{"id":23087,"date":"2019-05-07T22:59:04","date_gmt":"2019-05-08T05:59:04","guid":{"rendered":"https:\/\/kinsta.com\/?p=9910"},"modified":"2025-05-15T01:04:17","modified_gmt":"2025-05-14T16:04:17","slug":"php-versions","status":"publish","type":"post","link":"https:\/\/kinsta.com\/jp\/blog\/php-versions\/","title":{"rendered":"\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308bPHP\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4f7f\u7528\u3059\u308b\u91cd\u8981\u6027"},"content":{"rendered":"<p>PHP\u306f\u3001\u73fe\u5728\u30a6\u30a7\u30d6\u4e0a\u3067\u6700\u3082\u4eba\u6c17\u306e\u3042\u308b<a href=\"https:\/\/kinsta.com\/blog\/scripting-languages\/\">\u30b9\u30af\u30ea\u30d7\u30c8\u8a00\u8a9e<\/a>\u306e1\u3064\u3002<a href=\"https:\/\/w3techs.com\/technologies\/details\/pl-php\/all\/all\" target=\"_blank\" rel=\"noopener noreferrer\">W3Techs<\/a>\u306b\u3088\u308b\u3068\u3001<strong>PHP<\/strong>\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u8a00\u8a9e\u3092\u4f7f\u7528\u3059\u308b<strong>77\uff05\u4ee5\u4e0a\u306e\u30b5\u30a4\u30c8<\/strong><strong>\u3067\u4f7f\u7528<\/strong>\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u8a2a\u554f\u3059\u308b10\u30b5\u30a4\u30c8\u306e\u3046\u3061\u30018\u4ef6\u304c\u4f55\u3089\u304b\u306e\u5f62\u3067PHP\u3092\u4f7f\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/is-php-dead\/\" target=\"_blank\" rel=\"noopener noreferrer\">PHP\u304c\u4eca\u3082\u306a\u304a\u73fe\u5f79<\/a>\u3067\u3042\u308b\u3053\u3068\u3092\u7269\u8a9e\u308a\u307e\u3059\u3002\u305d\u3057\u3066\u3001WordPress\u306e\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3044\u3066\u3082\u3001CMS\u5168\u4f53\u304cPHP\u3067\u69cb\u7bc9\u3055\u308c\u3066\u304a\u308a\u3001\u975e\u5e38\u306b\u91cd\u8981\u306a\u5f79\u5272\u3092\u62c5\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4eca\u3059\u3050\u78ba\u8a8d\u3059\u308b\u306a\u3089\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/phpinfo\/\">phpinfo\u30da\u30fc\u30b8\u3092\u4f5c\u6210<\/a>\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>PHP\u306b\u95a2\u3059\u308b\u4eca\u65e5\u306e\u8ab2\u984c\u306f\u3001\u591a\u304f\u306e\u4f01\u696d\u3001\u958b\u767a\u8005\u3001\u305d\u3057\u3066\u30b5\u30fc\u30d0\u30fc\u306e\u9593\u3067\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u30b5\u30dd\u30fc\u30c8\u304c\u5fb9\u5e95\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u306b\u3042\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u3053\u308c\u304b\u3089\u3054\u7d39\u4ecb\u3059\u308b\u7d71\u8a08\u60c5\u5831\u306e\u4e2d\u306b\u306f\u3001\u3042\u307e\u308a\u77e5\u3089\u308c\u3066\u3044\u306a\u3044\u9a5a\u304d\u306e\u4e8b\u5b9f\u3082\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u7406\u7531\u306b\u9650\u3089\u305a\u3001\u3088\u308a\u826f\u3044\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30b5\u30dd\u30fc\u30c8\u306e\u305f\u3081\u306b\u3001\u65b0\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306ePHP\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306e\u91cd\u8981\u6027\u3092\u8a73\u3057\u304f\u3054\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><a href=\"#old-php-versions\">\u65e7\u30d0\u30fc\u30b8\u30e7\u30f3\u306ePHP\u304c\u5b58\u5728\u3059\u308b\u7406\u7531<\/a><\/li>\n<li><a href=\"#why-you-should-update-php-versions\">PHP\u3092\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3059\u3079\u304d\u7406\u7531<\/a><\/li>\n<li><a href=\"#host-latest-php-version\">\u30b5\u30fc\u30d0\u30fc\u3067\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306ePHP\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d<\/a><\/li>\n<li><a href=\"#check-current-php-version\">PHP\u306e\u73fe\u5728\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5<\/a><\/li>\n<li><a href=\"#what-should-you-do\">\u5c02\u9580\u77e5\u8b58\u306b\u6b20\u3051\u308b\u3001\u307e\u305f\u306f\u4e88\u7b97\u304c\u306a\u3044\u5834\u5408<\/a><\/li>\n<li><a href=\"#how-to-update-php\">PHP\u3092\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3059\u308b\u65b9\u6cd5<\/a><\/li>\n<\/ul>\n<h2 id=\"old-php-versions\">\u65e7\u30d0\u30fc\u30b8\u30e7\u30f3\u306ePHP<\/h2>\n<p>\u4ed6\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3068\u540c\u69d8\u3001PHP\u306b\u3082\u30ea\u30ea\u30fc\u30b9\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u304c\u3042\u308a\u3001\u3053\u308c\u3092\u9075\u5b88\u3059\u308b\u3053\u3068\u3067\u3001\u3055\u3089\u306a\u308b\u9032\u5316\u3068\u6539\u5584\u3092\u7e70\u308a\u8fd4\u3059\u3053\u3068\u304c\u3067\u304d\u3066\u3044\u307e\u3059\u3002PHP\u306e\u5404\u30e1\u30b8\u30e3\u30fc\u30ea\u30ea\u30fc\u30b9\u306f\u3001\u901a\u5e38\u3001\u30ea\u30ea\u30fc\u30b9\u5f8c\u306e<a href=\"http:\/\/php.net\/supported-versions.php\" target=\"_blank\" rel=\"noopener noreferrer\">2\u5e74\u9593\u30b5\u30dd\u30fc\u30c8<\/a>\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u9593\u3001\u30d0\u30b0\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u554f\u984c\u304c\u5b9a\u671f\u7684\u306b\u4fee\u6b63\u3055\u308c\u3001\u30d1\u30c3\u30c1\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_155361\" aria-describedby=\"caption-attachment-155361\" style=\"width: 1200px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-155361 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/05\/supported-php-versions-2023.png\" alt=\"WordPress\u304c\u30b5\u30dd\u30fc\u30c8\u3059\u308bPHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\" width=\"1200\" height=\"745\"><figcaption id=\"caption-attachment-155361\" class=\"wp-caption-text\">WordPress\u304c\u30b5\u30dd\u30fc\u30c8\u3059\u308bPHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3<\/figcaption><\/figure>\n<p>\u3088\u308a\u65b0\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306ePHP\u306e\u5bfe\u5fdc\u72b6\u6cc1\u3082\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_155414\" aria-describedby=\"caption-attachment-155414\" style=\"width: 1200px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-155414 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/03\/current-supported-php-versions.png\" alt=\"\u73fe\u5728\u306ePHP\u30d0\u30fc\u30b8\u30e7\u30f3\u5bfe\u5fdc\u72b6\u6cc1\" width=\"1200\" height=\"235\"><figcaption id=\"caption-attachment-155414\" class=\"wp-caption-text\">\u73fe\u5728\u306ePHP\u30d0\u30fc\u30b8\u30e7\u30f3\u5bfe\u5fdc\u72b6\u6cc1<\/figcaption><\/figure>\n<h3>PHP 