{"id":1023168,"date":"2015-11-09T04:57:48","date_gmt":"2015-11-09T12:57:48","guid":{"rendered":"https:\/\/theeventscalendar.com\/support\/forums\/topic\/add-category-name-as-body_class\/"},"modified":"2015-11-19T17:18:38","modified_gmt":"2015-11-20T01:18:38","slug":"add-category-name-as-body_class","status":"closed","type":"topic","link":"https:\/\/theeventscalendar.com\/support\/forums\/topic\/add-category-name-as-body_class\/","title":{"rendered":"Add Category name as body_class"},"content":{"rendered":"

Hello,<\/p>\n

The category name isn’t added to body classes on the single-event pages.
\nI tried to do it from my function.php
\nfunction category_id_class( $classes ) {
\n\tglobal $post;
\n \/\/testing
\n echo $post->ID;
\n}
\nadd_filter( 'body_class', 'category_id_class' );<\/code><\/p>\n

But $post->ID isn’t set at that time. Although it is on ‘regular’ WP pages.
\nHow should I achieve it ?<\/p>\n

Thanks by advance,
\nThib<\/p>\n","protected":false},"template":"","class_list":["post-1023168","topic","type-topic","status-closed","hentry"],"yoast_head":"\nAdd Category name as body_class -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/theeventscalendar.com\/support\/forums\/topic\/add-category-name-as-body_class\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Add Category name as body_class -\" \/>\n<meta property=\"og:description\" content=\"Hello, The category name isn’t added to body classes on the single-event pages. I tried to do it from my function.php function category_id_class( $classes ) { global $post; \/\/testing echo $post->ID; } add_filter( 'body_class', 'category_id_class' ); But $post->ID isn’t set at that time. Although it is on ‘regular’ WP pages. How should I achieve it […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/theeventscalendar.com\/support\/forums\/topic\/add-category-name-as-body_class\/\" \/>\n<meta property=\"article:modified_time\" content=\"2015-11-20T01:18:38+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/theeventscalendar.com\/support\/forums\/topic\/add-category-name-as-body_class\/\",\"url\":\"https:\/\/theeventscalendar.com\/support\/forums\/topic\/add-category-name-as-body_class\/\",\"name\":\"Add Category name as body_class -\",\"isPartOf\":{\"@id\":\"https:\/\/theeventscalendar.com\/support\/#website\"},\"datePublished\":\"2015-11-09T12:57:48+00:00\",\"dateModified\":\"2015-11-20T01:18:38+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/theeventscalendar.com\/support\/forums\/topic\/add-category-name-as-body_class\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/theeventscalendar.com\/support\/forums\/topic\/add-category-name-as-body_class\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/theeventscalendar.com\/support\/forums\/topic\/add-category-name-as-body_class\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/theeventscalendar.com\/support\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\/\/theeventscalendar.com\/support\/topics\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Welcome!\",\"item\":\"https:\/\/theeventscalendar.com\/support\/forums\/forum\/_welcome\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Pre-Sales Questions\",\"item\":\"https:\/\/theeventscalendar.com\/support\/forums\/forum\/_welcome\/pre-sales-questions\/\"},{\"@type\":\"ListItem\",\"position\":5,\"name\":\"Add Category name as body_class\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/theeventscalendar.com\/support\/#website\",\"url\":\"https:\/\/theeventscalendar.com\/support\/\",\"name\":\"\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/theeventscalendar.com\/support\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Add Category name as body_class -","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/theeventscalendar.com\/support\/forums\/topic\/add-category-name-as-body_class\/","og_locale":"en_US","og_type":"article","og_title":"Add Category name as body_class -","og_description":"Hello, The category name isn’t added to body classes on the single-event pages. I tried to do it from my function.php function category_id_class( $classes ) { global $post; \/\/testing echo $post->ID; } add_filter( 'body_class', 'category_id_class' ); But $post->ID isn’t set at that time. Although it is on ‘regular’ WP pages. 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