{"id":21103,"date":"2020-11-19T18:51:07","date_gmt":"2020-11-19T09:51:07","guid":{"rendered":"https:\/\/webst8.com\/blog\/?p=21103"},"modified":"2025-09-27T19:51:40","modified_gmt":"2025-09-27T10:51:40","slug":"wordpress-wp-downgrade","status":"publish","type":"post","link":"https:\/\/webst8.com\/blog\/wordpress-wp-downgrade\/","title":{"rendered":"\u30102\u3064\u306e\u65b9\u6cd5\u3011WordPress\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u30fb\u30d0\u30fc\u30b8\u30e7\u30f3\u30c0\u30a6\u30f3\u65b9\u6cd5"},"content":{"rendered":"<p>\u25a0WordPress\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u30fb\u30d0\u30fc\u30b8\u30e7\u30f3\u30c0\u30a6\u30f3\u65b9\u6cd5(\u52d5\u753b\u89e3\u8aac)<br \/>\n<iframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/GOxa8L8TxB8?rel=0\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><br \/>\n&nbsp;<\/p>\n<p>WordPress\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u3042\u3052\u305f\u3089\u3001\u5909\u306a\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u304c\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u308a\u3001\u4eca\u307e\u3067\u52d5\u3044\u3066\u3044\u305f\u6a5f\u80fd\u304c\u52d5\u304b\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3044\u3001\u56f0\u3063\u3066\u3044\u308b\u4eba\u3082\u3044\u308b\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u9762\u3092\u8003\u3048\u308b\u3068\u3001WordPress\u306f\u901a\u77e5\u304c\u6765\u305f\u3089\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3059\u308b\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u4f55\u3089\u304b\u306e\u4e0d\u5177\u5408\u304c\u767a\u751f\u3057\u3066\u3001\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3057\u305f\u3051\u3069\u3068\u308a\u3042\u3048\u305a\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u623b\u3057\u305f\u3044\u3068\u601d\u3046\u3053\u3068\u3082\u3042\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u3053\u3053\u3067\u306f\u3001<strong>\u300cWP Downgrade\u300d\u3068\u3044\u3046\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u5229\u7528\u3057\u3066WordPress\u3092\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u65b9\u6cd5\u3068\u3001\u30aa\u30fc\u30bd\u30c9\u30c3\u30af\u30b9\u306aFTP\u3092\u5229\u7528\u3057\u3066\u53e4\u3044WordPress\u306b\u30d0\u30fc\u30b8\u30e7\u30f3\u30c0\u30a6\u30f3\u3059\u308b<\/strong>\u3068\u3044\u3046\u30012\u3064\u306e\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<br \/>\n&nbsp;<\/p>\n<div class=\"webst-sns-follow-container\">\n<div class=\"webst-sns-follow-title\">SNS\u30d5\u30a9\u30ed\u30fc\u3088\u308d\u3057\u304f\u304a\u9858\u3044\u3057\u307e\u3059\uff01<br \/>\n<br \/><span style=\"font-size:11px\">\u65b0\u3057\u3044\u30b3\u30f3\u30c6\u30f3\u30c4\u3084\u3001\u3088\u308a\u8a73\u7d30\u306a\u89e3\u8aac\u3092\u52d5\u753b\u3084\u30b7\u30e7\u30fc\u30c8\u52d5\u753b\u3067\u304a\u5c4a\u3051\u3057\u3066\u3044\u307e\u3059\u3002\u65e5\u3005\u306e\u60c5\u5831\u53ce\u96c6\u306b\u304a\u5f79\u7acb\u3066\u304f\u3060\u3055\u3044\u3002<\/span><\/div>\n<div class=\"webst-sns-follow-row\">\n<a href=\"https:\/\/www.youtube.com\/@webst8356\" class=\"webst-sns-button webst-sns-youtube\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2025\/09\/sns-logo-youtube.png\" alt=\"\" width=\"737\" height=\"289\" class=\"alignnone size-full wp-image-70744\" \/><\/a>\n<\/div>\n<p><!-- \n\n<div class=\"webst-sns-follow-row\">\n<a href=\"https:\/\/www.instagram.com\/webst8_com\" class=\"webst-sns-button webst-sns-instagram\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2025\/09\/sns-logo-instagram.png\" alt=\"\" width=\"250\" height=\"315\" class=\"alignnone size-full wp-image-70741\" \/><\/a>\n<a href=\"https:\/\/www.tiktok.com\/@webst8_com\" class=\"webst-sns-button webst-sns-tiktok\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2025\/09\/sns-logo-tiktok.png\" alt=\"\" width=\"214\" height=\"305\" class=\"alignnone size-full wp-image-70742\" \/><\/a>\n<a href=\"https:\/\/x.com\/mattsunkei\" class=\"webst-sns-button webst-sns-twitter-x\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2025\/09\/sns-logo-x.png\" alt=\"\" width=\"219\" height=\"301\" class=\"alignnone size-full wp-image-70743\" \/><\/a>\n<\/div>\n\n -->\n<\/div>\n\n\n<p>&nbsp;<\/p>\n<div class=\"box-frame accent\">\n<div class=\"box-title\">WordPress\u3092\u30d0\u30fc\u30b8\u30e7\u30f3\u30c0\u30a6\u30f3\u3059\u308b\u4e0a\u3067\u306e\u6ce8\u610f\u4e8b\u9805<\/div>\n<p>\u4eca\u56de\u3054\u7d39\u4ecb\u3059\u308bWordPress\u306e\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u306e\u305f\u3081\u306e\u30d5\u30a1\u30a4\u30eb\u5dee\u3057\u66ff\u3048\u3084\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u8a2d\u5b9a\u306f\u3001\u3054\u5229\u7528\u306e\u74b0\u5883\u306b\u3088\u3063\u3066\u306f\u4e0d\u5177\u5408\u304c\u8d77\u3053\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u672c\u624b\u9806\u306f\u7279\u5b9a\u306e\u74b0\u5883\u4e0b\u3067\u306e\u4f5c\u696d\u624b\u9806\u3092\u8aac\u660e\u3057\u305f\u3082\u306e\u3067\u3042\u308a\u3001\u3054\u5229\u7528\u306e\u74b0\u5883\u3067\u306f\u305d\u306e\u4ed6\u306e\u4f5c\u696d\u304c\u5fc5\u8981\u306a\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u305f\u3081\u3001<span class=\"hutoaka\">\u672c\u756a\u74b0\u5883\u3067\u306f\u7279\u306b\u6c17\u3092\u3064\u3051\u3066\u3044\u305f\u3060\u304d\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u53d6\u3063\u305f\u4e0a\u81ea\u5df1\u8cac\u4efb\u3067\u5b9f\u65bd\u3092\u304a\u9858\u3044\u3044\u305f\u3057\u307e\u3059\u3002\n<\/div>\n<p>&nbsp;<\/p>\n<h2>\u3010\u306f\u3058\u3081\u306b\u3011WordPress\u3092\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3059\u308b2\u3064\u306e\u65b9\u6cd5<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-downgrade-explanation.png\" alt=\"WordPress\u306e\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u65b9\u6cd5\" width=\"1200\" height=\"688\" class=\"alignnone size-full wp-image-28002\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-downgrade-explanation.png 1200w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-downgrade-explanation-300x172.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-downgrade-explanation-1024x587.png 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-downgrade-explanation-768x440.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><br \/>\n&nbsp;<\/p>\n<p>WordPress\u3092\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u5927\u304d\u304f\u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u65b9\u6cd5\u3068FTP\u3067\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u3066\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3059\u308b2\u3064\u306e\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u305e\u308c\u306e\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8\u306f\u4e0b\u8a18\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<th style=\"width:28%\"><\/th>\n<th style=\"width:36%\">\u30e1\u30ea\u30c3\u30c8<\/th>\n<th style=\"width:36%\">\u30c7\u30e1\u30ea\u30c3\u30c8<\/th>\n<\/thead>\n<tbody>\n<tr>\n<th>\u3010\u65b9\u6cd51\u3011\u30d7\u30e9\u30b0\u30a4\u30f3(WP Downgrade)\u3092\u5229\u7528\u3057\u3066\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9<\/th>\n<td>\n<ul class=\"check-maru\">\n<li>FTP\u306e\u77e5\u8b58\u306a\u3069\u306a\u304f\u3066\u3082\u521d\u5fc3\u8005\u3067\u3082\u7c21\u5358\u306b\u5b9f\u65bd\u3067\u304d\u308b<\/li>\n<\/ul>\n<\/td>\n<td>\n<ul class=\"check-batsu\">\n<li>\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u76f8\u6027\u554f\u984c\u306a\u3069100%\u4e0a\u624b\u304f\u3044\u304f\u308f\u3051\u3067\u306f\u306a\u3044<\/li>\n<li>\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u4e00\u3064\u5897\u3048\u308b<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<th>\u3010\u65b9\u6cd52\u3011FTP\u3067\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u3057\u3066\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9<\/th>\n<td>\n<ul class=\"check-maru\">\n<li>\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u5897\u3084\u3055\u306a\u304f\u3066\u826f\u3044<\/li>\n<li>\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u76f8\u6027\u554f\u984c\u306a\u3069\u8003\u3048\u306a\u304f\u3066\u826f\u3044<\/li>\n<\/ul>\n<\/td>\n<td>\n<ul class=\"check-batsu\">\n<li>FTP\u3067\u30a2\u30af\u30bb\u30b9\u3057\u3066\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u77e5\u8b58\u304c\u5fc5\u8981\u306a\u305f\u3081<br \/>\n\u521d\u5fc3\u8005\u306b\u3068\u3063\u3066\u5c11\u3057\u96e3\u3057\u3044<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>FTP\u306e\u64cd\u4f5c\u304c\u3067\u304d\u308b\u65b9\u306b\u3068\u3063\u3066\u306fFTP\u3067\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u305f\u307b\u3046\u304c\u78ba\u5b9f\u3068\u611f\u3058\u308b\u65b9\u3082\u3044\u308b\u3068\u601d\u3044\u307e\u3059\u3057\u3001FTP\u306e\u64cd\u4f5c\u304c\u308f\u304b\u3089\u306a\u3044\u30fb\u6016\u3044\u65b9\u306fWP Downgrade\u306a\u3069\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u5229\u7528\u3057\u3066\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3057\u305f\u307b\u3046\u304c\u78ba\u5b9f\u306a\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u304b\u3089\u306f\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u65b9\u6cd5\u3068\u3001FTP\u3092\u5229\u7528\u3057\u3066\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3059\u308b2\u3064\u306e\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u3066\u3044\u304d\u307e\u3059\u3002<br \/>\n&nbsp;<\/p>\n<h2>\u3010\u65b9\u6cd51\u3011\u30d7\u30e9\u30b0\u30a4\u30f3WP Downgrade\u3067\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3059\u308b<\/h2>\n<h3>WP Downgrade\u3068\u306f<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-specific-core-version.png\" alt=\"WP Downgrade Specific Version\" width=\"1200\" height=\"683\" class=\"alignnone size-full wp-image-21129\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-specific-core-version.png 1200w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-specific-core-version-300x171.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-specific-core-version-1024x583.png 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-specific-core-version-768x437.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><br \/>\n&nbsp;<\/p>\n<p>WP Downgrade\u306f\u3001WordPress\u3092\u3054\u81ea\u8eab\u306e\u597d\u304d\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u3059\u3002<br \/>\n&nbsp;<\/p>\n<blockquote><p>EN\uff1a\u30d7\u30e9\u30b0\u30a4\u30f3\u300cWP\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u300d\u306f\u3001WordPress\u66f4\u65b0\u30eb\u30fc\u30c1\u30f3\u306b\u6307\u5b9a\u3055\u308c\u305fWordPress\u30ea\u30ea\u30fc\u30b9\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u5b9f\u884c\u3059\u308b\u3088\u3046\u306b\u5f37\u5236\u3057\u307e\u3059\u3002\u6307\u5b9a\u3057\u305f\u30b3\u30a2\u30ea\u30ea\u30fc\u30b9\u306f\u3001wordpress.org\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u3001\u901a\u5e38\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3068\u540c\u69d8\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u307e\u3059\u3002\u9078\u629e\u3057\u305f\u4ee5\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u6c38\u7d9a\u7684\u306b\u3068\u3069\u307e\u308b\u304b\u3001\u9078\u629e\u3057\u305f\u66f4\u65b0\u3092\u66f4\u65b0\u3067\u304d\u307e\u3059\u3002<br \/>\n<a href=\"https:\/\/ja.wordpress.org\/plugins\/wp-downgrade\/#description\" rel=\"noopener noreferrer\" target=\"_blank\">WP Downgrade | Specific Core Version | WordPress.org\u65e5\u672c\u8a9e\u7248<\/a>\u3088\u308a\u7ffb\u8a33\u3092\u304b\u3051\u3066\u5f15\u7528\n<\/p><\/blockquote>\n<p>&nbsp;<\/p>\n<p>FTP\u3067\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u5dee\u3057\u66ff\u3048\u308b\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u6280\u8853\u7684\u306a\u3053\u3068\u304c\u308f\u304b\u3089\u306a\u3044\u4eba\u306b\u306f\u96e3\u3057\u3044\u306e\u304c\u96e3\u70b9\u3067\u3059\u3002<br \/>\n&nbsp;<\/p>\n<p>\u300cWP Downgrade\u300d\u3092\u5229\u7528\u3059\u308b\u3068\u7ba1\u7406\u753b\u9762\u304b\u3089\u7c21\u5358\u306bWordPress\u3092\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3067\u304d\u308b\u306e\u3067\u3001\u3044\u3056\u3068\u3044\u3046\u3068\u304d\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n&nbsp;<\/p>\n<div class=\"sb-type-drop\">\n\t<div class=\"sb-subtype-a\">\n\t\t<div class=\"sb-speaker\">\n\t\t\t<div class=\"sb-icon\">\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/plugins\/speech-bubble\/img\/girl-standard.jpg\" class=\"sb-icon\">\n\t\t\t<\/div>\n\t\t\t<div class=\"sb-name\"><\/div>\n\t\t<\/div>\n\t\t<div class=\"sb-content\">\n\t\t\t<div class=\"sb-speech-bubble\">\u3061\u3083\u3093\u3068\u30d7\u30e9\u30b0\u30a4\u30f3\u3082\u66f4\u65b0\u3055\u308c\u3066\u3044\u307e\u3059\u3057\u3001\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u6570\u3084\u30ec\u30d3\u30e5\u30fc\u306e\u8a55\u4fa1\u3082\u826f\u3044\u306e\u3067\u5b89\u5fc3\u3067\u3059\u306d\u3002<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n<p><div class=\"sb-type-drop\">\n\t<div class=\"sb-subtype-b\">\n\t\t<div class=\"sb-speaker\">\n\t\t\t<div class=\"sb-icon\">\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/plugins\/speech-bubble\/img\/keisuke.jpg\" class=\"sb-icon\">\n\t\t\t<\/div>\n\t\t\t<div class=\"sb-name\"><\/div>\n\t\t<\/div>\n\t\t<div class=\"sb-content\">\n\t\t\t<div class=\"sb-speech-bubble\">\u3053\u3053\u304b\u3089\u306f\u3001WP Downgrade\u306e\u5c0e\u5165\u65b9\u6cd5\u30fb\u4f7f\u3044\u65b9\u3092\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u306d\u3002<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/div><br \/>\n&nbsp;<br \/>\n&nbsp;<\/p>\n<h3>WP Downgrade\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30fb\u6709\u52b9\u5316\u3059\u308b<\/h3>\n<p>\u307e\u305a\u306f\u3001WP Downgrade\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30fb\u6709\u52b9\u5316\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<br \/>\n&nbsp;<\/p>\n<p>WordPress\u306e\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u304b\u3089\u30d7\u30e9\u30b0\u30a4\u30f3\uff1e\u65b0\u898f\u8ffd\u52a0\u3068\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2017\/07\/plugin-add.png\" alt=\"\u7ba1\u7406\u753b\u9762\uff1e\u30d7\u30e9\u30b0\u30a4\u30f3\uff1e\u65b0\u898f\u8ffd\u52a0\" width=\"368\" height=\"275\" class=\"alignnone size-full wp-image-3976\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2017\/07\/plugin-add.png 368w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2017\/07\/plugin-add-300x224.png 300w\" sizes=\"(max-width: 368px) 100vw, 368px\" \/><br \/>\n&nbsp;<\/p>\n<p>\u300cWP Downgrade\u300d\u3067\u691c\u7d22\u3057\u3066\u300c\u4eca\u3059\u3050\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-1.png\" alt=\"WP Downgrade\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\" width=\"1220\" height=\"534\" class=\"alignnone size-full wp-image-21106\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-1.png 1220w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-1-300x131.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-1-1024x448.png 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-1-768x336.png 768w\" sizes=\"(max-width: 1220px) 100vw, 1220px\" \/><br \/>\n&nbsp;<\/p>\n<p>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u5b8c\u4e86\u3057\u305f\u3089\u6709\u52b9\u5316\u3057\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-1a.png\" alt=\"WP Downgrade\u306e\u6709\u52b9\u5316\" width=\"600\" height=\"349\" class=\"alignnone size-full wp-image-21115\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-1a.png 600w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-1a-300x175.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><br \/>\n&nbsp;<\/p>\n<p>\u4ee5\u4e0a\u3067\u3001WP Downgrade\u306e\u5c0e\u5165\u306f\u5b8c\u4e86\u3067\u3059\u3002\u6b21\u306bWP Downgrade\u306e\u8a2d\u5b9a\u3092\u3057\u3066\u3044\u304d\u307e\u3059\u3002<br \/>\n&nbsp;<br \/>\n&nbsp;<\/p>\n<h3>WP Downgrade\u3067WordPress\u3092\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u65b9\u6cd5<\/h3>\n<p>\u3053\u3053\u304b\u3089\u306f\u3001WP Downgrade\u3067WordPress\u3092\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u8a2d\u5b9a\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u3066\u3044\u304d\u307e\u3059\u3002<br \/>\n&nbsp;<\/p>\n<p>\u7ba1\u7406\u753b\u9762\u304b\u3089\u3001\u8a2d\u5b9a\uff1eWP Downgrade\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-2.png\" alt=\"\u8a2d\u5b9a\uff1eWP Downgrade\" width=\"1221\" height=\"829\" class=\"alignnone size-full wp-image-21107\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-2.png 1221w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-2-300x204.