{"id":420,"date":"2026-08-15T22:08:51","date_gmt":"2026-08-15T13:08:51","guid":{"rendered":"https:\/\/wptoolslab.com\/query-lab\/?post_type=wpq_glossary&amp;p=420"},"modified":"2026-08-29T22:53:39","modified_gmt":"2026-08-29T13:53:39","slug":"pre-get-posts","status":"publish","type":"wpq_glossary","link":"https:\/\/wptoolslab.com\/query-lab\/glossary\/pre-get-posts\/","title":{"rendered":"pre_get_posts"},"content":{"rendered":"<section class=\"conclusion wpq-conclusion\"><h2 class=\"wpq-conclusion__title\">\u307e\u305a\u7d50\u8ad6<\/h2><p>`pre_get_posts` \u306f\u3001WordPress \u304c\u6295\u7a3f\u3092\u53d6\u5f97\u3059\u308b\u524d\u306b\u30af\u30a8\u30ea\u6761\u4ef6\u3092\u8abf\u6574\u3067\u304d\u308b\u30d5\u30c3\u30af\u3067\u3059\u3002\u65e2\u5b58\u306e\u30a2\u30fc\u30ab\u30a4\u30d6\u3084\u691c\u7d22\u7d50\u679c\u306a\u3069\u3001main query \u306e\u8868\u793a\u4ef6\u6570\u3001\u6295\u7a3f\u30bf\u30a4\u30d7\u3001\u4e26\u3073\u9806\u3092\u5909\u3048\u305f\u3044\u6642\u306b\u4f7f\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/section>\n<p>`pre_get_posts` \u306f\u3001WP_Query \u306e\u7d50\u679c\u304c\u53d6\u5f97\u3055\u308c\u308b\u524d\u306b\u51e6\u7406\u3092\u5dee\u3057\u8fbc\u3080\u305f\u3081\u306e\u30d5\u30c3\u30af\u3067\u3059\u3002\u3059\u3067\u306b WordPress \u304c\u7528\u610f\u3057\u3066\u3044\u308b\u30da\u30fc\u30b8\u672c\u4f53\u306e\u30af\u30a8\u30ea\u3092\u8abf\u6574\u3057\u305f\u3044\u6642\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n<p>\u521d\u5fc3\u8005\u304c\u6700\u521d\u306b\u62bc\u3055\u3048\u308b\u3079\u304d\u306a\u306e\u306f\u3001`pre_get_posts` \u306f\u300c\u65b0\u3057\u3044\u4e00\u89a7\u3092\u8ffd\u52a0\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u300d\u3067\u306f\u306a\u304f\u3001\u300c\u65e2\u5b58\u306e\u30af\u30a8\u30ea\u6761\u4ef6\u3092\u5b9f\u884c\u524d\u306b\u5909\u3048\u308b\u305f\u3081\u306e\u3082\u306e\u300d\u3060\u3068\u3044\u3046\u70b9\u3067\u3059\u3002\u95a2\u9023\u8a18\u4e8b\u3084\u30b5\u30a4\u30c9\u30d0\u30fc\u306e\u5225\u4e00\u89a7\u3092\u4f5c\u308b\u5834\u5408\u306f\u3001\u72ec\u81ea `WP_Query` \u306e\u307b\u3046\u304c\u81ea\u7136\u306a\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2 id=\"what-is-pre-get-posts\" class=\"h-underline section-heading\"><span class=\"section-heading-icon\" aria-hidden=\"true\"><svg data-wpq-icon=\"lightbulb\" aria-hidden=\"true\" focusable=\"false\" class=\"wpq-icon-svg\"\n  xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n \n \n  viewBox=\"0 0 24 24\"\n  fill=\"none\"\n  stroke=\"currentColor\"\n  stroke-width=\"2\"\n  stroke-linecap=\"round\"\n  stroke-linejoin=\"round\"\n>\n  <path d=\"M15 14c.2-1 .7-1.7 1.5-2.5 1-.9 1.5-2.2 1.5-3.5A6 6 0 0 0 6 8c0 1 .2 2.2 1.5 3.5.7.7 1.3 1.5 1.5 2.5\" \/>\n  <path d=\"M9 18h6\" \/>\n  <path d=\"M10 22h4\" \/>\n<\/svg><\/span><span class=\"section-heading-text\">pre_get_posts \u306f\u4f55\u3092\u3059\u308b\u30d5\u30c3\u30af\u304b<\/span><\/h2>\n<p>`pre_get_posts` \u306f\u3001\u30af\u30a8\u30ea\u304c\u5b9f\u884c\u3055\u308c\u308b\u524d\u306b\u547c\u3070\u308c\u308b\u30d5\u30c3\u30af\u3067\u3059\u3002\u30d5\u30c3\u30af\u306b\u6e21\u3055\u308c\u308b `$query` \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5bfe\u3057\u3066\u3001`set()` \u3092\u4f7f\u3063\u3066\u6761\u4ef6\u3092\u5909\u66f4\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u691c\u7d22\u7d50\u679c\u306e\u8868\u793a\u4ef6\u6570\u309210\u4ef6\u306b\u3057\u305f\u308a\u3001\u30a2\u30fc\u30ab\u30a4\u30d6\u3067\u7279\u5b9a\u306e\u6295\u7a3f\u30bf\u30a4\u30d7\u3092\u542b\u3081\u305f\u308a\u3001\u4e00\u89a7\u306e\u4e26\u3073\u9806\u3092\u5909\u3048\u305f\u308a\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u5927\u4e8b\u306a\u306e\u306f\u3001`pre_get_posts` \u306f\u5f71\u97ff\u7bc4\u56f2\u304c\u5e83\u304f\u306a\u308a\u3084\u3059\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u5bfe\u8c61\u3092\u7d5e\u3089\u305a\u306b\u6761\u4ef6\u3092\u5909\u66f4\u3059\u308b\u3068\u3001\u7ba1\u7406\u753b\u9762\u3084\u30b5\u30a4\u30c9\u30d0\u30fc\u306e\u4e00\u89a7\u3001\u5225\u306e\u72ec\u81ea\u30af\u30a8\u30ea\u307e\u3067\u5909\u308f\u308b\u539f\u56e0\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u3001`is_admin()` \u3068 `is_main_query()` \u306e\u78ba\u8a8d\u3092\u30bb\u30c3\u30c8\u3067\u8003\u3048\u307e\u3059\u3002\u30da\u30fc\u30b8\u672c\u4f53\u306e\u30af\u30a8\u30ea\u3060\u3051\u3092\u5909\u3048\u305f\u3044\u306e\u304b\u3001\u5225\u306e\u30af\u30a8\u30ea\u3082\u542b\u3081\u305f\u3044\u306e\u304b\u3092\u5148\u306b\u6c7a\u3081\u307e\u3059\u3002<\/p>\n<div class=\"wpq-compare-grid\" role=\"group\" aria-label=\"\u898b\u76f4\u3057\u524d\u3068\u6539\u5584\u5f8c\u306e\u6bd4\u8f03\"><section class=\"wpq-compare-card wpq-compare-card--ng\"><span class=\"wpq-compare-card__status wpq-compare-card__status--ng\"><span class=\"wpq-compare-card__mark\" aria-hidden=\"true\">NG<\/span><b>\u898b\u76f4\u3057\u524d<\/b><\/span><div class=\"wpq-compare-card__content\"><p class=\"wpq-compare-card__title\">\u6df7\u540c\u3057\u3084\u3059\u3044\u8003\u3048\u65b9<\/p><ul class=\"wpq-compare-list\"><li class=\"wpq-compare-list__item wpq-compare-list__item--ng\">\u65e2\u5b58\u30a2\u30fc\u30ab\u30a4\u30d6\u3092\u5909\u3048\u305f\u3044\u6642\u306b\u6bce\u56de <code>new WP_Query()<\/code> \u3067\u4f5c\u308a\u76f4\u3059<\/li><li class=\"wpq-compare-list__item wpq-compare-list__item--ng\">\u95a2\u9023\u8a18\u4e8b\u306e\u3088\u3046\u306a\u8ffd\u52a0\u4e00\u89a7\u307e\u3067 <code>pre_get_posts<\/code> \u3067\u4f5c\u308d\u3046\u3068\u3059\u308b<\/li><li class=\"wpq-compare-list__item wpq-compare-list__item--ng\">\u5bfe\u8c61\u3092\u7d5e\u3089\u305a\u306b\u5168\u30af\u30a8\u30ea\u3078\u5909\u66f4\u3092\u304b\u3051\u308b<\/li><\/ul><\/div><\/section><section class=\"wpq-compare-card wpq-compare-card--ok\"><span class=\"wpq-compare-card__status wpq-compare-card__status--ok\"><span class=\"wpq-compare-card__mark\" aria-hidden=\"true\">OK<\/span><b>\u6539\u5584\u5f8c<\/b><\/span><div class=\"wpq-compare-card__content\"><p