u308a\u66ff\u3048\u308b<\/h3>\n<p>\u554f\u984c\u304c\u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u306f\u306a\u3044\u5834\u5408\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/fastest-wordpress-theme\/\">WordPress\u30c6\u30fc\u30de<\/a>\u304c\u6b7b\u306e\u771f\u3063\u767d\u753b\u9762\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3053\u308c\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001\u4f7f\u7528\u4e2d\u306e\u30c6\u30fc\u30de\u3092<a href=\"https:\/\/kinsta.com\/jp\/blog\/change-wordpress-theme\/\">\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30c6\u30fc\u30de\u3092\u5207\u308a\u66ff\u3048<\/a>\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u7ba1\u7406\u753b\u9762\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u5834\u5408\u306f\u3001\u300c<strong>\u5916\u89b3<\/strong>\u300d\uff1e\u300c<strong>\u30c6\u30fc\u30de<\/strong>\u300d\u306b\u79fb\u52d5\u3057\u3066\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/twenty-twenty-theme\/\">Twenty Twenty-Five<\/a>\u306a\u3069\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306eWordPress\u30c6\u30fc\u30de\u3092\u6709\u52b9\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<figure id=\"attachment_64603\" aria-describedby=\"caption-attachment-64603\" style=\"width: 1764px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-64603 size-full\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2019\/04\/wp-admin-theme-customize.png\" alt=\"WordPress\u30c6\u30fc\u30de\u300cTwenty Twenty-Five\u300d\" width=\"1764\" height=\"892\" srcset=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2019\/04\/wp-admin-theme-customize.png 1764w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2019\/04\/wp-admin-theme-customize-300x152.png 300w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2019\/04\/wp-admin-theme-customize-1024x518.png 1024w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2019\/04\/wp-admin-theme-customize-768x388.png 768w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2019\/04\/wp-admin-theme-customize-1536x777.png 1536w\" sizes=\"auto, (max-width: 1764px) 100vw, 1764px\" \/><figcaption id=\"caption-attachment-64603\" class=\"wp-caption-text\">WordPress\u30c6\u30fc\u30de\u300cTwenty Twenty-Five\u300d<\/figcaption><\/figure>\n<p>\u30b5\u30a4\u30c8\u3092\u518d\u8aad\u307f\u8fbc\u307f\u3057\u3066\u307f\u3066\u3001\u30a8\u30e9\u30fc\u304c\u6d88\u3048\u308b\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002\u7121\u4e8b\u306b\u30b5\u30a4\u30c8\u304c\u8868\u793a\u3055\u308c\u308c\u3070\u3001\u539f\u56e0\u306f\u4f7f\u7528\u3057\u3066\u3044\u305f\u30c6\u30fc\u30de\u306b\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u7ba1\u7406\u753b\u9762\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u5834\u5408\u306f\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u5834\u5408\u3068\u540c\u69d8\u3067\u3001FTP\u3092\u4f7f\u7528\u3057\u3066\u30b5\u30a4\u30c8\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001 <strong>wp-content\/themes<\/strong>\u30d5\u30a9\u30eb\u30c0\u306e\u540d\u524d\u3092\u5225\u306e\u540d\u524d\u306b\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_74350\" aria-describedby=\"caption-attachment-74350\" style=\"width: 810px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-74350 size-full\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/07\/rename-themes-folder.png\" alt=\"themes\u30d5\u30a9\u30eb\u30c0\u306e\u540d\u524d\u3092\u5909\u66f4\u3059\u308b\" width=\"810\" height=\"595\"><figcaption id=\"caption-attachment-74350\" class=\"wp-caption-text\">themes\u30d5\u30a9\u30eb\u30c0\u306e\u540d\u524d\u3092\u5909\u66f4\u3059\u308b<\/figcaption><\/figure>\n<p>\u3053\u308c\u3067\u3001WordPress\u30b5\u30a4\u30c8\u304c\u6700\u65b0\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30c6\u30fc\u30de\u306b\u5207\u308a\u66ff\u3048\u3055\u308c\u307e\u3059\u3002\u4ed6\u306b\u30c6\u30fc\u30de\u304c\u306a\u3044\u5834\u5408\u306f\u3001WordPress\u30c6\u30fc\u30de\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304b\u3089\u30c6\u30fc\u30de\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/how-to-install-a-wordpress-theme\/\">\u30c6\u30fc\u30de\u30d5\u30a9\u30eb\u30c0\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9<\/a>\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30c6\u30fc\u30de\u3092\u5207\u308a\u66ff\u3048\u305f\u3089\u3001\u30b5\u30a4\u30c8\u3092\u518d\u8aad\u307f\u8fbc\u307f\u3057\u3001\u6b63\u5e38\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u308c\u3070\u3001\u30c6\u30fc\u30de\u306b\u7af6\u5408\u307e\u305f\u306f<a