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-2-1024x695.png 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-2-768x521.png 768w\" sizes=\"(max-width: 1221px) 100vw, 1221px\" \/><br \/>\n&nbsp;<\/p>\n<p>WP Downgrade\u306e\u8a2d\u5b9a\u753b\u9762\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3057\u305f\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5165\u529b\u3057\u3066\u300c\u5909\u66f4\u3092\u4fdd\u5b58\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-3-1.png\" alt=\"WP Downgrade\u3067\u623b\u3057\u305f\u3044Wordpress\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u6307\u5b9a\" width=\"1200\" height=\"643\" class=\"alignnone size-full wp-image-21116\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-3-1.png 1200w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-3-1-300x161.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-3-1-1024x549.png 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-3-1-768x412.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><br \/>\n&nbsp;<\/p>\n<div class=\"list-frame\">\n<p class=\"list-frame-p\">\u5b58\u5728\u3057\u306a\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5165\u529b\u3057\u3066\u4fdd\u5b58\u3059\u308b\u3068\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059<\/p>\n<p>\u306a\u304a\u3001\u5b58\u5728\u3057\u306a\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5165\u529b\u3057\u3066\u4fdd\u5b58\u3059\u308b\u3068\u3001\u30da\u30fc\u30b8\u4e0b\u90e8\u306b\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<br \/>\n\u305d\u306e\u5834\u5408\u306f\u6b63\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5165\u529b\u3057\u76f4\u3057\u3066\u518d\u5ea6\u4fdd\u5b58\u3057\u3066\u3084\u308a\u76f4\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-failer.png\" alt=\"\u5b58\u5728\u3057\u306a\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5165\u529b\u3059\u308b\u3068\u30da\u30fc\u30b8\u4e0b\u90e8\u306b\u30a8\u30e9\u301c\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\" width=\"2134\" height=\"976\" class=\"alignnone size-full wp-image-21133\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-failer.png 2134w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-failer-300x137.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-failer-1024x468.png 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-failer-768x351.png 768w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-failer-1536x703.png 1536w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-failer-2048x937.png 2048w\" sizes=\"(max-width: 2134px) 100vw, 2134px\" \/>\n<\/div>\n<p>&nbsp;<\/p>\n<p>\u540c\u753b\u9762\u3067\u3001\u300cUp-Downgrade Core\u300d\u3068\u3044\u3046\u30dc\u30bf\u30f3\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u300cUp-Downgrade Core\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u3001\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u30bb\u30c3\u30c8\u3057\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-4-1.png\" alt=\"WordPress\u306e\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3092\u5b9f\u884c\" width=\"1200\" height=\"807\" class=\"alignnone size-full wp-image-21117\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-4-1.png 1200w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-4-1-300x202.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-4-1-1024x689.png 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-4-1-768x516.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><br \/>\n&nbsp;<\/p>\n<p>WordPress\u306e\u66f4\u65b0\u753b\u9762\u306b\u9077\u79fb\u3059\u308b\u306e\u3067\u3001\u300c\u518d\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3057\u307e\u3059\u3002(\u753b\u9762\u304c\u9077\u79fb\u3057\u306a\u3044\u5834\u5408\u306f\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\uff1e\u66f4\u65b0\u3067\u66f4\u65b0\u753b\u9762\u306b\u79fb\u52d5\u3057\u307e\u3057\u3087\u3046\u3002)<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-5-1.png\" alt=\"\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\" width=\"1200\" height=\"514\" class=\"alignnone size-full wp-image-21118\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-5-1.png 1200w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-5-1-300x129.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-5-1-1024x439.png 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-5-1-768x329.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><br \/>\n\u203b\u66f4\u65b0\u5f8c\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u66f4\u65b0\u753b\u9762\u304c\u51fa\u308b\u5834\u5408\u306f\u3001\u300cWordPress\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u66f4\u65b0\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\n&nbsp;<\/p>\n<p>\u66f4\u65b0\u5b8c\u4e86\u3057\u3066\u4e0b\u8a18\u306e\u3088\u3046\u306a\u753b\u9762(WordPress\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u3088\u3063\u3066\u6587\u8a00\u306f\u7570\u306a\u308b)\u304c\u8868\u793a\u3055\u308c\u305f\u3089\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u304c\u5b8c\u4e86\u3067\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-6.png\" alt=\"WordPress \u304c5.4.1\u306b\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3055\u308c\u307e\u3057\u305f\" width=\"1200\" height=\"655\" class=\"alignnone size-full wp-image-21119\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-6.png 1200w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-6-300x164.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-6-1024x559.png 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-6-768x419.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><br \/>\n&nbsp;<\/p>\n<div class=\"box-frame accent\">\n<div class=\"box-title\">(\u6ce8\u610f)WordPress\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4e0b\u3052\u3059\u304e\u3066\u52d5\u304b\u306a\u304f\u306a\u3063\u305f\u3068\u304d\u306e\u5bfe\u51e6\u6cd5<\/div>\n<p>WordPress\u3092\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u306e\u969b\u306b\u3001\u5143\u3005\u52d5\u4f5c\u3057\u3066\u3044\u305f\u30d0\u30fc\u30b8\u30e7\u30f3\u3088\u308a\u3082\u3055\u3089\u306b\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u623b\u305d\u3046\u3068\u3059\u308b\u3068\u30b5\u30a4\u30c8\u304c\u52d5\u4f5c\u3057\u306a\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4e0d\u7528\u610f\u306b\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4e0b\u3052\u3059\u304e\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\n&nbsp;<\/p>\n<p>\u25a0WordPress\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4e0b\u3052\u3059\u304e\u3066\u8d77\u304d\u305f\u30a8\u30e9\u30fc<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-error-php.png\" alt=\"WordPress\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4e0b\u3052\u3059\u304e\u3066\u8d77\u304d\u305f\u30a8\u30e9\u30fc\" width=\"1200\" height=\"642\" class=\"alignnone size-full wp-image-21172\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-error-php.png 1200w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-error-php-300x161.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-error-php-1024x548.png 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-error-php-768x411.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><br \/>\n&nbsp;<\/p>\n<p>\u4e0a\u8a18\u306fWordPress5.5.3(2020\u5e7411\u67081\u65e5\u30ea\u30ea\u30fc\u30b9)\u304b\u3089WordPress3.9.3(2014\u5e7411\u670822\u65e5)\u306b\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3057\u3088\u3046\u3068\u3057\u305f\u4f8b\u3067\u3059\u3002<br \/>\n&nbsp;<\/p>\n<p>\u3069\u306e\u304f\u3089\u3044\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u623b\u3059\u3068\u30a8\u30e9\u30fc\u304c\u8d77\u304d\u308b\u304b\u306f\u3001\u3054\u5229\u7528\u306e\u74b0\u5883\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u305f\u3081\u3001\u4e00\u6982\u306b\u306f\u8a00\u3048\u307e\u305b\u3093\u304c\u30015.x\u7cfb\u21924.x\u7cfb\u306a\u3069\u3001\u4e00\u756a\u5de6\u306e\u6570\u5b57\u304c\u5909\u308f\u308b\u3068\u30a8\u30e9\u30fc\u304c\u8d77\u304d\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<br \/>\n&nbsp;<\/p>\n<p>\u539f\u56e0\u306f\u500b\u3005\u306e\u74b0\u5883\u306b\u3088\u3063\u3066\u3044\u308d\u3044\u308d\u3042\u308a\u307e\u3059\u304c\u3001\u5927\u304d\u304f\u306f\u300c\u30d7\u30e9\u30b0\u30a4\u30f3\u300d\u307e\u305f\u306f\u300cPHP\u300d\u307e\u305f\u306f\u300c\u30c6\u30fc\u30de\u300d\u306e\u3069\u308c\u304b\u3067\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3057\u305fWordPress\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u306e\u4e0d\u6574\u5408\u304c\u8d77\u304d\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3067\u3059\u3002<\/p>\n<div