{"id":27648,"date":"2026-01-25T17:50:56","date_gmt":"2026-01-25T08:50:56","guid":{"rendered":"https:\/\/motoki-design.co.jp\/wordpress\/?p=27648"},"modified":"2026-01-25T17:50:57","modified_gmt":"2026-01-25T08:50:57","slug":"wordpress-debug-log-without-display","status":"publish","type":"post","link":"https:\/\/motoki-design.co.jp\/wordpress\/wordpress-debug-log-without-display\/","title":{"rendered":"WordPress\u2502\u7ba1\u7406\u753b\u9762\u306b\u8868\u793a\u305b\u305a\u306b\u30a8\u30e9\u30fc\u30ed\u30b0\u3092\u51fa\u529b\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"\n

WordPress\u3067\u30a8\u30e9\u30fc\u8abf\u67fb\u3092\u884c\u3046\u969b\u3001\u7ba1\u7406\u753b\u9762\u3084\u30d5\u30ed\u30f3\u30c8\u753b\u9762\u306b\u30a8\u30e9\u30fc\u3092\u8868\u793a\u305b\u305a\u3001\u30ed\u30b0\u3060\u3051\u306b\u51fa\u3057\u305f\u3044<\/strong>
\u3068\u3044\u3046\u30b1\u30fc\u30b9\u306f\u975e\u5e38\u306b\u591a\u304f\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u672c\u8a18\u4e8b\u3067\u306f\u3001\u305d\u306e\u305f\u3081\u306e\u5b9a\u756a\u8a2d\u5b9a\u3068\u4ed5\u7d44\u307f\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u7ba1\u7406\u753b\u9762\u306b\u30a8\u30e9\u30fc\u3092\u51fa\u3055\u305a\u3001\u30ed\u30b0\u3060\u3051\u53d6\u5f97\u3059\u308b\u8a2d\u5b9a<\/h2>\n\n\n\n

wp-config.php<\/code> \u306b\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u203bfunctions.php\u3067\u306f\u3067\u304d\u307e\u305b\u3093\u3001FTP\u307e\u305f\u306f\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u30d5\u30a1\u30a4\u30eb\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u304b\u3089\u30a2\u30af\u30bb\u30b9\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

define('WP_DEBUG', true);\nif ( WP_DEBUG ) {\n\tdefine('WP_DEBUG_LOG', true);\n\tdefine('WP_DEBUG_DISPLAY', false);\n\t@ini_set('display_errors', 0);\n}<\/code><\/pre><\/div>\n\n\n\n
\u3053\u306e\u8a2d\u5b9a\u306b\u3088\u308a\u3001\u30a8\u30e9\u30fc\u306f\u753b\u9762\u306b\u8868\u793a\u3055\u308c\u305a\u3001\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u306b\u306e\u307f\u8a18\u9332<\/strong>\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
\u5404\u8a2d\u5b9a\u306e\u610f\u5473<\/h2>\n\n\n\n
\u4ee5\u4e0b\u3001\u89e3\u8aac\u3067\u3059\u3002<\/p>\n\n\n\n
WP_DEBUG<\/h3>\n\n\n\n
define('WP_DEBUG', true);<\/code><\/pre><\/div>\n\n\n\n
WordPress\u306e\u30c7\u30d0\u30c3\u30b0\u30e2\u30fc\u30c9\u3092\u6709\u52b9\u5316\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u3053\u308c\u3092 true<\/code> \u306b\u3057\u306a\u3044\u9650\u308a\u3001WordPress\u306e\u30a8\u30e9\u30fc\u30ed\u30b0\u6a5f\u80fd\u306f\u52d5\u4f5c\u3057\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
WP_DEBUG_LOG<\/h3>\n\n\n\n
define('WP_DEBUG_LOG', true);<\/code><\/pre><\/div>\n\n\n\n
PHP\u30a8\u30e9\u30fc\u30fbWarning\u30fbNotice \u306a\u3069\u3092wp-content\/debug.log<\/code> \u306b\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u203b \u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f\u81ea\u52d5\u751f\u6210\u3055\u308c\u307e\u3059\uff08\u66f8\u304d\u8fbc\u307f\u6a29\u9650\u304c\u5fc5\u8981\uff09\u3002<\/p>\n\n\n\n