class=\"wpq-compare-card__title\">\u6574\u7406\u3057\u305f\u8003\u3048\u65b9<\/p><ul class=\"wpq-compare-list\"><li class=\"wpq-compare-list__item wpq-compare-list__item--ok\">\u30da\u30fc\u30b8\u672c\u4f53\u306e\u4e00\u89a7\u6761\u4ef6\u306f <code>pre_get_posts<\/code> \u3067 main query \u8abf\u6574\u3092\u691c\u8a0e\u3059\u308b<\/li><li class=\"wpq-compare-list__item wpq-compare-list__item--ok\">\u8ffd\u52a0\u4e00\u89a7\u306f\u72ec\u81ea <code>WP_Query<\/code> \u3092\u691c\u8a0e\u3059\u308b<\/li><li class=\"wpq-compare-list__item wpq-compare-list__item--ok\"><code>is_admin()<\/code> \u3068 <code>is_main_query()<\/code> \u3067\u5bfe\u8c61\u3092\u7d5e\u308b<\/li><\/ul><\/div><\/section><\/div>\n<h2 id=\"is-main-query\" class=\"h-underline section-heading\"><span class=\"section-heading-icon\" aria-hidden=\"true\"><svg data-wpq-icon=\"refresh\" aria-hidden=\"true\" focusable=\"false\" class=\"wpq-icon-svg\"\n  xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n \n \n  viewBox=\"0 0 24 24\"\n  fill=\"none\"\n  stroke=\"currentColor\"\n  stroke-width=\"2\"\n  stroke-linecap=\"round\"\n  stroke-linejoin=\"round\"\n>\n  <path d=\"M3 12a9 9 0 0 1 9-9 9.75 9.75 0 0 1 6.74 2.74L21 8\" \/>\n  <path d=\"M21 3v5h-5\" \/>\n  <path d=\"M21 12a9 9 0 0 1-9 9 9.75 9.75 0 0 1-6.74-2.74L3 16\" \/>\n  <path d=\"M8 16H3v5\" \/>\n<\/svg><\/span><span class=\"section-heading-text\">is_main_query() \u3092\u78ba\u8a8d\u3059\u308b\u7406\u7531<\/span><\/h2>\n<p>`pre_get_posts` \u3067\u306f\u3001`is_main_query()` \u306e\u78ba\u8a8d\u304c\u91cd\u8981\u3067\u3059\u3002\u540c\u3058\u30da\u30fc\u30b8\u5185\u306b\u306f\u3001main query \u3060\u3051\u3067\u306a\u304f\u3001\u30b5\u30a4\u30c9\u30d0\u30fc\u3084\u95a2\u9023\u8a18\u4e8b\u306a\u3069\u306e\u72ec\u81ea\u30af\u30a8\u30ea\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u5bfe\u8c61\u3092\u7d5e\u3089\u306a\u3044\u3068\u3001\u3053\u308c\u3089\u306e\u72ec\u81ea\u30af\u30a8\u30ea\u306b\u3082\u5909\u66f4\u304c\u304b\u304b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30da\u30fc\u30b8\u672c\u4f53\u306e\u4e00\u89a7\u3060\u3051\u3092\u5909\u3048\u305f\u3044\u306a\u3089\u3001main query \u306b\u9650\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p>`is_main_query()` \u306f\u3001\u73fe\u5728\u6271\u3063\u3066\u3044\u308b\u30af\u30a8\u30ea\u304c WordPress \u306e\u4e3b\u8981\u306a\u30af\u30a8\u30ea\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u3067\u3059\u3002\u95a2\u6570\u3067\u306f\u306a\u304f `$query-&gt;is_main_query()` \u3068\u3057\u3066\u4f7f\u3046\u5f62\u3092\u610f\u8b58\u3057\u307e\u3059\u3002<\/p>\n<p>`pre_get_posts` \u306e\u52d5\u4f5c\u3092\u78ba\u8a8d\u3059\u308b\u6642\u306f\u3001\u307e\u305a\u5909\u66f4\u5bfe\u8c61\u3092\u5c0f\u3055\u304f\u3057\u307e\u3059\u3002\u691c\u7d22\u7d50\u679c\u3060\u3051\u3001\u30a2\u30fc\u30ab\u30a4\u30d6\u3060\u3051\u3001\u7279\u5b9a\u306e\u6295\u7a3f\u30bf\u30a4\u30d7\u3060\u3051\u3001\u3068\u3044\u3046\u3088\u3046\u306b\u7bc4\u56f2\u3092\u7d5e\u308a\u307e\u3059\u3002<\/p>\n<h2 id=\"builder\" class=\"h-underline section-heading\"><span