{"id":3582,"date":"2026-04-14T12:39:38","date_gmt":"2026-04-14T03:39:38","guid":{"rendered":"https:\/\/jinrai.co.jp\/blog\/2026\/04\/14\/wordpress-update-restore\/"},"modified":"2026-04-14T18:23:34","modified_gmt":"2026-04-14T09:23:34","slug":"wordpress-update-restore","status":"publish","type":"post","link":"https:\/\/jinrai.co.jp\/en\/blog\/2026\/04\/14\/wordpress-update-restore\/","title":{"rendered":"WordPress\u306e\u66f4\u65b0\u65b9\u6cd5\uff5c\u653e\u7f6e\u30b5\u30a4\u30c8\u306e\u5b89\u5168\u306a\u5fa9\u65e7\u624b\u9806"},"content":{"rendered":"

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\u7121\u6599\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9 \u2192<\/a><\/p>\n<\/div>\n<\/div>\n

\u66f4\u65b0\u524d\u306b\u78ba\u8a8d\u3059\u3079\u304dPHP\u4e92\u63db\u6027<\/h2>\n

WordPress\u306fPHP\u3068\u3044\u3046\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u52d5\u4f5c\u3057\u3066\u3044\u307e\u3059\u3002\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u306ePHP\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u53e4\u3059\u304e\u308b\u3068\u6700\u65b0\u306eWordPress\u304c\u52d5\u4f5c\u305b\u305a\u3001\u9006\u306bPHP\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u65b0\u3057\u3059\u304e\u308b\u3068\u53e4\u3044\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u52d5\u4f5c\u3057\u307e\u305b\u3093\u30022026\u5e74\u73fe\u5728\u306eWordPress\u63a8\u5968PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u306fPHP 8.1\u4ee5\u4e0a\u3067\u3059\u3002<\/p>\n

\n\n\n\n\n\n
PHP\u30d0\u30fc\u30b8\u30e7\u30f3<\/th>\n\u30b5\u30dd\u30fc\u30c8\u72b6\u6cc1<\/th>\n\u63a8\u5968\u30a2\u30af\u30b7\u30e7\u30f3<\/th>\n<\/tr>\n
PHP 7.4\u4ee5\u4e0b<\/td>\n\u30b5\u30dd\u30fc\u30c8\u7d42\u4e86<\/td>\n\u81f3\u6025PHP 8.1\u4ee5\u4e0a\u306b\u66f4\u65b0\u3002\u30b5\u30fc\u30d0\u30fc\u306e\u7ba1\u7406\u753b\u9762\u304b\u3089PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5909\u66f4\u53ef\u80fd<\/td>\n<\/tr>\n
PHP 8.0<\/td>\n\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u307f<\/td>\nPHP 8.1\u4ee5\u4e0a\u3078\u306e\u66f4\u65b0\u3092\u63a8\u5968<\/td>\n<\/tr>\n
PHP 8.1\u301c8.3<\/td>\n\u63a8\u5968<\/td>\n\u305d\u306e\u307e\u307e\u4f7f\u7528\u53ef\u80fd\u3002WordPress\u6700\u65b0\u7248\u3068\u306e\u4e92\u63db\u6027\u3082\u554f\u984c\u306a\u3057<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u78ba\u8a8d\u65b9\u6cd5\u306f\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u7ba1\u7406\u753b\u9762\u3001\u307e\u305f\u306fWordPress\u7ba1\u7406\u753b\u9762\u306e\u300c\u30b5\u30a4\u30c8\u30d8\u30eb\u30b9\u300d\u2192\u300c\u60c5\u5831\u300d\u2192\u300c\u30b5\u30fc\u30d0\u30fc\u300d\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u5909\u66f4\u306f\u30b5\u30fc\u30d0\u30fc\u306e\u7ba1\u7406\u753b\u9762\u304b\u3089\u6570\u30af\u30ea\u30c3\u30af\u3067\u5b8c\u4e86\u3057\u307e\u3059\u304c\u3001\u5909\u66f4\u5f8c\u306b\u5168\u30da\u30fc\u30b8\u306e\u8868\u793a\u78ba\u8a8d\u3092\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002\u53e4\u3044\u30d7\u30e9\u30b0\u30a4\u30f3\u304cPHP 8\u7cfb\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u4eca\u5f8c\u306e\u66f4\u65b0\u3092\u7fd2\u6163\u5316\u3059\u308b3\u3064\u306e\u65b9\u6cd5<\/h2>\n
\n
\n