WP_DEBUG_DISPLAY<\/h3>\n\n\n\n
define('WP_DEBUG_DISPLAY', false);<\/code><\/pre><\/div>\n\n\n\n
\u30a8\u30e9\u30fc\u3092\u753b\u9762\u4e0a\u306b\u8868\u793a\u3057\u306a\u3044<\/strong>\u8a2d\u5b9a\u3067\u3059\u3002<\/p>\n\n\n\n
    \n
  • \u30d5\u30ed\u30f3\u30c8\u30da\u30fc\u30b8<\/li>\n\n\n\n
  • \u7ba1\u7406\u753b\u9762\uff08wp-admin\uff09<\/li>\n<\/ul>\n\n\n\n
    \u3069\u3061\u3089\u306b\u3082\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
    display_errors \u306e\u7121\u52b9\u5316<\/h3>\n\n\n\n
    @ini_set('display_errors', 0);<\/code><\/pre><\/div>\n\n\n\n
    PHP\u306e\u8a2d\u5b9a\u30ec\u30d9\u30eb\u3067\u3082\u5f37\u5236\u7684\u306b
    \u753b\u9762\u8868\u793a\u3092OFF<\/strong>\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
    \u30b5\u30fc\u30d0\u30fc\u8a2d\u5b9a\u306b\u3088\u3063\u3066 WP_DEBUG_DISPLAY<\/code> \u304c\u52b9\u304b\u306a\u3044\u5834\u5408\u306e\u4fdd\u967a\u3068\u3057\u3066\u6709\u52b9\u3067\u3059\u3002<\/p>\n\n\n\n
    \u30a8\u30e9\u30fc\u30ed\u30b0\u306e\u4fdd\u5b58\u5148<\/h2>\n\n\n\n
    \u901a\u5e38\u3001\u30a8\u30e9\u30fc\u306f\u4ee5\u4e0b\u306b\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
    \/wp-content\/debug.log<\/code><\/pre><\/div>\n\n\n\n
    \u3053\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3001\u3069\u306e\u30c6\u30fc\u30de\u30fb\u30d7\u30e9\u30b0\u30a4\u30f3\u30fb\u30d5\u30a1\u30a4\u30eb\u3067\u30a8\u30e9\u30fc\u304c\u8d77\u304d\u3066\u3044\u308b\u304b<\/strong>\u3092\u628a\u63e1\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
    \u3053\u306e\u8a2d\u5b9a\u3067\u691c\u77e5\u3067\u304d\u308b\u30a8\u30e9\u30fc\u7bc4\u56f2<\/h2>\n\n\n\n
      \n
    • \u30a2\u30af\u30bb\u30b9\u3055\u308c\u305f\u30da\u30fc\u30b8\u306ePHP\u30a8\u30e9\u30fc<\/li>\n\n\n\n
    • \u7ba1\u7406\u753b\u9762\u64cd\u4f5c\u6642\u306e\u30a8\u30e9\u30fc<\/li>\n\n\n\n
    • Ajax \/ REST API \u5b9f\u884c\u6642\u306e\u30a8\u30e9\u30fc<\/li>\n\n\n\n
    • wp-cron \u5b9f\u884c\u6642\u306e\u30a8\u30e9\u30fc<\/li>\n<\/ul>\n\n\n\n
      \u203b \u5b9f\u884c\u3055\u308c\u306a\u3044\u51e6\u7406\uff08\u672a\u30a2\u30af\u30bb\u30b9\u30da\u30fc\u30b8\u306a\u3069\uff09\u306e\u30a8\u30e9\u30fc\u306f\u691c\u77e5\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
      \u672c\u756a\u74b0\u5883\u3067\u306e\u6ce8\u610f\u70b9<\/h2>\n\n\n\n
      WP_DEBUG = true<\/code> \u306e\u307e\u307e\u904b\u7528\u3059\u308b\u3068\u3001<\/p>\n\n\n\n
        \n
      • \u30ed\u30b0\u304c\u80a5\u5927\u5316\u3059\u308b<\/li>\n\n\n\n
      • \u5185\u90e8\u69cb\u9020\u304c\u30ed\u30b0\u306b\u6b8b\u308b<\/li>\n<\/ul>\n\n\n\n
        \u3068\u3044\u3063\u305f\u30ea\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
        \u30a8\u30e9\u30fc\u8abf\u67fb\u304c\u7d42\u308f\u3063\u305f\u3089\u5fc5\u305a\u7121\u52b9\u5316<\/strong>\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
        define('WP_DEBUG', false);\ndefine('WP_DEBUG_LOG', false);<\/code><\/pre><\/div>\n\n\n\n