class=\"maruck\">\n<ul>\n<li>\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3057\u305fWordPress\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u3042\u3063\u3066\u3044\u306a\u3044<\/li>\n<li>\u30c6\u30fc\u30de\u304c\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3057\u305fWordPress\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u3042\u3063\u3066\u3044\u306a\u3044<\/li>\n<li>PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3057\u305fWordPress\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u3042\u3063\u3066\u3044\u306a\u3044<\/li>\n<\/ul>\n<\/div>\n<p>&nbsp;<\/p>\n<p>\u8aa4\u3063\u3066\u53e4\u3059\u304e\u308b\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3057\u3066\u30b5\u30a4\u30c8\u306e\u7ba1\u7406\u753b\u9762\u306b\u3082\u5165\u308c\u306a\u304f\u306a\u3063\u305f\u5834\u5408\u306f\u3001\u5f8c\u8ff0\u306eFTP\u3092\u5229\u7528\u3057\u3066\u9055\u3046\u30d0\u30fc\u30b8\u30e7\u30f3\u306eWordPress\u3067\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u76f4\u3059\u304b\u3001<a href=\"https:\/\/webst8.com\/blog\/wordpress-restore\/\">\u3010WordPress\u5fa9\u65e7\u624b\u9806\u3011\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30c7\u30fc\u30bf\u304b\u3089\u5fa9\u5143\u30fb\u5fa9\u65e7\u3059\u308b\u65b9\u6cd5<\/a>\u3067\u4e8b\u524d\u306b\u53d6\u5f97\u3057\u3066\u3044\u305f\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u304b\u3089\u5fa9\u5143\u3057\u307e\u3057\u3087\u3046\u3002\n<\/div>\n<p>&nbsp;<\/p>\n<h3>WordPress\u3092\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3059\u308b\u65b9\u6cd5<\/h3>\n<p>WP Downgrade\u3092\u305d\u306e\u307e\u307e\u306b\u3057\u3066\u304a\u304f\u3068\u3001\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\uff1e\u66f4\u65b0\u304b\u3089\u6700\u65b0\u306eWordPress\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u3042\u3052\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-8.png\" alt=\"WP Downgrade\u3092\u8a2d\u5b9a\u3059\u308b\u3068\u3001WordPress\u306e\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u66f4\u65b0\u3067\u304d\u306a\u3044\" width=\"1200\" height=\"382\" class=\"alignnone size-full wp-image-21120\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-8.png 1200w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-8-300x96.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-8-1024x326.png 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-8-768x244.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><br \/>\n&nbsp;<\/p>\n<p>\u3053\u3053\u304b\u3089\u306f\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3057\u305f\u3051\u3069\u3084\u3063\u3071\u308a\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u623b\u3057\u305f\u3044\u3068\u3044\u3046\u6642\u306e\u3084\u308a\u65b9\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<br \/>\n&nbsp;<\/p>\n<p>\u8a2d\u5b9a\uff1eDP Downgrade\u3092\u62bc\u4e0b\u3057\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-2.png\" alt=\"\u8a2d\u5b9a\uff1eWP Downgrade\" width=\"1221\" height=\"829\" class=\"alignnone size-full wp-image-21107\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-2.png 1221w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-2-300x204.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-2-1024x695.png 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-2-768x521.png 768w\" sizes=\"(max-width: 1221px) 100vw, 1221px\" \/><br \/>\n&nbsp;<\/p>\n<p>WordPress Target Version\u306b\u8a18\u5165\u3057\u305f\u30d0\u30fc\u30b8\u30e7\u30f3\u756a\u53f7\u3092\u524a\u9664(\u30af\u30ea\u30a2)\u3057\u3066\u5909\u66f4\u3092\u4fdd\u5b58\u3057\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-9.png\" alt=\"WordPress Target Version\u306b\u8a18\u5165\u3057\u305f\u756a\u53f7\u3092\u524a\u9664\u3057\u3066\u4fdd\u5b58\u3057\u307e\u3059\u3002\" width=\"1200\" height=\"686\" class=\"alignnone size-full wp-image-21121\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-9.png 1200w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-9-300x172.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-9-1024x585.png 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-9-768x439.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><br \/>\n&nbsp;<\/p>\n<p>\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u306e\u72b6\u614b\u304c\u30ea\u30bb\u30c3\u30c8\u3055\u308c\u3066\u3001\u6700\u65b0\u306eWordPress\u66f4\u65b0\u60c5\u5831\u304c\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u66f4\u65b0\u60c5\u5831\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u66f4\u65b0\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-10.png\" alt=\"\u6700\u65b0\u306eWordPress\u66f4\u65b0\u60c5\u5831\u304c\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f\" width=\"1170\" height=\"665\" class=\"alignnone size-full wp-image-21122\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-10.png 1170w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-10-300x171.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-10-1024x582.png 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-10-768x437.png 768w\" sizes=\"(max-width: 1170px) 100vw, 1170px\" \/><br \/>\n&nbsp;<\/p>\n<p>WordPress\u306e\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u66f4\u65b0\u30dc\u30bf\u30f3\u3092\u62bc\u4e0b\u3057\u3066WordPress\u3092\u66f4\u65b0\u3057\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-11.png\" alt=\"WordPress\u306e\u66f4\u65b0\u753b\u9762\" width=\"1200\" height=\"610\" class=\"alignnone size-full wp-image-21123\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-11.png 1200w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-11-300x153.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-11-1024x521.png 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-11-768x390.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><br \/>\n&nbsp;<\/p>\n<p>\u4ee5\u4e0a\u3067WordPress\u306e\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3078\u306e\u66f4\u65b0\u306f\u5b8c\u4e86\u3067\u3059\u3002<br \/>\n&nbsp;<\/p>\n<p>\u306a\u304a\u3001\u3082\u3046WP Downgrade\u3092\u4f7f\u308f\u306a\u3044\u5834\u5408\u306f\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\uff1e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6e08\u307f\u30d7\u30e9\u30b0\u30a4\u30f3\u304b\u3089\u3001WP Downgrade\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u7121\u52b9\u5316\u3059\u308b\u3068\u3001\u4e0a\u8a18\u3068\u540c\u69d8\u306e\u624b\u9806\u3067WordPress\u3092\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u66f4\u65b0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-13.png\" alt=\"WP Downgrade\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u7121\u52b9\u5316\" width=\"1200\" height=\"396\" class=\"alignnone size-full wp-image-21124\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-13.png 1200w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-13-300x99.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-13-1024x338.png 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wp-downgrade-13-768x253.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><br \/>\n&nbsp;<\/p>\n<h2>\u3010\u65b9\u6cd52\u3011FTP\u3067\u53e4\u3044WordPress\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u3066\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3059\u308b<\/h2>\n<h3>FTP\u3067\u53e4\u3044WordPress\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u516c\u5f0f\u30b5\u30a4\u30c8\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b<\/h3>\n<p>\u3064\u304e\u306b\u3001FTP\u3092\u5229\u7528\u3057\u3066WordPress\u306e\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u5dee\u3057\u66ff\u3048\u3066\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<br \/>\n&nbsp;<\/p>\n<p>\u307e\u305a\u306f\u3001WordPress.org\u516c\u5f0f\u30b5\u30a4\u30c8\u306e\u30ea\u30ea\u30fc\u30b9\u30da\u30fc\u30b8\u300c<a href=\"https:\/\/ja.wordpress.org\/download\/releases\/\" rel=\"noopener noreferrer\" target=\"_blank\">https:\/\/ja.wordpress.org\/download\/releases\/<\/a>\u300d\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u4e0b\u3055\u3044\u3002<br \/>\n&nbsp;<\/p>\n<p>\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3059\u308b\u524d\u306b\u5229\u7528\u3057\u3066\u3044\u305fWordPress\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u63a2\u3057\u3066\u3001zip\u3092\u9078\u629e\u3057\u3066\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-org-download.png\" alt=\"WordPress org \u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30d5\u30a1\u30a4\u30eb\" width=\"1200\" height=\"1056\" class=\"alignnone size-full wp-image-21156\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-org-download.png 1200w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-org-download-300x264.