\u65b9\u6cd51\uff1a\u81ea\u52d5\u66f4\u65b0\u3092\u6709\u52b9\u5316<\/p>\n

WordPress\u7ba1\u7406\u753b\u9762\u2192\u30d7\u30e9\u30b0\u30a4\u30f3\u2192\u5404\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u300c\u81ea\u52d5\u66f4\u65b0\u3092\u6709\u52b9\u5316\u300d\u3092\u30af\u30ea\u30c3\u30af\u3002\u30de\u30a4\u30ca\u30fc\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u81ea\u52d5\u66f4\u65b0\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u6709\u52b9\u3067\u3059\u304c\u3001\u30e1\u30b8\u30e3\u30fc\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u624b\u52d5\u3092\u63a8\u5968<\/p>\n<\/div>\n

\n

\u65b9\u6cd52\uff1a\u6708\u6b21\u306e\u4fdd\u5b88\u30eb\u30fc\u30c1\u30f3<\/p>\n

\u6bce\u67081\u65e5\u306b\u300c\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u2192\u30d7\u30e9\u30b0\u30a4\u30f3\u66f4\u65b0\u2192\u30c6\u30fc\u30de\u66f4\u65b0\u2192WP\u672c\u4f53\u66f4\u65b0\u2192\u52d5\u4f5c\u78ba\u8a8d\u300d\u3092\u5b9f\u65bd\u3002Google\u30ab\u30ec\u30f3\u30c0\u30fc\u306b\u30ea\u30de\u30a4\u30f3\u30c0\u30fc\u3092\u8a2d\u5b9a\u3057\u3066\u5fd8\u308c\u9632\u6b62<\/p>\n<\/div>\n

\n

\u65b9\u6cd53\uff1a\u4fdd\u5b88\u4f1a\u793e\u306b\u5916\u6ce8<\/p>\n

\u6708\u984d5,000\u301c3\u4e07\u5186\u3067\u66f4\u65b0\u30fb\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30fb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u76e3\u8996\u3092\u4ee3\u884c\u3002\u81ea\u793e\u306b\u6280\u8853\u8005\u304c\u3044\u306a\u3044\u5834\u5408\u306f\u3053\u306e\u65b9\u6cd5\u304c\u6700\u3082\u5b89\u5168<\/p>\n<\/div>\n<\/div>\n

\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n

\u66f4\u65b0\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u305f\u3089\u30b5\u30a4\u30c8\u304c\u771f\u3063\u767d\u306b\u306a\u308a\u307e\u3057\u305f<\/h3>\n

\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u4e92\u63db\u6027\u30a8\u30e9\u30fc\u306e\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3067\u3059\u3002FTP\u307e\u305f\u306f\u30b5\u30fc\u30d0\u30fc\u306e\u30d5\u30a1\u30a4\u30eb\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u3067wp-content\/plugins\u30d5\u30a9\u30eb\u30c0\u5185\u306e\u5404\u30d7\u30e9\u30b0\u30a4\u30f3\u30d5\u30a9\u30eb\u30c0\u540d\u3092\u5909\u66f4\uff08\u4f8b\uff1aplugin-name \u2192 plugin-name-disabled\uff09\u3057\u3066\u3001\u539f\u56e0\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u7279\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u7279\u5b9a\u5f8c\u3001\u305d\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u524a\u9664\u3057\u3001\u4ee3\u66ff\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u304c\u3042\u308c\u3070\u5fa9\u5143\u304c\u6700\u3082\u78ba\u5b9f\u3067\u3059\u3002<\/p>\n

3\u5e74\u4ee5\u4e0a\u66f4\u65b0\u3057\u3066\u3044\u306a\u3044\u30b5\u30a4\u30c8\u306f\u81ea\u5206\u3067\u5fa9\u65e7\u3067\u304d\u307e\u3059\u304b<\/h3>\n