        \u307e\u3068\u3081<\/h2>\n\n\n\n
          \n
        • \u753b\u9762\u306b\u30a8\u30e9\u30fc\u3092\u51fa\u3055\u305a\u3001\u5b89\u5168\u306b\u8abf\u67fb\u3057\u305f\u3044\u5834\u5408\u306b\u6700\u9069<\/li>\n\n\n\n
        • debug.log \u3092\u78ba\u8a8d\u3059\u308b\u3060\u3051\u3067\u539f\u56e0\u7279\u5b9a\u304c\u3057\u3084\u3059\u3044<\/li>\n\n\n\n
        • \u8abf\u67fb\u7528\u9014\u3068\u3057\u3066\u5b9a\u756a\u304b\u3064\u5b9f\u7528\u7684\u306a\u8a2d\u5b9a<\/li>\n<\/ul>\n\n\n\n
          WordPress\u306e\u30a8\u30e9\u30fc\u8abf\u67fb\u3067\u306f\u3001\u307e\u305a\u3053\u306e\u8a2d\u5b9a\u3092\u5165\u308c\u308b<\/strong>\u306e\u304c\u57fa\u672c\u3067\u3059\u3002<\/p>\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
          WordPress\u3067\u30a8\u30e9\u30fc\u8abf\u67fb\u3092\u884c\u3046\u969b\u3001\u7ba1\u7406\u753b\u9762\u3084\u30d5\u30ed\u30f3\u30c8\u753b\u9762\u306b\u30a8\u30e9\u30fc\u3092\u8868\u793a\u305b\u305a\u3001\u30ed\u30b0\u3060\u3051\u306b\u51fa\u3057\u305f\u3044\u3068\u3044\u3046\u30b1\u30fc\u30b9\u306f\u975e\u5e38\u306b\u591a\u304f\u3042\u308a\u307e\u3059\u3002 \u672c\u8a18\u4e8b\u3067\u306f\u3001\u305d\u306e\u305f\u3081\u306e\u5b9a\u756a\u8a2d\u5b9a\u3068\u4ed5\u7d44\u307f\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002 \u7ba1\u7406\u753b\u9762\u306b\u30a8\u30e9\u30fc\u3092\u51fa\u3055\u305a\u3001\u30ed\u30b0 […]<\/p>\n","protected":false},"author":1,"featured_media":27649,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"pochipp_cv_data":"","swell_btn_cv_data":"","footnotes":""},"categories":[102],"tags":[],"area":[],"class_list":["post-27648","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-troubleshooting"],"_links":{"self":[{"href":"https:\/\/motoki-design.co.jp\/wordpress\/wp-json\/wp\/v2\/posts\/27648","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/motoki-design.co.jp\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/motoki-design.co.jp\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/motoki-design.co.jp\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/motoki-design.co.jp\/wordpress\/wp-json\/wp\/v2\/comments?post=27648"}],"version-history":[{"count":1,"href":"https:\/\/motoki-design.co.jp\/wordpress\/wp-json\/wp\/v2\/posts\/27648\/revisions"}],"predecessor-version":[{"id":27650,"href":"https:\/\/motoki-design.co.jp\/wordpress\/wp-json\/wp\/v2\/posts\/27648\/revisions\/27650"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/motoki-design.co.jp\/wordpress\/wp-json\/wp\/v2\/media\/27649"}],"wp:attachment":[{"href":"https:\/\/motoki-design.co.jp\/wordpress\/wp-json\/wp\/v2\/media?parent=27648"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/motoki-design.co.jp\/wordpress\/wp-json\/wp\/v2\/categories?post=27648"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/motoki-design.co.jp\/wordpress\/wp-json\/wp\/v2\/tags?post=27648"},{"taxonomy":"area","embeddable":true,"href":"https:\/\/motoki-design.co.jp\/wordpress\/wp-json\/wp\/v2\/area?post=27648"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}