href=\"https:\/\/kinsta.com\/jp\/blog\/how-to-update-wordpress-theme\/\">\u4e0d\u9069\u5207\u306a\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8<\/a>\u304c\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u306f\u3001\u958b\u767a\u8005\u306b\u76f8\u8ac7\u3059\u308b\u304b\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/change-wordpress-theme\/\">\u30c6\u30fc\u30de\u306e\u5909\u66f4<\/a>\u3092\u691c\u8a0e\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>Kinsta\u3067\u306f\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u3068\u30c6\u30fc\u30de\u306b<a href=\"https:\/\/kinsta.com\/jp\/blog\/kinsta-automatic-updates\/\">Kinsta\u81ea\u52d5\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8<\/a>\u30a2\u30c9\u30aa\u30f3\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u30d7\u30e9\u30b0\u30a4\u30f3\u3068\u30c6\u30fc\u30de\u306e\u66f4\u65b0\u3092\u5b89\u5168\u304b\u3064\u7d20\u65e9\u304f\u81ea\u52d5\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u30c6\u30fc\u30de\u306b\u8d77\u56e0\u3059\u308b\u554f\u984c\u3092\u524a\u6e1b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>3. \u30d6\u30e9\u30a6\u30b6\u3068WordPress\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b<\/h3>\n<p>WordPress\u7ba1\u7406\u753b\u9762\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u72b6\u614b\u3067\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u306b\u6b7b\u306e\u771f\u3063\u767d\u753b\u9762\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-cache\/\">\u30ad\u30e3\u30c3\u30b7\u30e5<\/a>\u306e\u554f\u984c\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/how-to-clear-browser-cache\/\">\u30a6\u30a7\u30d6\u30d6\u30e9\u30a6\u30b6\u306e\u30ad\u30e3\u30c3\u30b7\u30e5<\/a>\u3068WordPress\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\uff08\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u3044\u308b\u5834\u5408\uff09\u3092\u30af\u30ea\u30a2\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>WordPress\u30b5\u30a4\u30c8\u3067\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-caching-plugins\/#wp-rocket\">WP Rocket<\/a>\u3084<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-caching-plugins\/#wp-super-cache\">WP Super Cache<\/a>\u306a\u3069\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u306f\u3001\u901a\u5e38\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u8a2d\u5b9a\u753b\u9762\u304b\u3089\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>WP Super Cache\u3092\u4f8b\u306b\u6319\u3052\u308b\u3068\u3001WordPress\u7ba1\u7406\u753b\u9762\u304b\u3089\u300c<strong>\u8a2d\u5b9a<\/strong>\u300d\uff1e\u300c<strong>WP Super Cache<\/strong>\u300d\uff1e\u300c<strong>Delete Cache<\/strong>\uff08\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30af\u30ea\u30a2\uff09\u300d\u3068\u3044\u3046\u624b\u9806\u3067\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_74326\" aria-describedby=\"caption-attachment-74326\" style=\"width: 902px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-74326\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/07\/wp-super-cache-plugin-settings.jpg\" alt=\"WP Super Cache\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u8a2d\u5b9a\u30da\u30fc\u30b8\" width=\"902\" height=\"301\"><figcaption id=\"caption-attachment-74326\" class=\"wp-caption-text\">WP Super