5.6\u30017.0\u30017.1\u30017.2\u30017.3\u30017.4\u306e\u30b5\u30dd\u30fc\u30c8\u7d42\u4e86<\/h3>\n<p>\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b5\u30dd\u30fc\u30c8\u7d42\u4e86\uff08EOL\uff09\u306f\u3001\u30d1\u30c3\u30c1\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8106\u5f31\u6027\u306b\u3055\u3089\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u5404\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u30b5\u30dd\u30fc\u30c8\u7d42\u4e86\u65e5\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>PHP 7.4\uff1a2022\u5e7411\u670828\u65e5<\/li>\n<li>PHP 7.3\uff1a2021\u5e7412\u67086\u65e5<\/li>\n<li>PHP 7.2\uff1a2020\u5e7411\u670830\u65e5<\/li>\n<li>PHP 7.1\uff1a2019\u5e7412\u67081\u65e5<\/li>\n<li>PHP 7.0\uff1a2018\u5e7412\u67083\u65e5<\/li>\n<li>PHP 5.6\uff1a2018\u5e7412\u670831\u65e5\uff08\u6700\u521d\u306e\u30d0\u30fc\u30b8\u30e7\u30f35\u7cfb\u3067\u3042\u308b5.0\u306f14\u5e74\u524d\u306b\u30ea\u30ea\u30fc\u30b9\u3002\u3053\u308c\u3067\u5b8c\u5168\u306bPHP 5\u7cfb\u304c\u7d42\u4e86\uff09<\/li>\n<\/ul>\n<p>\u516c\u5f0f\u306e<a href=\"https:\/\/wordpress.org\/about\/stats\/\" target=\"_blank\" rel=\"noopener noreferrer\">WordPress\u7d71\u8a08\u60c5\u5831<\/a>\u306b\u3088\u308b\u3068\u3001\u3053\u306e\u8a18\u4e8b\u3092\u57f7\u7b46\u6642\u70b9\u3067\u3001<strong>55%\u4ee5\u4e0a\u306eWordPress\u30e6\u30fc\u30b6\u30fc\u304c\u672a\u3060PHP 7.4\u4ee5\u4e0b\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4f7f\u7528<\/strong>\u3057\u3066\u3044\u307e\u3059\u3002\u30b5\u30dd\u30fc\u30c8\u304c\u7d42\u4e86\u3057\u3066\u3044\u308b\u4ed6\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3082\u52a0\u5473\u3059\u308b\u3068\u30012022\u5e7411\u6708\u6642\u70b9\u3067\u306a\u3093\u306885\uff05\u3082\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u30b5\u30dd\u30fc\u30c8\u304c\u7d42\u4e86\u3057\u3066\u3044\u308b\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>WordPress\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u4ee5\u5916\u306e\u7d71\u8a08\u306b\u6ce8\u76ee\u3059\u308b\u3068\u3001\u3055\u3089\u306b\u9a5a\u304d\u306e\u4e8b\u5b9f\u304c\u3002<a href=\"https:\/\/w3techs.com\/technologies\/details\/pl-php\/all\/all\" target=\"_blank\" rel=\"noopener noreferrer\">W3Techs<\/a>\u306b\u3088\u308b\u3068\u3001PHP\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u30b5\u30a4\u30c8\u306e22.9%\u3067\u672a\u3060PHP 5\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u89b3\u70b9\u3067\u597d\u307e\u3057\u304f\u306a\u3044\u3060\u3051\u3067\u306a\u304f\u3001\u591a\u304f\u306eWordPress\u30b5\u30a4\u30c8\u304cPHP 8.2\u306b\u3088\u308b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u306e\u6069\u6075\u3092\u307e\u3060\u53d7\u3051\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_155418\" aria-describedby=\"caption-attachment-155418\" style=\"width: 1200px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-155418 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/03\/php-version-stats.png\" alt=\"WordPress\u306ePHP\u30d0\u30fc\u30b8\u30e7\u30f3\u7d71\u8a08\" width=\"1200\" height=\"672\"><figcaption id=\"caption-attachment-155418\" class=\"wp-caption-text\">WordPress\u306ePHP\u30d0\u30fc\u30b8\u30e7\u30f3\u7d71\u8a08<\/figcaption><\/figure>\n<h3>\u6700\u65b0\u306ePHP\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u5c0e\u5165\u304c\u9045\u308c\u3066\u3044\u308b\u7406\u7531<\/h3>\n<p>\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u63a1\u7528\u304c\u9045\u308c\u3066\u3044\u308b\u306e\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3055\u307e\u3056\u307e\u306a\u539f\u56e0\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<ul style=\"margin-left: 30px\">\n<li>Kinsta\u306b\u79fb\u884c\u3057\u305f\u304a\u5ba2\u69d8\u306b\u591a\u3044\u7406\u7531\u3068\u3057\u3066\u3001\u4e8b\u696d\u7d4c\u55b6\u8005\u304c<strong>PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u77e5\u3089\u306a\u3044\u3001\u307e\u305f\u306f\u91cd\u8981\u6027\u306b\u6c17\u3065\u3044\u3066\u3044\u306a\u3044<\/strong>\u2500\u3059\u3079\u3066\u306e\u30e6\u30fc\u30b6\u30fc\u304cPHP\u306b\u7cbe\u901a\u3057\u3066\u3044\u308b\u3068\u3044\u3046\u306e\u306f\u8003\u3048\u306b\u304f\u3044\u305f\u3081\u3001\u3053\u306e\u7406\u7531\u306b\u306f\u7d0d\u5f97\u3067\u3059\u3002\u4e00\u822c\u7684\u306b\u3001\u3053\u306e\u8cac\u4efb\u306f\u3001\u958b\u767a\u8005\u3001Web\u5236\u4f5c\u4f1a\u793e\u3001\u307e\u305f\u306f\u30b5\u30fc\u30d0\u30fc\u306b\u3042\u308a\u307e\u3059\u3002<\/li>\n<li>\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306e<strong>PHP\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u30b3\u30fc\u30c9\u306e\u66f4\u65b0\u306b\u306f\u624b\u9593\u304c\u304b\u304b\u308b<\/strong>\u2500\u3053\u308c\u306b\u306f\u3001\u30b5\u30a4\u30c8\u3001\u30c6\u30fc\u30de\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u958b\u767a\u8005\u306b\u3082\u5f53\u3066\u306f\u307e\u308a\u307e\u3059\u3002<\/li>\n<li>\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u3001\u6642\u9593\u306e\u304b\u304b\u308b\u30b3\u30fc\u30c9\u306e\u66f4\u65b0\u3060\u3051\u3067\u306a\u304f\u3001<strong>\u4e92\u63db\u6027\u78ba\u8a8d\u306e\u305f\u3081\u306b\u5927\u898f\u6a21\u306a\u30c6\u30b9\u30c8\u304c\u5fc5\u8981<\/strong>\u306b\u306a\u308b\u2500WordPress\u306e\u30ea\u30dd\u30b8\u30c8\u30ea\u3060\u3051\u3067\u3082\u30014\u4e079,000\u4ee5\u4e0a\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li>\u4e07\u304c\u4e00\u30b5\u30a4\u30c8\u304c\u7834\u640d\u3057\u305f\u5834\u5408\u306e\u5bfe\u5fdc\u3092\u6050\u308c\u3001\u591a\u304f\u306e<strong>WordPress\u7279\u5316\u578b\u30b5\u30fc\u30d0\u30fc\u304c\u3001PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u66f4\u65b0\u306b\u6d88\u6975\u7684<\/strong>\u2500<a href=\"https:\/\/sevalla.com\/application-hosting\/\">\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b5\u30fc\u30d0\u30fc<\/a>\u3001<a href=\"https:\/\/sevalla.com\/database-hosting\/\">\u30de\u30cd\u30fc\u30b8\u30c9\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b5\u30fc\u30d0\u30fc<\/a>\u3001<a href=\"https:\/\/kinsta.com\/jp\/wordpress-hosting\/\">WordPress\u5c02\u7528\u30de\u30cd\u30fc\u30b8\u30c9\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d0\u30fc<\/a>\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u79c1\u305f\u3061\u306b\u3068\u3063\u3066\u3001\u3053\u308c\u306f\u308f\u304b\u3089\u306a\u304f\u3082\u306a\u3044\u7406\u7531\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u5b9f\u969b\u306b\u306f\u3053\u306e\u9006\u3067\u3001\u666e\u6bb5\u79c1\u305f\u3061\u304c\u591a\u304f\u76ee\u306b\u3059\u308b\u306e\u306f\u3001\u3080\u3057\u308d\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306ePHP\u304c\u5f15\u304d\u8d77\u3053\u3059\u554f\u984c\u3067\u3059\u3002<\/li>\n<li>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3084\u4ed6\u306e\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30a2\u30d7\u30ea\u306e\u66f4\u65b0\u306b<strong>\u30ea\u30bd\u30fc\u30b9\u3092\u8cbb\u3084\u3057\u305f\u304f\u306a\u3044<\/strong>\u305f\u3081\u306b\u3001\u958b\u767a\u8005\u3084Web\u5236\u4f5c\u4f1a\u793e\u304c\u7acb\u3061\u5f80\u751f\u3057\u3066\u3044\u308b<\/li>\n<\/ul>\n<p>\u3068\u306f\u8a00\u3048\u3001\u4e0a\u8a18\u306e\u7406\u7531\u3092\u8e0f\u307e\u3048\u3066\u3082\u3001\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u65e7\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u7d9a\u3051\u308b\u3053\u3068\u306e\u8a00\u3044\u8a33\u306b\u306f\u306a\u3089\u305a\u3001\u3053\u308c\u304c\u539f\u56e0\u3067WordPress\u30b5\u30a4\u30c8\u306e\u901f\u5ea6\u304c\u4f4e\u4e0b\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<a