class=\"section-heading-icon\" aria-hidden=\"true\"><svg data-wpq-icon=\"builder\" aria-hidden=\"true\" focusable=\"false\" class=\"wpq-icon-svg\"\n  xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n \n \n  viewBox=\"0 0 24 24\"\n  fill=\"none\"\n  stroke=\"currentColor\"\n  stroke-width=\"2\"\n  stroke-linecap=\"round\"\n  stroke-linejoin=\"round\"\n>\n  <path d=\"m18 16 4-4-4-4\" \/>\n  <path d=\"m6 8-4 4 4 4\" \/>\n  <path d=\"m14.5 4-5 16\" \/>\n<\/svg><\/span><span class=\"section-heading-text\">Builder \u3067\u306e\u6271\u3044<\/span><\/h2>\n<p>WP Query Builder \u3067\u306f\u3001`pre_get_posts` \u306f\u901a\u5e38\u306e\u72ec\u81ea `WP_Query` \u751f\u6210\u3068\u306f\u5206\u3051\u3066\u6271\u3046\u60f3\u5b9a\u3067\u3059\u3002\u65b0\u3057\u3044\u4e00\u89a7\u3092\u8ffd\u52a0\u3059\u308b\u5834\u5408\u306f custom query \u306e\u30b3\u30fc\u30c9\u3001\u65e2\u5b58\u4e00\u89a7\u3092\u8abf\u6574\u3059\u308b\u5834\u5408\u306f `pre_get_posts` \u306e\u30b3\u30fc\u30c9\u3001\u3068\u3044\u3046\u5207\u308a\u5206\u3051\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>\u521d\u5fc3\u8005\u5411\u3051\u306b\u306f\u3001\u300c\u65e2\u5b58\u306e\u4e00\u89a7\u3092\u5909\u3048\u308b\u300d\u304b\u300c\u65b0\u3057\u3044\u4e00\u89a7\u3092\u8ffd\u52a0\u3059\u308b\u300d\u304b\u3092\u6700\u521d\u306b\u9078\u3070\u305b\u308b\u3068\u5206\u304b\u308a\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u524d\u8005\u3067\u306f `pre_get_posts`\u3001\u5f8c\u8005\u3067\u306f `WP_Query` \u306e\u751f\u6210\u304c\u5019\u88dc\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u751f\u6210\u30b3\u30fc\u30c9\u3067\u306f\u3001`is_admin()` \u3068 `$query-&gt;is_main_query()` \u306e\u30c1\u30a7\u30c3\u30af\u3092\u7701\u7565\u3057\u306a\u3044\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u3055\u3089\u306b\u3001\u691c\u7d22\u7d50\u679c\u3060\u3051\u3001\u30a2\u30fc\u30ab\u30a4\u30d6\u3060\u3051\u3001\u7279\u5b9a\u306e\u6295\u7a3f\u30bf\u30a4\u30d7\u3060\u3051\u3001\u3068\u3044\u3063\u305f\u6761\u4ef6\u5206\u5c90\u3082\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<h2 id=\"practical-article\" class=\"h-underline section-heading\"><span class=\"section-heading-icon\" aria-hidden=\"true\"><svg data-wpq-icon=\"search\" aria-hidden=\"true\" focusable=\"false\" class=\"wpq-icon-svg\"\n  xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n \n \n  viewBox=\"0 0 24 24\"\n  fill=\"none\"\n  stroke=\"currentColor\"\n  stroke-width=\"2\"\n  stroke-linecap=\"round\"\n  stroke-linejoin=\"round\"\n>\n  <path d=\"m21 21-4.34-4.34\" \/>\n  <circle cx=\"11\" cy=\"11\" r=\"8\" \/>\n<\/svg><\/span><span