Cache\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u8a2d\u5b9a\u30da\u30fc\u30b8<\/figcaption><\/figure>\n<h4>MyKinsta\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u65b9\u6cd5<\/h4>\n<p>Kinsta\u3092\u3054\u5229\u7528\u3067\u3042\u308c\u3070\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-cache\/#clearing-wordpress-cache\">MyKinsta\u304b\u3089\u7c21\u5358\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2<\/a>\u3067\u304d\u307e\u3059\u3001\u30ed\u30b0\u30a4\u30f3\u5f8c\u3001\u300c<strong>WordPress\u30b5\u30a4\u30c8<\/strong>\u300d\uff1e\uff08<strong>\u30b5\u30a4\u30c8\u540d<\/strong>\uff09\uff1e\u300c<strong>\u30ad\u30e3\u30c3\u30b7\u30e5<\/strong>\u300d\u753b\u9762\u306b\u79fb\u52d5\u3057\u3001\u300c<strong>\u5168\u3066\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_64604\" aria-describedby=\"caption-attachment-64604\" style=\"width: 2372px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-64604 size-full\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2019\/04\/mykinsta-cache-clear.png\" alt=\"MyKinsta\u3067\u3059\u3079\u3066\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\" width=\"2372\" height=\"1218\" srcset=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2019\/04\/mykinsta-cache-clear.png 2372w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2019\/04\/mykinsta-cache-clear-300x154.png 300w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2019\/04\/mykinsta-cache-clear-1024x526.png 1024w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2019\/04\/mykinsta-cache-clear-768x394.png 768w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2019\/04\/mykinsta-cache-clear-1536x789.png 1536w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2019\/04\/mykinsta-cache-clear-2048x1052.png 2048w\" sizes=\"auto, (max-width: 2372px) 100vw, 2372px\" \/><figcaption id=\"caption-attachment-64604\" class=\"wp-caption-text\">MyKinsta\u3067\u3059\u3079\u3066\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2<\/figcaption><\/figure>\n<p>\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3057\u305f\u3089\u3001\u5909\u66f4\u3092\u4fdd\u5b58\u3057\u307e\u3059\u3002\u6b21\u306b\u3001\u30b5\u30a4\u30c8\u306b\u518d\u3073\u30a2\u30af\u30bb\u30b9\u3057\u3066\u3001\u554f\u984c\u304c\u89e3\u6c7a\u3057\u305f\u304b\u3069\u3046\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002\u307e\u3060\u3001\u554f\u984c\u304c\u3042\u308b\u3088\u3046\u3067\u3042\u308c\u3070\u3001\u6b21\u306e\u65b9\u6cd5\u3078\u3068\u9032\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>4. \u30c7\u30d0\u30c3\u30b0\u30e2\u30fc\u30c9\u3092\u6709\u52b9\u306b\u3059\u308b<\/h3>\n<p>\u307e\u3060\u6b7b\u306e\u771f\u3063\u767d\u753b\u9762\u30a8\u30e9\u30fc\u304c\u89e3\u6c7a\u3057\u3066\u304a\u3089\u305a\u3001\u7ba1\u7406\u753b\u9762\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u5834\u5408\u3001\u7279\u5b9a\u3057\u305f\u539f\u56e0\u3092\u6df1\u304f\u6398\u308a\u4e0b\u3052\u305f\u3044\u5834\u5408\u306b\u306f\u3001<a href=\"https:\/\/kinsta.com\/blog\/wordpress-debug\/\">\u30c7\u30d0\u30c3\u30b0\u30e2\u30fc\u30c9<\/a>\u304c\u4fbf\u5229\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b5\u30a4\u30c8\u3067\u767a\u751f\u3057\u3066\u3044\u308b\u30a8\u30e9\u30fc\u3092\u8868\u793a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30c7\u30d0\u30c3\u30b0\u3092\u6709\u52b9\u306b\u3059\u308b\u306b\u306f\u3001WordPress\u306e<a href=\"https:\/\/kinsta.com\/jp\/blog\/wp-config-php\/\">wp-config.php\u30d5\u30a1\u30a4\u30eb<\/a>\u3092\u958b\u304d\u3001\u4ee5\u4e0b\u306e\u884c\u3092\u898b\u3064\u3051\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-php\">define( 'WP_DEBUG', false );<\/code><\/pre>\n<p>\u3053\u306e\u300cfalse\u300d\u3092\u300ctrue\u300d\u306b\u5909\u66f4\u3057\u3066\u304b\u3089\u3001\u30b5\u30a4\u30c8\u3092\u518d\u8aad\u307f\u8fbc\u307f\u3057\u307e\u3059\u3002\u3053\u306e\u30b3\u30fc\u30c9\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u5148\u982d\u306b\u8cbc\u308a\u4ed8\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u3059\u308b\u3068\u3001\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3068\u306a\u308b\u30d5\u30a1\u30a4\u30eb\u3092\u793a\u3059\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-php\">Cannot redeclare get_posts() (previously declared in \n\/var\/www\/html\/wordpress\/wp-includes\/post.php:1874) in \n\/var\/www\/html\/wordpress\/wp-content\/plugins\/my-test-plugin\/my-test-plugin.php on line 