Title: 2.6.0 | Developer.WordPress.org --- # New and updated in 2.6.0 Functions Hooks Classes Methods * hook[admin_action_{$action}](https://developer.wordpress.org/reference/hooks/admin_action_action/) * Fires when an ‘action’ request variable is sent. * Used by [0 functions](https://developer.wordpress.org/reference/hooks/admin_action_action/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/admin_action_action/#uses) | Source: [wp-admin/admin.php:429](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/admin.php#L429-L429) * hook[plugin_action_links](https://developer.wordpress.org/reference/hooks/plugin_action_links/) * Filters the action links displayed for each plugin in the Plugins list table. * Used by [1 function](https://developer.wordpress.org/reference/hooks/plugin_action_links/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/plugin_action_links/#uses) | Source: [wp-admin/includes/class-wp-plugins-list-table.php:1075](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/class-wp-plugins-list-table.php#L1075-L1075) * hook[admin_post_nopriv](https://developer.wordpress.org/reference/hooks/admin_post_nopriv/) * Fires on a non-authenticated admin post request where no action is supplied. * Used by [0 functions](https://developer.wordpress.org/reference/hooks/admin_post_nopriv/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/admin_post_nopriv/#uses) | Source: [wp-admin/admin-post.php:43](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/admin-post.php#L43-L43) * hook[admin_post_nopriv_{$action}](https://developer.wordpress.org/reference/hooks/admin_post_nopriv_action/) * Fires on a non-authenticated admin post request for the given action. * Used by [0 functions](https://developer.wordpress.org/reference/hooks/admin_post_nopriv_action/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/admin_post_nopriv_action/#uses) | Source: [wp-admin/admin-post.php:58](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/admin-post.php#L58-L58) * hook[admin_post](https://developer.wordpress.org/reference/hooks/admin_post/) * Fires on an authenticated admin post request where no action is supplied. * Used by [0 functions](https://developer.wordpress.org/reference/hooks/admin_post/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/admin_post/#uses) | Source: [wp-admin/admin-post.php:67](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/admin-post.php#L67-L67) * hook[admin_post_{$action}](https://developer.wordpress.org/reference/hooks/admin_post_action/) * Fires on an authenticated admin post request for the given action. * Used by [0 functions](https://developer.wordpress.org/reference/hooks/admin_post_action/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/admin_post_action/#uses) | Source: [wp-admin/admin-post.php:82](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/admin-post.php#L82-L82) * hook[setup_theme](https://developer.wordpress.org/reference/hooks/setup_theme/) * Fires before the theme is loaded. * Used by [0 functions](https://developer.wordpress.org/reference/hooks/setup_theme/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/setup_theme/#uses) | Source: [wp-settings.php:697](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-settings.php#L697-L697) * hook[{$action}](https://developer.wordpress.org/reference/hooks/action/) * If the ‘postcustom’ meta box is enabled, then we need to perform some extra initialization on it. * Used by [0 functions](https://developer.wordpress.org/reference/hooks/action/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/action/#uses) | Source: [wp-admin/includes/post.php:2200](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/post.php#L2200-L2206) * hook[the_excerpt_export](https://developer.wordpress.org/reference/hooks/the_excerpt_export/) * Filters the post excerpt used for WXR exports. * Used by [1 function](https://developer.wordpress.org/reference/hooks/the_excerpt_export/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/the_excerpt_export/#uses) | Source: [wp-admin/includes/export.php:632](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/export.php#L632-L632) * function[populate_roles_260()](https://developer.wordpress.org/reference/functions/populate_roles_260/) * Create and modify WordPress roles for WordPress 2.6. * Used by [1 function](https://developer.wordpress.org/reference/functions/populate_roles_260/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/populate_roles_260/#uses) | Source: [wp-admin/includes/schema.php:916](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/schema.php#L916-L923) * hook[populate_options](https://developer.wordpress.org/reference/hooks/populate_options/) * Fires before creating WordPress options and populating their default values. * Used