class=\"section-heading-text\">\u4f7f\u3044\u3069\u3053\u308d\u30fb\u907f\u3051\u3069\u3053\u308d\u3068\u5b9f\u8df5\u78ba\u8a8d<\/span><\/h2>\n<p>WordPress\u304c\u5b9f\u884c\u3059\u308b\u524d\u306e\u30e1\u30a4\u30f3\u30af\u30a8\u30ea\u6761\u4ef6\u3092\u3001\u5bfe\u8c61\u753b\u9762\u3078\u9650\u5b9a\u3057\u3066\u5909\u66f4\u3057\u305f\u3044\u6642\u306b\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<p>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u5185\u3067\u72ec\u81ea\u4e00\u89a7\u3092\u4f5c\u308b\u3060\u3051\u306e\u5834\u5408\u3084\u3001\u5bfe\u8c61\u5224\u5b9a\u306a\u3057\u3067\u5168\u30af\u30a8\u30ea\u3092\u66f8\u304d\u63db\u3048\u308b\u4f7f\u3044\u65b9\u306f\u907f\u3051\u307e\u3059\u3002<\/p>\n<p>\u7ba1\u7406\u753b\u9762\u3001\u30e1\u30a4\u30f3\u30af\u30a8\u30ea\u3001\u30a2\u30fc\u30ab\u30a4\u30d6\u7a2e\u5225\u306e\u30ac\u30fc\u30c9\u304c\u4e0d\u8db3\u3059\u308b\u3068\u3001\u5225\u753b\u9762\u3084\u5185\u90e8\u30af\u30a8\u30ea\u307e\u3067\u5f71\u97ff\u3057\u307e\u3059\u3002<\/p>\n<p>\u5909\u66f4\u3057\u305f\u3044URL\u3092\u4e00\u3064\u6319\u3052\u3001\u5909\u3048\u3066\u306f\u3044\u3051\u306a\u3044URL\u3082\u4e00\u3064\u6319\u3052\u308b\u3068\u3001\u6761\u4ef6\u5206\u5c90\u306e\u6f0f\u308c\u3092\u898b\u3064\u3051\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u5bfe\u8c61\u30fb\u975e\u5bfe\u8c61URL\u3067\u30d5\u30c3\u30af\u524d\u5f8c\u306e\u30af\u30a8\u30ea\u5909\u6570\u3068\u8868\u793a\u3055\u308c\u305f\u6295\u7a3fID\u3092\u8a18\u9332\u3057\u3001\u5909\u66f4\u7bc4\u56f2\u304c\u610f\u56f3\u3057\u305f\u753b\u9762\u3060\u3051\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<a class=\"deep-link-card wpq-related-link wpq-related-link--internal\" href=\"https:\/\/wptoolslab.com\/query-lab\/articles\/query-posts-avoid\/\"><span class=\"article-thumb wpq-related-link__thumb\"><img decoding=\"async\" alt=\"query_posts\u3092\u4f7f\u308f\u306a\u3044\u307b\u3046\u304c\u3044\u3044\u7406\u7531\uff5cWP_Query\u30fbpre_get_posts\u3068\u306e\u9055\u3044 \u306e\u30b5\u30e0\u30cd\u30a4\u30eb\" src=\"https:\/\/wptoolslab.com\/query-lab\/wp-content\/uploads\/2026\/08\/query-posts-avoid-card.png\" loading=\"lazy\" \/><\/span><div class=\"deep-link-copy wpq-related-link__copy\"><small>\u5b9f\u8df5\u8a18\u4e8b\u3067\u78ba\u8a8d<\/small><b>query_posts\u3092\u4f7f\u308f\u306a\u3044\u307b\u3046\u304c\u3044\u3044\u7406\u7531<\/b><p>`query_posts()` \u3068\u306e\u9055\u3044\u3001`is_main_query()` \u3092\u542b\u3080\u5b89\u5168\u306a\u30ac\u30fc\u30c9\u6761\u4ef6\u3092\u5b9f\u8df5\u4f8b\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p><span class=\"jump\"><span>\u8a18\u4e8b\u3092\u8aad\u3080 \u2192<\/span><\/span><\/div><\/a>\n<h2 id=\"official-docs\" class=\"h-underline section-heading\"><span class=\"section-heading-icon\" aria-hidden=\"true\"><svg data-wpq-icon=\"book\" aria-hidden=\"true\" focusable=\"false\" class=\"wpq-icon-svg\"\n  xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n \n \n  viewBox=\"0 0 24 24\"\n  fill=\"none\"\n  stroke=\"currentColor\"\n  stroke-width=\"2\"\n  stroke-linecap=\"round\"\n  stroke-linejoin=\"round\"\n>\n  <path d=\"M12 5v16\" \/>\n  <path d=\"M20.001 19A2 2 0 0022 17V5a2 2 0 00-1.999-2L16 3.002A5 5 0 0012 5a5 5 0 00-4-2H4a2 2 0 00-2 2v12a2 2 0 001.999 2H8a5 5 0 014 2 5 5 0 014-2z\" \/>\n<\/svg><\/span><span