38<\/code><\/pre>\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u5f8c\u534a\u3067\u78ba\u8a8d\u3067\u304d\u308b\u3088\u3046\u306b\u3001my-test-plugin\u3068\u3044\u3046\u30d7\u30e9\u30b0\u30a4\u30f3\u306e38\u884c\u76ee\u306b\u554f\u984c\u304c\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3053\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u7121\u52b9\u306b\u3059\u308b\u3068\u30a8\u30e9\u30fc\u304c\u89e3\u6c7a\u3059\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>\u30c7\u30d0\u30c3\u30b0\u30e2\u30fc\u30c9\u3092\u6709\u52b9\u306b\u3057\u3066\u3082\u30a8\u30e9\u30fc\u306e\u4e2d\u8eab\u304c\u307e\u3063\u305f\u304f\u8868\u793a\u3055\u308c\u306a\u3044\u5834\u5408\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/kinsta-support\/\">\u3054\u5229\u7528\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u554f\u3044\u5408\u308f\u305b\u3066<\/a>\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u30b5\u30fc\u30d0\u30fc\u3067\u30c7\u30d0\u30c3\u30b0\u304c\u6b63\u3057\u304f\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Kinsta\u3067\u306f\u3001<a href=\"https:\/\/kinsta.com\/blog\/wordpress-debug\/#how-to-enable-wordpress-debug-mode-in-mykinsta\">\u7d44\u307f\u8fbc\u307f\u306e\u30c7\u30d0\u30c3\u30b0\u30c4\u30fc\u30eb<\/a>\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002MyKinsta\u306b\u30ed\u30b0\u30a4\u30f3\u5f8c\u3001\u300c<strong>WordPress\u30b5\u30a4\u30c8<\/strong>\u300d\uff1e\uff08<strong>\u30b5\u30a4\u30c8\u540d<\/strong>\uff09\uff1e\u300c<strong>\u30c4\u30fc\u30eb<\/strong>\u300d\u306b\u79fb\u52d5\u3057\u3001\u300c<strong>WordPress\u30c7\u30d0\u30c3\u30b0<\/strong>\u300d\u306e\u300c<strong>\u5229\u7528\u3059\u308b<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_60007\" aria-describedby=\"caption-attachment-60007\" style=\"width: 1325px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-60007 size-full\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/02\/tools-wp-debugging.png\" alt=\"MyKinsta\u3067WordPress\u30c7\u30d0\u30c3\u30b0\u30e2\u30fc\u30c9\u3092\u5229\u7528\" width=\"1325\" height=\"397\" srcset=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/02\/tools-wp-debugging.png 1325w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/02\/tools-wp-debugging-300x90.png 300w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/02\/tools-wp-debugging-1024x307.png 1024w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/02\/tools-wp-debugging-768x230.png 768w\" sizes=\"auto, (max-width: 1325px) 100vw, 1325px\" \/><figcaption id=\"caption-attachment-60007\" class=\"wp-caption-text\">MyKinsta\u3067WordPress\u30c7\u30d0\u30c3\u30b0\u30e2\u30fc\u30c9\u3092\u5229\u7528<\/figcaption><\/figure>\n<p>\u305d\u306e\u5f8c\u3001\u300c<strong>\u30ed\u30b0<\/strong>\u300d\u753b\u9762\u3067\u30a8\u30e9\u30fc\u30ed\u30b0\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u30a8\u30e9\u30fc\u306e\u8a73\u7d30\u60c5\u5831\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a\u3001\u30c7\u30d0\u30c3\u30b0\u30e2\u30fc\u30c9\u3092\u30aa\u30f3\u306b\u3059\u308b\u3068\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u60c5\u5831\u306e\u4e00\u90e8\u304c\u672a\u627f\u8a8d\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u516c\u958b\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30a8\u30e9\u30fc\u306e\u78ba\u8a8d\u304c\u7d42\u308f\u3063\u305f\u3089\u3001\u5fc5\u305a\u7121\u52b9\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<aside role=\"note\" class=\"wp-block-kinsta-notice is-style-info\">\n            <h3>Info<\/h3>\n        <p>MyKinsta\u306e\u6a5f\u80fd\u306b\u8208\u5473\u304c\u3042\u308a\u307e\u3057\u305f\u3089\u3001<a