Title: Hooks | Page 32 of 49 | Developer.WordPress.org --- # Hooks * hook[is_post_status_viewable](https://developer.wordpress.org/reference/hooks/is_post_status_viewable/) * Filters whether a post status is considered “viewable”. * Used by [1 function](https://developer.wordpress.org/reference/hooks/is_post_status_viewable/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/is_post_status_viewable/#uses) | Source: [wp-includes/post.php:2494](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/post.php#L2494-L2494) * hook[is_post_type_viewable](https://developer.wordpress.org/reference/hooks/is_post_type_viewable/) * Filters whether a post type is considered “viewable”. * Used by [1 function](https://developer.wordpress.org/reference/hooks/is_post_type_viewable/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/is_post_type_viewable/#uses) | Source: [wp-includes/post.php:2442](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/post.php#L2442-L2442) * hook[is_protected_endpoint](https://developer.wordpress.org/reference/hooks/is_protected_endpoint/) * Filters whether the current request is against a protected endpoint. * Used by [1 function](https://developer.wordpress.org/reference/hooks/is_protected_endpoint/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/is_protected_endpoint/#uses) | Source: [wp-includes/load.php:1208](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/load.php#L1208-L1208) * hook[is_protected_meta](https://developer.wordpress.org/reference/hooks/is_protected_meta/) * Filters whether a meta key is considered protected. * Used by [1 function](https://developer.wordpress.org/reference/hooks/is_protected_meta/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/is_protected_meta/#uses) | Source: [wp-includes/meta.php:1330](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/meta.php#L1330-L1330) * hook[is_sticky](https://developer.wordpress.org/reference/hooks/is_sticky/) * Filters whether a post is sticky. * Used by [1 function](https://developer.wordpress.org/reference/hooks/is_sticky/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/is_sticky/#uses) | Source: [wp-includes/post.php:2901](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/post.php#L2901-L2901) * hook[is_wide_widget_in_customizer](https://developer.wordpress.org/reference/hooks/is_wide_widget_in_customizer/) * Filters whether the given widget is considered “wide”. * Used by [1 function](https://developer.wordpress.org/reference/hooks/is_wide_widget_in_customizer/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/is_wide_widget_in_customizer/#uses) | Source: [wp-includes/class-wp-customize-widgets.php:616](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-customize-widgets.php#L616-L616) * hook[is_wp_error_instance](https://developer.wordpress.org/reference/hooks/is_wp_error_instance/) * Fires when `is_wp_error()` is called and its parameter is an instance of `WP_Error`. * Used by [1 function](https://developer.wordpress.org/reference/hooks/is_wp_error_instance/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/is_wp_error_instance/#uses) | Source: [wp-includes/load.php:1813](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/load.php#L1813-L1813) * hook[jpeg_quality](https://developer.wordpress.org/reference/hooks/jpeg_quality/) * Filters the JPEG compression quality for backward-compatibility. * Used by [2 functions](https://developer.wordpress.org/reference/hooks/jpeg_quality/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/jpeg_quality/#uses) | Source: [wp-includes/class-wp-image-editor.php:288](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-image-editor.php#L288-L288) * hook[js_escape](https://developer.wordpress.org/reference/hooks/js_escape/) * Filters a string cleaned and escaped for output in JavaScript. * Used by [1 function](https://developer.wordpress.org/reference/hooks/js_escape/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/js_escape/#uses) | Source: [wp-includes/formatting.php:4678](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/formatting.php#L4678-L4678) * hook[kses_allowed_protocols](https://developer.wordpress.org/reference/hooks/kses_allowed_protocols/) * Filters the list of protocols allowed in HTML attributes. * Used by [1 function](https://developer.wordpress.org/reference/hooks/kses_allowed_protocols/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/kses_allowed_protocols/#uses) | Source: [wp-includes/functions.php:7218](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/functions.php#L7218-L7218) * hook[language_attributes](https://developer.wordpress.org/reference/hooks/language_attributes/) * Filters the language attributes for display in the ‘html’ tag. * Used by [1 function](https://developer.wordpress.org/reference/hooks/language_attributes/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/language_attributes/#uses) | Source: [wp-includes/general-template.php:4545](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/general-template.php#L4545-L4545) * hook[lang_codes](https://developer.wordpress.org/reference/hooks/lang_codes/) * Filters the language codes. * Used by [1 function](https://developer.wordpress.org/reference/hooks/lang_codes/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/lang_codes/#uses) | Source: [wp-admin/includes/ms.php:550](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/ms.php#L550-L550) * hook[lang_dir_for_domain](https://developer.wordpress.org/reference/hooks/lang_dir_for_domain/) * Filters the determined languages directory path for a specific domain and locale. * Used by [1 function](https://developer.wordpress.org/reference/hooks/lang_dir_for_domain/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/lang_dir_for_domain/#uses) | Source: [wp-includes/class-wp-textdomain-registry.php:105](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-textdomain-registry.php#L105-L105) * hook[link_category](https://developer.wordpress.org/reference/hooks/link_category/) * Filters the category name. * Used by [2 functions](https://developer.wordpress.org/reference/hooks/link_category/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/link_category/#uses) | Source: [wp-includes/bookmark-template.php:280](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/bookmark-template.php#L280-L280) * hook[link_title](https://developer.wordpress.org/reference/hooks/link_title/) * Filters the OPML outline link title text. * Used by [0 