class=\"section-heading-text\">WordPress\u306e\u4ed5\u69d8\u3067\u78ba\u8a8d\u3059\u308b\u30dd\u30a4\u30f3\u30c8<\/span><\/h2>\n<p>\u516c\u5f0f\u8cc7\u6599\u3067\u306f\u3001`pre_get_posts` \u30d5\u30c3\u30af\u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3067\u3001\u30af\u30a8\u30ea\u5b9f\u884c\u524d\u306b\u6761\u4ef6\u3092\u5909\u66f4\u3059\u308b\u65b9\u6cd5\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002WP_Query \u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3067\u306f\u3001\u5909\u66f4\u3067\u304d\u308b\u5f15\u6570\u306e\u7a2e\u985e\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001`is_main_query()` \u306e\u516c\u5f0f\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001main query \u3060\u3051\u3092\u5bfe\u8c61\u306b\u3059\u308b\u8003\u3048\u65b9\u3092\u7406\u89e3\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<section class=\"official-docs-card wpq-reference-card wpq-reference-card--official\"><div class=\"official-docs-head\"><span class=\"official-docs-icon\" aria-hidden=\"true\"><svg data-wpq-icon=\"book\" aria-hidden=\"true\" focusable=\"false\" class=\"wpq-icon-svg\"\n  xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n \n \n  viewBox=\"0 0 24 24\"\n  fill=\"none\"\n  stroke=\"currentColor\"\n  stroke-width=\"2\"\n  stroke-linecap=\"round\"\n  stroke-linejoin=\"round\"\n>\n  <path d=\"M12 5v16\" \/>\n  <path d=\"M20.001 19A2 2 0 0022 17V5a2 2 0 00-1.999-2L16 3.002A5 5 0 0012 5a5 5 0 00-4-2H4a2 2 0 00-2 2v12a2 2 0 001.999 2H8a5 5 0 014 2 5 5 0 014-2z\" \/>\n<\/svg><\/span><div><p class=\"eyebrow wpq-eyebrow\">\u516c\u5f0f\u30ea\u30f3\u30af<\/p><h2>\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/h2><\/div><\/div><ul class=\"wpq-reference-list\"><li class=\"wpq-reference-item\"><a class=\"wpq-reference-item__link\" href=\"https:\/\/developer.wordpress.org\/reference\/hooks\/pre_get_posts\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span class=\"wpq-reference-item__copy\"><strong class=\"wpq-reference-item__title\">pre_get_posts<\/strong><span class=\"wpq-reference-item__description\">\u30af\u30a8\u30ea\u5b9f\u884c\u524d\u306b\u6761\u4ef6\u3092\u5909\u66f4\u3059\u308b\u30d5\u30c3\u30af\u3092\u78ba\u8a8d\u3057\u305f\u3044\u6642<\/span><\/span><span class=\"wpq-reference-item__hint\" aria-hidden=\"true\"><svg data-wpq-icon=\"external\" aria-hidden=\"true\" focusable=\"false\" class=\"wpq-icon-svg\"\n  xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n \n \n  viewBox=\"0 0 24 24\"\n  fill=\"none\"\n  stroke=\"currentColor\"\n  stroke-width=\"2\"\n  stroke-linecap=\"round\"\n  stroke-linejoin=\"round\"\n>\n  <path d=\"M15 3h6v6\" \/>\n  <path d=\"M10 14 21 3\" \/>\n  <path d=\"M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6\" \/>\n<\/svg><\/span><\/a><\/li><li class=\"wpq-reference-item\"><a class=\"wpq-reference-item__link\" href=\"https:\/\/developer.wordpress.org\/reference\/classes\/wp_query\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span class=\"wpq-reference-item__copy\"><strong class=\"wpq-reference-item__title\">WP_Query Class<\/strong><span