href=\"https:\/\/kinsta.com\/jp\/contact-us\/\">\u55b6\u696d\u90e8\u9580\u307e\u3067\u304a\u6c17\u8efd\u306b\u304a\u554f\u3044\u5408\u308f\u305b<\/a>\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/aside>\n\n<h3>5. \u30e1\u30e2\u30ea\u4e0a\u9650\u3092\u5897\u3084\u3059<\/h3>\n<p>\u3053\u3053\u307e\u3067\u306e\u89e3\u6c7a\u7b56\u3092\u8a66\u3057\u3066\u3082\u30a8\u30e9\u30fc\u304c\u89e3\u6c7a\u3057\u306a\u3044\u5834\u5408\u3001\u307e\u305f\u306f\u30e1\u30e2\u30ea\u5236\u9650\u3084\u30e1\u30e2\u30ea\u4e0d\u8db3\u306e\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u5834\u5408\u306b\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30e1\u30e2\u30ea\u4e0a\u9650\u3092\u5897\u3084\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u306f\u3001\u591a\u304f\u306eWordPress\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30c7\u30fc\u30bf\u306ewp-config.php\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u7528\u3057\u3066\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304d\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-php\">define('WP_MEMORY_LIMIT', '64M');<\/code><\/pre>\n<p>\u3053\u308c\u304c\u3046\u307e\u304f\u3044\u304b\u306a\u3044\u5834\u5408\u306f\u3001\u4ed6\u306e\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u3002\u901a\u5e38\u306e\u74b0\u5883\u3067\u306f\u3001.htaccess\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u7528\u3057\u3066<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-memory-limit\/\">\u30e1\u30e2\u30ea\u5236\u9650\u3092\u5897\u3084\u3059<\/a>\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u884c\u3092\u8ffd\u52a0\u3059\u308b\u3060\u3051\u3067OK\u3067\u3059\u3002<\/p>\n<pre><code class=\"language-php\">php_value memory_limit 64M<\/code><\/pre>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-htaccess-file\/\">htaccess\u30d5\u30a1\u30a4\u30eb<\/a>\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u5834\u5408\u306f\u3001php.ini\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30e1\u30e2\u30ea\u5236\u9650\u3092\u5897\u3084\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u3001FTP\u3092\u4f7f\u3063\u3066\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3057\u307e\u3059\u3002\u30b5\u30a4\u30c8\u306e\u30eb\u30fc\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3067<a href=\"https:\/\/kinsta.com\/jp\/blog\/increase-max-upload-size-wordpress\/#option-2--create-or-modify-phpini-files\">php.ini\u30d5\u30a1\u30a4\u30eb<\/a>\u3092\u63a2\u3057\u307e\u3059\u3002\u3053\u308c\u304c\u898b\u3064\u304b\u3063\u305f\u3089\u3001\u30d5\u30a1\u30a4\u30eb\u5185\u306e\u3069\u3053\u3067\u3082\u3044\u3044\u306e\u3067\u3001\u6b21\u306e\u884c\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre><code class=\"language-php\">memory_limit = 64M<\/code><\/pre>\n<p>\u3053\u308c\u3092\u884c\u306a\u3063\u3066\u3082\u3001\u30e1\u30e2\u30ea\u4e0d\u8db3\u304c\u898b\u3089\u308c\u308b\u5834\u5408\u306b\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5185\u306b\u554f\u984c\u304c\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3068\u3082\u3059\u308b\u3068\u3001\u4f55\u304b\u3057\u3089\u306e\u30c6\u30fc\u30de\u3084\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u904e\u5ea6\u306e\u91cf\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u307e\u3067\u6765\u308b\u3068\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/hire-wordpress-developer\/\">\u958b\u767a\u8005\u3092\u96c7\u3063\u3066<\/a>\u8abf\u67fb\u3057\u3066\u307f\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u30b5\u30fc\u30d0\u30fc\u4f1a\u793e\u306b\u983c\u3093\u3067\u3001\u3042\u306a\u305f\u306e\u30b5\u30a4\u30c8\u306eSQL\u30ed\u30b0\u3068\u4ed6\u306e\u30ea\u30bd\u30fc\u30b9\u306e\u30c7\u30fc\u30bf\u3092\u898b\u305b\u3066\u3082\u3089\u3046\u306e\u3082\u52b9\u679c\u7684\u3067\u3057\u3087\u3046\u3002<\/p>\n<aside role=\"note\" class=\"wp-block-kinsta-notice is-style-plain\">\n        <p>\u300cKinsta\u3092\u3054\u5229\u7528\u4e2d\u3067\u3042\u308c\u3070\u3001\u3059\u3079\u3066\u306e\u30d7\u30e9\u30f3\u3067\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30e1\u30e2\u30ea\u5236\u9650\u304c<strong>256 MB<\/strong>\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u30e1\u30e2\u30ea\u5236\u9650\u3092\u5897\u3084\u3059\u5fc5\u8981\u306f\u3054\u3056\u3044\u307e\u305b\u3093\u300d<\/p>\n<\/aside>\n\n<h3>6. \u30d5\u30a1\u30a4\u30eb\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u306b\u554f\u984c\u304c\u306a\u3044\u304b\u78ba\u8a8d\u3059\u308b<\/h3>\n<p>WSoD\u306e\u3082\u30461\u3064\u306e\u6f5c\u5728\u7684\u306a\u539f\u56e0\u306f\u3001\u6a29\u9650\u3068\u6240\u6709\u6a29\u306e\u554f\u984c\u3067\u3059\u3002\u3053\u306e\u554f\u984c\u306f\u81ea\u529b\u3067\u4fee\u6b63\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u5b9f\u969b\u306b\u64cd\u4f5c\u306e\u4e2d\u8eab\u3092\u7406\u89e3\u3057\u3066\u3044\u306a\u3044\u3068\u3001\u653b\u6483\u8005\u304c\u60aa\u7528\u3067\u304d\u308b<a