href=\"https:\/\/kinsta.com\/jp\/php-market-share\/\">PHP\u306f\u73fe\u5728\u3082\u5927\u304d\u306a\u5e02\u5834\u30b7\u30a7\u30a2\u3092\u5360\u3081\u3066<\/a>\u304a\u308a\u3001\u7136\u308b\u3079\u304d\u5bfe\u51e6\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<h2 id=\"why-you-should-update-php-versions\">PHP\u3092\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3059\u3079\u304d\u7406\u7531<\/h2>\n<p>\u307e\u3060\u65b0\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306ePHP\u3092\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u65b9\u306f\u3001\u4ee5\u4e0b\u306e\u7406\u7531\u3092\u8e0f\u307e\u3048\u3066\u3001\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3092\u691c\u8a0e\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>1. \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/h3>\n<p>\u307e\u305a\u6700\u3082\u91cd\u8981\u306a\u7406\u7531\u306f\u3001\u30b5\u30dd\u30fc\u30c8\u304c\u3042\u308a\u3001<strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8106\u5f31\u6027<\/strong>\u306e\u30d1\u30c3\u30c1\u304c\u5b9a\u671f\u7684\u306b\u9069\u7528\u3055\u308c\u308b\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30b5\u30a4\u30c8\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b89\u5168\u306b\u5b9f\u884c\u3067\u304d\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002PHP 5.4\u306b\u306f2015\u5e74\u4ee5\u964d\u3001PHP 5.5\u306b\u306f2016\u5e74\u4ee5\u964d\u3001<a href=\"http:\/\/php.net\/supported-versions.php\" target=\"_blank\" rel=\"noopener noreferrer\">\u30d1\u30c3\u30c1<\/a>\u306e\u9069\u7528\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001\u4e00\u90e8\u306eOS\u30d9\u30f3\u30c0\u30fc\u3067\u306f\u3001\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306ePHP\u3092\u642d\u8f09\u3057\u3001\u73fe\u5728\u3082\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3092\u884c\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"http:\/\/www.cvedetails.com\/product\/128\/PHP-PHP.html?vendor_id=74\" target=\"_blank\" rel=\"noopener noreferrer\">CVE Details<\/a>\u306b\u3088\u308b\u3068\u30012016\u5e74\u306f\u7279\u306bPHP\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8106\u5f31\u6027\u306e\u554f\u984c\u304c\u591a\u304f\u767a\u751f\u3057\u305f\u5e74\u3067\u3001100\u4ef6\u4ee5\u4e0a\u304c\u5831\u544a\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u308c\u306b\u306f\u3001DoS\u3001\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u3001\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3001\u30e1\u30e2\u30ea\u7834\u58ca\u3001XSS\u3001\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u3001\u30d0\u30a4\u30d1\u30b9\u3001\u578b\u60c5\u5831\u306e\u53d6\u5f97\u306a\u3069\u304c\u542b\u307e\u308c\u307e\u3059\u30022017\u5e74\u30822000\u5e74\u4ee5\u964d3\u756a\u76ee\u306b\u554f\u984c\u306e\u6570\u304c\u591a\u3044\u5e74\u3067\u300140\u4ef6\u4ee5\u4e0a\u306e\u8106\u5f31\u6027\u304c\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_143174\" aria-describedby=\"caption-attachment-143174\" style=\"width: 1852px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-143174 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/03\/php-vulnerabilities-by-year-4.png\" alt=\"PHP\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8106\u5f31\u6027\u306e\u5e74\u5225\u63a8\u79fb\" width=\"1852\" height=\"1270\"><figcaption id=\"caption-attachment-143174\" class=\"wp-caption-text\">PHP\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8106\u5f31\u6027\u306e\u5e74\u5225\u63a8\u79fb<\/figcaption><\/figure>\n<p>\u5e38\u306b\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306b\u3064\u3044\u3066\u3001PHP\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8ff0\u3079\u3066\u3044\u307e\u3059\u3002<\/p>\n<blockquote style=\"margin-left: 30px;font-size: 1em\"><p>PHP \u306f\u3001\u4ed6\u306e\u5927\u898f\u6a21\u306a\u30b7\u30b9\u30c6\u30e0\u3068\u540c\u69d8\u306b\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u78ba\u4fdd\u3057\u3064\u3064 \u6539\u826f\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u306f\u3057\u3070\u3057\u3070\u5927\u898f\u6a21\u3042\u308b\u3044\u306f\u5c0f\u898f\u6a21\u306a \u5909\u66f4\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u5185\u5bb9\u306f\u3001<strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u6a5f\u80fd\u8ffd\u52a0<\/strong>\u3067\u3042\u3063\u305f\u308a \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u554f\u984c\u30fb\u8a2d\u5b9a\u306e\u4e0d\u5099\u30fb\u305d\u306e\u4ed6\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3084 \u5b89\u5b9a\u6027\u306b\u304b\u304b\u308f\u308b<strong>\u554f\u984c\u306e\u4fee\u6b63<\/strong>\u3067\u3042\u3063\u305f\u308a\u3057\u307e\u3059\u3002\u4ed6\u306e\u30b7\u30b9\u30c6\u30e0\u30ec\u30d9\u30eb\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u8a00\u8a9e\u3084\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u540c\u69d8\u306b\u3001\u6700\u5584\u306e \u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u3001\u983b\u7e41\u306b\u66f4\u65b0\u3057\u3001\u6700\u65b0\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u305d\u306e\u5909\u66f4\u3092 \u6ce8\u8996\u3057\u7d9a\u3051\u308b\u3053\u3068\u3067\u3059\u3002\uff08PHP\u516c\u5f0f\u30b5\u30a4\u30c8<a href=\"http:\/\/php.net\/manual\/en\/security.current.php\">\u300e\u6700\u65b0\u7248\u3092\u7dad\u6301\u3059\u308b\u300f<\/a>\u3088\u308a\uff09<\/p><\/blockquote>\n<p>\u4f75\u305b\u3066\u3001<a href=\"https:\/\/kinsta.com\/blog\/php-memory-limit\/\">WordPress\u30b5\u30a4\u30c8\u3067PHP\u30e1\u30e2\u30ea\u4e0a\u9650\u3092\u4e0a\u3052\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066<\/a>\u3082\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>2. \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/h3>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/php-7-2\/\" target=\"_blank\" rel=\"noopener noreferrer\">PHP 7.2<\/a>\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/php-7-3\/\" target=\"_blank\" rel=\"noopener