{"id":218,"date":"2026-05-31T01:27:10","date_gmt":"2026-05-31T01:27:10","guid":{"rendered":"https:\/\/wptoolslab.com\/query-lab\/glossary\/post-in\/"},"modified":"2026-08-29T22:53:37","modified_gmt":"2026-08-29T13:53:37","slug":"post-in","status":"publish","type":"wpq_glossary","link":"https:\/\/wptoolslab.com\/query-lab\/glossary\/post-in\/","title":{"rendered":"post__in"},"content":{"rendered":"<section class=\"conclusion wpq-conclusion\"><h2 class=\"wpq-conclusion__title\">\u307e\u305a\u7d50\u8ad6<\/h2><p>`post__in` \u306f\u3001\u6307\u5b9a\u3057\u305f\u6295\u7a3fID\u3060\u3051\u3092\u53d6\u5f97\u5bfe\u8c61\u306b\u3059\u308b WP_Query \u5f15\u6570\u3067\u3059\u3002ID\u306e\u914d\u5217\u3092\u6e21\u3057\u307e\u3059\u3002<\/p>\n<p>\u914d\u5217\u306b\u66f8\u3044\u305f\u9806\u3067\u8868\u793a\u3057\u305f\u3044\u5834\u5408\u306f\u3001`orderby => \u2018post__in\u2019` \u3082\u5fc5\u8981\u3067\u3059\u3002\u5bfe\u8c61\u3092\u9078\u3076\u3053\u3068\u3068\u9806\u756a\u3092\u4fdd\u3064\u3053\u3068\u306f\u5225\u3067\u3059\u3002<\/p>\n<\/section>\n<h2 id=\"usage\" 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\">\u3069\u3046\u3044\u3046\u6642\u306b\u4f7f\u3046\u304b<\/span><\/h2>\n<p>\u7de8\u96c6\u753b\u9762\u3067\u9078\u3093\u3060\u304a\u3059\u3059\u3081\u8a18\u4e8b\u3001\u5916\u90e8\u51e6\u7406\u304c\u8fd4\u3057\u305f\u6295\u7a3fID\u3001\u624b\u52d5\u3067\u78ba\u5b9a\u3057\u305f\u63b2\u8f09\u5019\u88dc\u306a\u3069\u3092\u307e\u3068\u3081\u3066\u53d6\u5f97\u3059\u308b\u6642\u306b\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<p>\u7a7a\u914d\u5217\u3092\u6e21\u3057\u305f\u6642\u306e\u6319\u52d5\u3092\u300e0\u4ef6\u306b\u306a\u308b\u300f\u3068\u6c7a\u3081\u3064\u3051\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u547c\u3073\u51fa\u3057\u524d\u306b\u7a7a\u304b\u3092\u5224\u5b9a\u3057\u3001\u30af\u30a8\u30ea\u81ea\u4f53\u3092\u5b9f\u884c\u3057\u306a\u3044\u65b9\u304c\u78ba\u5b9f\u3067\u3059\u3002<\/p>\n<p>ID\u306f\u6574\u6570\u3078\u6574\u5f62\u3057\u3001\u95b2\u89a7\u6a29\u9650\u3084 `post_status` \u306e\u6761\u4ef6\u3082\u5225\u306b\u78ba\u8a8d\u3057\u307e\u3059\u3002ID\u304c\u3042\u308b\u3060\u3051\u3067\u516c\u958b\u53ef\u80fd\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2 id=\"difference\" 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\">\u8fd1\u3044\u5f15\u6570\u3068\u306e\u9055\u3044<\/span><\/h2>\n<p>`post__in` \u306f\u542b\u3081\u308bID\u3001`post__not_in` \u306f\u9664\u5916\u3059\u308bID\u3067\u3059\u3002WP_Query \u3067\u306f\u4e21\u65b9\u3092\u540c\u3058\u30af\u30a8\u30ea\u3078\u4f75\u7528\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>`orderby =&gt; &#8216;post__in&#8217;` \u306f\u3001\u6307\u5b9a\u3057\u305fID\u914d\u5217\u306e\u9806\u5e8f\u3092\u4e26\u3073\u9806\u3068\u3057\u3066\u4f7f\u3046\u6307\u5b9a\u3067\u3059\u3002`post__in` \u5358\u72ec\u3067\u306f\u305d\u306e\u9806\u5e8f\u306f\u4fdd\u8a3c\u3055\u308c\u307e\u305b\u3093\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\u306fID\u3092\u8907\u6570\u5165\u529b\u3067\u304d\u307e\u3059\u3002\u7a7a\u6b04\u30840\u3001\u91cd\u8907ID\u3092\u6574\u7406\u3057\u3066