href=\"https:\/\/kinsta.com\/jp\/docs\/service-information\/disclose-security-vulnerability\/\">\u8106\u5f31\u6027\u3092\u751f\u307f\u51fa\u3057\u3066<\/a>\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u81ea\u4fe1\u304c\u306a\u3051\u308c\u3070\u3001\u3084\u3081\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><a href=\"https:\/\/wordpress.org\/support\/article\/changing-file-permissions\/\">WordPress\u306e\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3<\/a>\u306b\u95a2\u3057\u3066\u306f\u30013\u3064\u306e\u7c21\u5358\u306a\u30eb\u30fc\u30eb\u306b\u5f93\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30d5\u30a1\u30a4\u30eb\u306f664\u307e\u305f\u306f644\u306b\u8a2d\u5b9a\u3059\u308b<\/li>\n<li>\u30d5\u30a9\u30eb\u30c0\u306f775\u307e\u305f\u306f755\u306b\u8a2d\u5b9a\u3059\u308b<\/li>\n<li>wp-config.php\u30d5\u30a1\u30a4\u30eb\u306f\u3001660\u3001600\u3001\u307e\u305f\u306f644\u306b\u8a2d\u5b9a\u3059\u308b<\/li>\n<\/ul>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/how-to-use-ssh\/\">\u30b5\u30fc\u30d0\u30fc\u306bSSH\u3067\u30a2\u30af\u30bb\u30b9<\/a>\u3067\u304d\u308b\u5834\u5408\u306f\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u9069\u5207\u306a\u30eb\u30fc\u30eb\u3092\u9069\u7528\u3057\u3001WordPress\u306e\u30eb\u30fc\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304b\u3089\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-bash\">sudo find . -type f -exec chmod 664 {} +\nsudo find . -type d -exec chmod 775 {} +\nsudo chmod 660 wp-config.php<\/code><\/pre>\n<p>\u3053\u308c\u3092\u884c\u3046\u65b9\u6cd5\u304c\u308f\u304b\u3089\u306a\u3044\u5834\u5408\u3084\u3001\u4e0d\u5b89\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u30a6\u30a7\u30d6\u30db\u30b9\u30c8\u306b\u52a9\u3051\u3092\u6c42\u3081\u308b\u306e\u304c\u8ce2\u660e\u3067\u3059\u3002<\/p>\n<h3>7. \u81ea\u52d5\u66f4\u65b0\u306e\u5931\u6557\u304c\u306a\u3044\u304b\u78ba\u8a8d\u3059\u308b<\/h3>\n<p>\u30b5\u30fc\u30d0\u30fc\u304c\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3057\u305f\u5834\u5408\u306a\u3069\u3001 <a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-updating-failed\/\">WordPress\u3067\u66f4\u65b0\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u304c\u767a\u751f<\/a>\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u591a\u304f\u306e\u5834\u5408\u3001\u3053\u306e\u554f\u984c\u306f\u81ea\u52d5\u7684\u306b\u89e3\u6c7a\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u6b7b\u306e\u771f\u3063\u767d\u753b\u9762\u30a8\u30e9\u30fc\u304c\u8d77\u3053\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u306f\u3001WordPress\u306e\u30eb\u30fc\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u79fb\u52d5\u3057\u3001\u305d\u3053\u306b.maintenance\u30d5\u30a1\u30a4\u30eb\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\uff08\u30d5\u30a1\u30a4\u30eb\u306e\u540d\u524d\u304c\u77ed\u7e2e\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3082\u3042\u308a\uff09\u3002<\/p>\n<p>\u305d\u3057\u3066\u3001\u305d\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u524a\u9664\u3057\u3066\u3001\u30b5\u30a4\u30c8\u3092\u518d\u3073\u8aad\u307f\u8fbc\u3093\u3067\u307f\u307e\u3059\u3002<\/p>\n<p>\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u304c\u6210\u529f\u3057\u305f\u3082\u306e\u306e<a href=\"https:\/\/kinsta.com\/jp\/blog\/briefly-unavailable-for-scheduled-maintenance\/#howtofix\">WordPress\u306b\u3088\u308a\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u81ea\u52d5\u7684\u306b\u524a\u9664\u3067\u304d\u3066\u3044\u306a\u304b\u3063\u305f<\/a>\u3053\u3068\u304c\u539f\u56e0\u3067\u3042\u308c\u3070\u3001\u3053\u308c\u3067\u3059\u3079\u3066\u304c\u6b63\u5e38\u306b\u6a5f\u80fd\u3059\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<p>\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u304c\u5b8c\u4e86\u3057\u3066\u3044\u306a\u304b\u3063\u305f\u5834\u5408\u306b\u306f\u3001\u81ea\u52d5\u7684\u306b\u518d\u8d77\u52d5\u3057\u3001\u305d\u306e\u5834\u5408\u306b\u3082\u6b63\u5e38\u306b\u6a5f\u80fd\u3059\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u65b9\u6cd5\u3059\u3079\u3066\u304c\u5931\u6557\u3057\u305f\u5834\u5408\u306f\u3001<a