noreferrer\">7.3<\/a>\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/php-7-4\/\">7.4<\/a>\u3001\u305d\u3057\u3066<a href=\"https:\/\/kinsta.com\/jp\/blog\/php-8\/\">8.0<\/a>\u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305f\u3053\u3068\u3067\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5927\u5e45\u306b\u6539\u5584\u3055\u308c\u307e\u3057\u305f\u30028.1\u3067\u306f\u3001\u3055\u3089\u306b\u5411\u4e0a\u3057\u3001\u6700\u8fd1\u3067\u306f8.2\u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305f\u3070\u304b\u308a\u3067\u3059\u3002PHP\u306e\u65b0\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u5c0e\u5165\u306f\u3001WordPress\u30b5\u30a4\u30c8\u3067\u884c\u3046\u3055\u307e\u3056\u307e\u306a\u6700\u9069\u5316\u3088\u308a\u3082\u306f\u308b\u304b\u306b\u91cd\u8981\u3067\u3042\u308a\u3001\u512a\u5148\u3057\u3066\u884c\u308f\u308c\u308b\u3079\u304d\u3067\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001Kinsta\u3067\u306f\u3001\u72ec\u81ea\u306b<a href=\"https:\/\/kinsta.com\/jp\/blog\/php-benchmarks\/\" target=\"_blank\" rel=\"noopener noreferrer\">PHP\u30d9\u30f3\u30c1\u30de\u30fc\u30af<\/a>\u3082\u5b9f\u65bd\u3057\u3066\u3044\u307e\u3059\u3002\u4e0a\u8a18\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u3068\u540c\u69d8\u3001PHP 8.0\u30688.1\u306f\u3001\u65e7\u30d0\u30fc\u30b8\u30e7\u30f3\u3088\u308a\u30821\u79d2\u3042\u305f\u308a\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\uff08\u30ea\u30af\u30a8\u30b9\u30c8\uff09\u304c\u304b\u306a\u308a\u9ad8\u901f\u3067\u5b9f\u884c\u3055\u308c\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>Kinsta\u3067\u306f\u3001PHP 7.4\u306f\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u30d0\u30fc\u30b8\u30e7\u30f37.4, 8.0, 8.1, 8.2, 8.3, 8.4 , 8.5\u3092\u304a\u4f7f\u3044\u3044\u305f\u3060\u3051\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_143180\" aria-describedby=\"caption-attachment-143180\" style=\"width: 1024px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-143180 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/03\/PHP-Benchmarks_graphs_WP-5.9-RC2.png\" alt=\"WordPress 5.9-RC2\u306ePHP\u30d9\u30f3\u30c1\u30de\u30fc\u30af\" width=\"1024\" height=\"689\"><figcaption id=\"caption-attachment-143180\" class=\"wp-caption-text\">WordPress 5.9-RC2\u306ePHP\u30d9\u30f3\u30c1\u30de\u30fc\u30af<\/figcaption><\/figure>\n<p>\u307e\u305f\u3001Christian Vigh\u6c0f\u3082<a href=\"https:\/\/www.phpclasses.org\/blog\/post\/493-php-performance-evolution.html\" target=\"_blank\" rel=\"noopener noreferrer\">PHP\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6bd4\u8f03<\/a>\u3092\u884c\u306a\u3063\u3066\u304a\u308a\u3001PHP 5.2\u306f\u3001PHP 7\u306b\u6bd4\u3079\u3066400%\u3082\u9045\u3044\u3053\u3068\u3092\u660e\u3089\u304b\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_9927\" aria-describedby=\"caption-attachment-9927\" style=\"width: 1197px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9927 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/03\/cpu-benchmarks-php-versions.png\" alt=\"\u7d14\u7c8b\u306aCPU\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u306e\u6bd4\u8f03\" width=\"1197\" height=\"617\"><figcaption id=\"caption-attachment-9927\" class=\"wp-caption-text\">\u7d14\u7c8b\u306aCPU\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u306e\u6bd4\u8f03<\/figcaption><\/figure>\n<h3>3. \u30b5\u30dd\u30fc\u30c8<\/h3>\n<p>\u30b5\u30dd\u30fc\u30c8\u306e\u6709\u7121\u3082\u6700\u65b0\u306ePHP\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u305f\u3044\u7406\u7531\u3068\u3057\u3066\u6319\u3052\u3089\u308c\u307e\u3059\u3002\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u30c6\u30fc\u30de\u306e\u958b\u767a\u8005\u306b\u306f\u3001\u5927\u62b5\u3001\u6642\u9593\u7684\u306a\u5236\u7d04\u304c\u3042\u308a\u3001\u4e92\u63db\u6027\u306e\u30c6\u30b9\u30c8\u3092\u884c\u3046\u6642\u9593\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u65e7\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u30b5\u30dd\u30fc\u30c8\u306b\u306f\u9650\u754c\u304c\u3042\u308a\u307e\u3059\u3002\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4f7f\u3063\u3066\u30a2\u30d7\u30ea\u3084\u30b5\u30a4\u30c8\u3092\u5b9f\u884c\u3057\u7d9a\u3051\u3066\u3044\u308b\u3068\u3001\u3044\u305a\u308c\u7834\u640d\u304c\u751f\u3058\u308b\u6050\u308c\u304c\u3042\u308a\u307e\u3059\u3002WordPress\u306e\u30d5\u30a9\u30fc\u30e9\u30e0\u3067\u306f\u3001\u5b9f\u969b\u306e\u4e8b\u4f8b\u304c\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u3067\u3001\u65e7\u30d0\u30fc\u30b8\u30e7\u30f3\u306ePHP\u306b\u3088\u308b\u7279\u5b9a\u306e\u95a2\u6570\u306e\u6271\u3044\u65b9\u306b\u3088\u3063\u3066\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-php\">Parse error: syntax error, unexpected \u2018\u2019 (T_VARIABLE), expecting function (T_FUNCTION) in \/pub\/file.php on line xxx<\/code><\/pre>\n<p>\u30d5\u30a9\u30fc\u30e9\u30e0\u3067\u300c<a href=\"https:\/\/wordpress.org\/search\/unexpected+T_Function\/?forums=1\" target=\"_blank\" rel=\"noopener noreferrer\">unexpected T_Function<\/a>\u300d\u3068\u691c\u7d22\u3059\u308b\u3068\u30012,000\u4ef6\u4ee5\u4e0a\u306e\u30b9\u30ec\u30c3\u30c9\u304c\u30d2\u30c3\u30c8\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u6700\u8fd1\u306e\u5831\u544a\u3055\u308c\u305f\u3082\u306e\u3067\u3001\u3044\u305a\u308c\u3082PHP\u306e\u65e7\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u4f7f\u7528\u304c\u539f\u56e0\u3067\u3059\u3002<\/p>\n<ul style=\"margin-left: 30px\">\n<li class=\"page-title\"><a href=\"https:\/\/wordpress.org\/support\/topic\/broke-site-after-most-recent-update\/\" target=\"_blank\" rel=\"noopener noreferrer\">Hustle\u30d7\u30e9\u30b0\u30a4\u30f3<\/a><\/li>\n<li class=\"page-title\"><a href=\"https:\/\/wordpress.org\/support\/topic\/not-good-82\/\" target=\"_blank\" rel=\"noopener noreferrer\">Content Locker\u30d7\u30e9\u30b0\u30a4\u30f3<\/a><\/li>\n<li class=\"page-title\"><a href=\"https:\/\/wordpress.org\/support\/topic\/1-4-throws-error-disables-site-error-at-ihaf-php-on-line-102\/\" target=\"_blank\" rel=\"noopener noreferrer\">Insert Headers and Footers\u30d7\u30e9\u30b0\u30a4\u30f3<\/a><\/li>\n<\/ul>\n<p>\u30d5\u30a9\u30fc\u30e9\u30e0\u306e\u30b9\u30ec\u30c3\u30c9\u306e\u591a\u304f\u3067\u306f\u3001\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306ePHP\u3067\u8d77\u3053\u3063\u305f\u554f\u984c\u306b\u3064\u3044\u3066\u8a9e\u3089\u308c\u3066\u3044\u307e\u3059\u304c\u3001PHP 