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-org-download-1024x901.png 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-org-download-768x676.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><br \/>\n(\u203b)\u3082\u3068\u3082\u3068\u52d5\u4f5c\u3057\u3066\u3044\u305fWordPress\u30d0\u30fc\u30b8\u30e7\u30f3\u3088\u308a\u3082\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u9078\u629e\u3059\u308b\u3068\u30b5\u30a4\u30c8\u304c\u30a8\u30e9\u30fc\u8868\u793a\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308b\u306e\u3067\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n&nbsp;<\/p>\n<p>\u81ea\u5206\u304c\u623b\u3057\u305f\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u904e\u53bb\u306b\u3055\u304b\u306e\u307c\u3063\u3066\u63a2\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f\u3089\u3001\u89e3\u51cd\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-org-download-zip.png\" alt=\"wordpress.zip\u3092\u89e3\u51cd\u3059\u308b\" width=\"1200\" height=\"408\" class=\"alignnone size-full wp-image-21155\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-org-download-zip.png 1200w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-org-download-zip-300x102.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-org-download-zip-1024x348.png 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-org-download-zip-768x261.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><br \/>\n&nbsp;<\/p>\n<p>\u89e3\u51cd\u5f8c\u3001WordPress\u30d5\u30a9\u30eb\u30c0\u304c\u3067\u304d\u308b\u306e\u3067\u958b\u304d\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-org-download-unzip.png\" alt=\"wordpress\u30d5\u30a9\u30eb\u30c0\uff08\u89e3\u51cd\u3055\u308c\u305f\uff09\" width=\"300\" height=\"264\" class=\"alignnone size-full wp-image-21154\" \/><br \/>\n&nbsp;<\/p>\n<p>wordpress\u306e\u30d5\u30a9\u30eb\u30c0\u306e\u4e2d\u306b\u3001\u305f\u304f\u3055\u3093\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u3042\u308a\u307e\u3059\u3002<span class=\"huto\">\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u6642\u306b\u4e0d\u8981\u306awp-content\u3092\u524a\u9664\u3057\u307e\u3059\u3002\u203b\u3082\u3057wp-config.php\u3084.htaccess\u304c\u3042\u3063\u305f\u3089\u3001\u3053\u3061\u3089\u3082\u524a\u9664\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/span><br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-files-2.jpg\" alt=\"WordPress\u30d5\u30a9\u30eb\u30c0\u3000wp-content\u30d5\u30a9\u30eb\u30c0\u306f\u524a\u9664\u3057\u307e\u3059\" width=\"1000\" height=\"907\" class=\"alignnone size-full wp-image-21169\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-files-2.jpg 1000w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-files-2-300x272.jpg 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-files-2-768x697.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><br \/>\n&nbsp;<br \/>\n&nbsp;<\/p>\n<h3>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305fWordPress\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b<\/h3>\n<p>\u30b5\u30fc\u30d0\u30fc\u306eWordPress\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<span class=\"hutoaka\">\u203b\u9055\u3046\u30c9\u30e1\u30a4\u30f3\u3084\u9593\u9055\u3063\u305f\u7b87\u6240\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u3068\u30b5\u30a4\u30c8\u304c\u58ca\u308c\u308b\u3053\u3068\u304c\u3042\u308b\u306e\u3067\u6c17\u3092\u3064\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/span><br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-files-ftp-upload.jpg\" alt=\"WordPress\u306e\u30d5\u30a1\u30a4\u30eb\u3092FTP\u3067\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\" width=\"1200\" height=\"823\" class=\"alignnone size-full wp-image-21170\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-files-ftp-upload.jpg 1200w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-files-ftp-upload-300x206.jpg 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-files-ftp-upload-1024x702.jpg 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-files-ftp-upload-768x527.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><br \/>\n&nbsp;<\/p>\n<p>(\u203b)FTP\u30bd\u30d5\u30c8\u3092\u4f7f\u3063\u305f\u3053\u3068\u304c\u306a\u3044\u65b9\u306b\u3064\u3044\u3066\u306f\u300c<a href=\"https:\/\/webst8.com\/blog\/ftp-tool-filezilla\/\">\u7121\u6599FTP\u30c4\u30fc\u30eb FileZilla \u306e\u4f7f\u3044\u65b9 Mac\u30fbWindows\u5bfe\u5fdc<\/a>\u300d\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<br \/>\n&nbsp;<\/p>\n<p>\u4e0a\u66f8\u304d\u3057\u3066\u826f\u3044\u304b\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u304d\u305f\u3089\u3001\u4e0a\u66f8\u304d\u3092\u9078\u629e\u3057\u3066OK\u30dc\u30bf\u30f3\u3092\u62bc\u4e0b\u3057\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-oldversion-ftp-upload-2.png\" alt=\"FTP\u3067\u4e0a\u66f8\u304d\u3092\u8a2d\u5b9a\u3057\u3066\u305d\u306e\u307e\u307e\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u307e\u3059\" width=\"797\" height=\"455\" class=\"alignnone size-full wp-image-21152\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-oldversion-ftp-upload-2.png 797w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-oldversion-ftp-upload-2-300x171.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-oldversion-ftp-upload-2-768x438.png 768w\" sizes=\"(max-width: 797px) 100vw, 797px\" \/><br \/>\n&nbsp;<\/p>\n<p>(\u203b)\u306a\u304a\u3001\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u304c\u5b8c\u4e86\u3057\u3066\u304a\u3089\u305a\u9014\u4e2d\u306e\u5834\u5408\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u4e0b\u8a18\u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u304c\u8d77\u304d\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u5168\u3066\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u308b\u307e\u3067\u5f85\u3061\u307e\u3057\u3087\u3046\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-oldversion-ftp-upload-3.png\" alt=\"\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u4e2d\u306f\u30a8\u30e9\u30fc\u8d77\u304d\u308b\" width=\"1195\" height=\"451\" class=\"alignnone size-full wp-image-21153\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-oldversion-ftp-upload-3.png 1195w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-oldversion-ftp-upload-3-300x113.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-oldversion-ftp-upload-3-1024x386.png 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-oldversion-ftp-upload-3-768x290.png 768w\" sizes=\"(max-width: 1195px) 100vw, 1195px\" \/><br \/>\n&nbsp;<\/p>\n<h3>\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u5f8c\u306b\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3067\u304d\u3066\u3044\u308b\u3053\u3068\u306e\u78ba\u8a8d<\/h3>\n<p>\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001WordPress\u306e\u7ba1\u7406\u753b\u9762\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u66f4\u65b0\u3068\u8868\u793a\u3055\u308c\u3066\u3044\u305f\u3089\u3001\u305d\u306e\u307e\u307e\u30af\u30ea\u30c3\u30af\u3057\u3066\u30c7\u30fc\u30bf\u3092\u66f4\u65b0\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-database-update.png\" alt=\"\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u66f4\u65b0\u304c\u4fc3\u3055\u308c\u305f\u3089\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u66f4\u65b0\u30dc\u30bf\u30f3\u3092\u62bc\u4e0b\u3059\u308b\" width=\"1862\" height=\"914\" class=\"alignleft size-full wp-image-21178\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-database-update.png 1862w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-database-update-300x147.