href=\"https:\/\/kinsta.com\/blog\/reinstall-wordpress\/\">WordPress\u3067\u63a8\u5968\u3055\u308c\u3066\u3044\u308b\u624b\u52d5\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8<\/a>\u306e\u624b\u9806\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u554f\u984c\u304c\u89e3\u6c7a\u3059\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<h3>8. \u69cb\u6587\u30a8\u30e9\u30fc\u3092\u4fee\u6b63\u3001\u307e\u305f\u306f\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30c7\u30fc\u30bf\u304b\u3089\u5fa9\u5143\u3059\u308b<\/h3>\n<p>WordPress WSoD\u306e\u3082\u30461\u3064\u306e\u4e00\u822c\u7684\u306a\u539f\u56e0\u306f\u3001 <a href=\"https:\/\/kinsta.com\/jp\/blog\/edit-wordpress-code\/\">WordPress\u30b5\u30a4\u30c8\u3067\u30b3\u30fc\u30c9\u3092\u7de8\u96c6<\/a>\u3057\u3066\u3044\u308b\u3068\u304d\u306b\u3001\u8aa4\u3063\u3066\u4f55\u304b\u3092\u5165\u529b\u3057\u305f\u308a\u3001\u69cb\u6587\u3092\u9593\u9055\u3048\u305f\u308a\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u9593\u9055\u3063\u305f\u5834\u6240\u306b1\u6587\u5b57\u5165\u529b\u3057\u3066\u3057\u307e\u3046\u3060\u3051\u3067\u3001\u30b5\u30a4\u30c8\u5168\u4f53\u304c\u30c0\u30a6\u30f3\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/staging-environment\/\">\u672c\u756a\u30b5\u30a4\u30c8\u3067\u306e\u30b3\u30fc\u30c9\u7de8\u96c6\u306f\u7d76\u5bfe\u306b\u907f\u3051\u3066<\/a>\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u3067\u3082\u5fc3\u914d\u306f\u3044\u308a\u307e\u305b\u3093\u3002FTP\u3092\u4f7f\u3063\u3066\u30b5\u30a4\u30c8\u306b\u63a5\u7d9a\u3057\u3001\u624b\u52d5\u3067\u52a0\u3048\u305f\u5909\u66f4\u3092\u5143\u306b\u623b\u3059\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u554f\u984c\u306e\u539f\u56e0\u3068\u306a\u3063\u305f\u5909\u66f4\u70b9\u3092\u7279\u5b9a\u3067\u304d\u306a\u3044\u5834\u5408\u306b\u5099\u3048\u3066\u3001<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/wordpress-backups\/#wordpress-backup\">WordPress\u30b5\u30a4\u30c8\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u53d6\u3063\u3066<\/a>\u304a\u304f\u306e\u304c\u304a\u52e7\u3081\u3067\u3059\u3002<\/p>\n<p>Kinsta\u3092\u4f7f\u3048\u3070\u3001\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u3067<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/wordpress-backups\/#restoring-backups\">\u30b5\u30a4\u30c8\u3092\u4ee5\u524d\u306e\u72b6\u614b\u306b\u5fa9\u5143<\/a>\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u3001MyKinsta\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u3001\u300c<strong>WordPress\u30b5\u30a4\u30c8<\/strong>\u300d\uff1e\uff08<strong>\u30b5\u30a4\u30c8\u540d<\/strong>\uff09\uff1e\u300c<strong>\u30d0\u30c3\u30af\u30a2\u30c3\u30d7<\/strong>\u300d\u3078\u3068\u79fb\u52d5\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_60645\" aria-describedby=\"caption-attachment-60645\" style=\"width: 1415px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-60645 size-full\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/06\/daily-backup-restore.png\" alt=\"MyKinsta\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u6a5f\u80fd\" width=\"1415\" height=\"617\" srcset=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/06\/daily-backup-restore.png 1415w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/06\/daily-backup-restore-300x131.png 300w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/06\/daily-backup-restore-1024x447.png 1024w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/06\/daily-backup-restore-768x335.png 768w\" sizes=\"auto, (max-width: 1415px) 100vw, 1415px\" \/><figcaption id=\"caption-attachment-60645\" class=\"wp-caption-text\">MyKinsta\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u6a5f\u80fd<\/figcaption><\/figure>\n<p>\u65e2\u306b<a