7\u3068\u306e\u4e92\u63db\u6027\u306e\u554f\u984c\u306b\u304b\u3093\u3059\u308b\u30b9\u30ec\u30c3\u30c9\u3082\u591a\u6570\u898b\u3089\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u3001WordPress\u306e\u958b\u767a\u8005\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u304c\u3001\u65b0\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306ePHP\u3092\u672a\u3060\u5b8c\u5168\u306b\u5c0e\u5165\u3067\u304d\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u793a\u5506\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>4. \u958b\u767a\u8005\u5411\u3051\u65b0\u6a5f\u80fd<\/h3>\n<p>\u591a\u304f\u306eWordPress\u958b\u767a\u8005\u306f\u3001\u3067\u304d\u308c\u3070\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306ePHP\u3092\u5c0e\u5165\u3057\u305f\u3044\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002\u3068\u3044\u3046\u306e\u3082\u3001PHP 5.2\u3068<a href=\"https:\/\/kinsta.com\/jp\/blog\/php-7-4\/\" target=\"_blank\" rel=\"noopener noreferrer\">PHP 7.4<\/a>\u306e\u9593\u306b\u306f\u3001\u65b0\u6a5f\u80fd\u304c\u6570\u591a\u304f\u8ffd\u52a0\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001PHP 7\u30687.3\u3067\u306e\u5909\u66f4\u70b9\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul style=\"margin-left: 30px\">\n<li>\u8907\u5408\u6bd4\u8f03\u6f14\u7b97\u5b50<\/li>\n<li>Null coalesce\u6f14\u7b97\u5b50<\/li>\n<li>\u8ffd\u52a0\u306e\u578b\u5ba3\u8a00\uff08\u30bf\u30a4\u30d7\u30d2\u30f3\u30c6\u30a3\u30f3\u30b0\uff09<\/li>\n<li>\u7121\u540d\u30af\u30e9\u30b9<\/li>\n<li>Null\u8a31\u5bb9\u578b<\/li>\n<li>iterabl\u578b\u3068void\u578b\u306e\u623b\u308a\u5024<\/li>\n<li>\u8907\u6570\u306ecatch\u30d6\u30ed\u30c3\u30af\u3092\u4f7f\u7528\u3057\u305f\u4f8b\u5916\u51e6\u7406<\/li>\n<li>list\u3067\u4f7f\u7528\u53ef\u80fd\u306a\u30ad\u30fc<\/li>\n<li>\u8ffd\u52a0\u306e\u8ca0\u306e\u6587\u5b57\u5217\u30aa\u30d5\u30bb\u30c3\u30c8<\/li>\n<li>\u6570\u5024\u6f14\u7b97\u5b50\u3068\u4e0d\u6b63\u306a\u6570\u5024<\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/learn\/what-is-http2\/\" target=\"_blank\" rel=\"noopener noreferrer\">HTTP\/2\u30b5\u30fc\u30d0\u30fc\u30d7\u30c3\u30b7\u30e5<\/a><\/li>\n<li>Preload\u6a5f\u80fd<\/li>\n<li>\u914d\u5217\u5f0f\u306e\u30b9\u30d7\u30ec\u30c3\u30c9\u6f14\u7b97\u5b50<\/li>\n<li>\u30a2\u30ed\u30fc\u95a2\u6570 2.0\uff08\u77ed\u3044\u30af\u30ed\u30fc\u30b8\u30e3\uff09<\/li>\n<li>Null\u5408\u4f53\u6f14\u7b97\u5b50<\/li>\n<li>\u578b\u4ed8\u304d\u30d7\u30ed\u30d1\u30c6\u30a3 2.0<\/li>\n<li>\u5f31\u53c2\u7167<\/li>\n<li>\u5171\u5909\u623b\u308a\u5024\u3068\u53cd\u5909\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc<\/li>\n<li>\u65b0\u305f\u306a\u30ab\u30b9\u30bf\u30e0\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30b7\u30ea\u30a2\u30eb\u5316<\/li>\n<\/ul>\n<p>\u65e7\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u30b5\u30dd\u30fc\u30c8\u306b\u306f\u307b\u3068\u3093\u3069\u610f\u5473\u304c\u306a\u3044\u306e\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u591a\u304f\u306e\u958b\u767a\u8005\u306f\u3001\u3053\u306e\u3088\u3046\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u8907\u6570\u30b5\u30dd\u30fc\u30c8\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3068\u3044\u3046\u306e\u304c\u5b9f\u60c5\u3067\u3059\u3002<\/p>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/php-8\/\">PHP 8.0<\/a>\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u6a5f\u80fd\u3092\u7b46\u982d\u306b\u3001\u3055\u3089\u306b\u591a\u304f\u306e\u65b0\u6a5f\u80fd\u304c\u642d\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u540d\u524d\u4ed8\u304d\u5f15\u6570<\/li>\n<li>union\u578b<\/li>\n<li>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u6607\u683c\u6a5f\u80fd<\/li>\n<li>\u30ab\u30b9\u30bf\u30e0\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30b7\u30ea\u30a2\u30eb\u5316<\/li>\n<li>match\u5f0f<\/li>\n<li>null\u5b89\u5168\u30aa\u30da\u30ec\u30fc\u30bf<\/li>\n<li>\u578b\u30b7\u30b9\u30c6\u30e0\u304a\u3088\u3073\u30a8\u30e9\u30fc\u51e6\u7406\u306e\u6539\u5584<\/li>\n<\/ul>\n<p>\u305d\u3057\u3066\u3001\u3059\u3050\u3053\u306e\u5f8c\u306b<a href=\"https:\/\/kinsta.com\/blog\/php-8-1\/\">PHP 8.1<\/a>\u3068<a href=\"https:\/\/kinsta.com\/jp\/blog\/php-8-2\/\">8.2<\/a>\u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u3066\u304a\u308a\u3001\u3044\u305a\u308c\u3082\u65b0\u6a5f\u80fd\u3001\u975e\u63a8\u5968\u6a5f\u80fd\u3001\u5909\u66f4\u70b9\u3092\u542b\u307f\u307e\u3059\u3002<\/p>\n<h2 id=\"host-latest-php-version\">\u30b5\u30fc\u30d0\u30fc\u3067\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306ePHP\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b<\/h2>\n<p>\u767a\u8868\u307e\u3067\u306b\u6642\u9593\u306f\u304b\u304b\u3063\u305f\u3082\u306e\u306e\u3001<a href=\"https:\/\/wordpress.org\/about\/requirements\/\" target=\"_blank\" rel=\"noopener noreferrer\">WordPress.org \u306e\u516c\u5f0f\u8981\u4ef6<\/a>\u3067\u306f\u3001<strong>PHP \u30d0\u30fc\u30b8\u30e7\u30f37.4\u4ee5\u4e0a\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u306e\u5229\u7528\u3092\u63a8\u5968<\/strong>\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Yoast SEO\u304c\u300e<a href=\"https:\/\/yoast.com\/whipping-your-hosting-into-shape\/\" target=\"_blank\" rel=\"noopener noreferrer\">Whipping Your Host Into Shape<\/a>\uff08\u30b5\u30fc\u30d0\u30fc\u306e\u4f53\u5236\u3092\u9069\u5207\u306b\u6574\u3048\u308b\u306b\u306f\uff09\u300f\u3068\u3044\u3046\u7d20\u6674\u3089\u3057\u3044\u8a18\u4e8b\u3092\u516c\u958b\u3057\u3066\u3044\u307e\u3059\u3002\u8a18\u4e8b\u306e\u4e2d\u3067\u3001Joost de Valk\u6c0f\u306f\u3001\u771f\u306e\u554f\u984c\u306a\u306e\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u4f1a\u793e\u304c\u65e9\u304f\u63a1\u7528\u3057\u306a\u3044\u3053\u3068\u3001\u63a1\u7528\u3057\u3066\u3044\u305f\u3068\u3057\u3066\u3082\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3092\u63a8\u5968\u3057\u3066\u3044\u306a\u3044\u3053\u3068\u3067\u3042\u308b\u3068\u6307\u6458\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3092\u53d7\u3051\u3001Yoast SEO 4.5\u3067\u306f\u3001PHP 5.2\u3067\u52d5\u4f5c\u3057\u3066\u3044\u308bWordPress\u30b5\u30a4\u30c8\u306e\u7ba1\u7406\u753b\u9762\u306b\u901a\u77e5\u304c\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u901a\u77e5\u306f\u5927\u304d\u304f\u76ee\u7acb\u3064\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u3001\u9b31\u9676\u3057\u304f\u3066\u3082\u6d88\u3059\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u4ed5\u69d8\u3067\u3059\u3002<\/p>\n<p>Yoast\u306fKinsta\u3082\u4fe1\u983c\u3092\u5bc4\u305b\u308b\u512a\u79c0\u306a\u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u3059\u3002Kinsta\u306f\u3001\u5b89\u5b9a\u7248\u306e\u30ea\u30ea\u30fc\u30b9\u3054\u3068\u306bPHP\u306e\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><strong>\u6700\u65b0\u60c5\u5831<\/strong>\uff09 <a href=\"https:\/\/kinsta.com\/jp\/changelog\/php-8-2-now-available\/\">PHP 8.2\uff08\u6b63\u5f0f\u30ea\u30ea\u30fc\u30b9\uff09<\/a>\u306f\u3001Kinsta\u306e\u3059\u3079\u3066\u306e\u304a\u5ba2\u69d8\u306b\u3054\u5229\u7528\u3044\u305f\u3060\u3051\u307e\u3059\u3002\u306a\u304a\u3001PHP 7.3\u306e\u30b5\u30dd\u30fc\u30c8\u306f\u7d42\u4e86\u3057\u3066\u304a\u308a\u3001\u73fe\u5728PHP 7.4, 8.0, 8.1, 8.2, 8.3, 8.4 , 8.5\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u79c1\u305f\u3061\u306f\u3001\u696d\u754c\u3067\u6700\u901f\u304b\u3064\u6700\u3082\u5b89\u5168\u306a\u74b0\u5883\u3092\u304a\u5ba2\u69d8\u306b\u63d0\u4f9b\u3059\u308b\u3053\u3068\u306b\u5c02\u5ff5\u3057\u3066\u3044\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u3059\u3079\u3066\u306e\u304a\u5ba2\u69d8\u306e\u30b5\u30a4\u30c8\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u304c\u5b9a\u671f\u7684\u306b\u884c\u308f\u308c\u3066\u3044\u308b\u6280\u8853\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u3092\u5fb9\u5e95\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/how-to-update-php-in-wordpress\/#steps-to-safely-update-php\">WordPress\u30b5\u30a4\u30c8\u3067PHP\u3092\u5909\u66f4\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u3053\u3061\u3089<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2 id=\"check-current-php-version\">PHP\u306e\u73fe\u5728\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5<\/h2>\n<p>\u81ea\u5206\u306eWordPress\u30b5\u30a4\u30c8\u3067\u4f7f\u7528\u3057\u3066\u3044\u308bPHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u308f\u304b\u3089\u306a\u3044\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u78ba\u8a8d\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>1. Pingdom\u3067PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n<p>Pingdom\u3084Chrome\u306e\u30c7\u30d9\u30ed\u30c3\u30d1\u30fc\u30c4\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u3001\u7c21\u5358\u306bPHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u901a\u5e38\u3001HTTP\u30ec\u30b9\u30dd\u30f3\u30b9\u30d8\u30c3\u30c0\u30fc\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002<img loading=\"lazy\" decoding=\"async\" class=\"wp-image-35677 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/03\/check-php-version-pingdom-1.png\" alt=\"Pingdom\u3067PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\" width=\"1958\" height=\"864\"><\/p>\n<p>\u306a\u304a\u3001\u30b5\u30fc\u30d0\u30fc\u5074\u3067<code>X-Powered-By<\/code>\u30d8\u30c3\u30c0\u30fc\u306e\u5024\u304c\u5909\u66f4\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001\u3053\u306e\u30d8\u30c3\u30c0\u30fc\u3067\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304c\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u61f8\u5ff5\u304b\u3089\u524a\u9664\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306b\u306f\u3001\u78ba\u8a8d\u3067\u304d\u306a\u3044\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3067\u3059\u3002\u4ee5\u4e0b\u3054\u7d39\u4ecb\u3059\u308b\u305d\u306e\u4ed6\u306e\u65b9\u6cd5\u3067\u78ba\u8a8d\u3059\u308b\u304b\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u76f4\u63a5\u554f\u3044\u5408\u308f\u305b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>2. WordPress\u7ba1\u7406\u753b\u9762\u3067PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n<p>WordPress 5.0\u4ee5\u4e0a\u3092\u304a\u4f7f\u3044\u306e\u5834\u5408\u306f\u3001\u300c\u30b5\u30a4\u30c8\u30d8\u30eb\u30b9\u300d\u30c4\u30fc\u30eb\u3067PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_63261\" aria-describedby=\"caption-attachment-63261\" style=\"width: 1503px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-63261 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2018\/06\/wordpress-site-health-php-version-1.png\" alt=\"WordPress\u306e\u300c\u30b5\u30a4\u30c8\u30d8\u30eb\u30b9\u300d\u3067PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\" width=\"1503\" height=\"646\"><figcaption id=\"caption-attachment-63261\" class=\"wp-caption-text\">WordPress\u306e\u300c\u30b5\u30a4\u30c8\u30d8\u30eb\u30b9\u300d\u3067PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d<\/figcaption><\/figure>\n<h3>3. \u30d5\u30a1\u30a4\u30eb\u3067PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n<p>\u30b5\u30fc\u30d0\u30fc\u306b<a href=\"https:\/\/kinsta.com\/jp\/blog\/how-to-use-sftp\/\" target=\"_blank\" rel=\"noopener noreferrer\">FTP<\/a>\u7d4c\u7531\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u3067\u3001PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<h4>\u30b9\u30c6\u30c3\u30d71<\/h4>\n<p>phpinfo.php\u3068\u3044\u3046\u7a7a\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u3001\u30d5\u30a1\u30a4\u30eb\u306b\u4ee5\u4e0b\u3092\u8cbc\u308a\u4ed8\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre><code class=\"language-php\">&lt;?php\necho 'Current PHP version: ' . phpversion();\n?&gt;<\/code><\/pre>\n<h4>\u30b9\u30c6\u30c3\u30d72<\/h4>\n<p>\u30d5\u30a1\u30a4\u30eb\u3092WordPress\u30b5\u30a4\u30c8\u306e\u30eb\u30fc\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_9930\" aria-describedby=\"caption-attachment-9930\" style=\"width: 1308px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9930 size-full\" title=\"Upload phpinfo.php file\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/03\/upload-phpinfo-file.png\" alt=\"phpinfo.php\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\" width=\"1308\" height=\"451\"><figcaption id=\"caption-attachment-9930\" class=\"wp-caption-text\">phpinfo.php\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9<\/figcaption><\/figure>\n<h4>\u30b9\u30c6\u30c3\u30d73<\/h4>\n<p>\u30d5\u30a1\u30a4\u30eb\u306e\u5834\u6240\uff08domain.com\/phpinfo.php\uff09\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u3001\u73fe\u5728\u306ePHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_9931\" aria-describedby=\"caption-attachment-9931\" style=\"width: 1398px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9931 size-full\" title=\"Check PHP version in browser\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/03\/check-php-version-browser.png\" alt=\"\u30d6\u30e9\u30a6\u30b6\u3067PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\" width=\"1398\" height=\"193\"><figcaption id=\"caption-attachment-9931\" class=\"wp-caption-text\">\u30d6\u30e9\u30a6\u30b6\u3067PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d<\/figcaption><\/figure>\n<h2 