class=\"wpq-reference-item__description\">`set()` \u3067\u5909\u66f4\u3059\u308b\u30af\u30a8\u30ea\u5f15\u6570\u3092\u78ba\u8a8d\u3057\u305f\u3044\u6642<\/span><\/span><span class=\"wpq-reference-item__hint\" aria-hidden=\"true\"><svg data-wpq-icon=\"external\" aria-hidden=\"true\" focusable=\"false\" class=\"wpq-icon-svg\"\n  xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n \n \n  viewBox=\"0 0 24 24\"\n  fill=\"none\"\n  stroke=\"currentColor\"\n  stroke-width=\"2\"\n  stroke-linecap=\"round\"\n  stroke-linejoin=\"round\"\n>\n  <path d=\"M15 3h6v6\" \/>\n  <path d=\"M10 14 21 3\" \/>\n  <path d=\"M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6\" \/>\n<\/svg><\/span><\/a><\/li><\/ul><\/section>\n<p>`pre_get_posts` \u306f\u3001WordPress \u304c\u6295\u7a3f\u3092\u53d6\u5f97\u3059\u308b\u524d\u306b\u30af\u30a8\u30ea\u6761\u4ef6\u3092\u8abf\u6574\u3059\u308b\u305f\u3081\u306e\u30d5\u30c3\u30af\u3067\u3059\u3002\u65e2\u5b58\u306e\u30a2\u30fc\u30ab\u30a4\u30d6\u3084\u691c\u7d22\u7d50\u679c\u306a\u3069\u3001main query \u306e\u6761\u4ef6\u3092\u5909\u3048\u305f\u3044\u6642\u306b\u4f7f\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u8ff7\u3063\u305f\u6642\u306f\u3001\u65e2\u5b58\u4e00\u89a7\u3092\u5909\u3048\u305f\u3044\u306e\u304b\u3001\u8ffd\u52a0\u4e00\u89a7\u3092\u4f5c\u308a\u305f\u3044\u306e\u304b\u3092\u5148\u306b\u5206\u3051\u307e\u3059\u3002\u65e2\u5b58\u4e00\u89a7\u306a\u3089 `pre_get_posts`\u3001\u8ffd\u52a0\u4e00\u89a7\u306a\u3089\u72ec\u81ea `WP_Query` \u3092\u691c\u8a0e\u3057\u307e\u3059\u3002<\/p>\n<section class=\"final-checklist wpq-checklist-card wpq-checklist-card--final\"><div class=\"final-checklist-head\"><span class=\"final-checklist-icon\" aria-hidden=\"true\"><svg data-wpq-icon=\"check\" aria-hidden=\"true\" focusable=\"false\" class=\"wpq-icon-svg\"\n  xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n \n \n  viewBox=\"0 0 24 24\"\n  fill=\"none\"\n  stroke=\"currentColor\"\n  stroke-width=\"2\"\n  stroke-linecap=\"round\"\n  stroke-linejoin=\"round\"\n>\n  <path d=\"M20 6 9 17l-5-5\" \/>\n<\/svg><\/span><h2>pre_get_posts \u306e\u6700\u7d42\u30c1\u30a7\u30c3\u30af<\/h2><\/div><ul class=\"wpq-checklist\"><li><code>pre_get_posts<\/code> \u306f\u30af\u30a8\u30ea\u5b9f\u884c\u524d\u306b\u6761\u4ef6\u3092\u5909\u66f4\u3059\u308b\u30d5\u30c3\u30af\u3060\u3068\u7406\u89e3\u3057\u3066\u3044\u308b<\/li><li>\u65e2\u5b58\u4e00\u89a7\u3092\u5909\u3048\u305f\u3044\u306e\u304b\u8ffd\u52a0\u4e00\u89a7\u3092\u4f5c\u308a\u305f\u3044\u306e\u304b\u3092\u5206\u3051\u305f<\/li><li><code>is_admin()<\/code> \u3068 <code>$query-&gt;is_main_query()<\/code> \u3067\u5bfe\u8c61\u3092\u7d5e\u3063\u305f<\/li><li><code>$query-&gt;set()<\/code> \u3067\u5909\u66f4\u3059\u308b\u5f15\u6570\u3092\u78ba\u8a8d\u3057\u305f<\/li><li>\u691c\u7d22\u7d50\u679c\u3084\u30a2\u30fc\u30ab\u30a4\u30d6\u306a\u3069\u5bfe\u8c61\u30da\u30fc\u30b8\u3092\u7d5e\u3063\u305f<\/li><li>pagination \u3084 offset \u3078\u306e\u5f71\u97ff\u3092\u78ba\u8a8d\u3057\u305f<\/li><\/ul><\/section>\n","protected":false},"excerpt":{"rendered":"<p>pre_get_posts \u306f\u3001WordPress \u306e\u30af\u30a8\u30ea\u304c\u5b9f\u884c\u3055\u308c\u308b\u524d\u306b\u6761\u4ef6\u3092\u8abf\u6574\u3059\u308b\u305f\u3081\u306e\u30d5\u30c3\u30af\u3067\u3059\u3002\u4e3b\u306b main query \u306e\u8868\u793a\u4ef6\u6570\u3001\u6295\u7a3f\u30bf\u30a4\u30d7\u3001\u4e26\u3073\u9806\u306a\u3069\u3092\u5909\u66f4\u3057\u305f\u3044\u6642\u306b\u4f7f\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"author":2,"featured_media":3720,"template":"","meta":{"wpq_kicker":"\u7528\u8a9e\u96c6","wpq_lead":"pre_get_posts \u306f\u3001WordPress \u304c\u6295\u7a3f\u3092\u53d6\u5f97\u3059\u308b\u76f4\u524d\u306b\u3001\u30af\u30a8\u30ea\u6761\u4ef6\u3092\u8abf\u6574\u3067\u304d\u308b\u30d5\u30c3\u30af\u3067\u3059\u3002\u65e2\u5b58\u306e\u30a2\u30fc\u30ab\u30a4\u30d6\u3084\u691c\u7d22\u7d50\u679c\u306a\u3069\u3001\u30da\u30fc\u30b8\u672c\u4f53\u306e\u4e00\u89a7\u6761\u4ef6\u3092\u5909\u3048\u305f\u3044\u6642\u306b\u4f7f\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002","wpq_hero_title_line1":"WP_Query \u5b9f\u88c5\u7528\u8a9e","wpq_hero_title_line2":"pre_get_posts","wpq_hero_title_accent":"pre_get_posts","wpq_hero_thumbnail_alt":"pre_get_posts \u306e\u6982\u8981\u30a4\u30e1\u30fc\u30b8","wpq_hero_summary_mode":"","wpq_hero_summary_label":"","wpq_hero_summary_items":"","wpq_reading_time":"","wpq_updated_label":"","wpq_official_links":"pre_get_posts|https:\/\/developer.wordpress.org\/reference\/hooks\/pre_get_posts\/\nWP_Query Class|https:\/\/developer.wordpress.org\/reference\/classes\/wp_query\/","wpq_update_history":"","wpq_pr_notice":"","footnotes":""},"wpq_glossary_group":[63],"wpq_glossary_attribute":[47,54,55],"class_list":["post-420","wpq_glossary","type-wpq_glossary","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/wptoolslab.com\/query-lab\/wp-json\/wp\/v2\/wpq_glossary\/420","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wptoolslab.com\/query-lab\/wp-json\/wp\/v2\/wpq_glossary"}],"about":[{"href":"https:\/\/wptoolslab.com\/query-lab\/wp-json\/wp\/v2\/types\/wpq_glossary"}],"author":[{"embeddable":true,"href":"https:\/\/wptoolslab.com\/query-lab\/wp-json\/wp\/v2\/users\/2"}],"version-history":[{"count":2,"href":"https:\/\/wptoolslab.com\/query-lab\/wp-json\/wp\/v2\/wpq_glossary\/420\/revisions"}],"predecessor-version":[{"id":4020,"href":"https:\/\/wptoolslab.com\/query-lab\/wp-json\/wp\/v2\/wpq_glossary\/420\/revisions\/4020"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wptoolslab.com\/query-lab\/wp-json\/wp\/v2\/media\/3720"}],"wp:attachment":[{"href":"https:\/\/wptoolslab.com\/query-lab\/wp-json\/wp\/v2\/media?parent=420"}],"wp:term":[{"taxonomy":"wpq_glossary_group","embeddable":true,"href":"https:\/\/wptoolslab.com\/query-lab\/wp-json\/wp\/v2\/wpq_glossary_group?post=420"},{"taxonomy":"wpq_glossary_attribute","embeddable":true,"href":"https:\/\/wptoolslab.com\/query-lab\/wp-json\/wp\/v2\/wpq_glossary_attribute?post=420"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}