\u6280\u8853\u7684\u306b\u306f\u53ef\u80fd\u3067\u3059\u304c\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u304c\u9ad8\u3044\u305f\u3081\u30d7\u30ed\u306b\u4f9d\u983c\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u307e\u3059\u30023\u5e74\u4ee5\u4e0a\u653e\u7f6e\u3055\u308c\u305f\u30b5\u30a4\u30c8\u306f\u30de\u30eb\u30a6\u30a7\u30a2\u611f\u67d3\u306e\u78ba\u7387\u304c\u9ad8\u304f\u3001\u5358\u7d14\u306a\u66f4\u65b0\u3060\u3051\u3067\u306f\u89e3\u6c7a\u3057\u306a\u3044\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002\u5fa9\u65e7\u8cbb\u7528\u306f5\u301c20\u4e07\u5186\u7a0b\u5ea6\u3067\u3059\u3002\u81ea\u793e\u3067\u884c\u3046\u5834\u5408\u306f\u3001\u5fc5\u305aSucuri SiteCheck\u3067\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c1\u30a7\u30c3\u30af\u3092\u884c\u3044\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u53d6\u5f97\u3057\u3066\u304b\u3089\u4f5c\u696d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n

WordPress\u306e\u81ea\u52d5\u66f4\u65b0\u306f\u6709\u52b9\u306b\u3059\u3079\u304d\u3067\u3059\u304b<\/h3>\n

\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u30de\u30a4\u30ca\u30fc\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\uff08\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d1\u30c3\u30c1\uff09\u306f\u81ea\u52d5\u66f4\u65b0\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30e1\u30b8\u30e3\u30fc\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\uff08\u6a5f\u80fd\u5909\u66f4\u3092\u4f34\u3046\u66f4\u65b0\uff09\u306f\u624b\u52d5\u3067\u884c\u3044\u3001\u66f4\u65b0\u524d\u306b\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u53d6\u5f97\u3057\u3066\u304f\u3060\u3055\u3044\u3002WordPress\u672c\u4f53\u306e\u30e1\u30b8\u30e3\u30fc\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3082\u624b\u52d5\u3092\u63a8\u5968\u3057\u307e\u3059\u3002<\/p>\n

\u66f4\u65b0\u3059\u308b\u3068\u30c7\u30b6\u30a4\u30f3\u304c\u5d29\u308c\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u3059\u304b<\/h3>\n

\u30c6\u30fc\u30de\u306e\u66f4\u65b0\u306b\u3088\u3063\u3066\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3057\u305fCSS\u304c\u4e0a\u66f8\u304d\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u5b50\u30c6\u30fc\u30de\uff08Child Theme\uff09\u3092\u4f7f\u7528\u3057\u3066\u3044\u308c\u3070\u3001\u30c6\u30fc\u30de\u66f4\u65b0\u3067\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u304c\u6d88\u3048\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5b50\u30c6\u30fc\u30de\u3092\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001\u30c6\u30fc\u30de\u66f4\u65b0\u524d\u306b\u30ab\u30b9\u30bf\u30e0CSS\u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3057\u3066\u304f\u3060\u3055\u3044\u3002WordPress\u30ea\u30cb\u30e5\u30fc\u30a2\u30eb\u306e\u8cbb\u7528\u3068\u624b\u9806<\/a>\u3067\u5b50\u30c6\u30fc\u30de\u306e\u6d3b\u7528\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30e9\u30b0\u30a4\u30f3\u306f\u4f55\u3092\u4f7f\u3048\u3070\u3044\u3044\u3067\u3059\u304b<\/h3>\n

Wordfence Security\uff08\u7121\u6599\u7248\uff09\u304c\u6700\u3082\u304a\u3059\u3059\u3081\u3067\u3059\u3002\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u30b9\u30ad\u30e3\u30f3\u3001\u30ed\u30b0\u30a4\u30f3\u8a66\u884c\u5236\u9650\u3001\u4e8c\u8981\u7d20\u8a8d\u8a3c\u306e\u6a5f\u80fd\u304c\u7121\u6599\u3067\u5229\u7528\u3067\u304d\u307e\u3059\u3002\u65e5\u672c\u8a9e\u74b0\u5883\u3067\u306e\u52d5\u4f5c\u3082\u5b89\u5b9a\u3057\u3066\u304a\u308a\u3001\u4e2d\u5c0f\u4f01\u696d\u30b5\u30a4\u30c8\u3067\u3042\u308c\u3070\u7121\u6599\u7248\u3067\u5341\u5206\u3067\u3059\u3002SiteGuard WP Plugin\u3068\u306e\u4f75\u7528\u3082\u52b9\u679c\u7684\u3067\u3001\u7ba1\u7406\u753b\u9762\u306eURL\u3092\u5909\u66f4\u3057\u3066\u4e0d\u6b63\u30ed\u30b0\u30a4\u30f3\u3092\u9632\u6b62\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u307e\u3068\u3081<\/h2>\n

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