id=\"what-should-you-do\">\u5c02\u9580\u77e5\u8b58\u306b\u6b20\u3051\u308b\u3001\u307e\u305f\u306f\u4e88\u7b97\u304c\u306a\u3044\u5834\u5408<\/h2>\n<p>\u65e7\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u30c6\u30fc\u30de\u304c\u539f\u56e0\u3067\u3001\u65b0\u3057\u3044PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u4e92\u63db\u6027\u306e\u306a\u3044WordPress\u30b5\u30a4\u30c8\u304c\u4f55\u5343\u4ef6\u3082\u5b58\u5728\u3057\u3066\u3044\u308b\u306e\u306f\u7531\u3005\u3057\u304d\u73fe\u72b6\u3067\u3059\u3002\u3068\u306f\u8a00\u3048\u3001\u6280\u8853\u306b\u758e\u3044\u3001\u307e\u305f\u306f\u958b\u767a\u8005\u3092\u96c7\u3046\u4e88\u7b97\u304c\u306a\u3044\u5834\u5408\u306b\u306f\u3001\u3069\u306e\u3088\u3046\u306b\u5bfe\u51e6\u3059\u308c\u3070\u3044\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002Kinsta\u3067\u3082\u3001\u4ed6\u793e\u304b\u3089\u304a\u5ba2\u69d8\u304c\u79fb\u884c\u3057\u3066\u304d\u305f\u969b\u3001\u307e\u305f\u306f\u3042\u308bPHP\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u30b5\u30dd\u30fc\u30c8\u7d42\u4e86\u3092\u8fce\u3048\u308b\u969b\u306b\u3001\u5ea6\u3005\u3053\u306e\u554f\u984c\u306b\u906d\u9047\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u63a8\u5968\u4e8b\u9805\u306f\u3001\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li>\u4e00\u898b\u5f53\u305f\u308a\u524d\u3067\u306f\u3042\u308a\u307e\u3059\u304c\u3001\u6700\u65b0\u7248\u3067\u306a\u3044\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u30c6\u30fc\u30de\u306f\u3001\u5e38\u306b\u66f4\u65b0\u3092\u884c\u3046\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li>\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u30c6\u30fc\u30de\u306e\u958b\u767a\u8005\u306b\u554f\u3044\u5408\u308f\u305b\u3001PHP 7.2\u30017.3\u30017.4\u30018.0\uff08\u307e\u305f\u306f\u5909\u66f4\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u73fe\u5728\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\uff09\u306e\u30b5\u30dd\u30fc\u30c8\u3092\u8ffd\u52a0\/\u4fee\u6b63\u3059\u308b\u3088\u3046\u306b\u4f9d\u983c\u3057\u3066\u304f\u3060\u3055\u3044\u3002Kinsta\u3067\u306f\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3053\u308c\u3092\u884c\u3046\u6642\u9593\u3092\u78ba\u4fdd\u3067\u304d\u308b\u69d8\u3001PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u6bb5\u968e\u7684\u306b\u4e0b\u304c\u308b\u524d\u306b\u3059\u3079\u3066\u306e\u304a\u5ba2\u69d8\u306b\u4e8b\u524d\u306b\u901a\u77e5\u3092\u304a\u5c4a\u3051\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u7279\u306b\u958b\u767a\u8005\u3092\u96c7\u3046\u4e88\u7b97\u304c\u306a\u3044\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u91cd\u8981\u3067\u3059\u3002<\/li>\n<li>\u540c\u3058\u6a5f\u80fd\u3092\u6301\u3061\u3001\u65b0\u3057\u3044PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u4e92\u63db\u6027\u306e\u3042\u308b<a href=\"https:\/\/kinsta.com\/jp\/topics\/wordpress-plugins\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u4ee3\u66ff\u30d7\u30e9\u30b0\u30a4\u30f3<\/a>\u3092\u63a2\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002WordPress\u306e\u30ea\u30dd\u30b8\u30c8\u30ea\u306b\u306f\u3001\u4f55\u5343\u3082\u306e\u6709\u6599\u30d7\u30e9\u30b0\u30a4\u30f3\u3068\u30c6\u30fc\u30de\u304c\u63c3\u3063\u3066\u304a\u308a\u3001\u5fc5\u305a\u3068\u8a00\u3063\u3066\u3044\u3044\u307b\u3069\u4ee3\u66ff\u30c4\u30fc\u30eb\u306f\u898b\u3064\u304b\u308b\u3082\u306e\u3067\u3059\u3002<\/li>\n<li>\u4e88\u7b97\u304c\u78ba\u4fdd\u3067\u304d\u308c\u3070\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/hire-wordpress-developer\/\" target=\"_blank\" rel=\"noopener noreferrer\">WordPress\u958b\u767a\u8005<\/a>\u3092\u96c7\u3063\u3066\u5bfe\u51e6\u3092\u4f9d\u983c\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<h2 id=\"how-to-update-php\">PHP\u3092\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3059\u308b\u65b9\u6cd5<\/h2>\n<p>\u305d\u308c\u3067\u306f\u3001\u6700\u5f8c\u306bPHP\u3092\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3059\u308b\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\u307e\u305a\u6700\u521d\u306b\u3059\u3079\u304d\u3053\u3068\u306f\u3001\u30b5\u30a4\u30c8\u306e\u4e92\u63db\u6027\u3092\u78ba\u8a8d\u3059\u308b\u30c6\u30b9\u30c8\u306e\u5b9f\u884c\u3067\u3059\u3002<a href=\"https:\/\/kinsta.com\/jp\/blog\/install-wordpress-locally\/\" target=\"_blank\" rel=\"noopener noreferrer\">WordPress\u30b5\u30a4\u30c8\u3092\u30ed\u30fc\u30ab\u30eb\u74b0\u5883\u3067\u30c6\u30b9\u30c8<\/a>\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u304c\u3001\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0\u74b0\u5883\u3092\u5229\u7528\u3059\u308b\u3068\u3001\u9650\u308a\u306a\u304f\u672c\u756a\u30b5\u30a4\u30c8\u306b\u8fd1\u3044\u72b6\u614b\u3067\u30c6\u30b9\u30c8\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u9069\u5207\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3092\u884c\u3046\u305f\u3081\u3001\u5ff5\u306b\u306f\u5ff5\u3092\u5165\u308c\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>Kinsta\u3092\u3054\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u65b9\u306f\u3001\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u3067\u7c21\u5358\u306b<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/staging-environment\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0\u74b0\u5883<\/a>\u3092\u4f5c\u6210\u53ef\u80fd\u3067\u3059\u3002MyKinsta\u3067PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5909\u66f4\u3057\u3001\u3059\u3050\u306b\u30c6\u30b9\u30c8\u3092\u5b9f\u884c\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<figure id=\"attachment_155415\" aria-describedby=\"caption-attachment-155415\" style=\"width: 874px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-155415 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/03\/update-php-mykinsta.png\" alt=\"WordPress\u306e\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0\u30b5\u30a4\u30c8\u3092\u4f5c\u6210\" width=\"874\" height=\"699\"><figcaption id=\"caption-attachment-155415\" class=\"wp-caption-text\">WordPress\u306e\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0\u30b5\u30a4\u30c8\u3092\u4f5c\u6210<\/figcaption><\/figure>\n<p>\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u65b0\u3057\u3044\u3082\u306e\u306b\u5909\u66f4\u3059\u308b\u5834\u5408\u306f\u3001WordPress\u81ea\u4f53\u3082\u66f4\u65b0\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u65b0\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306ePHP\u30682\u5e74\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306eWordPress\u3067\u306f\u3001\u4f55\u304b\u3057\u3089\u306e\u554f\u984c\u304c\u751f\u3058\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3067\u3059\u3002\u30b5\u30a4\u30c8\u306e\u30c6\u30b9\u30c8\u3092\u7d42\u3048\u305f\u3089\u3001\u4ee5\u4e0b\u306b\u3054\u7d39\u4ecb\u3059\u308b\u624b\u9806\u306b\u5f93\u3063\u3066\u65e9\u901f\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5909\u66f4\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/how-to-update-php-in-wordpress\/#steps-to-safely-update-php\">WordPress\u30b5\u30a4\u30c8\u3067PHP\u3092\u5909\u66f4\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u3053\u3061\u3089<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>Kinsta\u3067PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5909\u66f4\u3059\u308b<\/h3>\n<p>Kinsta\u306e\u304a\u5ba2\u69d8\u306f\u3001MyKinsta\u3067\u30b5\u30a4\u30c8\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u3001\u300c\u30c4\u30fc\u30eb\u300d\u753b\u9762\u306b\u79fb\u52d5\u3057\u3001\u300cPHP\u30a8\u30f3\u30b8\u30f3\u300d\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u304b\u3089\u7c21\u5358\u306b<a