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-database-update-1024x503.png 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-database-update-768x377.png 768w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-database-update-1536x754.png 1536w\" sizes=\"(max-width: 1862px) 100vw, 1862px\" \/><br \/>\n&nbsp;<\/p>\n<p>\u7ba1\u7406\u753b\u9762\u4e2d\u306b\u4e0b\u8a18\u306e\u3088\u3046\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u66f4\u65b0\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-old-database-update.png\" alt=\"WordPress\u306e\u7ba1\u7406\u753b\u9762\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u66f4\u65b0\u30dc\u30bf\u30f3\u304c\u8868\u793a\u3055\u308c\u308b\" width=\"1200\" height=\"539\" class=\"alignnone size-full wp-image-21150\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-old-database-update.png 1200w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-old-database-update-300x135.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-old-database-update-1024x460.png 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-old-database-update-768x345.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><br \/>\n&nbsp;<\/p>\n<p>\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3067\u304d\u305f\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\uff1e\u30db\u30fc\u30e0\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-dashboard-home.png\" alt=\"\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\uff1e\u30db\u30fc\u30e0\" width=\"800\" height=\"438\" class=\"alignnone size-full wp-image-21125\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-dashboard-home.png 800w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-dashboard-home-300x164.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-dashboard-home-768x420.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><br \/>\n&nbsp;<\/p>\n<p>WordPress\u306e\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u304b\u3089\u81ea\u5206\u304c\u9078\u3093\u3060\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u623b\u305b\u305f\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-now-version-check.png\" alt=\"\u73fe\u5728\u306eWordPress\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\" width=\"1200\" height=\"677\" class=\"alignnone size-full wp-image-21126\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-now-version-check.png 1200w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-now-version-check-300x169.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-now-version-check-1024x578.png 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-now-version-check-768x433.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><br \/>\n&nbsp;<\/p>\n<p>\u4ee5\u4e0a\u3067\u3001WordPress\u306e\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u306f\u5b8c\u4e86\u3067\u3059\u3002<br \/>\n&nbsp;<br \/>\n&nbsp;<\/p>\n<h2>\u73fe\u5728\u306eWordPress\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u5909\u66f4\u3067\u304d\u305f\u304b\u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5<\/h2>\n<p>\u73fe\u5728\u306eWordPress\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306a\u306e\u304b\u308f\u304b\u3089\u306a\u304f\u306a\u3063\u305f\u4eba\u306e\u305f\u3081\u306b\u3001\u73fe\u5728\u306eWordPress\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u5909\u66f4\u3067\u304d\u305f\u304b\u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<br \/>\n&nbsp;<\/p>\n<p>\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\uff1e\u30db\u30fc\u30e0\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-dashboard-home.png\" alt=\"\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\uff1e\u30db\u30fc\u30e0\" width=\"800\" height=\"438\" class=\"alignnone size-full wp-image-21125\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-dashboard-home.png 800w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-dashboard-home-300x164.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-dashboard-home-768x420.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><br \/>\n&nbsp;<\/p>\n<p>WordPress\u306e\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u304b\u3089\u81ea\u5206\u304c\u9078\u3093\u3060\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u623b\u305b\u305f\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-now-version-check.png\" alt=\"\u73fe\u5728\u306eWordPress\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\" width=\"1200\" height=\"677\" class=\"alignnone size-full wp-image-21126\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-now-version-check.png 1200w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-now-version-check-300x169.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-now-version-check-1024x578.png 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-now-version-check-768x433.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><br \/>\n&nbsp;<br \/>\n&nbsp;<\/p>\n<h2>WordPress\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4e0b\u3052\u3059\u304e\u3066\u52d5\u304b\u306a\u304f\u306a\u3063\u305f\u3068\u304d\u306e\u5bfe\u51e6\u6cd5<\/h2>\n<p>WordPress\u3092\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u306e\u969b\u306b\u3001\u5143\u3005\u52d5\u4f5c\u3057\u3066\u3044\u305f\u30d0\u30fc\u30b8\u30e7\u30f3\u3088\u308a\u3082\u3055\u3089\u306b\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u623b\u305d\u3046\u3068\u3059\u308b\u3068\u30b5\u30a4\u30c8\u304c\u6b63\u5e38\u306b\u52d5\u4f5c\u3057\u306a\u304f\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u4e0d\u7528\u610f\u306b\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4e0b\u3052\u3059\u304e\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\n&nbsp;<\/p>\n<p>\u25a0WordPress\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4e0b\u3052\u3059\u304e\u3066\u8d77\u304d\u305f\u30a8\u30e9\u30fc<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-error-php.png\" alt=\"WordPress\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4e0b\u3052\u3059\u304e\u3066\u8d77\u304d\u305f\u30a8\u30e9\u30fc\" width=\"1200\" height=\"642\" class=\"alignnone size-full wp-image-21172\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-error-php.png 1200w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-error-php-300x161.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-error-php-1024x548.png 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-error-php-768x411.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><br \/>\n&nbsp;<\/p>\n<p>\u4e0a\u8a18\u306fWordPress5.5.3(2020\u5e7411\u67081\u65e5\u30ea\u30ea\u30fc\u30b9)\u304b\u3089WordPress3.9.3(2014\u5e7411\u670822\u65e5)\u306b\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3057\u3088\u3046\u3068\u3057\u305f\u4f8b\u3067\u3059\u3002<br \/>\n&nbsp;<\/p>\n<p>\u3069\u306e\u304f\u3089\u3044\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u623b\u3059\u3068\u30a8\u30e9\u30fc\u304c\u8d77\u304d\u308b\u304b\u306f\u3001\u3054\u5229\u7528\u306e\u74b0\u5883\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u305f\u3081\u3001\u4e00\u6982\u306b\u306f\u8a00\u3048\u307e\u305b\u3093\u304c\u30015.x\u7cfb\u21924.x\u7cfb\u306a\u3069\u3001\u4e00\u756a\u5de6\u306e\u6570\u5b57\u304c\u5909\u308f\u308b\u3068\u30a8\u30e9\u30fc\u304c\u8d77\u304d\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<br \/>\n&nbsp;<\/p>\n<p>\u539f\u56e0\u306f\u500b\u3005\u306e\u74b0\u5883\u306b\u3088\u3063\u3066\u3044\u308d\u3044\u308d\u3042\u308a\u307e\u3059\u304c\u3001\u5927\u304d\u304f\u306f\u300c\u30d7\u30e9\u30b0\u30a4\u30f3\u300d\u307e\u305f\u306f\u300cPHP\u300d\u307e\u305f\u306f\u300c\u30c6\u30fc\u30de\u300d\u306e\u3069\u308c\u304b\u3067\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3057\u305fWordPress\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u306e\u4e0d\u6574\u5408\u304c\u8d77\u304d\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3067\u3059\u3002<\/p>\n<div class=\"maruck\">\n<ul>\n<li>\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3057\u305fWordPress\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u3042\u3063\u3066\u3044\u306a\u3044<\/li>\n<li>\u30c6\u30fc\u30de\u304c\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3057\u305fWordPress\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u3042\u3063\u3066\u3044\u306a\u3044<\/li>\n<li>PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3057\u305fWordPress\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u3042\u3063\u3066\u3044\u306a\u3044<\/li>\n<\/ul>\n<\/div>\n<p>&nbsp;<\/p>\n<p>\u8aa4\u3063\u3066\u53e4\u3059\u304e\u308b\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3057\u3066\u3057\u307e\u3063\u305f\u5834\u5408\u306f\u300c<a href=\"https:\/\/ja.wordpress.org\/download\/releases\/\" rel=\"noopener