\u304b\u3089\u914d\u5217\u3078\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n<p>\u624b\u52d5\u9806\u3092\u4f7f\u3046\u9078\u629e\u80a2\u3092\u51fa\u3059\u5834\u5408\u306f\u3001`orderby=post__in` \u3082\u30bb\u30c3\u30c8\u3067\u751f\u6210\u3055\u308c\u308b\u3053\u3068\u3092\u753b\u9762\u306b\u793a\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>\u9078\u629e\u3057\u305f\u6295\u7a3fID\u3060\u3051\u3092\u5bfe\u8c61\u306b\u3059\u308b\u3001\u624b\u52d5\u63a8\u85a6\u3084\u56fa\u5b9a\u30ea\u30b9\u30c8\u306e\u3088\u3046\u306a\u8981\u4ef6\u306b\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<p>\u9664\u5916\u7528\u306e `post__not_in` \u3068\u540c\u3058ID\u3092\u540c\u6642\u6307\u5b9a\u3057\u305f\u308a\u3001\u30b9\u30e9\u30c3\u30b0\u914d\u5217\u3092\u6e21\u3057\u305f\u308a\u3057\u307e\u305b\u3093\u3002<\/p>\n<p>\u914d\u5217\u304c\u7a7a\u306b\u306a\u308b\u30b1\u30fc\u30b9\u3067\u306f\u610f\u56f3\u305b\u305a\u5168\u4ef6\u3078\u5e83\u304c\u308b\u53ef\u80fd\u6027\u3092\u8003\u3048\u3001\u5b9f\u884c\u524d\u306b\u7a7a\u5165\u529b\u3092\u51e6\u7406\u3057\u307e\u3059\u3002<\/p>\n<p>\u624b\u52d5\u3067\u9078\u3093\u3060\u9806\u756a\u3082\u5b88\u308a\u305f\u3044\u5834\u5408\u306f\u3001ID\u3092\u7d5e\u308b\u3060\u3051\u3067\u306a\u304f `orderby =&gt; &#8216;post__in&#8217;` \u307e\u3067\u304c\u4e00\u7d44\u3067\u3059\u3002<\/p>\n<p>\u5b58\u5728\u3059\u308bID\u3001\u5b58\u5728\u3057\u306a\u3044ID\u3001\u7a7a\u914d\u5217\u3001\u8907\u6570ID\u3092\u8a66\u3057\u3001\u53d6\u5f97\u3067\u304d\u305f\u6295\u7a3fID\u3068\u9806\u5e8f\u3092\u30b1\u30fc\u30b9\u3054\u3068\u306b\u8a18\u9332\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\/wp-query-no-posts-checklist\/\"><span class=\"article-thumb wpq-related-link__thumb\"><img decoding=\"async\" alt=\"WP_Query\u3067\u6295\u7a3f\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u539f\u56e0\u3068\u78ba\u8a8d\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8 \u306e\u30b5\u30e0\u30cd\u30a4\u30eb\" src=\"https:\/\/wptoolslab.com\/query-lab\/wp-content\/uploads\/2026\/08\/wp-query-no-posts-checklist-card-2.png\" loading=\"lazy\" \/><\/span><div class=\"deep-link-copy wpq-related-link__copy\"><small>\u5b9f\u8df5\u8a18\u4e8b\u3067\u78ba\u8a8d<\/small><b>WP_Query\u3067\u6295\u7a3f\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u6642\u306b\u898b\u308b\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/b><p>ID\u6761\u4ef6\u3092\u8ffd\u52a0\u3057\u30660\u4ef6\u307e\u305f\u306f\u60f3\u5b9a\u5916\u306e\u5168\u4ef6\u306b\u306a\u3063\u305f\u6642\u306e\u5207\u308a\u5206\u3051\u9806\u3092\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\u306e Post &amp; Page Parameters \u3067\u3001\u914d\u5217\u6307\u5b9a\u3068 `post__not_in` \u3068\u306e\u4f75\u7528\u4e0d\u53ef\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<p>Order &amp; Orderby Parameters \u3067\u306f\u3001\u5165\u529b\u9806\u3092\u4fdd\u3064 `post__in` \u306e\u4e26\u3073\u6307\u5b9a\u3092\u78ba\u8a8d\u3067\u304d\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\/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><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>\u6700\u5f8c\u306f\u3001\u5024\u3092\u5909\u3048\u308b\u76ee\u7684\u3068\u3001\u5909\u3048\u305f\u6642\u306b\u5931\u3046\u60c5\u5831\u3092\u4e00\u7dd2\u306b\u78ba\u8a8d\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>\u6700\u5f8c\u306b\u78ba\u8a8d\u3057\u305f\u3044\u3053\u3068<\/h2><\/div><ul class=\"wpq-checklist\"><li>\u6295\u7a3fID\u3092\u6574\u6570\u914d\u5217\u3067\u6e21\u3057\u305f<\/li><li>\u7a7a\u914d\u5217\u306a\u3089\u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3057\u306a\u3044<\/li><li>post__not_in\u3068\u4f75\u7528\u3057\u3066\u3044\u306a\u3044<\/li><li>\u624b\u52d5\u9806\u304c\u5fc5\u8981\u306a\u3089orderby=post__in\u3092\u6307\u5b9a\u3057\u305f<\/li><\/ul><\/section>\n","protected":false},"excerpt":{"rendered":"<p>\u6307\u5b9a\u3057\u305f\u6295\u7a3f ID \u3060\u3051\u3092\u5bfe\u8c61\u306b\u3059\u308b WP_Query \u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3067\u3059\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"template":"","meta":{"wpq_kicker":"\u7528\u8a9e\u96c6","wpq_lead":"`post__in` \u306f\u3001\u6307\u5b9a\u3057\u305f\u6295\u7a3f ID \u306e\u307f\u3092\u53d6\u5f97\u5bfe\u8c61\u306b\u7d5e\u308a\u8fbc\u3080\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3067\u3059\u3002","wpq_hero_title_line1":"WP_Query \u30d1\u30e9\u30e1\u30fc\u30bf\u30fc","wpq_hero_title_line2":"post__in","wpq_hero_title_accent":"post__in","wpq_hero_thumbnail_alt":"post__in \u306e\u6982\u8981\u30a4\u30e1\u30fc\u30b8","wpq_hero_summary_mode":"","wpq_hero_summary_label":"","wpq_hero_summary_items":"","wpq_reading_time":"3\u5206\u3067\u8aad\u3081\u307e\u3059","wpq_updated_label":"2026\u5e748\u670815\u65e5\u306bWordPress\u516c\u5f0f\u8cc7\u6599\u3068\u672c\u6587\u3092\u518d\u78ba\u8a8d","wpq_official_links":"WP_Query Class|https:\/\/developer.wordpress.org\/reference\/classes\/wp_query\/","wpq_update_history":"2026\u5e745\u670826\u65e5|glossary \u7528\u306e\u521d\u56de\u30c9\u30e9\u30d5\u30c8\u3092\u4f5c\u6210\n2026\u5e748\u670815\u65e5|\u516c\u5f0f\u8cc7\u6599\u3092\u518d\u78ba\u8a8d\u3057\u3001\u7528\u8a9e\u96c6\u3068\u3057\u3066\u672c\u6587\u3068\u5224\u65ad\u6750\u6599\u3092\u518d\u69cb\u6210","wpq_pr_notice":"","footnotes":""},"wpq_glossary_group":[53],"wpq_glossary_attribute":[38,39],"class_list":["post-218","wpq_glossary","type-wpq_glossary","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/wptoolslab.com\/query-lab\/wp-json\/wp\/v2\/wpq_glossary\/218","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\/218\/revisions"}],"predecessor-version":[{"id":4016,"href":"https:\/\/wptoolslab.com\/query-lab\/wp-json\/wp\/v2\/wpq_glossary\/218\/revisions\/4016"}],"wp:attachment":[{"href":"https:\/\/wptoolslab.com\/query-lab\/wp-json\/wp\/v2\/media?parent=218"}],"wp:term":[{"taxonomy":"wpq_glossary_group","embeddable":true,"href":"https:\/\/wptoolslab.com\/query-lab\/wp-json\/wp\/v2\/wpq_glossary_group?post=218"},{"taxonomy":"wpq_glossary_attribute","embeddable":true,"href":"https:\/\/wptoolslab.com\/query-lab\/wp-json\/wp\/v2\/wpq_glossary_attribute?post=218"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}