href=\"https:\/\/kinsta.com\/jp\/blog\/how-to-update-php-in-wordpress\/\" target=\"_blank\" rel=\"noopener noreferrer\">PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5909\u66f4<\/a>\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u73fe\u5728\u306f\u3001PHP7.4, 8.0, 8.1, 8.2, 8.3, 8.4 , 8.5\u304c\u3054\u5229\u7528\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_155419\" aria-describedby=\"caption-attachment-155419\" style=\"width: 1200px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-155419 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/03\/switch-php-versions.png\" alt=\"MyKinsta\u3067PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5909\u66f4\" width=\"1200\" height=\"492\"><figcaption id=\"caption-attachment-155419\" class=\"wp-caption-text\">MyKinsta\u3067PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5909\u66f4<\/figcaption><\/figure>\n<p>\u307e\u305f\u3001Kinsta\u3067\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/changelog\/auto-db-optimize\/#selfhealing-php\">\u81ea\u5df1\u4fee\u5fa9<\/a>PHP\u3068\u3044\u3046\u30b7\u30b9\u30c6\u30e0\u3092\u63a1\u7528\u3057\u3066\u304a\u308a\u3001\u30b5\u30a4\u30c8\u306ePHP\u30a8\u30f3\u30b8\u30f3\u304c\u30c0\u30a6\u30f3\u3059\u308b\u3068\u3001\u81ea\u52d5\u7684\u306b\u518d\u8d77\u52d5\u3055\u308c\u307e\u3059\u3002PHP\u306e\u81ea\u52d5\u518d\u8d77\u52d5\u306b\u5931\u6557\u3057\u305f\u5834\u5408\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/sysadmin\/\">\u30b7\u30b9\u30c6\u30e0\u7ba1\u7406<\/a>\u90e8\u9580\u306b\u901a\u77e5\u3055\u308c\u3001\u3059\u3050\u306b\u554f\u984c\u306e\u8abf\u67fb\u306b\u3042\u305f\u308a\u307e\u3059\u3002<\/p>\n<h3>cPanel\u3067PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5909\u66f4\u3059\u308b<\/h3>\n<p>\u3054\u5229\u7528\u306e\u30b5\u30fc\u30d0\u30fc\u304ccPanel\u3092\u63a1\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u901a\u5e38cPanel\u304b\u3089PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u5909\u66f4\u304c\u884c\u3048\u307e\u3059\u3002cPanel\u306b\u30ed\u30b0\u30a4\u30f3\u5f8c\u3001\u300c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u300d\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u3042\u308b\u300cSelect PHP Version\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_9933\" aria-describedby=\"caption-attachment-9933\" style=\"width: 1739px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9933 size-full\" title=\"Select PHP version in cPanel\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/03\/select-php-version.jpg\" alt=\"cPanel\u3067PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u9078\u629e\" width=\"1739\" height=\"458\"><figcaption id=\"caption-attachment-9933\" class=\"wp-caption-text\">cPanel\u3067PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u9078\u629e<\/figcaption><\/figure>\n<p>\u305d\u306e\u5f8c\u3001\u304a\u4f7f\u3044\u306e\u30b5\u30fc\u30d0\u30fc\u3067\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<figure id=\"attachment_9934\" aria-describedby=\"caption-attachment-9934\" style=\"width: 1660px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9934 size-full\" title=\"PHP 7 in cPanel\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2017\/03\/php-7.jpg\" alt=\"cPanel\u306ePHP 7\" width=\"1660\" height=\"862\"><figcaption id=\"caption-attachment-9934\" class=\"wp-caption-text\">cPanel\u306ePHP 7<\/figcaption><\/figure>\n<h3>\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u81ea\u5206\u3067PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u66f4\u65b0\u3059\u308b<\/h3>\n<p>\u81ea\u5206\u3067\u30b5\u30fc\u30d0\u30fc\u7ba1\u7406\u3092\u884c\u306a\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001PHP\u516c\u5f0f\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u53c2\u7167\u3057\u3001\u95a2\u6570\u3001\u30af\u30e9\u30b9\u3001\u30e9\u30c3\u30d1\u30fc\u3001\u62e1\u5f35\u30e2\u30b8\u30e5\u30fc\u30eb\u306a\u3069\u306e\u5909\u66f4\u70b9\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u3001\u5404\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u79fb\u884c\u306b\u95a2\u3059\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u3059\u3002<\/p>\n<ul style=\"margin-left: 30px\">\n<li><a href=\"http:\/\/php.net\/manual\/ja\/migration56.php\" target=\"_blank\" rel=\"noopener noreferrer\">PHP 5.5.x\u304b\u3089PHP 5.6.x\u3078\u306e\u79fb\u884c<\/a><\/li>\n<li><a href=\"http:\/\/php.net\/manual\/ja\/migration70.php\" target=\"_blank\" rel=\"noopener noreferrer\">PHP 5.6.x\u304b\u3089PHP 7.0.x\u3078\u306e\u79fb\u884c<\/a><\/li>\n<li><a href=\"http:\/\/php.net\/manual\/ja\/migration71.php\" target=\"_blank\" rel=\"noopener noreferrer\">PHP 7.0.x\u304b\u3089PHP 7.1.x\u3078\u306e\u79fb\u884c<\/a><\/li>\n<li><a href=\"http:\/\/php.net\/manual\/ja\/migration72.php\" target=\"_blank\" rel=\"noopener noreferrer\">PHP 7.1.x\u304b\u3089PHP 7.2.x\u3078\u306e\u79fb\u884c<\/a><\/li>\n<li><a href=\"http:\/\/php.net\/manual\/ja\/migration73.php\" target=\"_blank\" rel=\"noopener noreferrer\">PHP 7.2.x\u304b\u3089PHP 7.3.x\u3078\u306e\u79fb\u884c<\/a><\/li>\n<li><a href=\"https:\/\/www.php.net\/manual\/ja\/migration74.php\">PHP 7.3.x\u304b\u3089PHP 7.4.x\u3078\u306e\u79fb\u884c<\/a><\/li>\n<li><a href=\"https:\/\/www.php.net\/manual\/ja\/migration80.php\" target=\"_blank\" rel=\"noopener noreferrer\">PHP 7.4.x\u304b\u3089PHP 8.0.x\u3078\u306e\u79fb\u884c<\/a><\/li>\n<li><a href=\"https:\/\/www.php.net\/manual\/ja\/migration81.php\">PHP 8.0.x\u304b\u3089PHP 8.1.x\u3078\u306e\u79fb\u884c<\/a><\/li>\n<li><a href=\"https:\/\/www.php.net\/manual\/ja\/migration82.php\">PHP 8.1.x\u304b\u3089PHP 8.2.x\u3078\u306e\u79fb\u884c<\/a><\/li>\n<\/ul>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u307e\u3060\u306e\u65b9\u306f\u3001\u304a\u65e9\u3081\u306bPHP 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