noreferrer\" target=\"_blank\">https:\/\/ja.wordpress.org\/download\/releases\/<\/a>\u300d\u304b\u3089\u518d\u5ea6\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u9078\u3073\u76f4\u3057\u3066\u524d\u8ff0\u3068\u540c\u69d8\u306e\u624b\u9806\u3067FTP\u3067\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u76f4\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\n&nbsp;<\/p>\n<p>\u4ee5\u4e0b\u306f\u3001\u30a8\u30e9\u30fc\u304c\u8d77\u304d\u3066\u30b5\u30a4\u30c8\u304c\u8868\u793a\u3055\u308c\u306a\u304f\u306a\u3063\u305f\u5834\u5408\u306e\u539f\u56e0\u306e\u898b\u3064\u3051\u65b9\u306b\u3064\u3044\u3066\u7c21\u5358\u306b\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<br \/>\n&nbsp;<\/p>\n<h3>\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u539f\u56e0\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n<p>\u307e\u305a\u306f\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u539f\u56e0\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\n&nbsp;<\/p>\n<p>\u3053\u3053\u3067\u306f\u3001FTP\u3067WordPress\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\uff1ewp-content\u5185\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u3001\u300cplugins\u300d\u3092\u300c_plugins\u300d\u306a\u3069\u306b\u30ea\u30cd\u30fc\u30e0\u3057\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/ftp-wordpress-plugins-rename.png\" alt=\"\u30d7\u30e9\u30b0\u30a4\u30f3plugins\u3092\u30ea\u30cd\u30fc\u30e0\u3059\u308b\" width=\"1000\" height=\"463\" class=\"alignnone size-full wp-image-21180\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/ftp-wordpress-plugins-rename.png 1000w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/ftp-wordpress-plugins-rename-300x139.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/ftp-wordpress-plugins-rename-768x356.png 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><br \/>\n&nbsp;<\/p>\n<p>\u30b5\u30a4\u30c8\u3092\u958b\u304f\u3053\u3068\u304c\u3067\u304d\u308c\u3070\u3001OK\u3067\u3059\u3002\u3053\u308c\u3067\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u539f\u56e0\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-recover.jpg\" alt=\"WordPress\u304c\u30ea\u30ab\u30d0\u30fc\u3057\u305f\" width=\"1200\" height=\"818\" class=\"alignnone size-full wp-image-21181\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-recover.jpg 1200w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-recover-300x205.jpg 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-recover-1024x698.jpg 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-recover-768x524.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><br \/>\n&nbsp;<\/p>\n<p>\u4e0a\u8a18\u306e\u307e\u307e\u3067\u306f\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u5168\u3066\u7121\u52b9\u5316\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u753b\u9762\u5d29\u308c\u304c\u3042\u3063\u305f\u308a\u30a8\u30e9\u30fc\u304c\u8d77\u304d\u305f\u308a\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u4e00\u3064\u4e00\u3064\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u7121\u52b9\u5316\u306a\u3069\u3057\u3066\u539f\u56e0\u3092\u63a2\u3063\u3066\u3044\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n&nbsp;<\/p>\n<h3>\u30c6\u30fc\u30de\u304c\u539f\u56e0\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n<p>\u30d7\u30e9\u30b0\u30a4\u30f3\u3060\u3051\u3067\u89e3\u6c7a\u3057\u306a\u304b\u3063\u305f\u5834\u5408\u306f\u3001\u30c6\u30fc\u30de\u304c\u539f\u56e0\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\n&nbsp;<\/p>\n<p>\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u6642\u3068\u540c\u69d8\u306b\u3001\u3053\u3053\u3067\u306f\u3001FTP\u3067WordPress\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\uff1ewp-content\uff1ethemes\u5185\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u6709\u52b9\u5316\u3057\u3066\u3044\u308b\u30c6\u30fc\u30de\u540d\u3092\u30ea\u30cd\u30fc\u30e0\u3057\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/ftp-wordpress-theme-rename.png\" alt=\"\u6709\u52b9\u5316\u3057\u3066\u3044\u308b\u30c6\u30fc\u30de\u540d\u3092\u30ea\u30cd\u30fc\u30e0\u3059\u308b\" width=\"1000\" height=\"543\" class=\"alignnone size-full wp-image-21179\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/ftp-wordpress-theme-rename.png 1000w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/ftp-wordpress-theme-rename-300x163.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/ftp-wordpress-theme-rename-768x417.png 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><br \/>\n&nbsp;<\/p>\n<p>\u524d\u8ff0\u306e\u5168\u304f\u30b5\u30a4\u30c8\u8868\u793a\u3055\u308c\u306a\u304b\u3063\u305f\u30a8\u30e9\u30fc\u304b\u3089\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306bWordPress\u306e\u30c6\u30fc\u30de\u304c\u58ca\u308c\u305f\u3068\u3044\u3046\u30a8\u30e9\u30fc\u306b\u5909\u308f\u308c\u3070\u4e00\u6b69\u524d\u9032\u3067\u3059\u3002\u30c6\u30fc\u30de\u304c\u539f\u56e0\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-theme-error-1.png\" alt=\"\u30c6\u30fc\u30de\u3092\u30ea\u30cd\u30fc\u30e0\u3057\u305f\u3053\u3068\u306b\u3088\u3063\u3066\u767a\u751f\u3057\u305f\u30a8\u30e9\u30fc\" width=\"1660\" height=\"468\" class=\"alignnone size-full wp-image-21176\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-theme-error-1.png 1660w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-theme-error-1-300x85.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-theme-error-1-1024x289.png 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-theme-error-1-768x217.png 768w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-theme-error-1-1536x433.png 1536w\" sizes=\"(max-width: 1660px) 100vw, 1660px\" \/><br \/>\n&nbsp;<\/p>\n<p>\u4e0a\u8a18\u306e\u5834\u5408\u3001\u30c6\u30fc\u30de\u306b\u30a8\u30e9\u30fc\u304c\u8d77\u304d\u3066\u3044\u308b\u306e\u3067\u30b5\u30a4\u30c8\u8868\u793a\u306f\u3067\u304d\u307e\u305b\u3093\u304c\u3001\u7ba1\u7406\u753b\u9762\u306b\u5165\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u3002\u7ba1\u7406\u753b\u9762\u306b\u5165\u308a\u3001\u5916\u89b3\uff1e\u30c6\u30fc\u30de\u304b\u3089\u3001\u5225\u306e\u30c6\u30fc\u30de\u3092\u9078\u629e\u3057\u305f\u308a\u3001\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u30c6\u30fc\u30de\u306b\u5dee\u3057\u66ff\u3048\u308b\u3053\u3068\u3067\u5bfe\u51e6\u3057\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-theme-error-2.jpg\" alt=\"\u30c6\u30fc\u30de\u3092\u5225\u306e\u30c6\u30fc\u30de\u304b\u53e4\u3044\u30c6\u30fc\u30de\u306b\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u5bfe\u51e6\" width=\"1200\" height=\"601\" class=\"alignnone size-full wp-image-21177\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-theme-error-2.jpg 1200w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-theme-error-2-300x150.jpg 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-theme-error-2-1024x513.jpg 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-theme-error-2-768x385.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><br \/>\n&nbsp;<\/p>\n<p>\u3053\u3053\u3067\u3001\u524d\u8ff0\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u64cd\u4f5c\u300c_plugins\u300d\u3092\u300cplugins\u300d\u306b\u623b\u3057\u3066\u518d\u5ea6\u30a8\u30e9\u30fc\u306b\u306a\u3063\u305f\u3089\u3001\u30c6\u30fc\u30de\u3060\u3051\u3067\u306a\u304f\u30d7\u30e9\u30b0\u30a4\u30f3\u3082\u30a8\u30e9\u30fc\u539f\u56e0\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u4e00\u3064\u4e00\u3064\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u7121\u52b9\u5316\u30fb\u6709\u52b9\u5316\u3057\u3066\u539f\u56e0\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n&nbsp;<\/p>\n<h3>PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u30a8\u30e9\u30fc\u304c\u8d77\u304d\u3066\u3044\u308b\u5834\u5408<\/h3>\n<p>\u6700\u5f8c\u306b\u3001PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u30a8\u30e9\u30fc\u304c\u8d77\u304d\u3066\u3044\u308b\u5834\u5408\u306e\u5bfe\u51e6\u6cd5\u3067\u3059\u3002<br \/>\n&nbsp;<\/p>\n<p>2020\u5e7411\u6708\u73fe\u5728\u3001\u672c\u74b0\u5883\u3067\u306f\u30b5\u30fc\u30d0\u30fc\u5074\u3067PHP7.4\u3092\u6307\u5b9a\u3057\u3066WordPress\u3092\u52d5\u4f5c\u3055\u305b\u3066\u3044\u307e\u3059\u3002<br \/>\n&nbsp;<\/p>\n<p>\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3057\u305f\u5f53\u6642\u306eWordPress\u304c\u73fe\u5728\u306ePHP7.4\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u30b5\u30fc\u30d0\u30fc\u5074\u3067PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u30a8\u30e9\u30fc\u304c\u89e3\u6c7a\u3067\u304d\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/sever-php-version-down.png\" alt=\"\u30ed\u30ea\u30dd\u30c3\u30d7\u3067\u5bfe\u8c61\u30c9\u30e1\u30a4\u30f3\u306b\u5bfe\u3057\u3066PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u5909\u66f4\" width=\"1000\" height=\"254\" class=\"alignnone size-full wp-image-21182\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/sever-php-version-down.png 1000w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/sever-php-version-down-300x76.