functions](https://developer.wordpress.org/reference/hooks/link_title/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/link_title/#uses) | Source: [wp-links-opml.php:81](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-links-opml.php#L81-L81) * hook[list_cats](https://developer.wordpress.org/reference/hooks/list_cats/) * Filters a taxonomy drop-down display element. * Used by [3 functions](https://developer.wordpress.org/reference/hooks/list_cats/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/list_cats/#uses) | Source: [wp-includes/category-template.php:437](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/category-template.php#L437-L437) * hook[list_pages](https://developer.wordpress.org/reference/hooks/list_pages/) * Filters the page title when creating an HTML drop-down list of pages. * Used by [1 function](https://developer.wordpress.org/reference/hooks/list_pages/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/list_pages/#uses) | Source: [wp-includes/class-walker-page-dropdown.php:92](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-walker-page-dropdown.php#L92-L92) * hook[list_table_primary_column](https://developer.wordpress.org/reference/hooks/list_table_primary_column/) * Filters the name of the primary column for the current list table. * Used by [1 function](https://developer.wordpress.org/reference/hooks/list_table_primary_column/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/list_table_primary_column/#uses) | Source: [wp-admin/includes/class-wp-list-table.php:1287](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/class-wp-list-table.php#L1287-L1287) * hook[list_terms_exclusions](https://developer.wordpress.org/reference/hooks/list_terms_exclusions/) * Filters the terms to exclude from the terms query. * Used by [1 function](https://developer.wordpress.org/reference/hooks/list_terms_exclusions/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/list_terms_exclusions/#uses) | Source: [wp-includes/class-wp-term-query.php:531](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-term-query.php#L531-L531) * hook[load-categories.php](https://developer.wordpress.org/reference/hooks/load-categories-php/) * Used by [0 functions](https://developer.wordpress.org/reference/hooks/load-categories-php/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/load-categories-php/#uses) | Source: [wp-admin/admin.php:331](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/admin.php#L331-L331) * hook[load-edit-link-categories.php](https://developer.wordpress.org/reference/hooks/load-edit-link-categories-php/) * Used by [0 functions](https://developer.wordpress.org/reference/hooks/load-edit-link-categories-php/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/load-edit-link-categories-php/#uses) | Source: [wp-admin/admin.php:333](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/admin.php#L333-L333) * hook[load-importer-{$importer}](https://developer.wordpress.org/reference/hooks/load-importer-importer/) * Fires before an importer screen is loaded. * Used by [0 functions](https://developer.wordpress.org/reference/hooks/load-importer-importer/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/load-importer-importer/#uses) | Source: [wp-admin/admin.php:340](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/admin.php#L340-L340) * hook[load-page-new.php](https://developer.wordpress.org/reference/hooks/load-page-new-php/) * Used by [0 functions](https://developer.wordpress.org/reference/hooks/load-page-new-php/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/load-page-new-php/#uses) | Source: [wp-admin/admin.php:326](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/admin.php#L326-L326) * hook[load-page.php](https://developer.wordpress.org/reference/hooks/load-page-php/) * Used by [0 functions](https://developer.wordpress.org/reference/hooks/load-page-php/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/load-page-php/#uses) | Source: [wp-admin/admin.php:328](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/admin.php#L328-L328) * hook[load-widgets.php](https://developer.wordpress.org/reference/hooks/load-widgets-php/) * Fires early when editing the widgets displayed in sidebars. * Used by [4 functions](https://developer.wordpress.org/reference/hooks/load-widgets-php/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/load-widgets-php/#uses) | Source: [wp-admin/includes/ajax-actions.php:2369](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/ajax-actions.php#L2369-L2369) * hook[load-{$pagenow}](https://developer.wordpress.org/reference/hooks/load-pagenow/) * Fires before a particular screen is loaded. * Used by [0 functions](https://developer.wordpress.org/reference/hooks/load-pagenow/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/load-pagenow/#uses) | Source: [wp-admin/admin.php:390](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/admin.php#L390-L390) * hook[load-{$page_hook}](https://developer.wordpress.org/reference/hooks/load-page_hook/) * Fires before a particular screen is loaded. * Used by [0 functions](https://developer.wordpress.org/reference/hooks/load-page_hook/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/load-page_hook/#uses) | Source: [wp-admin/admin.php:242](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/admin.php#L242-L242) * hook[load-{$plugin_page}](https://developer.wordpress.org/reference/hooks/load-plugin_page/) * Fires before a particular screen is loaded. * Used by [0 functions](https://developer.wordpress.org/reference/hooks/load-plugin_page/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/load-plugin_page/#uses) | Source: [wp-admin/admin.php:289](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/admin.php#L289-L289) * hook[load_default_embeds](https://developer.wordpress.org/reference/hooks/load_default_embeds/) * Filters whether to load the default embed handlers. * Used by [1 function](https://developer.wordpress.org/reference/hooks/load_default_embeds/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/load_default_embeds/#uses) | Source: [wp-includes/embed.php:201](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/embed.php#L201-L201) * hook[load_default_widgets](https://developer.wordpress.org/reference/hooks/load_default_widgets/) * Filters whether to load the Widgets library. * Used by [1 function](https://developer.wordpress.org/reference/hooks/load_default_widgets/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/load_default_widgets/#uses) | Source: 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