href=\"https:\/\/kinsta.com\/blog\/wordpress-debug\/#how-to-enable-wordpress-debug-mode\">WordPress\u3067\u30c7\u30d0\u30c3\u30b0\u30e2\u30fc\u30c9\u3092\u6709\u52b9\u306b<\/a>\u3057\u3066\u3044\u308b\u306e\u3067\u3042\u308c\u3070\u3001\u69cb\u6587\u89e3\u6790\u30a8\u30e9\u30fc\u3092\u793a\u3059\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u306f\u305a\u3067\u3059\u3002\u3053\u308c\u3092\u78ba\u8a8d\u3057\u3066\u3001\u554f\u984c\u306e\u3042\u308b\u30b3\u30fc\u30c9\u306e\u5834\u6240\u3092\u6b63\u78ba\u306b\u628a\u63e1\u3059\u308b\u306e\u3082\u624b\u3067\u3059\u3002<\/p>\n<h3>9. PHP\u30c6\u30ad\u30b9\u30c8\u51e6\u7406\u6a5f\u80fd\u3092\u5411\u4e0a\u3055\u305b\u308b<\/h3>\n<p>\u305d\u308c\u3067\u3082\u307e\u3060WSoD\u304c\u89e3\u6c7a\u3067\u304d\u306a\u3044\u3088\u3046\u3067\u3042\u308c\u3070\u3001\u3082\u30461\u3064\u306e\u624b\u6bb5\u304c\u8a66\u305b\u307e\u3059\u3002\u307e\u308c\u306b\u3001\u3053\u306e\u554f\u984c\u306e\u539f\u56e0\u304c\u3001\u30da\u30fc\u30b8\u3084\u6295\u7a3f\u306e\u9577\u3055\u3067\u3042\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30d0\u30c3\u30af\u30c8\u30e9\u30c3\u30af\u3068\u518d\u5e30\u306e\u5236\u9650\u3092\u5f15\u304d\u4e0a\u3052\u3066\u3001\u30b5\u30a4\u30c8\u306ePHP\u30c6\u30ad\u30b9\u30c8\u51e6\u7406\u6a5f\u80fd\u3092\u8abf\u6574\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u3092<strong>wp-config.php<\/strong>\u30d5\u30a1\u30a4\u30eb\u5185\u306b\u8cbc\u308a\u4ed8\u3051\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-php\">\/* Trick for long posts \/\nini_set('pcre.recursion_limit',20000000);\nini_set('pcre.backtrack_limit',10000000);<\/code><\/pre>\n<p>\u3053\u306e\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u4fdd\u5b58\u3057\u307e\u3059\u3002\u6b21\u306b\u3001\u30b5\u30a4\u30c8\u3092\u518d\u8aad\u307f\u8fbc\u307f\u3057\u3066\u3001\u7121\u4e8b\u306b\u6a5f\u80fd\u3059\u308b\u304b\u3069\u3046\u304b\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>WordPress\u306e\u6b7b\u306e\u771f\u3063\u767d\u753b\u9762\u30a8\u30e9\u30fc\u306f\u3001\u89e3\u6c7a\u306e\u624b\u304c\u304b\u308a\u3068\u306a\u308b\u60c5\u5831\u304c\u63d0\u4f9b\u3055\u308c\u306a\u3044\u305f\u3081\u3001\u9014\u65b9\u306b\u66ae\u308c\u3066\u3057\u307e\u3046\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u8003\u3048\u3089\u308c\u308b\u539f\u56e0\u306f\u591a\u6570\u3042\u308a\u307e\u3059\u304c\u3001\u4eca\u56de\u306e\u8a18\u4e8b\u3092\u30d6\u30c3\u30af\u30de\u30fc\u30af\u3057\u3066\u304a\u3051\u3070\u3001\u767a\u751f\u6642\u306b\u7d20\u65e9\u304f\u30b5\u30a4\u30c8\u3092\u5fa9\u65e7\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30d7\u30e9\u30b0\u30a4\u30f3\u307e\u305f\u306f\u30c6\u30fc\u30de\u306e\u554f\u984c\uff08\u3042\u308b\u3044\u306f\u4e21\u65b9\uff09\u3092\u7279\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u591a\u304f\u306e\u5834\u5408\u306f\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3001<a href=\"https:\/\/kinsta.com\/blog\/wordpress-debug\/#what-does-wp-debug-do\">WordPress\u30c7\u30d0\u30c3\u30b0\u30e2\u30fc\u30c9<\/a>\u3092\u4f7f\u3063\u3066\u30a8\u30e9\u30fc\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u6398\u308a\u4e0b\u3052\u308b\u306e\u3082\u6709\u7528\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Have you ever installed a plugin or changed an option which resulted in the so called &#8220;WordPress White Screen Of Death&#8221;? No content, no admin, no way to fix things? If you&#8217;ve ever experienced the frustration of being completely powerless, this article is for you.<\/p>\n","protected":false},"author":18,"featured_media":29305,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kinsta_gated_content":false,"_kinsta_gated_content_redirect":"","footnotes":""},"tags":[36,72],"topic":[830,821],"class_list":["post-23010","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","tag-wordpress","tag-wsod","topic-wordpress-issues","topic-website-errors"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.6 (Yoast SEO v24.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u30109\u7a2e\u985e\u3011WordPress\u306e\u6b7b\u306e\u771f\u3063\u767d\u753b\u9762\uff08WSoD\uff09\u89e3\u6c7a\u7b56<\/title>\n<meta name=\"description\" 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