by [1 function](https://developer.wordpress.org/reference/hooks/populate_options/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/populate_options/#uses) | Source: [wp-admin/includes/schema.php:371](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/schema.php#L371-L371) * hook[comment_row_actions](https://developer.wordpress.org/reference/hooks/comment_row_actions/) * Filters the action links displayed for each comment in the Comments list table. * Used by [2 functions](https://developer.wordpress.org/reference/hooks/comment_row_actions/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/comment_row_actions/#uses) | Source: [wp-admin/includes/class-wp-comments-list-table.php:893](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/class-wp-comments-list-table.php#L893-L893) * function[activate_plugins()](https://developer.wordpress.org/reference/functions/activate_plugins/) * Activates multiple plugins. * Used by [0 functions](https://developer.wordpress.org/reference/functions/activate_plugins/#used-by) | Uses [5 functions](https://developer.wordpress.org/reference/functions/activate_plugins/#uses) | Source: [wp-admin/includes/plugin.php:869](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/plugin.php#L869-L890) * function[delete_plugins()](https://developer.wordpress.org/reference/functions/delete_plugins/) * Removes directory and files of a plugin for a list of plugins. * Used by [2 functions](https://developer.wordpress.org/reference/functions/delete_plugins/#used-by) | Uses [13 functions](https://developer.wordpress.org/reference/functions/delete_plugins/#uses) | Source: [wp-admin/includes/plugin.php:904](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/plugin.php#L904-L1058) * function[remove_meta_box()](https://developer.wordpress.org/reference/functions/remove_meta_box/) * Removes a meta box from one or more screens. * Used by [1 function](https://developer.wordpress.org/reference/functions/remove_meta_box/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/remove_meta_box/#uses) | Source: [wp-admin/includes/template.php:1489](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/template.php#L1489-L1521) * hook[post-upload-ui](https://developer.wordpress.org/reference/hooks/post-upload-ui/) * Fires on the post upload UI screen. * Used by [2 functions](https://developer.wordpress.org/reference/hooks/post-upload-ui/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/post-upload-ui/#uses) | Source: [wp-admin/includes/media.php:2338](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/media.php#L2338-L2338) * hook[media_upload_form_url](https://developer.wordpress.org/reference/hooks/media_upload_form_url/) * Filters the media upload form action URL. * Used by [4 functions](https://developer.wordpress.org/reference/hooks/media_upload_form_url/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/media_upload_form_url/#uses) | Source: [wp-admin/includes/media.php:2366](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/media.php#L2366-L2366) * function[media_upload_flash_bypass()](https://developer.wordpress.org/reference/functions/media_upload_flash_bypass/) * Displays the multi-file uploader message. * Used by [0 functions](https://developer.wordpress.org/reference/functions/media_upload_flash_bypass/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/media_upload_flash_bypass/#uses) | Source: [wp-admin/includes/media.php:3051](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/media.php#L3051-L3063) * function[media_upload_html_bypass()](https://developer.wordpress.org/reference/functions/media_upload_html_bypass/) * Displays the browser’s built-in uploader message. * Used by [0 functions](https://developer.wordpress.org/reference/functions/media_upload_html_bypass/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/media_upload_html_bypass/#uses) | Source: [wp-admin/includes/media.php:3070](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/media.php#L3070-L3082) * hook[pre-upload-ui](https://developer.wordpress.org/reference/hooks/pre-upload-ui/) * Fires just before the legacy (pre-3.5.0) upload interface is loaded. * Used by [2 functions](https://developer.wordpress.org/reference/hooks/pre-upload-ui/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/pre-upload-ui/#uses) | Source: [wp-admin/includes/media.php:2169](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/media.php#L2169-L2169) * hook[pre-plupload-upload-ui](https://developer.wordpress.org/reference/hooks/pre-plupload-upload-ui/) * Fires before the upload interface loads. * Used by [2 functions](https://developer.wordpress.org/reference/hooks/pre-plupload-upload-ui/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/pre-plupload-upload-ui/#uses) | Source: [wp-admin/includes/media.php:2269](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/media.php#L2269-L2269) * hook[post-plupload-upload-ui](https://developer.wordpress.org/reference/hooks/post-plupload-upload-ui/) * Fires after the upload interface loads. * Used by [2 functions](https://developer.wordpress.org/reference/hooks/post-plupload-upload-ui/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/post-plupload-upload-ui/#uses) | Source: [wp-admin/includes/media.php:2286](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/media.php#L2286-L2286) * hook[pre-html-upload-ui](https://developer.wordpress.org/reference/hooks/pre-html-upload-ui/) * Fires before the upload button in the media upload interface. * Used by [1 function](https://developer.wordpress.org/reference/hooks/pre-html-upload-ui/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/pre-html-upload-ui/#uses) | Source: [wp-admin/includes/media.php:2297](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/media.php#L2297-L2297) * hook[post-html-upload-ui](https://developer.wordpress.org/reference/hooks/post-html-upload-ui/) * Fires after the upload button in the media upload interface. * Used by [1 function](https://developer.wordpress.org/reference/hooks/post-html-upload-ui/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/post-html-upload-ui/#uses) | Source: [wp-admin/includes/media.php:2318](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/media.php#L2318-L2318) * function[media_sideload_image()](https://developer.wordpress.org/reference/functions/media_sideload_image/) * Downloads an image from the specified URL, saves it as an attachment, and optionally attaches it to a post. * Used by [0 functions](https://developer.wordpress.org/reference/functions/media_sideload_image/#used-by) | Uses [10 functions](https://developer.wordpress.org/reference/functions/media_sideload_image/#uses) | Source: [wp-admin/includes/media.php:1032](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/media.php#L1032-L1109) * function[image_add_caption()](https://developer.wordpress.org/reference/functions/image_add_caption/) * Adds image shortcode with caption to editor. * Used by [0 functions](https://developer.wordpress.org/reference/functions/image_add_caption/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/image_add_caption/#uses) | Source: [wp-admin/includes/media.php:188](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/media.php#L188-L250) * hook[disable_captions](https://developer.wordpress.org/reference/hooks/disable_captions/) * Filters whether to disable captions. * Used by [7 functions](https://developer.wordpress.org/reference/hooks/disable_captions/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/disable_captions/#uses) | Source: [wp-admin/includes/media.php:216](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/media.php#L216-L216) * hook[image_add_caption_shortcode](https://developer.wordpress.org/reference/hooks/image_add_caption_shortcode/) * Filters the image HTML markup including the caption shortcode. * Used by [1 function](https://developer.wordpress.org/reference/hooks/image_add_caption_shortcode/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/image_add_caption_shortcode/#uses) | Source: [wp-admin/includes/media.php:249](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/media.php#L249-L249) * function[media_handle_sideload()](https://developer.wordpress.org/reference/functions/media_handle_sideload/) * Handles a side-loaded file in the same way as an uploaded file is handled by media_handle_upload(). * Used by [2 functions](https://developer.wordpress.org/reference/functions/media_handle_sideload/#used-by) | Uses [13 functions](https://developer.wordpress.org/reference/functions/media_handle_sideload/#uses) | Source: [wp-admin/includes/media.php:464](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/media.php#L464-L538) * function[wp_create_post_autosave()](https://developer.wordpress.org/reference/functions/wp_create_post_autosave/) * Creates autosave data for the specified post from `$_POST` data. * Used by [3 functions](https://developer.wordpress.org/reference/functions/wp_create_post_autosave/#used-by) | Uses [14 functions](https://developer.wordpress.org/reference/functions/wp_create_post_autosave/#uses) | Source: [wp-admin/includes/post.php:1957](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/post.php#L1957-L2022) 1 [2](https://developer.wordpress.org/reference/since/2.6.0/page/2/?output_format=md) [3](https://developer.wordpress.org/reference/since/2.6.0/page/3/?output_format=md)… [6](https://developer.wordpress.org/reference/since/2.6.0/page/6/?output_format=md) [Next Page](https://developer.wordpress.org/reference/since/2.6.0/page/2/?output_format=md)