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/sever-php-version-down-768x195.png 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><br \/>\n&nbsp;<\/p>\n<p><span class=\"st-aka\">\u306a\u304a\u3001\u3053\u3053\u3067\u3054\u7d39\u4ecb\u3057\u305f\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u30fb\u30c6\u30fc\u30de\u30fbPHP\u306e\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7684\u306b\u306f\u63a8\u5968\u3055\u308c\u307e\u305b\u3093\u306e\u3067\u3001\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u306f\u3042\u304f\u307e\u3067\u66ab\u5b9a\u7684\u306a\u5bfe\u51e6\u6cd5\u3068\u3044\u3046\u3053\u3068\u306b\u3054\u7559\u610f\u304f\u3060\u3055\u3044\u3002<\/span><br \/>\n&nbsp;<\/p>\n<p>\u57fa\u672c\u7684\u306b\u306f\u3001\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u52d5\u4f5c\u3067\u304d\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u8abf\u6574\u3059\u308b\u306e\u304c\u3001\u672c\u6765\u63a8\u5968\u3055\u308c\u308b\u3084\u308a\u65b9\u3067\u3059\u3002<br \/>\n&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u307e\u3068\u3081\u3067\u3059\u3002\u4eca\u56de\u306f\u3001\u300cWP Downgrade\u300d\u3068\u3044\u3046\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u5229\u7528\u3057\u3066WordPress\u3092\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u65b9\u6cd5\u3068\u3001\u30aa\u30fc\u30bd\u30c9\u30c3\u30af\u30b9\u306aFTP\u3092\u5229\u7528\u3057\u3066\u53e4\u3044WordPress\u306b\u30d0\u30fc\u30b8\u30e7\u30f3\u30c0\u30a6\u30f3\u3059\u308b\u3068\u3044\u3046\u30012\u3064\u306e\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u25a0WordPress\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u30fb\u30d0\u30fc\u30b8\u30e7\u30f3\u30c0\u30a6\u30f3\u65b9\u6cd5(\u52d5\u753b\u89e3\u8aac)<br \/>\n<iframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/GOxa8L8TxB8?rel=0\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><br \/>\n&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-downgrade-explanation.png\" alt=\"WordPress\u306e\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u65b9\u6cd5\" width=\"1200\" height=\"688\" class=\"alignnone size-full wp-image-28002\" srcset=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-downgrade-explanation.png 1200w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-downgrade-explanation-300x172.png 300w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-downgrade-explanation-1024x587.png 1024w, https:\/\/webst8.com\/blog\/wp-content\/uploads\/2020\/11\/wordpress-downgrade-explanation-768x440.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><br \/>\n&nbsp;<\/p>\n<p>\u25a02\u3064\u306e\u65b9\u6cd5\u306e\u30e1\u30ea\u30c3\u30c8\u30c7\u30e1\u30ea\u30c3\u30c8<\/p>\n<table>\n<thead>\n<th style=\"width:28%\"><\/th>\n<th style=\"width:36%\">\u30e1\u30ea\u30c3\u30c8<\/th>\n<th style=\"width:36%\">\u30c7\u30e1\u30ea\u30c3\u30c8<\/th>\n<\/thead>\n<tbody>\n<tr>\n<th>\u3010\u65b9\u6cd51\u3011\u30d7\u30e9\u30b0\u30a4\u30f3(WP Downgrade)\u3092\u5229\u7528\u3057\u3066\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9<\/th>\n<td>\n<ul class=\"check-maru\">\n<li>FTP\u306e\u77e5\u8b58\u306a\u3069\u306a\u304f\u3066\u3082\u521d\u5fc3\u8005\u3067\u3082\u7c21\u5358\u306b\u5b9f\u65bd\u3067\u304d\u308b<\/li>\n<\/ul>\n<\/td>\n<td>\n<ul class=\"check-batsu\">\n<li>\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u76f8\u6027\u554f\u984c\u306a\u3069100%\u4e0a\u624b\u304f\u3044\u304f\u308f\u3051\u3067\u306f\u306a\u3044<\/li>\n<li>\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u4e00\u3064\u5897\u3048\u308b<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<th>\u3010\u65b9\u6cd52\u3011FTP\u3067\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u3057\u3066\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9<\/th>\n<td>\n<ul class=\"check-maru\">\n<li>\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u5897\u3084\u3055\u306a\u304f\u3066\u826f\u3044<\/li>\n<li>\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u76f8\u6027\u554f\u984c\u306a\u3069\u8003\u3048\u306a\u304f\u3066\u826f\u3044<\/li>\n<\/ul>\n<\/td>\n<td>\n<ul class=\"check-batsu\">\n<li>FTP\u3067\u30a2\u30af\u30bb\u30b9\u3057\u3066\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u77e5\u8b58\u304c\u5fc5\u8981\u306a\u305f\u3081<br \/>\n\u521d\u5fc3\u8005\u306b\u3068\u3063\u3066\u5c11\u3057\u96e3\u3057\u3044<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>\u57fa\u672c\u7684\u306b\u3001WordPress\u3067\u306f\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u9069\u7528\u3057\u3066\u304a\u304f\u3053\u3068\u304c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u671b\u307e\u3057\u3044\u3067\u3059\u304c\u3001\u3082\u3057\u3054\u5229\u7528\u306e\u30c6\u30fc\u30de\u3084\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u4e0d\u5177\u5408\u304c\u8d77\u304d\u305f\u5834\u5408\u306a\u3069\u306b\u66ab\u5b9a\u7684\u306bWordpress\u3092\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3057\u3066\u904b\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>WordPress\u3067\u4e07\u4e00\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3057\u305f\u6642\u306b\u8d77\u308b\u30ea\u30b9\u30af\u3084\u4e0d\u5177\u5408\u306e\u5bfe\u7b56\u3068\u3057\u3066\u3054\u53c2\u8003\u306b\u306a\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n<p>\u306a\u304a\u3001\u4eca\u56de\u306f\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u5229\u7528\u3057\u3066\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u624b\u9806\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3057\u305f\u304c\u3001FTP\u3092\u5229\u7528\u3057\u3066WordPress\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306f\u4ee5\u4e0a\u306b\u306a\u308a\u307e\u3059\u3002\u6700\u5f8c\u307e\u3067\u3054\u89a7\u3044\u305f\u3060\u304d\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3057\u305f\u3002<br \/>\n&nbsp;<\/p>\n<div class=\"list-frame primary\">\n<p class=\"list-frame-p\">\u5408\u308f\u305b\u3066\u8aad\u307f\u305f\u3044\u8a18\u4e8b<\/p>\n<p>WordPress\u306e\u4f7f\u3044\u65b9\u306e\u7dcf\u307e\u3068\u3081\u3092\u300c<a href=\"https:\/\/webst8.com\/blog\/wordpress-basic-howto\/\">\u3010\u521d\u5fc3\u8005\u5411\u3051\u3011WordPress\u306e\u59cb\u3081\u65b9\u30fb\u4f7f\u3044\u65b9\u5fb9\u5e95\u30de\u30cb\u30e5\u30a2\u30eb<\/a>\u300d\u3067\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002WordPress\u3092\u4e00\u304b\u3089\u52c9\u5f37\u3057\u305f\u3044\u3068\u8a00\u3046\u65b9\u306f\u305c\u3072\u3054\u89a7\u304f\u3060\u3055\u3044\u3002\n<\/div>\n<p>&nbsp;<\/p>\n<p><div class=\"sb-type-drop\">\n\t<div class=\"sb-subtype-a\">\n\t\t<div class=\"sb-speaker\">\n\t\t\t<div class=\"sb-icon\">\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/webst8.com\/blog\/wp-content\/plugins\/speech-bubble\/img\/boy-point.jpg\" class=\"sb-icon\">\n\t\t\t<\/div>\n\t\t\t<div class=\"sb-name\"><\/div>\n\t\t<\/div>\n\t\t<div class=\"sb-content\">\n\t\t\t<div class=\"sb-speech-bubble\"><span class=\"font-14\"><strong>\u300c\u696d\u8005\u306b\u4efb\u305b\u305f\u3051\u3069\u3001\u66f4\u65b0\u304c\u3067\u304d\u306a\u3044\u300d\u300c\u672c\u3067\u72ec\u5b66\u306f\u6642\u9593\u304c\u304b\u304b\u308a\u3059\u304e\u308b\u30fb\u30fb\u300d<\/strong>\u305d\u3093\u306a\u304a\u60a9\u307f\u306e\u65b9\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/span><\/p>\n<p><span class=\"font-14\"><strong>\u500b\u5225\u6307\u5c0e\u5f62\u5f0f\u306e\u30b9\u30af\u30fc\u30eb\u3067\u306f\u3001\u81ea\u5206\u306e\u77e5\u308a\u305f\u3044\u3053\u3068\u3092\u30d4\u30f3\u30dd\u30a4\u30f3\u30c8\u3067\u5b66\u7fd2\u30fb\u9054\u6210\u3067\u304d\u3001\u81ea\u5206\u3067\u66f4\u65b0\u3082\u3067\u304d\u308b\u3068\u3044\u3046\u30e1\u30ea\u30c3\u30c8<\/strong>\u3082\u3042\u308a\u307e\u3059\u3002<\/span><\/p>\n<p><span 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